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

Wed Dec 6 16:18:15 UTC 2023

On Tue, Dec 5, 2023 at 5:09 PM Tom Beecher <beecher at beecher.cc> wrote:
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>> i would expect that google announces the /16 at least from 'everywhere', yes.
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> I see the specific /18s Drew asked about initially. Didn't check for the covering /16.
>

sure, good enough :) (I have not looked at our config in a bit to be sure)

> On Tue, Dec 5, 2023 at 1:29 PM Christopher Morrow <morrowc.lists at gmail.com> wrote:
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>> On Tue, Dec 5, 2023 at 11:06 AM Tom Beecher <beecher at beecher.cc> wrote:
>> >
>> > From my observations, all us-east-5 IPs are announced via transit and peering at all of my locations Chicago and east.
>> >
>>
>> i would expect that google announces the /16 at least from 'everywhere', yes.
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>> > 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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