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Data as of Nov 3, 2026

84.37.23.0/24

Anonymizer · ISP proxy

Korea Telecom · space held by GTT Communications France SAS

Announcement
this exact prefix
RPKI valid
Announced by
AS4766
Type
ISP proxy
Risk
90 / 100 · Critical
IPv4 market

Path

1 · Holder
GTT Communications France SAS
record created Sep 17, 2004 · reallocated to a party the registry does not name Jul 28, 2025
2 · Leased from
GTT Communications France SAS
its owner, directly
3 · Announced by
AS4766 Korea Telecom
since Aug 2025 · 14 mo ago
4 · Use
Proxy providersnamed Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 84.37.23.0/24/24s
OxylabsTesonet
256100%
1
Leased from

Owners leasing their own space

NameIn 84.37.23.0/24/24s
GTT Communications France SAS
256100%
1

Lineage

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

84.37.23.0/24

From the registry to its use

  1. Sep 17, 2004
    Registry record
    GTT Communications France SAS
    ALLOCATED PA
    84.37.0.0/16
  2. May 9, 2005– Jan 27, 2022
    Announced
    AS4589 GTT Communications (AS4589)
    as part of 84.37.0.0/16
    84.37.0.0/16
  3. Jan 16, 2022– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 84.37.0.0/16
    84.37.0.0/16
  4. Aug 28, 2025– Nov 2, 2026
    Announced
    AS4766 Korea Telecom
    Internet provider
  5. Aug 29, 2025
    Route object
    AS4766 Korea Telecom
    RIPE route object for AS4766 Korea Telecom, maintainer AS3257-IPAM-MNT MNT-LT-CODE200-1
  6. Sep 9, 2025
    Route object
    Eleven Holdings
    RADB route object for AS4766 Korea Telecom, maintainer MAINT-AS214937
  7. today
    Leased from
    Eleven Holdings
    Lessor
  8. today
    Used
    Oxylabs
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
84.37.0.0/16
since Jan 2022
AS3257Internet provider15GTT Communications France SAS

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
84.37.0.0/1665,536FR-EASYNET-20040917GTT Communications France SAS (ORG-EA23-RIPE) · FRALLOCATED PASep 17, 2004[email protected]
└ 84.37.23.0/24256KR-E200-20080305-GTTunknownSUB-ALLOCATED PAJul 28, 2025[email protected]
via FR-EASYNET-20040917

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
IPv4 market

Holder

Holder in the market →
Organization
GTT Communications France SAS
Handle
ORG-EA23-RIPE
Range
84.37.0.0/16
Registration type
ALLOCATED PA
Record created
Sep 17, 2004
Reallocated to
Not named in the registry
Reallocated range
84.37.23.0/24
Reallocation type
SUB-ALLOCATED PA
Reallocated
Jul 28, 2025
Origin network

AS4766

KR
Name
Korea Telecom
Type
Internet provider
Registered
Apr 22, 1996
Domain
kt.com
Website
www.kt.com/eng/main.jsp
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
1