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2.4% of AFRINIC’s IPv4 addresses answer from outside Africa, and about 81% of those sit in one company’s four blocks
published on 2026-11-11 14:12:37 UTC by /u/seremotContent:
I work at IPinfo and this one started with a simple question: if a registry says an address is African, is it actually in Africa?
This started as work for a paper by our research team (WHEREIS, IMC 2026). We tested it with ping times. Light in fiber only travels so far in a millisecond, so a fast reply puts a hard limit on how far away an address can be.
Most registries pass, but AFRINIC is the exception: 2.4% of the addresses we could measure answer from outside Africa. And about 81% of those are in just four blocks, held by one company.
What surprised me most while writing this is that the registries’ own files still list 98.6% of them as African. So anything that blocks or allows traffic by registry country gets these wrong.
The numbers are a minimum, and anycast is left out.
[link] [comments]
https://www.reddit.com/r/netsec/comments/1xtirgl/24_of_afrinics_ipv4_addresses_answer_from_outside/
Published: 2026 11 11 14:12:37
Received: 2026 11 11 14:20:35
Feed: /r/netsec - Information Security News and Discussion
Source: /r/netsec - Information Security News and Discussion
Category: Cyber Security
Topic: Cyber Security
Views: 0
