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Data as of Nov 8, 2026

198.68.0.0/15

32,768 anonymizer addresses · 25% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
71% 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 198.68.0.0/15/24s
Rackdog
32,76825%
128
Leased from

Owners leasing their own space

NameIn 198.68.0.0/15/24s
Cogent Communications, LLC
32,76825%
128

Lineage

How this block came to its use, oldest first. The whole IPv4 market →

198.68.0.0/15

From the registry to its use

  1. Feb 11, 1993
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    198.67.0.0 - 198.70.255.255
  2. Jul 16, 1998
    Route object
    AS10254 Watson Wyatt Worldwide
    RADB route object for AS10254 Watson Wyatt Worldwide, maintainer MAINT-AS174
    198.69.174.0/24
  3. Feb 2, 1999
    Route object
    AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services
    RADB route object for AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services, maintainer MAINT-AS1828
    198.69.26.0/24
  4. Apr 13, 2001
    Route object
    AS3491 PCCW Global (HK) Ltd.
    RADB route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-AS3491
    198.69.130.0/24
  5. Sep 5, 2003
    Route object
    AS3491 PCCW Global (HK) Ltd.
    RADB route object for AS3491 PCCW Global (HK) Ltd., maintainer MAINT-AS3491
    198.69.128.0/20
  6. May 9, 2005– May 16, 2024
    Announced
    AS1239 Cogent Communications, LLC
  7. Jun 7, 2005
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    198.69.186.0/23
  8. Jun 7, 2005
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    198.69.188.0/22
  9. Apr 20, 2007
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    198.68.193.0/24
  10. Jan 20, 2009
    Route object
    AS26515 City of Fort Myers
    RADB route object for AS26515 City of Fort Myers, maintainer MAINT-AS7795
    198.68.180.0/24
  11. Feb 25, 2013
    Route object
    AS7029 Windstream Communications LLC
    RADB route object for AS7029 Windstream Communications LLC, maintainer MAINT-AS7029
    198.68.2.0/23
  12. Aug 8, 2013
    Route object
    AS22663 Prominic.NET, Inc.
    RADB route object for AS22663 Prominic.NET, Inc., maintainer MAINT-AS7922
    198.68.2.0/23
  13. Feb 26, 2014
    Route object
    AS1239 Cogent Communications, LLC
    RADB route object for AS1239 Cogent Communications, LLC, maintainer MAINT-AS7795
    198.69.224.0/22
  14. Feb 26, 2014
    Route object
    AS1239 Cogent Communications, LLC
    RADB route object for AS1239 Cogent Communications, LLC, maintainer MAINT-AS7795
    198.69.228.0/23
  15. Feb 26, 2014
    Route object
    AS1239 Cogent Communications, LLC
    RADB route object for AS1239 Cogent Communications, LLC, maintainer MAINT-AS7795
    198.69.230.0/24
  16. Sep 2, 2016
    Route object
    AS26084 PCI
    RADB route object for AS26084 PCI, maintainer MAINT-AS27506
    198.69.9.0/24
  17. Nov 11, 2016
    Route object
    AS16657 Crown Castle Fiber LLC
    RADB route object for AS16657 Crown Castle Fiber LLC, maintainer MAINT-AS27506
    198.69.9.0/24
  18. Oct 17, 2018
    Route object
    AS23446
    RADB route object for AS23446, maintainer MAINT-RR
    198.68.170.0/24
  19. Oct 17, 2018
    Route object
    AS23446
    RADB route object for AS23446, maintainer MAINT-RR
    198.68.171.0/24
  20. Oct 17, 2018
    Route object
    AS27209 JAB Wireless, INC.
    RADB route object for AS27209 JAB Wireless, INC., maintainer MAINT-RR
    198.68.198.0/23
  21. Oct 17, 2018
    Route object
    AS27209 JAB Wireless, INC.
    RADB route object for AS27209 JAB Wireless, INC., maintainer MAINT-RR
    198.68.204.0/22
  22. Oct 17, 2018
    Route object
    AS17054 Expedient
    RADB route object for AS17054 Expedient, maintainer MAINT-RR
    198.69.32.0/19
  23. Oct 17, 2018
    Route object
    AS27209 JAB Wireless, INC.
    RADB route object for AS27209 JAB Wireless, INC., maintainer MAINT-RR
    198.69.241.0/24
  24. Mar 31, 2020
    Route object
    AS13649 Flexential Colorado Corp.
    RADB route object for AS13649 Flexential Colorado Corp., maintainer MAINT-FLEXENTIAL
    198.69.110.0/24
  25. Aug 21, 2020
    Route object
    AS19905 Vercara, LLC
    RADB route object for AS19905 Vercara, LLC, maintainer MAINT-AS19905
    198.68.193.0/24
  26. May 11, 2021
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
  27. Mar 24, 2022
    Route object
    AS270118 Soluciones, Analiticos y Servicios Team
    ALTDB route object for AS270118 Soluciones, Analiticos y Servicios Team, maintainer MAINT-SPRINT
    198.68.0.0/16
  28. Jan 11, 2023
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
    198.68.171.0/24
  29. Jun 6, 2023
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
  30. Jun 6, 2023
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
    198.68.171.0/24
  31. May 5, 2024– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  32. Jan 1, 2025
    Route object
    AS27524
    ALTDB route object for AS27524, maintainer MAINT-GULER
    198.69.0.0/22

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.
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
198.69.12.0/23
since Aug 2015
AS30873ResidentialCogent Communications, LLC
198.69.64.0/19
since Dec 2025
AS4637ISP proxyIP broker RackdogCogent Communications, LLC
198.69.180.0/24
since Sep 2016
AS27013BusinessCogent Communications, LLC
via CenturyLink 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
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—
└ 198.69.32.0/2816SPRINTLINKunknown———
└ 198.69.32.48/2816SPRINTLINKunknown———
└ 198.69.32.80/2816SPRINTLINKunknown———
└ 198.69.33.32/2816SPRINTLINKunknown———
└ 198.69.33.48/2816SPRINTLINKunknown———
└ 198.69.34.0/2816SPRINTLINKunknown———
└ 198.69.34.112/2816SPRINTLINKunknown———
└ 198.69.35.16/2816SPRINTLINKunknown———
└ 198.69.35.48/2816SPRINTLINKunknown———
└ 198.69.35.64/2816SPRINTLINKunknown———
└ 198.69.64.0/198,192RACKDOG-CGNT-NET-17RCN (C11605115) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC
└ 198.69.104.64/2664FON-332643744078123unknown———
└ 198.69.162.32/2732SPRINTLINKunknown———
└ 198.69.162.128/25128SPRINTLINKunknown———
└ 198.69.180.0/24256SL-CTL-EMBQ-198-69-180-0-1CenturyLink Communications, LLC (CCL-534) · USReallocatedDec 28, 2020abuse@aup.lumen.com

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

131,072 addresses
TypeAddressesShareRanges
Internet provider93,23271%31
ISP proxyanonymizer32,76825%6
Residential3,8402.9%7
Business9760.74%30
Unknown2560.20%1

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