Hello,
We are looking into this issue.
Thank you,Aaron Block --- Aaron Block Akamai Technologies abl...@akamai.com GPG KeyID: 0xD098B69F Senior Principal Network Engineer Voice: +1-617-444-2892 as20940 > On Feb 9, 2025, at 1:56 AM, Romain Fontugne via NANOG <nanog@nanog.org> wrote: > > Hi Geoff, > >> The same has been going on in IPv6. The 50 noisiest prefixes (and a whole >> bunch of them originate in Akamai) generate a whopping 34% of the total IPv6 >> update load, and the >> noisiest 50 Origin AS's generate an even more impressive 74% of the total >> IpPv6 update load. Akamai's AS 36813 generated 27% of total IPv6 update load >> over the past 14 days. > > Thanks that confirms what we see. If there is someone here from AS36183 I > guess it is something worth looking at. > > Romain > > ________________________________________ > From: Geoff Huston <gih...@gmail.com> > Sent: Sunday, February 9, 2025 14:41 > To: [IIJ] Fontugne Romain > Cc: NANOG > Subject: Re: Noisy prefixes in BGP > > Hi Romain > > > We are seeing in RIS data a constant flow of update messages from a few ASes, > here is the list of the top prefixes: > > ┌─────────────────────┬────────────┬──────────────┐ > │ prefix │ origin_asn │ num_announce │ > │ varchar │ varchar │ int64 │ > ├─────────────────────┼────────────┼──────────────┤ > │ 169.145.140.0/23 │ 6979 │ 843376 │ > │ 2a03:eec0:3212::/48 │ 22616 │ 435608 │ > │ 172.224.198.0/24 │ 36183 │ 380117 │ > │ 172.226.208.0/24 │ 36183 │ 374040 │ > │ 172.226.148.0/24 │ 36183 │ 367083 │ > > You might also want to check out these two update reports: > > > https://urldefense.com/v3/__https://www.potaroo.net/bgpupds/reports/bgpupd.html__;!!GjvTz_vk!SD6KJxNhU4aKiWpcXriRDtauGeg5dxFRdkfMVwBPbE88V6WbzJIGdnpOXaK6Aashuw4KDnAHuQ$ > > > and > > > https://urldefense.com/v3/__https://www.potaroo.net/bgpupds/reports/v6-bgpupd.html__;!!GjvTz_vk!SD6KJxNhU4aKiWpcXriRDtauGeg5dxFRdkfMVwBPbE88V6WbzJIGdnpOXaK6Aashuw4TrhLPtg$ > > > These reports have been going on for a couple of decades now. It operates > over a rolling 14 day window. > > Over the last 14 days in IPv4 the noisiest 50 prefixes generate 5% of the > total update load, The 50 noisiest Origin AS's generate 24% of the total > 14-day BGP update load > > The same has been going on in IPv6. The 50 noisiest prefixes (and a whole > bunch of them originate in Akamai) generate a whopping 34% of the total IPv6 > update load, and the noisiest 50 Origin AS's generate an even more impressive > 74% of the total IpPv6 update load. Akamai's AS 36813 generated 27% of total > IPv6 update load over the past 14 days. > > (There are 40,300 30 second MRAI intervals in a 14 day period so when a > prefix is being updated 33,000 times in 145 days its basically being updated > as fast as many BGP implementations will let you!) > > > Geoff > > > >
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