On Thu, May 5, 2011 at 2:35 AM, Bill Woodcock <wo...@pch.net> wrote: > -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA256 > > > On May 4, 2011, at 8:23 PM, Yaoqing(Joey) Liu wrote: > >> Hi NANOG, >> >> I manually extracted the origins and their org info for the announced >> block of prefixes. All these prefixes were observed being originated >> by at most four ASNs simultaneously. I suspect they provide anycast or >> IXP service, but not positive. Please confirm my conjecture if you >> know them. > > The IXP subnets are here: > > http://www.pch.net/ixpdir/ip_city_country.pl
We're using these IXP prefixes and they are very helpful, but I'm afraid they are not complete. For example, I couldn't find any IXP prefix from the mainland of China, such as Beijing and Shanghai. Yaoqing > > -Bill > > > > > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.11 (Darwin) > > iQIcBAEBCAAGBQJNwlM7AAoJEG+kcEsoi3+HXD8P/0Ufpu3KDRZsAzbV6PVcUjIU > HtGl2aTTkPntLcaEZgItRA1m9GBbiIdDBRsQrR2IDU9K9py5MEhnllmC+JojJpJ9 > xtrxEnisLNiZfCHhy0AHHhHZfbvu9UWpXbHVTuezL1HyRTCscmdyQWJtGYug59p6 > beI9kVlP7laOY6pyrb2rXCDPs0zaVqof4XwWlD5HQMQJcdw5GyyON9ddz7WXROk5 > Q4be9G7w79L164r4nkDDTreZ7yWGqUFSGwXYTRpkItbBgHQtW3fnWKIrVbRl5a3X > t/3og2OmysYY5g05IjP7Afg0+IPopyS9Kwa1SvgVe+Qu0SX8nZAjhOcSKtMgmPwP > CdzyK6Mv20+CkwcmAejG44dZ4NWY/Zog8iJ4fDDmgX8CxqGduoG0cLmvXPg9iqz9 > qpxuD6EpqYOXKVFYRy3BOao72PJJgURpd2JGYHw2OiWkOTBP/KkJkOWb4pawDR2B > q06Zt/XyHqQhFwu4oUq63wOFcsUHn3poEjEtG2kPyYH4R4gUsZJvdXGOXpw3kq52 > z3437Nf0fMnGeu+SKpINQ14GXKWzpxTtwRxDrDBlxyweLsA8ZTgzDxgCljkmO4wc > XF67uAGlHdu3eXCFHslW8tTrizjWl4fe95qej5oDuNi4okmkU6E6po6ohfphvxPP > Uu2gSRvFtzCmZGUypu9P > =BV20 > -----END PGP SIGNATURE----- > >
