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Data as of Nov 3, 2026

83.245.104.0/22

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
Recent change
New origin Sep 2026
its first announcement on record
IPv4 market

Path

Announced by AS174 since Sep 2026 · 9 wk ago
1 · Holder
GTT - EMEA Ltd.
record created Apr 14, 2004 · reallocated to Internet Utilities Europe and Asia Limited Apr 29, 2026
2 · Leased from
IPXO
for its owner GTT - EMEA Ltd.
3 · Announced by
AS174 Cogent Communications, LLC
since Sep 2026 · 9 wk ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 83.245.104.0/22/24s
IPXO
1,024100%
4
Leased from

Owners leasing their own space

NameIn 83.245.104.0/22/24s
GTT - EMEA Ltd.
1,024100%
4

Lineage

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

83.245.104.0/22

From the registry to its use

  1. Apr 14, 2004
    Registry record
    GTT - EMEA Ltd.
    ALLOCATED PA
    83.245.0.0/17
  2. May 9, 2005– Mar 4, 2022
    Announced
    AS3356 Level 3 Parent, LLC
    as part of 83.245.0.0/17
    83.245.0.0/17
  3. Jan 23, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 83.245.0.0/17
    83.245.0.0/17
  4. Apr 29, 2026
    Reallocated
    Internet Utilities Europe and Asia Limited
    SUB-ALLOCATED PA
    83.245.104.0/22
  5. Sep 4, 2026– Nov 2, 2026
    Announced
    AS174 Cogent Communications, LLC
    Internet provider
  6. Sep 10, 2026
    Route object
    IPXO
    RADB route object for AS174 Cogent Communications, LLC, maintainer MAINT-AS834
  7. Sep 14, 2026
    Route object
    IPXO
    RIPE route object for AS174 Cogent Communications, LLC, maintainer AS3257-ROUTE-MNT AS3257-IPAM-MNT NETUTILS-MNT
  8. Oct 28, 2026
    Route object
    IPXO
    RIPE route object for AS213784 Tngnet B.V., maintainer NETUTILS-MNT
  9. Oct 29, 2026
    Route object
    IPXO
    RADB route object for AS213784 Tngnet B.V., maintainer MAINT-AS834
  10. today
    Leased from
    IPXO
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesOperatorLeased fromProxy exitsHolderRPKI
83.245.0.0/17
since Jan 2023
AS3257Internet provider14,59245%ISP proxy, VPNVPN servicesoperated by SuperUnlimited VPNIP broker IPXO (part)10GTT - 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
83.245.0.0/1732,768UK-PKXG-20040414GTT - EMEA Ltd. (ORG-PL6-RIPE) · GBALLOCATED PAApr 14, 2004[email protected]
└ 83.245.104.0/221,024IPXO-GTTInternet Utilities Europe and Asia Limited (ORG-IL687-RIPE) · GBSUB-ALLOCATED PAApr 29, 2026[email protected]

Network & registry

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
Organization
GTT - EMEA Ltd.
Handle
ORG-PL6-RIPE
Range
83.245.0.0/17
Registration type
ALLOCATED PA
Record created
Apr 14, 2004
Reallocated to
Internet Utilities Europe and Asia Limited (ORG-IL687-RIPE)
Reallocated range
83.245.104.0/22
Reallocation type
SUB-ALLOCATED PA
Reallocated
Apr 29, 2026
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