[DBWG] All AFRINIC-administered IP space
Frank Habicht
geier at geier.ne.tz
Sun Jul 25 15:51:31 UTC 2021
Hi all,
I had some meta-info missing from my yesterday email.
Please allow me to correct/update.
On 24/07/2021 11:46, Frank Habicht wrote:
> Hi Ronald,
>
<hat=personal>
> thanks for this longer explanation, and I personally think that it helps
> us all understand.
</hat>
>
> On 24/07/2021 00:58, Ronald F. Guilmette wrote:
>> ...
>> I should perhaps explain why I would like to have a list of all AFRINIC
>> administered IP space.
>>
>> As we all know, routing on the Internet is, at the present time, still quite
>> fraught with insecurity. Until the whole world starts accepting (and also
>> enforcing) RPKI checks, there will remain quite a lot of goofy stuff on the
>> Internet when it comes to routing.
>>
>> Of course, anybody can just announce a route to any IP space they like and
>> nobody can really stop them from doing that. But in the absence of any
>> "authority" that effectively "validates" a given route, the route announcement
>> itself is likely to get filtered.
>>
>> The world has not yet fully adopted RPKI so when it comes to validating
>> routes, the world still relies a lot on Internet Route Registries (IRRs).
>> And it is to be hoped that each of these will contain only "good" and
>> "valid" information. Sadly, that is not even nearly the case. I've
>> been researching this recently, so I know.
>>
>> Each of the five Regional Internet Registries operates its own IRR...
>> in the case of both RIPE and ARIN, they actually each operate -two-
>> of these... a so-called "AUTH" IRR and also a "NONAUTH" one. Anyway,
>> my research has shown that -all- of the IRRs being operated by all of
>> the RIRs have had some provably invalid route objects in them... either
>> (a) routes that are invalid because they refer to "bogon" (unassigned) IP
>> address space or else (b) routes that refer to "bogon" (unassigned) AS
>> numbers. I have been trying to work with all five of the RIRs to get
>> these "bogon" route objects eliminated from their respective IRRs.
>>
>> I am pleased to say that AFRINIC has been most cooperative in this effort,
>> and that AFRINIC now has exactly and only -zero- bogon route objects in
>> its IRR.
>
<hat=personal>
> That is great to hear and after 2nd read I noted the past tense in the
> previous paragraph :-)
</hat>
<hat=co-chair>
> I think it's in all our interest to have and keep the IRRs as much as
> possible in a state that's extremely close to the truth, authoritative
> and trusted.
</hat>
>> Alas, the IRRs that belong to the four other RIRs are still a
>> work in progress, and each are still in need of more cleanup to insure
>> that they contain only 100% valid route objects.
>>
>> The only other IRR that seems to be in really widespread use is is the
>> privately operated one that is run by Merit, Inc. in the U.S. and that
>> is called "RADB". Sadly, this one has minimal security and apparently
>> no routine maintenance of any kind. As a result, it has, over time
>> accumulated a LOT of bogon route objects, many of which were abandoned
>> by their creators, long long ago, and many of which have been quite
>> deliberately created by Internet criminals and miscreants.
>>
>> My long term hope is that I'll be able to get bogon route objects removed
>> not just from the IRRs that are operated by the five RIRs, but also from
>> the RADB data base as well.
<hat=network-operator>
> I agree that making RADB "cleaner" than now would make a positive
> operational impact.
>> Unfortunately, the folks at RADB don't listen to me when I tell them
>> about problems in their published route data. (I think that maybe they
>> don't like me. If so, they would certainly not be alone.) But I've
>> been informed that they *do* listen when any RIR staff talks to them.
>
> I've once-or-twice told them of much more specific problems, with
> explanation and supporting info for each case, and it went ok.
> *maybe* too much change at once makes it "suspicious" to them....
</hat>
>> So, here is the bottom line:
>>
>> Within the RADB there currently exists vast gobs of bogon route objects
>> that refer to IP space that is administered by AFRINIC but which is
>> currently not *assigned* by AFRINIC to any party. The effect of at
>> least some of these RADB route objects is to allow various parties to
>> freeload off of unassigned AFRINIC-administered address space.
>>
>> Here is a clear example:
>>
>> https://bgp.he.net/AS37155#_prefixes
>>
>> I believe that all of the IPv4 address blocks shown on the above page are
>> (a) administered by AFRINIC and also (b) unassigned to any party by AFRINIC
>> at the present time.
<hat=community-member>> I occasionally download -delegated files.
> I see (AS) "37155" and "41.72.0.0" delegated to the same entity until
> (at least) 20200825 and not delegated from 20210101. So there's a case
> where resources (that once were delegated) were apparently de-registered.
</hat>
<hat=co-chair>
> And we don't want to speculate /here/ about the reasons.
</hat>
<hat=co-chair>> Maybe for our understanding: could AfriNIC staff confirm
that
> - in this case of ORG-NT1-AFRINIC, or
> - in general, per internal procedure
> members are contacted before de-registration of resources?
</hat>
<hat=network-operator>
> From personal experience I know that even upstream providers of members
> are contacted in case of no responding contact with the member.
> I've also come to know of one member returning resources after they were
> such contacted, because of "no need" - well.....
>
> Knowing of again other entities, that had resources de-registered, but
> later got into contact with AfriNIC and got the same resources
> re-instated, I am wondering if this could be a similar case.
</hat>
>> Please notice all of the GREEN checkmarks next to the routes shown. Those
>> are indicating that *some* IRR contains a corresponding route object for
>> each of the routes shown.
>>
>> As it turns out, the specific IRR that contains the corresponding route
>> objects for all of these routes is RADB.
>>
>> The problem here isn't just that someone is squatting on unassigned AFRINIC-
>> administered IP address space. The real problem is that RADB is, in effect,
>> *validating* those route announcements as being "legitimate".
>>
>> I'd like to persuade RADB to stop doing that. But I alone cannot do that
>> because they don't listen to me.
>>
>> What I would like to do instead is to create a list of *all* of the bogon
>> route objects currently present in the RADB route registry and that refer
>> to any AFRINIC-administered IP space, and then send that whole list to
>> hostmaster(at)afrinic.net along with my request that AFRINIC itself
>> should ask the RADB people to delete all of the bogon routes they have
>> that refer to (unassigned) AFRINIC-administered IP space.
>>
>> Obviously, in order to carry out this plan, I need to start by having a
>> list of all AFRINIC-administered IP space... both assigned and unassigned.
<hat=dbwg-member>
> So this is the important first step and I'm in agreement that this
> should be published. From previous email, we understand Nishal to think
> the same.
</hat>
<hat=co-chair>
> Any input from others?
>
>
>> Equally obviously, *someone* on the AFRINIC staff *must* have such a list.
>> Otherwise, how would AFRINIC know what is "their's" and what isn't?
>
> Yep.
</hat>
> Regards,
> Frank
sorry for the trouble.
Frank
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