Additionally who "owns" an IP is public knowledge. So Google could serve different addresses based on from who owns the address the request comes form.
Specially if they are peering(exchanging traffic on equal basis) with ISPs in certain locations, they could give addresses that are closest to this point of peering. Namely some room with big routers and many service providers.
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Additionally who "owns" an IP is public knowledge. So Google could serve different addresses based on from who owns the address the request comes form.
Specially if they are peering(exchanging traffic on equal basis) with ISPs in certain locations, they could give addresses that are closest to this point of peering. Namely some room with big routers and many service providers.