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Data as of Nov 3, 2026

209.115.0.0/17

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
209.115.48.0/24
since Jul 2005
AS29787BusinessCogent Communications, LLC
209.115.50.0/24
since Jul 2005
AS29787BusinessCogent 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
209.115.0.0/1732,768COGENT-FNSI-0004Cogent Communications, LLC (COGC) · USDirect AllocationAug 6, 1997[email protected]
└ 209.115.29.0/24256FIBERNET-CBLK-3-A4unknown———
└ 209.115.48.0/24256COGC-209-115-48-0-1Web Force Systems (WFS-27) · USReassignedDec 29, 2004—
└ 209.115.50.0/24256COGC-209-115-48-0-1Web Force Systems (WFS-27) · USReassignedDec 30, 2004—

Composition

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

Announced space

Address share

Announced space

Types across the prefix

32,768 addresses
TypeAddressesShareRanges
Internet provider32,25698%3
Business5121.6%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
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