Comment by kloch

3 years ago

I don't know (or care) about how he got that ASN but ARIN does occasionally recycle returned 3 or 4 digit ASN's, including very recently:

  20220607|arin|US|asn|888|1|assigned|66e25d155d3f3d57ff208733b59f8cc8
  20220607|arin|US|asn|889|1|assigned|5b048aafff56a02f895e68ac5188853b
  20220607|arin|US|asn|890|1|assigned|708d3f11915973323c76a5f95fa2d775
  20220607|arin|US|asn|891|1|assigned|ab9bfca0becd32b7fe44c7ea0ba1aac3
  20220607|arin|US|asn|892|1|assigned|0b9118a23862aab1647fd26939f7b219
  20220607|arin|US|asn|893|1|assigned|57d59e6dfd1cd07523724f9cf5fc572b
  20220607|arin|US|asn|894|1|assigned|0a932835b90a81bffeb1539b4bc93040

The first time ARIN did this with a lot of 4-digit ASN's was 2009 and was how Netflix was able to get AS2906.

There is also a market for reselling ASN's that aren't needed anymore: https://auctions.ipv4.global (filter by ASN)

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kloch

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