[arin-ppml] Potentially black listed space

Michael Peddemors michael at linuxmagic.com
Thu Aug 11 18:42:44 EDT 2022


And of course, there are some blocklists designed to indicate 'Not In 
Use', and need to see the IP in use before exempted..

This should NOT be an ARIN responsibility at all.. And especially since 
history has shown that new allocations are often quickly leased to those 
that the blocklists were designed to indicate in the first place ;)

IMHO

On 2022-08-11 11:43, Fernando Frediani wrote:
> Hello
> 
> I think this is something unnecessary.
> It is good that ARIN is careful about making sure reissued space is not 
> routed or present in blocklists before assigning it to a new holder, but 
> should not be obligatory, specially in times of IPv4 exhaustion.
> Between assigning something to an organization that requires it to exist 
> in the Internet and not assigning at all, some may choose to receive the 
> space and deal with the issue afterwards.
> 
> The reason a block may be in a blacklist is out of the control of ARIN 
> and it should reduce the capacity to do its duties which is assign space 
> to organizations because of a 3rd party problem that it is not their 
> duty to resolve. Therefore leave it without it and perhaps at maximum 
> have a minimum time hold time.
> 
> Fernando Frediani
> 
> 
> PS: It seems to be a hell the existence of these type of blacklists that 
> don't look to have any criteria to add or removed addresses, ending up 
> some space to stay there indefinitively. There may be blacklists to be 
> used for blackhole or similar proposes, but be restricted to a DDoS 
> mitigation scenario, not to have addresses permanently banned.
> If there are serious issues regarding IP space being used for criminal 
> activities this should be seriously treated via the appropriate abuse 
> contacts and at the worst case scenario be brought to the attention to 
> the RIR and be considered IP space missusage. I don't think anyone can 
> defend in such cases that the RIR should not have anything to do with 
> the way that IP space is used.
> 
> Last and not less important there are blacklist that are targeted to be 
> used only for spam combat and in such cases there is absolutely no 
> issues with having certain IP space present there. I have seen cases 
> where people confuse things and believe those lists are to be applied 
> for any type of Internet traffic.
> 
> 
> On 11/08/2022 15:21, WOOD Alison * DAS wrote:
>>
>> Good afternoon PPML:
>>
>> It has been brought to the attention of the Policy Experience Working 
>> Group that in rare circumstances it is possible that Internet 
>> resources re-issued from revoked RSA space may have been on a block 
>> list or currently routed.  The ARIN staff  is very careful to make 
>> sure that any reissued space is not routed so as to cause some unaware 
>> 3rd party problems with their business as well as the new holder. 
>>  ARIN also aims to avoid providing space that appears on block lists 
>> and is diligent in researching these issues.
>>
>> As a community, would you like to see clarification in section 4.1.8, 
>> stating something like:  Space revoked per the RSA has had no 
>> substantial routing table usage since revocation and has met a six 
>> month hold time?
>>
>> Thanks!
>>
>> -Alison
>>
>>
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