nanog mailing list archives

Re: Reliable GeoIP database


From: Alex Buie <abuie () cytracom com>
Date: Mon, 3 Feb 2025 12:57:24 -0500

This is factual. I spend a significant amount of effort ensuring geoip is
accurate for our customers and the proliferation of vendors makes this very
annoying and time consuming when we are onboarding a new block. RFC9632 at
least makes this easier - I definitely recommend doing so if you are not.

On Mon, Feb 3, 2025 at 12:35 PM Dan Snyder <sliplever () gmail com> wrote:

I don't feel like there is any reliable GeoIP database. The protocol
wasn't designed for this and thus there is a lot of false information
presented about where IP addresses are located.

On Mon, Feb 3, 2025 at 10:28 AM Dmitriy A. <dak () prospectone io> wrote:

We've been dealing with geoip issues for quite a while and this is what
we came up with, maybe it would be useful for you
https://github.com/jsdelivr/globalping/blob/master/docs/geoip.md

But we're also in progress of updating the logic to include latency as an
additional parameter.

On Mon, Feb 3, 2025, 12:20 Scott Q. <qmail () top-consulting net> wrote:

What are you guys using as a reliable GeoIP database ? I've tried
Maxmind and a few others, also checking against ARIN but there's tons of
differences.

For example: 1.2.9.0/24 . ARIN says it belongs to China Telecom but
others say it's part of Russia: https://ipregistry.co/1.2.9.0

How to handle such cases ?

Thanks!
Scott​​



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