Any comprehensive listing of where Google's IPs originate from?

Tue Dec 5 18:29:13 UTC 2023

On Tue, Dec 5, 2023 at 11:06 AM Tom Beecher <beecher at beecher.cc> wrote:
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> From my observations, all us-east-5 IPs are announced via transit and peering at all of my locations Chicago and east.
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i would expect that google announces the /16 at least from 'everywhere', yes.

> On Mon, Dec 4, 2023 at 9:11 AM Drew Weaver <drew.weaver at thenap.com> wrote:
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>> Hello,
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>> We are trying to reduce latency to a region in Google Cloud which we are in the same city of. Latency is currently about 22ms rt for the traffic to go 9 miles.
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>> I am having the hardest time finding any comprehensive list of what exchanges, transit, etc their IP addresses are being announced over.
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100% chance the best option is peeringdb ....(I'm betting closest to
drew is chicago-land-ix-ville)

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>> Specifically trying to get closer to addresses in these prefixes:
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>> 34.162.192.0/18
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>> 34.162.64.0/18
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>> Any info is greatly appreciated.
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>> Thanks,
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>> -Drew
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