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Data as of Nov 9, 2026

66.17.128.0/17

11,264 anonymizer addresses · 34% · ISP proxy9 residential-proxy exits · 30 days

GTT Communications Inc. · space held by GTT Americas, LLC

Announcement
this exact prefix
No RPKI
Announced by
AS3257
Type
Internet provider
56% of it

Residential-proxy exits

Proxy exits
9
0.03% of its addresses · 30 days
Spread
7 of 128
/24s with at least one exit
Providers
7
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

195 observations
  • ISP proxy · anonymizer
  • Internet provider

/24s with the most always-on exits

/24Always-on exitsProxy exits
66.17.192.0/2402
66.17.228.0/2402
66.17.189.0/2401
66.17.193.0/2401
66.17.230.0/2401
66.17.237.0/2401
66.17.239.0/2401

Proxy providers listing exits

  • Ake.net
  • GSocks
  • IPFly
  • Kookey
  • Novada
  • Proxyma
  • PuraRoute
IPv4 market

Path

1 · Holder
GTT Americas, LLC
record created Nov 18, 2002
2 · Leased from
IPNetZone
for its owner GTT Americas, LLC
3 · Announced by
AS3257 GTT Communications Inc.
since Jun 2018 · 8.4 yr ago
4 · Use
Proxy providersnamed Ipway
Internet provider

Operators, sellers and brokers

Proxy providers

NameParentIn 66.17.128.0/17/24s
Ipway
7,16822%
28
Leased from

IP brokers

NameIn 66.17.128.0/17/24s
IPNetZone
1,5364.7%
6
Leased from

Owners leasing their own space

NameIn 66.17.128.0/17/24s
GTT Americas, LLC
11,26434%
44

Lineage

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

66.17.128.0/17

From the registry to its use

  1. Nov 18, 2002
    Registry record
    GTT Americas, LLC
    Direct Allocation
    66.17.128.0/17
  2. May 9, 2005– Jun 29, 2018
    Announced
    AS6517 LAKENETWORKS
    Hosting
  3. Jun 8, 2011
    Route object
    AS6517 LAKENETWORKS
    RADB route object for AS6517 LAKENETWORKS, maintainer MAINT-AS3257
    66.17.189.0/24
  4. Aug 14, 2012
    Route object
    AS46401 OmniSync Networks
    RADB route object for AS46401 OmniSync Networks, maintainer MAINT-AS3257
    66.17.189.0/24
  5. Jun 18, 2018– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  6. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.144.0/21
  7. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.160.0/21
  8. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.168.0/22
  9. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.176.0/22
  10. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.180.0/22
  11. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.192.0/21
  12. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.200.0/21
  13. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.208.0/22
  14. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.224.0/20
  15. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.240.0/21
  16. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.248.0/22
  17. Apr 11, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    RADB route object for AS199527 UAB 'Bite Lietuva', maintainer MAINT-AS3257
    66.17.252.0/23
  18. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.144.0/21
  19. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.160.0/21
  20. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.192.0/21
  21. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.200.0/21
  22. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.224.0/20
  23. May 7, 2025
    Route object
    AS199527 UAB 'Bite Lietuva'
    ARIN route object for AS199527 UAB 'Bite Lietuva', maintainer MNT-GAL-104
    66.17.240.0/21
  24. Aug 27, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-GAL-104
    66.17.144.0/22
  25. Aug 27, 2025
    Route object
    AS6079 RCN
    ARIN route object for AS6079 RCN, maintainer MNT-GAL-104
    66.17.216.0/22
  26. Apr 6, 2026
    Route object
    AS16740 DOXX.NET Corporation
    ARIN route object for AS16740 DOXX.NET Corporation, maintainer MNT-GAL-104
    66.17.157.0/24
  27. Apr 6, 2026
    Route object
    AS16740 DOXX.NET Corporation
    ARIN route object for AS16740 DOXX.NET Corporation, maintainer MNT-GAL-104
    66.17.187.0/24
  28. today
    Used
    Ipway
    Proxy seller

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
PrefixOriginTypeOperatorLeased fromProxy exitsHolderRPKI
66.17.128.0/24
since Mar 2021
AS32256HostingGTT Americas, LLC
66.17.129.0/24
since Mar 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via RCN
66.17.130.0/23
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.132.0/22
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.136.0/22
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.140.0/24
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.141.0/24
since Jul 2011
AS23029UnknownGTT Americas, LLC
66.17.142.0/24
since Aug 2010
AS17352BusinessGTT Americas, LLC
66.17.143.0/24
since May 2026
AS401322HostingGTT Americas, LLC
via NetO Corp
66.17.148.0/22
since Nov 3, 2026
AS265627ResidentialGTT Americas, LLC
66.17.148.0/24
since Nov 3, 2026
AS265627ResidentialGTT Americas, LLC
66.17.156.0/24
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.158.0/23
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.172.0/23
since Mar 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via IPNetZone
66.17.174.0/23
since Mar 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via IPNetZone
66.17.184.0/24
since Mar 2026
AS20001ISP proxyIP broker IPNetZoneGTT Americas, LLC
via IPNetZone
66.17.185.0/24
since Oct 2010
AS15238BusinessGTT Americas, LLC
66.17.192.0/23
since Dec 2025
AS199527ISP proxy3GTT Americas, LLC
66.17.200.0/22
since Dec 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.204.0/22
since Dec 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.213.0/24
since Mar 2025
AS199527UnknownGTT Americas, LLC
66.17.214.0/23
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.220.0/24
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.221.0/24
since May 2005
AS15238BusinessGTT Americas, LLC
66.17.222.0/23
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.228.0/22
since Dec 2025
AS199527ISP proxy3GTT Americas, LLC
66.17.236.0/22
since Dec 2025
AS199527ISP proxy2GTT Americas, LLC
66.17.254.0/24
since Mar 2025
AS199527ISP proxyProxy providerssold by IpwayGTT Americas, LLC
66.17.255.0/24
since May 2005
AS32256HostingGTT Americas, 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
66.17.128.0/1732,768RGS-BLK6GTT Americas, LLC (GAL-104) · USDirect AllocationNov 18, 2002abuse@gtt.net
└ 66.17.128.0/24256YIPS-CYBERLINK-S121702Cyberlink USA (CYBER-12) · USReassignedDec 17, 2002—
└ 66.17.129.0/24256GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026ipabuse@unsi.net
└ 66.17.129.0/24256GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026ipabuse@unsi.net
└ 66.17.129.0/24256RCN-GTTRCN (RTSL-6) · USReallocatedOct 23, 2026abuse@rcn.com
└ 66.17.130.0/23512BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.132.0/221,024BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.136.0/221,024BITE-HRS-GTTunknownReassignedMar 27, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.140.0/24256BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.141.0/24256YIPS-ESTC-S011003E Street Communications (ESTC) · USReassignedJan 13, 2003hostmaster@estreet.com
└ 66.17.142.0/24256RGS-FREEZE-BLK2-S07222009Freeze Frame Graphics (FFG-17) · USReassignedJul 22, 2009ffg@ffgraphics.com
└ 66.17.143.0/24256NETO-X-GTTNetO Corp (NC-1197) · USReallocatedMay 11, 2026jennifer@neto-x.com
└ 66.17.144.0/221,024GTT-BITE-HRS-NETunknown———
└ 66.17.148.0/221,024NIDIX-NET-GTTNidix Networks (C11739960) · MXReassignedOct 16, 2026abuse@gtt.net
via RGS-BLK6
└ 66.17.152.0/221,0243ROOMS-GTTunknown———
└ 66.17.156.0/24256BITE-HRS-GTTunknownReassignedMar 27, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.157.0/24256DOXX-NET-CORPORATION-GTTunknown———
└ 66.17.158.0/23512BITE-HRS-GTTunknownReassignedMar 27, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.160.0/212,048BITE-HRS-GTTunknown———
└ 66.17.168.0/221,024BITE-GTTunknown———
└ 66.17.172.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026ipabuse@unsi.net
└ 66.17.172.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026ipabuse@unsi.net
└ 66.17.174.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026ipabuse@unsi.net
└ 66.17.174.0/23512GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026ipabuse@unsi.net
└ 66.17.176.0/221,024BITE-GTTunknown———
└ 66.17.184.0/24256GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 25, 2026ipabuse@unsi.net
└ 66.17.184.0/24256GTT-CUSTOMERIPNetZone (IPNET-1) · USReallocatedFeb 26, 2026ipabuse@unsi.net
└ 66.17.185.0/24256RGS-66-17-185-0Bill & Melinda Gates Foundation (C02581172) · USReassignedSep 3, 2010abuse@gtt.net
via RGS-BLK6
└ 66.17.186.64/2664YIPS-66-17-186-64unknown———
└ 66.17.187.0/24256DOXX-NET-CORPORATION-GTTunknown———
└ 66.17.188.0/24256GTT-CUSTOMERunknown———
└ 66.17.189.0/298GTT-CUSTOMER-GTTunknown———
└ 66.17.189.8/298HERTZ-GTTunknown———
└ 66.17.189.16/2816AUTONATION-GTTunknown———
└ 66.17.189.32/298CONNECTIONS-ACADEMY-GTTunknown———
└ 66.17.189.40/304SANGOMA-US-INC-GTTunknown———
└ 66.17.189.44/304CROCS-GTTunknown———
└ 66.17.189.48/298CARRIER-GTTunknown———
└ 66.17.189.56/298SKANSKA-USA-INC-GTTunknown———
└ 66.17.189.64/2816THE-FOOTBALL-ASSOCIATION-GTTunknown———
└ 66.17.189.80/298BROWN-BROWN-GTTunknown———
└ 66.17.189.88/298HERTZ-GTTunknown———
└ 66.17.189.96/298KEY-BANK-GTTunknown———
└ 66.17.189.128/304AMERICAN-EXPRESS-GTTunknown———
└ 66.17.189.132/304CHEP-BRAMBLES-GTTunknown———
└ 66.17.189.136/298SCHNEIDER-FREIGHT-USA-INC-GTTunknown———
└ 66.17.189.144/298ROCKWELL-COLLINS-GTTunknown———
└ 66.17.189.152/298LAND-BANK-OF-TAIWAN-HOUSTON-GTTunknown———
└ 66.17.189.160/298USE-A-SITE-GTTunknown———
└ 66.17.189.168/298APPTRONICK-GTTunknown———
└ 66.17.189.176/298APPTRONICK-GTTunknown———
└ 66.17.189.192/298EXPRESS-SCRIPTS-GTTunknown———
└ 66.17.189.224/298ORANGE-BUSINESS-SERVICES-GTTunknown———
└ 66.17.189.232/298LYNCH-BIOLOGICS-LLC-GTTunknown———
└ 66.17.189.240/304AMERICAN-EXPRESS-GTTunknown———
└ 66.17.189.244/304CHEP-BRAMBLES-GTTunknown———
└ 66.17.189.248/298BROADCOM-CORPORATION-GTTunknown———
└ 66.17.190.8/298EXPRESS-SCRIPTS-GTTunknown———
└ 66.17.190.16/298MIDDLEBY-MARSHALL-INC-GTTunknown———
└ 66.17.190.24/298HDT-GLOBAL-GTTunknown———
└ 66.17.190.32/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.40/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.48/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.56/298KEY-BANK-GTTunknown———
└ 66.17.190.64/298PRENUVO-OF-CALIFORNIA-P-C-GTTunknown———
└ 66.17.190.72/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.80/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.88/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.96/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.104/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.112/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.120/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.128/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.136/304USPS-OFFICE-OF-THE-INSPECTOR-GENERAL-GTTunknown———
└ 66.17.190.140/304ENVIRONMENTAL-SYSTEMS-RESEARCH-INSTITUTE-INC-GTTunknown———
└ 66.17.190.144/298PRENUVO-OF-CALIFORNIA-P-C-GTTunknown———
└ 66.17.190.152/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.160/298MARSH-MCLENNAN-LLC-GTTunknown———
└ 66.17.190.168/298WATTS-WATER-TECHNOLOGY-GTTunknown———
└ 66.17.190.176/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.190.184/298GRAPHIC-CONTROLS-ACQUISITION-CORP-GTTunknown———
└ 66.17.190.192/298DOW-GTTunknown———
└ 66.17.190.200/298SOLENIS-GTTunknown———
└ 66.17.190.208/298HDT-GLOBAL-GTTunknown———
└ 66.17.190.216/298UK-CLOUD-CONNECTIVITY-LIMITED-GTTunknown———
└ 66.17.190.224/298SQM-COMMERCIAL-DE-MEXICO-SA-DE-CV-GTTunknown———
└ 66.17.190.232/298SQM-COMMERCIAL-DE-MEXICO-SA-DE-CV-GTTunknown———
└ 66.17.190.240/298SQM-COMMERCIAL-DE-MEXICO-SA-DE-CV-GTTunknown———
└ 66.17.190.248/298ARCH-CAPITAL-SERVICES-LLC-GTTunknown———
└ 66.17.191.0/24256GTT-CUSTOMERunknown———
└ 66.17.192.0/212,048BITE-GTTBite (C11090886) · USReassignedFeb 4, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.200.0/212,048BITE-HRS-GTTBite-HRS (C11090895) · USReassignedFeb 4, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.212.0/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.212.8/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.212.32/304USPS-OFFICE-OF-THE-INSPECTOR-GENERAL-GTTunknown———
└ 66.17.212.48/298ARCH-CAPITAL-SERVICES-LLC-GTTunknown———
└ 66.17.212.56/298ARCH-CAPITAL-SERVICES-LLC-GTTunknown———
└ 66.17.212.64/298ARCH-CAPITAL-SERVICES-LLC-GTTunknown———
└ 66.17.212.72/298PEOPLE-S-CHOICE-COMMUNICATIONS-GTTunknown———
└ 66.17.212.80/298PEOPLE-S-CHOICE-COMMUNICATIONS-GTTunknown———
└ 66.17.212.88/298PEOPLE-S-CHOICE-COMMUNICATIONS-GTTunknown———
└ 66.17.212.96/298PEOPLE-S-CHOICE-COMMUNICATIONS-GTTunknown———
└ 66.17.212.104/298ST-FRANCIS-MEDICAL-PARTNERS-CROSBY-CLINIC-GTTunknown———
└ 66.17.212.112/298PERMIRA-GTTunknown———
└ 66.17.212.120/304AMERICAN-EXPRESS-GTTunknown———
└ 66.17.212.124/304DREAMBIG-SEMICONDUCTOR-CANADA-LTD-GTTunknown———
└ 66.17.212.128/298LANDMARK-CINEMAS-CANADA-LIMITED-PARTNERSHIP-GTTunknown———
└ 66.17.212.136/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.212.144/298KEY-SAFETY-SYSTEMS-INC-GTTunknown———
└ 66.17.212.152/298LANDMARK-CINEMAS-CANADA-LIMITED-PARTNERSHIP-GTTunknown———
└ 66.17.212.172/304AVI-SPL-GTTunknown———
└ 66.17.212.176/298LANDMARK-CINEMAS-CANADA-LIMITED-PARTNERSHIP-GTTunknown———
└ 66.17.212.184/298LANDMARK-CINEMAS-CANADA-LIMITED-PARTNERSHIP-GTTunknown———
└ 66.17.212.192/298LANDMARK-CINEMAS-CANADA-GTTunknown———
└ 66.17.212.200/298LANDMARK-CINEMAS-CANADA-GTTunknown———
└ 66.17.212.208/298LANDMARK-CINEMAS-CANADA-GTTunknown———
└ 66.17.212.216/298STATE-FARM-INSURANCE-GTTunknown———
└ 66.17.212.224/298SAINT-FRANCIS-MEDICAL-PARTNERS-GTTunknown———
└ 66.17.212.232/298SOUTH-TEXAS-COLORECTAL-CENTER-GTTunknown———
└ 66.17.212.240/298USPI-GTTunknown———
└ 66.17.212.248/298SAINT-FRANCIS-CARDIOLOGY-ASSOCIATES-GTTunknown———
└ 66.17.214.0/23512BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.216.0/221,024BITE-HRS-GTTunknown———
└ 66.17.220.0/24256BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.221.0/24256YIPS-BMGF-1-S011604Bill & Melinda Gates Foundation (C00747226) · USReassignedJan 21, 2004abuse@gtt.net
via RGS-BLK6
└ 66.17.222.0/23512BITE-HRS-GTTunknownReassignedMar 28, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.224.0/204,096BITE-GTTBite (C11090838) · USReassignedFeb 4, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.240.0/212,048BITE-HRS-GTTunknown———
└ 66.17.248.0/221,024BITE-HRS-GTTunknown———
└ 66.17.252.0/23512BITE-HRS-GTTunknown———
└ 66.17.254.0/24256BITE-HRS-GTTunknownReassignedMar 27, 2025abuse@gtt.net
via RGS-BLK6
└ 66.17.255.0/24256YIPS-CYBER-12-S061004Cyberlink USA (CYBER-12) · USReassignedJun 10, 2004—

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

32,768 addresses
TypeAddressesShareRanges
Internet provider18,42456%13
ISP proxyanonymizer11,26434%20
Residential1,0243.1%2
Business7762.4%4
Hosting7682.3%3
Unknown5121.6%2

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Origin network

AS3257

US
Name
GTT Communications Inc.
Type
Internet provider
Registered
Sep 30, 1994
Domain
gtt.net
Website
www.gtt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
239