nanog mailing list archives

Re: AS Numbers unused/sitting for long periods of time


From: Mike Hammett <nanog () ics-il net>
Date: Wed, 3 Jan 2018 09:12:22 -0600 (CST)

I updated all applicable records for a new client in the past month. Didn't seem that difficult. *shrugs* 

I did have control of the email server for the domain in the POCs, though. 




----- 
Mike Hammett 
Intelligent Computing Solutions 
http://www.ics-il.com 

Midwest-IX 
http://www.midwest-ix.com 

----- Original Message -----

From: "Steve Noble" <snoble () sonn com> 
To: nanog () nanog org 
Sent: Tuesday, January 2, 2018 5:11:57 PM 
Subject: Re: AS Numbers unused/sitting for long periods of time 

Inaccurate whois data from ARIN is not a good way to tell anything as 
ARIN is terrible to deal with when you need to update an address or 
phone number or anything. I know personally as I had to fight for years 
to update the data on an ASN that ARIN was billing me to manage the data 
for. 

Chris Adams <mailto:cma () cmadams net> 
January 2, 2018 at 2:56 PM 

I know of two (from a former job) that pre-date ARIN that haven't been 
used since 1999 because those two companies no longer exist (nor AFAIK 
does any successor company). The whois information is bogus at this 
point, but I couldn't prove that. 

I expect that AS numbers allocated by ARIN and other current RIRs are 
not abandoned like that (since they charge annual fees, and I assume 
they reclaim for non-payment), so the number of abandoned AS numbers is 
probably not growing significantly (and would not grow beyond the 
pre-RIR pool). 

With 32 bit AS numbers though, what's the point of making an effort to 
reclaim the old AS numbers? BGP4 has been shown to handle alternate 
length AS numbers, so if somehow 4 billion are allocated, it probably 
won't be a big deal to extend BGP again. 

James Breeden <mailto:James () arenalgroup co> 
January 2, 2018 at 2:46 PM 
Before I take this to the ARIN PPML, wanted to get NANOG's thoughts. 


I'm amazed at the number of AS numbers that are assigned, but not 
actively being used. I'm not talking just like they are offline for a 
week or month, this is complete non-use of the AS in the global 
routing table within *years*. They are completely abandoned resources 
- Whois data is inaccurate by 5-10 years, no routeviews data in the 
same time period, the owning organization (if you can find it) 
scratches their heads about responding whether they use it or not, etc. 


I know we're currently not in a push to get AS numbers or close to 
exhaustion, but I do believe that people who have global AS numbers 
should have a requirement to use them or return them to the global 
pool. Am I the only one thinking this? 


And before you come back with "Well they may be using it internally 
where it doesn't need to be in the GRT" - that's why we have Private 
AS numbers. 


I.e. some form of ARIN or global policy that basically says "If AS 
number not routed or whois updated or used in 24 months, said AS 
number can be public noticed via mailing list and website and then 
revoked and reissued to a pending, approved AS request" 


Just thinking aloud. Happy New Year all! 


James W. Breeden 

Managing Partner 



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