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Data as of Nov 6, 2026

206.158.0.0/15

49,152 anonymizer addresses · 38% · ISP proxy

Cogent Communications, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS174
Type
Internet provider
42% of it

Residential-proxy exits

Proxy exits
10
<0.01% of its addresses · listed by providers
Spread
4 of 512
/24s with at least one exit
Providers
15
selling exits here

/24s with the most always-on exits

/24Always-on exitsProxy exits
206.159.162.0/2406
206.158.6.0/2402
206.159.159.0/2401
206.159.165.0/2401

Proxy providers listing exits

  • AnyIP
  • BlurPath
  • CliProxy
  • ColaProxy
  • FastProxy
  • FloppyData
  • IPFly
  • IPPeak
  • LemonBright
  • MoMoProxy
  • NovProxy
  • NovaProxy
  • ProxyGeo
  • PuraRoute
  • Thordata
IPv4 market

Path

1 · Holder
Cogent Communications, LLC
record created Oct 6, 1995
2 · Leased from
Rackdog
for its owner Cogent Communications, LLC
3 · Announced by
AS174 Cogent Communications, LLC
since Jun 2025 · 17 mo ago
4 · Use
Internet provider
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 206.158.0.0/15/24s
Rackdog
49,15238%
192
Leased from

Owners leasing their own space

NameIn 206.158.0.0/15/24s
Cogent Communications, LLC
40,96031%
160

Lineage

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

206.158.0.0/15

From the registry to its use

  1. Oct 6, 1995
    Registry record
    Cogent Communications, LLC
    Direct Allocation (legacy, pre-1997)
    206.158.0.0 - 206.160.255.255
  2. Jan 28, 2000
    Route object
    AS14099 otto Host LLC
    RADB route object for AS14099 otto Host LLC, maintainer MAINT-AS1828
    206.159.135.0/24
  3. May 9, 2005– Sep 19, 2023
    Announced
    AS1239 Cogent Communications, LLC
  4. Aug 11, 2005
    Route object
    AS12273 Transunion Interactive, Inc.
    ALTDB route object for AS12273 Transunion Interactive, Inc., maintainer MAINT-AS14589
    206.159.99.0/24
  5. Mar 10, 2006
    Route object
    AS31827 Biz Net Technologies
    NTTCOM route object for AS31827 Biz Net Technologies, maintainer MAINT-SHENTEL
    206.158.104.0/22
  6. Dec 1, 2009
    Route object
    AS31827 Biz Net Technologies
    RADB route object for AS31827 Biz Net Technologies, maintainer MAINT-AS7795
    206.158.104.0/22
  7. Dec 16, 2010
    Route object
    AS27462
    RADB route object for AS27462, maintainer MAINT-CHTR-WD
    206.159.96.0/23
  8. May 11, 2021
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
    206.158.0.0/16
  9. Jun 6, 2023
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-COGC
    206.158.0.0/16
  10. Nov 19, 2023– Jun 28, 2025
    Announced
    AS1239 Cogent Communications, LLC
  11. Nov 30, 2023
    Route object
    AS1239 Cogent Communications, LLC
    ARIN route object for AS1239 Cogent Communications, LLC, maintainer MNT-COGC
  12. Apr 3, 2025
    Route object
    AS328867 Corebach Backbone SARL
    ALTDB route object for AS328867 Corebach Backbone SARL, maintainer MAINT-GULER
    206.159.100.0/24
  13. Jun 17, 2025– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  14. Aug 26, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
    206.159.32.0/20
  15. Aug 26, 2025
    Route object
    Rackdog
    RADB route object for AS6079 RCN, maintainer MAINT-AS398465
    206.159.48.0/20

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

Arrived
PrefixOriginTypeLeased fromProxy exitsHolderRPKI
206.158.2.0/24
since May 2005
AS15142BusinessCogent Communications, LLC
206.158.4.0/22
since Nov 2012
AS32614Residential2Cogent Communications, LLC
206.158.62.0/23
since Nov 2005
AS21729BusinessCogent Communications, LLC
206.158.128.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.144.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.160.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.176.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.192.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.208.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.224.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.158.240.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.159.0.0/20
since Aug 2025
AS11404ISP proxyIP broker RackdogCogent Communications, LLC
206.159.16.0/20
since Sep 2025
AS7459ISP proxyIP broker RackdogCogent Communications, LLC
206.159.118.0/23
since Nov 2012
AS32614ResidentialCogent Communications, LLC
206.159.152.0/21
since May 2005
AS29968Residential1Cogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.152.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.154.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.156.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.158.0/23
since Jun 2023
AS29968Residential1Cogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.160.0/21
since May 2005
AS29968Residential7Cogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.160.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.162.0/23
since Jun 2023
AS29968Residential6Cogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.164.0/23
since Jun 2023
AS29968Residential1Cogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.166.0/23
since Jun 2023
AS29968ResidentialCogent Communications, LLC
via Dunkirk & Fredonia Telephone Company
206.159.176.0/20
since May 2005
AS11398ResidentialCogent Communications, LLC
via Sprint United Telephone Western Region
206.159.192.0/18
since May 2005
AS2828UnknownCogent 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
206.158.0.0 - 206.160.255.255196,608COGCCogent Communications, LLC (COGC) · USDirect AllocationOct 6, 1995abuse@cogentco.com
└ 206.158.2.0/24256SPRINT-CE9E02Automated Data Systems, Inc (ADSI) · USReassignedOct 18, 1995—
└ 206.158.4.0/221,024SPRINTLINKHigh Desert Internet Services (DD-85) · USReassignedJan 29, 2013—
└ 206.158.32.96/2732SPRINTLINKunknown———
└ 206.158.60.0/2664SPRINTLINKunknown———
└ 206.158.60.96/2732SPRINTLINKunknown———
└ 206.158.62.0/23512SPRINTLINKCrown Equipment Corporation (CEC-121) · USReassignedAug 1, 2005network.admins@crown.com
└ 206.158.104.56/298SPRINTLINKunknown———
└ 206.158.104.112/2816SPRINTLINKunknown———
└ 206.158.104.128/298SPRINTLINKunknown———
└ 206.158.104.144/298SPRINTLINKunknown———
└ 206.158.104.152/298SPRINTLINKunknown———
└ 206.158.104.160/2732SPRINTLINKunknown———
└ 206.158.106.0/23512SPRINTLINKunknown———
└ 206.158.112.0/24256SPRINTLINKunknown———
└ 206.158.128.0/1732,768RACKDOG-CGNT-NET-43RCN (C11605238) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC
└ 206.159.0.0/1816,384RACKDOG-CGNT-NET-44RCN (C11605239) · USReassignedMay 27, 2026abuse@cogentco.com
via COGC
└ 206.159.98.48/2816SPRINTLINKunknown———
└ 206.159.98.64/2732SPRINTLINKunknown———
└ 206.159.101.0/24256FON-34665525765801unknown———
└ 206.159.110.0/24256SPRINTLINKunknown———
└ 206.159.111.64/2816SPRINTLINKunknown———
└ 206.159.111.80/2816SPRINTLINKunknown———
└ 206.159.118.0/23512SPRINTLINKHigh Desert Internet Services (DD-85) · USReassignedJan 29, 2013—
└ 206.159.122.16/2816SPRINTLINKunknown———
└ 206.159.136.104/298SPRINTLINKunknown———
└ 206.159.148.128/298SPRINTLINKunknown———
└ 206.159.148.137/321SPRINTLINKunknown———
└ 206.159.148.176/2816SPRINTLINKunknown———
└ 206.159.149.48/2816SPRINTLINKunknown———
└ 206.159.152.0/212,048SPRINT-CE9F98-1Dunkirk & Fredonia Telephone Company (DFT) · USReallocatedNov 19, 1998—
└ 206.159.152.0 - 206.159.152.6263CHAUTCO-NETunknown———
└ 206.159.154.32/2816SVCPRINT-NETunknown———
└ 206.159.154.56/298CHAUCONN-NETunknown———
└ 206.159.154.64/298CCCHAMBER-NETunknown———
└ 206.159.154.72/298CATHOLICCHAR-NETunknown———
└ 206.159.154.80/298DRILLINGCOMPANY-NETunknown———
└ 206.159.154.88/298CHAUTLEGALSERVICES-NETunknown———
└ 206.159.158.0/24256CNERD-NETunknown———
└ 206.159.159.96/2816PATHTRUCK-NETunknown———
└ 206.159.159.128/2816BROOKSMEMHOSP-NETunknown———
└ 206.159.159.144/2816EASYBENEFITS-NETunknown———
└ 206.159.159.161 - 206.159.159.22363GRAFCOWIFI-NETunknown———
└ 206.159.159.224/298DUNKAVIATION-NETunknown———
└ 206.159.159.232 - 206.159.159.24312DAWSONMETAL-NETunknown———
└ 206.159.160.0/212,048SPRINT-CE9FA0-2Dunkirk & Fredonia Telephone Company (DFT) · USReallocatedNov 19, 1998—
└ 206.159.162.0/24256JAMESTOWNBPU-POWERBBunknown———
└ 206.159.176.0/204,096SPRINT-CE9FB0-1Sprint United Telephone Western Region (SPWR) · USReallocatedNov 30, 1998—
└ 206.159.177.0/24256SLTD-CE9FB100-020213unknown———
└ 206.159.178.0/25128BOYD-GAMING-BLK1unknown———
└ 206.159.178.128/2664SLTD-CE9FB280-010201unknown———
└ 206.159.179.0/25128SLTD-CE9FB300-011019unknown———
└ 206.159.179.128/25128SLTD-CE9FB380-011017unknown———
└ 206.159.180.0/24256PHUTunknown———
└ 206.159.181.0/24256SLTD-CE9FB500-010226unknown———
└ 206.159.182.0/2664SPRINTLTD-CE9FB600unknown———
└ 206.159.182.64/2664LASVEGAS-HARLEY-BLK1unknown———
└ 206.159.182.224/2732DDCP-BLK1unknown———
└ 206.159.183.32/2732RIVERSIDE-RES-BLK1unknown———
└ 206.159.183.64/2732SPRINTLTD-CE9FB740unknown———
└ 206.159.183.128/2732MORGANBUSSYS-BLK1unknown———
└ 206.159.183.160/2732BOLARI-RECORDS-BLK1unknown———
└ 206.159.183.192/298TREASURE-ISLAND-BLK1unknown———
└ 206.159.183.200/298HENDERSON-DIST-BLK1unknown———
└ 206.159.183.208/298SLTD-CE9FB7D0-011213unknown———
└ 206.159.183.216/298KEEFER-OREILLY-BLK1unknown———
└ 206.159.183.224/2732MIRAGE-RESORTS-BLK1unknown———
└ 206.159.184.0/24256SLTD-CE9FB800-010226unknown———
└ 206.159.185.0/25128SLTD-CE9FB900-010122unknown———
└ 206.159.185.128/25128SPRINTLTD-CE9FB980unknown———
└ 206.159.186.0/2664TRAVEL-SWITCH-BLK1unknown———
└ 206.159.186.64/2732WIDE-WORLD-PROMO-BLK1unknown———
└ 206.159.186.96/298SLTD-CM-REPROGRAPHICSunknown———
└ 206.159.186.104/298SLTD-CE9FBA68-010712unknown———
└ 206.159.186.112/298SPRINTLTD-CE9FBA70unknown———
└ 206.159.186.120/298SPRINTLTD-CE9FBA78unknown———
└ 206.159.186.128/2732SLTD-CE9FBA80-001201unknown———
└ 206.159.186.160/2732SPRINTLTD-CE9FBAA0unknown———
└ 206.159.186.192/2732KLAS-TV-CHANNEL8-BLK1unknown———
└ 206.159.186.224/2732SPRINTLTD-CE9FBAE0unknown———
└ 206.159.187.0/24256SKYLYNX-COMM-BLK1unknown———
└ 206.159.188.0/24256SKYLYNX-COMM-BLK4unknown———

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 provider54,68742%21
ISP proxyanonymizer49,15238%12
Unknown16,38413%1
Residential8,1666.2%23
Business2,6832.0%62

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