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Data as of Nov 9, 2026

212.134.168.0/23

Anonymizer · ISP proxy

Cogent Communications, LLC · space held by GTT - EMEA Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS174
Type
ISP proxy
Risk
90 / 100 · Critical
Recently moved
Recent change
New origin May 2026
from AS46559 ZGX US LLC
IPv4 market

Path

Announced by AS174 since May 2026 · 5 mo ago
1 · Holder
GTT - EMEA Ltd.
record created Jul 12, 2002
2 · Leased from
IPXO
for its owner GTT - EMEA Ltd.
3 · Announced by
AS174 Cogent Communications, LLC
since May 2026 · 5 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 212.134.168.0/23/24s
IPXO
512100%
2
Leased from

Owners leasing their own space

NameIn 212.134.168.0/23/24s
GTT - EMEA Ltd.
512100%
2

Lineage

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

212.134.168.0/23

From the registry to its use

  1. Jul 12, 2002
    Registry record
    GTT - EMEA Ltd.
    ALLOCATED PA
    212.134.0.0/15
  2. May 9, 2005– Nov 11, 2022
    Announced
    AS4589 GTT Communications (AS4589)
    as part of 212.134.0.0/15
    212.134.0.0/15
  3. Oct 31, 2022– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 212.134.0.0/15
    212.134.0.0/15
  4. Sep 15, 2025
    Reallocated
    GTT - EMEA Ltd.
    SUB-ALLOCATED PA
    212.134.128.0/17
  5. Oct 16, 2025
    Route object
    IPXO
    RADB route object for AS46559 ZGX US LLC, maintainer MAINT-AS834
  6. Oct 27, 2025– Jun 11, 2026
    Announced
    AS46559 ZGX US LLC
    Internet provider
  7. May 31, 2026– today
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  8. Jun 2, 2026
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
  9. Jun 2, 2026
    Route object
    IPXO
    RADB route object for AS152324 3XNET Co., Ltd., maintainer MAINT-AS834
  10. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
212.134.0.0/15
since Oct 2022
AS3257Internet provider7680.59%VPNVPN servicesoperated by SuperUnlimited VPNIP broker IPXO (part)728
101 always on
GTT - EMEA Ltd.

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
212.134.0.0/15131,072UK-EASYNET-990127GTT - EMEA Ltd. (ORG-EA49-RIPE) · GBALLOCATED PAJul 12, 2002abuse@gtt.net
└ 212.134.128.0/1732,768IPXO-GTTGTT - EMEA Ltd. (ORG-EA49-RIPE) · GBSUB-ALLOCATED PASep 15, 2025report@abuseradar.com
└ 212.134.168.0/23512NET-212-134-168-0-23unknownASSIGNED PAJun 2, 2026report@abuseradar.com

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT - EMEA Ltd.
Handle
ORG-EA49-RIPE
Range
212.134.0.0/15
Registration type
ALLOCATED PA
Record created
Jul 12, 2002
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
1,623