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Data as of Nov 15, 2026

207.153.64.0/18

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
98% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
207.153.110.0/24
since Jul 2026
AS262706HostingCogent Communications, LLC
207.153.122.0/24
since Oct 22, 2026
AS174Internet providerCogent 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
207.153.64.0/1816,384COGENT-207-153-18Cogent Communications, LLC (COGC) · USDirect AllocationJun 20, 1996abuse@cogentco.com
└ 207.153.110.0/24256COGC-207-153-110-0-1Braslink (C01184081) · USReassignedSep 27, 2005abuse@cogentco.com
via COGENT-207-153-18

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

Composition

The types across the prefix's announced space, by addresses.

Announced space

Address share

Announced space

Types across the prefix

16,384 addresses
TypeAddressesShareRanges
Internet provider16,12898%4
Hosting2561.6%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
May 2005
Current origin since
May 2005 · 22 yr
Origin networks
1