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Data as of Nov 4, 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 provider179
37 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, 1999[email protected]
└ 63.161.1.0/24256SPRINTLINKCHAMBERLAIN (CHAMB-12) · USReassignedJun 28, 2010[email protected]

Network & registry

AnnouncementRouting historyWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
Cogent Communications, LLC
Handle
COGC
Range
63.160.0.0/12
Registration type
Direct Allocation
Record created
Dec 3, 1999
Origin network

AS174

US
Name
Cogent Communications, LLC
Type
Internet provider
Registered
May 16, 1996
Domain
cogentco.com
Website
www.cogentco.com/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1,658