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Data as of Nov 8, 2026

66.250.216.0/22

No anonymizer space · no proxy exits in 30 days

Cogent Communications, LLC

Announcement
66.250.0.0/16
No RPKI
Announced by
AS174
Type
Hosting
50% of it

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
66.250.216.0/24
since Oct 2025
AS12180HostingCogent Communications, LLC
66.250.218.0/24
since Jun 2006
AS27229HostingCogent Communications, LLC

Composition

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

Announced space

Address share

Announced space

Types across the prefix

1,024 addresses
TypeAddressesShareRanges
Hosting51250%2
Internet provider51250%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 66.250.0.0/16

Prefix
66.250.0.0/16
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Proxy exits
3
Always-on exits
1
RPKI
No RPKI
Netname
COGENT-NB-0001
Registrant
Cogent Communications, LLC
RIR
ARIN
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