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Data as of Nov 8, 2026

198.68.0.0/16

24,576 anonymizer addresses · 38% · ISP proxy

Cogent Communications, LLC

Announcement
198.68.0.0/15
No RPKI
Announced by
AS174
Type
Internet provider
58% of it
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Feb 11, 1993
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since May 2024 · 2.5 yr ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 198.68.0.0/16/24s
Rackdog
24,57638%
96
Leased from

Owners leasing their own space

NameIn 198.68.0.0/16/24s
Cogent Communications, LLC
24,57638%
96

Announcements

More specific

Announcements inside

PrefixOriginTypeLeased fromHolderRPKI
198.68.64.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
198.68.80.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
198.68.96.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
198.68.112.0/20
since Aug 2025
AS6079ISP proxyIP broker RackdogCogent Communications, LLC
198.68.128.0/19
since Dec 2025
AS4637ISP proxyIP broker RackdogCogent Communications, LLC
198.68.195.0/24
since Mar 2025
AS174UnknownCogent Communications, LLC
198.68.240.0/21
since May 2005
AS3816ResidentialCogent Communications, LLC

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
198.67.0.0 - 198.70.255.255262,144COGCCogent Communications, LLC (COGC) · USDirect AllocationFeb 11, 1993abuse@cogentco.com
└ 198.68.8.0/298SPRINTunknown———
└ 198.68.16.32/2816SPRINTLINKunknown———
└ 198.68.61.224/2732SPRINTLINKunknown———
└ 198.68.63.0/24256SPRINT-C6443F-2unknown———
└ 198.68.64.0/1816,384RACKDOG-CGNT-NET-16RCN (C11605114) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC
└ 198.68.128.0/198,192RACKDOG-CGNT-NET-15RCN (C11605113) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC
└ 198.68.168.0/24256SPRINTLINKunknown———
└ 198.68.170.0/298SPRINTLINKunknown———
└ 198.68.170.32/298SPRINTLINKunknown———
└ 198.68.170.40/298SPRINTLINKunknown———
└ 198.68.170.48/2816SPRINTLINKunknown———
└ 198.68.170.64/2664SPRINTLINKunknown———
└ 198.68.171.0/24256SPRINTLINKunknown———
└ 198.68.177.0/298SPRINTLINKunknown———
└ 198.68.181.32/298SPRINTLINKunknown———
└ 198.68.181.40/298SPRINTLINKunknown———
└ 198.68.183.128/25128SPRINT-C644B7-4unknown———
└ 198.68.195.0/24256SPRINT-C644C3-1Advanced Energy (ADVANC-41) · USReassignedJan 25, 2000—
└ 198.68.216.32/2732FON-332640054473037unknown———
└ 198.68.221.0/24256FON-332640179232321unknown———
└ 198.68.222.8/298SPRINTLINKunknown———
└ 198.68.222.88/298SPRINTLINKunknown———
└ 198.68.222.136/298SPRINTLINKunknown———
└ 198.68.222.160/2732SPRINTLINKunknown———
└ 198.68.222.192/2732SPRINTLINKunknown———
└ 198.68.240.0/212,048SPRINTLINKTelecom Columbia (TELECO-58) · COReassignedFeb 4, 2005—

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 provider38,25658%16
ISP proxyanonymizer24,57638%5
Residential2,0483.1%1
Business4000.61%17
Unknown2560.39%1

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 198.68.0.0/15

Prefix
198.68.0.0/15
Announced by
AS174 Cogent Communications, LLC
Type
Internet provider
Anonymizer addresses
none
RPKI
No RPKI
Netname
COGC
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