Data as of Nov 3, 2026

154.12.4.0/23

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
Type
Unknown
Risk
0 / 100 · Low

Announcements

Less specific

Covering announcements

PrefixOriginTypeLeased fromProxy exitsRPKI
154.12.0.0/15
since Jan 2007
AS174Internet providerIP broker Aventice (part)623
174 always on

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
154.12.0.0/1665,536COGENT-154-12-16Cogent Communications, LLC (COGC) · USDirect AllocationFeb 5, 1992[email protected]
└ 154.12.4.0/23512NET-154-12-4-0-1GuangZhou Zike Network Technology Co Ltd (C09386857) · ESReassignedApr 19, 2023[email protected]
via COGENT-154-12-16

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

IPv4 market

Holder

Organization
Cogent Communications, LLC
Handle
COGC
Range
154.12.0.0/16
Registration type
Direct Allocation
Record created
Feb 5, 1992
Legacy
yes
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