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Data as of Nov 3, 2026

199.97.0.0/16

1 residential-proxy exit · 30 days

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
>99% of it

Residential-proxy exits

Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 4, 2026 – Nov 2, 2026

Exits seen per day

2 observations

Proxy providers listing exits

  • FastProxy

Announcements

More specific

Announcements inside

PrefixOriginTypeHolderRPKI
199.97.121.0/24
since May 2005
AS25987BusinessCogent Communications, LLC
199.97.228.0/24
since Mar 2018
AS40177BusinessCogent 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
199.97.0.0 - 199.100.255.255262,144COGENT-199-97-98-99-100-16Cogent Communications, LLC (COGC) · USDirect AllocationDec 30, 1993[email protected]
└ 199.97.121.0/24256WESTCHESTER-CGNT-NET-1Westchester Library System (WLS-9) · USReassignedAug 6, 2026—
└ 199.97.228.0/24256NETBLK-PSINET-C5-13American Institute for CPCU (C00004998) · USReassignedDec 22, 1994[email protected]
via COGENT-199-97-98-99-100-16

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

65,536 addresses
TypeAddressesShareRanges
Internet provider65,024>99%3
Business5120.78%2

Network & registry

AnnouncementRouting historyWhois & 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