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Data as of Nov 9, 2026

194.231.21.0/24

Anonymizer · ISP proxy

Deutsche Telekom AG · space held by GTT Communications Inc.

Announcement
194.231.20.0/23
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 194.231.21.0/24/24s
Rackdog
256100%
1
Leased from

Owners leasing their own space

NameIn 194.231.21.0/24/24s
GTT Communications Inc.
256100%
1

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
194.231.0.0/16
since Oct 2023
AS3257Unknown8,19213%ISP proxyIP broker IPXO56GTT Communications Inc.

Registrations in this block

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

RangeAddressesNetnameHolderTypeCreatedAbuse contact
194.231.0.0/1665,536US-GTTCOMMUNICATIONS-19960124GTT Communications Inc. (ORG-GCI2-RIPE) · USALLOCATED PAMar 31, 2021abuse@gtt.net
└ 194.231.20.0/23512RCNRCN (ORG-RA1232-RIPE) · DESUB-ALLOCATED PAAug 8, 2025ipservices@cablefiberlink.com
└ 194.231.21.0/24256intersolute-netIntersolute GmbHSUB-ALLOCATED PANov 22, 2004ipservices@cablefiberlink.com
via RCN

A contact marked “via” is the registry's: the record names none of its own, so the registry hands down its parent's.

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
Announced by

Covering announcement 194.231.20.0/23

Prefix
194.231.20.0/23
Announced by
AS3320 Deutsche Telekom AG
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker IPXO, Rackdog
RPKI
No RPKI
Netname
RCN
Registrant
RCN
RIR
RIPE NCC
IPv4 market

Holder

Holder in the market →
Organization
GTT Communications Inc.
Handle
ORG-GCI2-RIPE
Range
194.231.0.0/16
Registration type
ALLOCATED PA
Record created
Mar 31, 2021
Reallocated to
RCN (ORG-RA1232-RIPE)
Reallocated range
194.231.20.0/23
Reallocation type
SUB-ALLOCATED PA
Reallocated
Aug 8, 2025
Origin network

AS3320

DE
Name
Deutsche Telekom AG
Type
Internet provider
Registered
Feb 23, 1995
Domain
telekom.de
Website
wholesale.telekom.com
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed