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Data as of Nov 14, 2026

194.231.0.0/21

Anonymizer · ISP proxy

Deutsche Telekom AG · space held by GTT Communications Inc.

Announcement
this exact prefix
No RPKI
Announced by
AS3320
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Communications Inc.
record created Mar 31, 2021 · reallocated to RCN Aug 8, 2025
2 · Leased from
Rackdog
for its owner GTT Communications Inc.
3 · Announced by
AS3320 Deutsche Telekom AG
since Aug 2025 · 15 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 194.231.0.0/21/24s
Rackdog
2,048100%
8
Leased from

Owners leasing their own space

NameIn 194.231.0.0/21/24s
GTT Communications Inc.
2,048100%
8

Lineage

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

194.231.0.0/21

From the registry to its use

  1. May 9, 2005– Oct 13, 2023
    Announced
    AS5669 GTT Americas, LLC
    as part of 194.231.0.0/16
    194.231.0.0/16
  2. Mar 31, 2021
    Registry record
    GTT Communications Inc.
    ALLOCATED PA
    194.231.0.0/16
  3. Oct 2, 2023– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 194.231.0.0/16
    194.231.0.0/16
  4. Aug 4, 2025– today
    Announced
    AS3320 Deutsche Telekom AG
    Internet provider
  5. Aug 8, 2025
    Reallocated
    RCN
    SUB-ALLOCATED PA
    194.231.0.0/21
  6. Aug 8, 2025
    Route object
    AS3320 Deutsche Telekom AG
    RIPE route object for AS3320 Deutsche Telekom AG, maintainer AS3257-IPAM-MNT
  7. Aug 8, 2025
    Route object
    Rackdog
    RADB route object for AS3320 Deutsche Telekom AG, maintainer MAINT-AS398465
  8. Aug 8, 2025
    Route object
    AS3491 PCCW Global (HK) Ltd.
    RIPE route object for AS3491 PCCW Global (HK) Ltd., maintainer AS3257-IPAM-MNT
  9. Aug 8, 2025
    Route object
    AS4637 Telstra Global
    RIPE route object for AS4637 Telstra Global, maintainer AS3257-IPAM-MNT
  10. Aug 8, 2025
    Route object
    AS6079 RCN
    RIPE route object for AS6079 RCN, maintainer AS3257-IPAM-MNT
  11. Aug 8, 2025
    Route object
    AS7029 Windstream Communications LLC
    RIPE route object for AS7029 Windstream Communications LLC, maintainer AS3257-IPAM-MNT
  12. Aug 8, 2025
    Route object
    AS11404 Wave Broadband
    RIPE route object for AS11404 Wave Broadband, maintainer AS3257-IPAM-MNT
  13. Aug 8, 2025
    Route object
    AS20115 Charter Communications LLC
    RIPE route object for AS20115 Charter Communications LLC, maintainer AS3257-IPAM-MNT
  14. Aug 8, 2025
    Route object
    AS54004 Cablevision Lightpath LLC
    RIPE route object for AS54004 Cablevision Lightpath LLC, maintainer AS3257-IPAM-MNT
  15. Aug 8, 2025
    Route object
    AS398465 Rackdog, LLC
    RIPE route object for AS398465 Rackdog, LLC, maintainer AS3257-IPAM-MNT
  16. today
    Leased from
    IPXO
    IP broker
  17. today
    Leased from
    Rackdog
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
194.231.0.0/16
since Oct 2023
AS3257Unknown9,47214%ISP proxyIP broker IPXO57GTT Communications Inc.

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
194.231.0.0/1665,536US-GTTCOMMUNICATIONS-19960124GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 194.231.0.0/212,048RCNRCN (ORG-RA1232-RIPE) · DESUB-ALLOCATED PAAug 8, 2025ipservices@cablefiberlink.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Stable
First seen
Aug 2025
Current origin since
Aug 2025 · 1.3 yr
Origin networks
1