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Data as of Nov 12, 2026

63.161.1.0/24

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Unknown
Risk
30 / 100 · Medium
Recently moved
Recent change
New origin Jun 2026
from AS1239 Cogent Communications, LLC, after 2.1 years unannounced

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
63.160.0.0/12AS174Internet provider188
24 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
63.160.0.0/121,048,576COGENT-63-160-0Cogent Communications, LLC (COGC) · USDirect AllocationDec 3, 1999abuse@cogentco.com
└ 63.161.1.0/24256SPRINTLINKCHAMBERLAIN (CHAMB-12) · USReassignedJun 28, 2010mcoccimiglio@chamberlaingroup.com

Network & registry

AnnouncementRouting historyWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Reactivated
First seen
May 2024
Current origin since
Jun 2026 · 5 mo
Origin networks
2
Last change of origin
Jun 2026
Recorded history

History

Handoffs
1