Data as of Nov 10, 2026

154.12.23.0/24

No anonymizer space · no proxy exits in 30 days

cognetcloud INC · space held by Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Hosting
Risk
95 / 100 · Critical
Spamhaus DROP

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
154.12.16.0/20
since Jul 2025
AS401696Hosting2Cogent Communications, LLC
154.12.0.0/15
since Jan 2007
AS174Internet providerIP broker Aventice (part)645
187 always on

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Sep 2023
Origin networks
3
Last change of origin
Feb 2026
Recorded history

History

Handoffs
3