I'm surprised they don't set aside a small piece of their IP space that an ISP can anycast routes locally to the cache (Maybe a /24?)
----------------------------------------------------------------------------------------------- -ITG (ITechGeek) [email protected] https://itg.nu/ GPG Keys: https://itg.nu/contact/gpg-key Preferred GPG Key: Fingerprint: AB46B7E363DA7E04ABFA57852AA9910A DCB1191A Google Voice: +1-703-493-0128 / Twitter: ITechGeek / Facebook: http://fb.me/Jbwa.Net On Sat, Mar 14, 2015 at 3:55 PM, Dave Temkin <[email protected]> wrote: > Seems like an odd waste of resources; what if Google, Akamai, Netflix, and > anyone else who wanted caches wanted IPs in that block? The IX would be out > of address space pretty quickly, forcing a majority of users to re-number > because of a small number of other users. > > -Dave > > On Thu, Mar 12, 2015 at 1:07 PM, Steven Schecter <[email protected]> > wrote: > > > Those IPs appear to be used by to Google cache servers at the QIX. It's > > common for CDNs to utilize provider space and not maintain their own > > layer-3. E.g. cache servers connected to switch, connected to provider, > > without the requirement of a router. > > > > > > /Steve > > > > On Thu, Mar 12, 2015 at 3:58 PM, Jason Lixfeld <[email protected]> wrote: > > > > > So today, I saw this: > > > > > > BlackBox:~ jlixfeld$ host google.ca 8.8.8.8 > > > Using domain server: > > > Name: 8.8.8.8 > > > Address: 8.8.8.8#53 > > > Aliases: > > > > > > google.ca has address 206.126.112.166 > > > google.ca has address 206.126.112.177 > > > google.ca has address 206.126.112.172 > > > google.ca has address 206.126.112.187 > > > google.ca has address 206.126.112.151 > > > google.ca has address 206.126.112.158 > > > google.ca has address 206.126.112.157 > > > google.ca has address 206.126.112.173 > > > google.ca has address 206.126.112.181 > > > google.ca has address 206.126.112.155 > > > google.ca has address 206.126.112.147 > > > google.ca has address 206.126.112.185 > > > google.ca has address 206.126.112.143 > > > google.ca has address 206.126.112.170 > > > google.ca has address 206.126.112.162 > > > google.ca has IPv6 address 2607:f8b0:4006:808::100f > > > google.ca mail is handled by 50 alt4.aspmx.l.google.com. > > > google.ca mail is handled by 30 alt2.aspmx.l.google.com. > > > google.ca mail is handled by 20 alt1.aspmx.l.google.com. > > > google.ca mail is handled by 10 aspmx.l.google.com. > > > google.ca mail is handled by 40 alt3.aspmx.l.google.com. > > > BlackBox:~ jlixfeld$ > > > > > > That is not Google IPv4 address space, and those IPv4 IPs are not being > > > announced by 15169. > > > > > > Am I dumb in thinking that this is weird or is this sort of thing > > > commonplace? > > > > > > > > > > -- > > Steven J. Schecter > > (m) 917.676.1646 > > >
