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 <ja...@lixfeld.ca> 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
