Data as of Nov 15, 2026

38.210.66.0/24

No anonymizer space · no proxy exits in 30 days

CSC63 · space held by Cogent Communications, LLC

Announcement
this exact prefix
RPKI valid
Announced by
Type
Business
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Aug 2026
from AS174 Cogent Communications, LLC

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsHolderRPKI
38.210.66.0/23
since Aug 2026
AS274428BusinessCogent Communications, LLC
38.0.0.0/8AS174Internet providerIP broker Rackdog (part)399,898
75,255 always on
Cogent Communications, LLC

Registrations in this block

The registry's network records over the announcement: those covering it, widest first, then every record inside it, under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
38.0.0.0/816,777,216COGENT-ACogent Communications, LLC (COGC) · USDirect AllocationApr 16, 1991abuse@cogentco.com
└ 38.210.66.0/23512CHMO-CGNT-NET-1Chmo Servicios (C11686933) · MXReassignedAug 20, 2026abuse@cogentco.com
via COGENT-A

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Sep 2025
Current origin since
Aug 2026 · 3 mo
Origin networks
3
Last change of origin
Aug 2026
Recorded history

History

Handoffs
2