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[rpd] Reserved Space/Available Space and potential hijacking

Andrew Alston aa at alstonnetworks.net
Wed Oct 15 11:40:57 UTC 2025


Hi Guys,

So - Firstly a few notes on using the code I'm going to paste below.

I created the BGP dump file on a juniper router by running a "show route
protocol bgp | save bgp.dump.txt" and then copying that dump file to my
local system from the Juniper router.  Note - this produces a roughly
400meg file on a full table router and it takes quite a while to run the
command.
Then - I used the delegated-afrinic-extended-latest file downloaded from
the stats ftp server.

In the code below - if you wish to run similar - change the char
BGP_DUMP[256] and char AFRINIC_EXT[256] global variables to match the
pathing to the relevant files.

Note that there is some weirdness in this code to deal with endianness -
and I will openly admit its not the cleanest (or probably most efficient)
code - but it does work and I've verified the results.

I've pasted the code below the results section.

So - first the results:

Found 824064 total available addresses and 4482304 total reserved addresses
41.57.124.0/22 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 1024 addresses to potential hijack]
41.57.124.0/23 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 512 addresses to potential hijack]
41.57.124.0/24 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 256 addresses to potential hijack]
41.57.125.0/24 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 256 addresses to potential hijack]
41.57.126.0/24 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 256 addresses to potential hijack]
41.57.127.0/24 fell between reserved range 41.57.124.0 -> 41.57.127.255
[Adding 256 addresses to potential hijack]
41.77.64.0/21 fell between reserved range 41.77.64.0 -> 41.77.71.255
[Adding 2048 addresses to potential hijack]
41.138.192.0/24 fell between reserved range 41.138.192.0 -> 41.138.223.255
[Adding 256 addresses to potential hijack]
41.204.224.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.225.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.226.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.227.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.228.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.229.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.230.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.231.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.232.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.233.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.234.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.235.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.236.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.237.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.238.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.239.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.240.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.241.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.242.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.243.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.244.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.245.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.246.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.247.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.248.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.249.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.250.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.251.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.254.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.204.255.0/24 fell between reserved range 41.204.224.0 -> 41.204.255.255
[Adding 256 addresses to potential hijack]
41.205.224.0/19 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 8192 addresses to potential hijack]
41.205.225.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.232.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.234.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.235.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.237.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.238.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.205.239.0/24 fell between reserved range 41.205.224.0 -> 41.205.255.255
[Adding 256 addresses to potential hijack]
41.220.48.0/20 fell between reserved range 41.220.48.0 -> 41.220.63.255
[Adding 4096 addresses to potential hijack]
80.88.6.0/24 fell between reserved range 80.88.6.0 -> 80.88.6.255 [Adding
256 addresses to potential hijack]
102.128.74.0/24 fell between reserved range 102.128.72.0 -> 102.128.75.255
[Adding 256 addresses to potential hijack]
102.135.164.0/24 fell between reserved range 102.135.164.0 ->
102.135.167.255 [Adding 256 addresses to potential hijack]
102.135.165.0/24 fell between reserved range 102.135.164.0 ->
102.135.167.255 [Adding 256 addresses to potential hijack]
102.135.166.0/24 fell between reserved range 102.135.164.0 ->
102.135.167.255 [Adding 256 addresses to potential hijack]
102.219.128.0/24 fell between reserved range 102.219.128.0 ->
102.219.131.255 [Adding 256 addresses to potential hijack]
102.219.129.0/24 fell between reserved range 102.219.128.0 ->
102.219.131.255 [Adding 256 addresses to potential hijack]
102.219.130.0/24 fell between reserved range 102.219.128.0 ->
102.219.131.255 [Adding 256 addresses to potential hijack]
102.221.148.0/22 fell between reserved range 102.221.144.0 ->
102.221.151.255 [Adding 1024 addresses to potential hijack]
156.0.254.0/24 fell between reserved range 156.0.254.0 -> 156.0.254.255
[Adding 256 addresses to potential hijack]
160.119.208.0/24 fell between reserved range 160.119.208.0 ->
160.119.211.255 [Adding 256 addresses to potential hijack]
160.119.209.0/24 fell between reserved range 160.119.208.0 ->
160.119.211.255 [Adding 256 addresses to potential hijack]
164.160.192.0/21 fell between reserved range 164.160.192.0 ->
164.160.223.255 [Adding 2048 addresses to potential hijack]
169.255.164.0/22 fell between reserved range 169.255.164.0 ->
169.255.167.255 [Adding 1024 addresses to potential hijack]
193.188.7.0/24 fell between reserved range 193.188.7.0 -> 193.188.7.255
[Adding 256 addresses to potential hijack]
196.13.203.0/24 fell between reserved range 196.13.203.0 -> 196.13.203.255
[Adding 256 addresses to potential hijack]
196.20.60.0/24 fell between reserved range 196.20.32.0 -> 196.20.63.255
[Adding 256 addresses to potential hijack]
196.20.61.0/24 fell between reserved range 196.20.32.0 -> 196.20.63.255
[Adding 256 addresses to potential hijack]
196.20.62.0/24 fell between reserved range 196.20.32.0 -> 196.20.63.255
[Adding 256 addresses to potential hijack]
196.41.74.0/24 fell between reserved range 196.41.74.0 -> 196.41.74.255
[Adding 256 addresses to potential hijack]
196.43.252.0/24 fell between reserved range 196.43.252.0 -> 196.43.252.255
[Adding 256 addresses to potential hijack]
196.46.18.0/24 fell between reserved range 196.46.18.0 -> 196.46.19.255
[Adding 256 addresses to potential hijack]
196.46.19.0/24 fell between reserved range 196.46.18.0 -> 196.46.19.255
[Adding 256 addresses to potential hijack]
196.46.152.0/24 fell between reserved range 196.46.152.0 -> 196.46.159.255
[Adding 256 addresses to potential hijack]
196.46.153.0/24 fell between reserved range 196.46.152.0 -> 196.46.159.255
[Adding 256 addresses to potential hijack]
196.46.154.0/23 fell between reserved range 196.46.152.0 -> 196.46.159.255
[Adding 512 addresses to potential hijack]
196.50.21.0/24 fell between reserved range 196.50.21.0 -> 196.50.21.255
[Adding 256 addresses to potential hijack]
196.53.113.0/24 fell between reserved range 196.52.0.0 -> 196.55.255.255
[Adding 256 addresses to potential hijack]
196.54.72.0/23 fell between reserved range 196.52.0.0 -> 196.55.255.255
[Adding 512 addresses to potential hijack]
196.55.102.0/23 fell between reserved range 196.52.0.0 -> 196.55.255.255
[Adding 512 addresses to potential hijack]
196.63.243.0/24 fell between reserved range 196.62.0.0 -> 196.63.255.255
[Adding 256 addresses to potential hijack]
196.195.4.0/24 fell between reserved range 196.194.0.0 -> 196.195.255.255
[Adding 256 addresses to potential hijack]
196.195.15.0/24 fell between reserved range 196.194.0.0 -> 196.195.255.255
[Adding 256 addresses to potential hijack]
196.195.253.0/24 fell between reserved range 196.194.0.0 -> 196.195.255.255
[Adding 256 addresses to potential hijack]
197.157.200.0/22 fell between reserved range 197.157.200.0 ->
197.157.203.255 [Adding 1024 addresses to potential hijack]
197.231.248.0/22 fell between reserved range 197.231.248.0 ->
197.231.251.255 [Adding 1024 addresses to potential hijack]
197.231.248.0/24 fell between reserved range 197.231.248.0 ->
197.231.251.255 [Adding 256 addresses to potential hijack]
197.231.249.0/24 fell between reserved range 197.231.248.0 ->
197.231.251.255 [Adding 256 addresses to potential hijack]
197.231.250.0/24 fell between reserved range 197.231.248.0 ->
197.231.251.255 [Adding 256 addresses to potential hijack]
197.231.251.0/24 fell between reserved range 197.231.248.0 ->
197.231.251.255 [Adding 256 addresses to potential hijack]
197.234.208.0/24 fell between reserved range 197.234.208.0 ->
197.234.215.255 [Adding 256 addresses to potential hijack]
212.12.224.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.225.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.226.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.227.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.229.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.231.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.232.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.233.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.234.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.235.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.236.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.237.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.238.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.239.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.240.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.241.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.242.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.243.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.244.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.245.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.246.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.247.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.248.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.249.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.250.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.251.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.252.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.254.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
212.12.255.0/24 fell between reserved range 212.12.224.0 -> 212.12.255.255
[Adding 256 addresses to potential hijack]
Found 50176 potentially hijacked addresses

--- Below here is the code (I didn't know if I could send attachments to
the RPD list so I just pasted the code straight) ---

//
//  main.c
//  AfrinicAudit
//
//  Created by Andrew Alston on 15/10/2025.
//  Code is considered open use with no restrictions.
//

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <arpa/inet.h>

char BGP_DUMP[256] = "/Users/aalston/audit/bgp.dump.txt";
char AFRINIC_EXT[256] =
"/Users/aalston/audit/delegated-afrinic-extended-latest";

struct routes {
    unsigned int network;
    unsigned int broadcast;
    unsigned int mask;
    unsigned short cidr;
};

struct audit {
    struct routes *dfz;
    int dfz_count;
    struct routes *reserved;
    int total_resv;
    int rc;
    struct routes *available;
    int total_avail;
    int ac;
};

int parse_afrinic_extended(char *afext, struct audit *output) {
    FILE *dump = fopen(afext, "r");
    if(!dump)
        return -1;
    char buffer[1024] = {0};
    char *delim;
    output->rc = 0;
    while(fgets(buffer, 1024, dump)) {
        if(strstr(buffer, "ZZ") && strstr(buffer, "reserved") &&
strstr(buffer, "ipv4")) {
            output->rc++;
        }
    }
    output->reserved = calloc(output->rc, sizeof(struct routes));
    if(!output->reserved)
        return -1;
    output->rc = 0;
    struct routes *resv = output->reserved;
    rewind(dump);
    while(fgets(buffer, 1024, dump)) {
        if(strstr(buffer, "ZZ") && strstr(buffer, "reserved") &&
strstr(buffer, "ipv4")) {
            delim = strtok(buffer, "|");
            for(int i = 0; i < 3; i++)
                delim = strtok(NULL, "|");
            inet_pton(AF_INET, delim, &resv[output->rc].network);
            resv[output->rc].network =
__builtin_bswap32(resv[output->rc].network);
            delim = strtok(NULL, "|");
            unsigned int addr_count = atoi(delim);
            output->total_resv += addr_count;
            resv[output->rc].broadcast =
resv[output->rc].network+(addr_count-1);
            resv[output->rc].network =
__builtin_bswap32(resv[output->rc].network);
            resv[output->rc].broadcast =
__builtin_bswap32(resv[output->rc].broadcast);
            resv[output->rc].mask = ~__builtin_bswap32((unsigned
int)addr_count-1);
            output->rc++;
        }
    }
    rewind(dump);
    while(fgets(buffer, 1024, dump)) {
        if(strstr(buffer, "ZZ") && strstr(buffer, "available") &&
strstr(buffer, "ipv4")) {
            output->ac++;
        }
    }
    output->available = calloc(output->ac, sizeof(struct routes));
    if(!output->available)
        return -1;
    struct routes *avail = output->available;
    rewind(dump);
    while(fgets(buffer, 1024, dump)) {
        if(strstr(buffer, "ZZ") && strstr(buffer, "available") &&
strstr(buffer, "ipv4")) {
            delim = strtok(buffer, "|");
            for(int i = 0; i < 3; i++)
                delim = strtok(NULL, "|");
            inet_pton(AF_INET, delim, &avail[output->ac].network);
            avail[output->ac].network =
__builtin_bswap32(avail[output->ac].network);
            delim = strtok(NULL, "|");
            unsigned int addr_count = atoi(delim);
            output->total_avail += addr_count;
            avail[output->ac].broadcast =
avail[output->ac].network+(addr_count-1);
            avail[output->ac].mask = ~__builtin_bswap32((unsigned
int)addr_count-1);
            output->ac++;
        }
    }
    fclose(dump);
    return 0;
}

int parse_dfz(char *dfz_dump, struct audit *output) {
    FILE *dump = fopen(dfz_dump, "r");
    char buffer[1024] = {0};
    int rc = 0, mult = 0, cidr = 0;
    char *delim;
    if(!dump) {
        return -1;
    }
    while(fgets(buffer, 1024, dump)) {
        if(buffer[0] >= '1' && buffer[0] <= '9' && strtok(buffer, "/") &&
strchr(buffer, '.')) {
            rc++;
        }
    }
    output->dfz = calloc(rc, sizeof(struct routes));
    output->dfz_count = rc;
    if(!output->dfz) {
        return -1;
    }
    rewind(dump);
    rc = 0;
    while(fgets(buffer, 1024, dump)) {
        if(buffer[0] >= '1' && buffer[0] <= '9') {
            cidr = 0;
            delim = strtok(buffer, "/");
            delim = strtok(NULL, "/");
            if(!delim) {
                memset(buffer, 0, 1024);
                continue;
            }
            mult = 1;
            for(int i = 0; i < 3; i++) {
                if(delim[i] >= '0' && delim[i] <= '9') {
                    cidr = cidr * mult+(9-('9'-delim[i]));
                    mult*=10;
                }
            }
            delim = strchr(buffer, '.');
            if(!delim) {
                memset(buffer, 0, 1024);
                continue;
            }
            output->dfz[rc].cidr = cidr;
            inet_pton(AF_INET, buffer, &output->dfz[rc].network);
            output->dfz[rc].cidr = cidr;
            output->dfz[rc].network = __builtin_bswap32((unsigned
int)output->dfz[rc].network);
            output->dfz[rc].mask = (~(unsigned int)0) << (32-cidr);
            output->dfz[rc].broadcast = output->dfz[rc].network +
((~(unsigned int)0) >> cidr);
            output->dfz[rc].network = __builtin_bswap32((unsigned
int)output->dfz[rc].network);
            output->dfz[rc].broadcast = __builtin_bswap32((unsigned
int)output->dfz[rc].broadcast);
            rc++;
            memset(buffer, 0, 1024);
        }
    }
    fclose(dump);
    return 0;
}

int audit_reserved(struct audit *data) {
    int hijack_count = 0;
    for(int i = 0; i < data->dfz_count; i++) {
        unsigned int dfz_net = __builtin_bswap32((unsigned
int)data->dfz[i].network);
        unsigned int dfz_bcast = __builtin_bswap32((unsigned
int)data->dfz[i].broadcast);
        for(int r = 0; r < data->rc; r++) {
            unsigned int resv_net = __builtin_bswap32((unsigned
int)data->reserved[r].network);
            unsigned int resv_bcast = __builtin_bswap32((unsigned
int)data->reserved[r].broadcast);
            if(dfz_net >= resv_net && dfz_net <= resv_bcast) {
                hijack_count += ((dfz_bcast-dfz_net)+1);
                char dfz_route[INET_ADDRSTRLEN] = {0};
                char resv_network[INET_ADDRSTRLEN] = {0};
                char resv_broadcast[INET_ADDRSTRLEN] = {0};
                inet_ntop(AF_INET, &data->dfz[i].network, dfz_route,
INET_ADDRSTRLEN);
                inet_ntop(AF_INET, &data->reserved[r].network,
resv_network, INET_ADDRSTRLEN);
                inet_ntop(AF_INET, &data->reserved[r].broadcast,
resv_broadcast, INET_ADDRSTRLEN);
                printf("%s/%d fell between reserved range %s -> %s [Adding
%d addresses to potential hijack]\n",
                       dfz_route, data->dfz[i].cidr, resv_network,
resv_broadcast, (dfz_bcast-dfz_net)+1);
            }
        }
        for(int a = 0; a < data->ac; a++) {
            unsigned int avail_net = __builtin_bswap32((unsigned
int)data->available[a].network);
            unsigned int avail_bcast = __builtin_bswap32((unsigned
int)data->available[a].broadcast);
            if(dfz_net >= data->available[a].network && dfz_net <=
data->available[a].broadcast) {
                hijack_count +=
((data->available[a].broadcast-data->available[a].network)+1);
                char dfz_route[INET_ADDRSTRLEN] = {0};
                char avail_network[INET_ADDRSTRLEN] = {0};
                char avail_broadcast[INET_ADDRSTRLEN] = {0};
                inet_ntop(AF_INET, &data->dfz[i].network, dfz_route,
INET_ADDRSTRLEN);
                inet_ntop(AF_INET, &avail_net, avail_network,
INET_ADDRSTRLEN);
                inet_ntop(AF_INET, &avail_bcast, avail_broadcast,
INET_ADDRSTRLEN);
                printf("%s/%d fell between available range %s -> %s\n",
dfz_route, data->dfz[i].cidr, avail_network, avail_broadcast);
            }
        }
    }
    printf("Found %d potentially hijacked addresses\n", hijack_count);
    return 0;
}

int main(int argc, const char * argv[]) {
    struct audit data = {0};
    if(parse_dfz(BGP_DUMP, &data))
        return EXIT_FAILURE;
    if(parse_afrinic_extended(AFRINIC_EXT, &data))
        return EXIT_FAILURE;
    printf("Found %d total available addresses and %d total reserved
addresses\n", data.total_avail, data.total_resv);
    audit_reserved(&data);
    return EXIT_SUCCESS;
}
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