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Data as of Nov 3, 2026

83.148.156.0/22

Anonymizer · ISP proxy

A1 Telekom Austria AG · space held by GTT - EMEA Ltd.

Announcement
this exact prefix
RPKI valid
Announced by
AS8447
Type
ISP proxy
Risk
90 / 100 · Critical
Recent change
New origin Sep 28, 2026
its first announcement on record
registry: sub-allocated pa to Code200 UAB by GTT - EMEA Ltd., Aug 20, 2026
IPv4 market

Path

Announced by AS8447 since Sep 28, 2026 · 5 wk ago
1 · Holder
GTT - EMEA Ltd.
record created Mar 1, 2004 · reallocated to Code200 UAB Aug 20, 2026
2 · Leased from
GTT - EMEA Ltd.
its owner, directly
3 · Announced by
AS8447 A1 Telekom Austria AG
since Sep 28, 2026 · 5 wk ago
4 · Use
Proxy providersnamed Oxylabs
ISP proxy

Operators, sellers and brokers

Proxy providers

NameParentIn 83.148.156.0/22/24s
OxylabsTesonet
1,024100%
4
Leased from

Owners leasing their own space

NameIn 83.148.156.0/22/24s
GTT - EMEA Ltd.
1,024100%
4

Lineage

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

83.148.156.0/22

From the registry to its use

  1. Mar 1, 2004
    Registry record
    GTT - EMEA Ltd.
    ALLOCATED PA
    83.148.128.0/18
  2. May 9, 2005– Nov 18, 2016
    Announced
    AS20500 GTT - EMEA Ltd.
    as part of 83.148.128.0/18
    83.148.128.0/18
  3. Nov 7, 2016– Mar 23, 2023
    Announced
    AS8190 GTT Americas, LLC
    as part of 83.148.128.0/18
    83.148.128.0/18
  4. Mar 12, 2023– Nov 2, 2026
    Announced
    AS3257 GTT Communications Inc.
    as part of 83.148.128.0/18
    83.148.128.0/18
  5. Aug 20, 2026
    Reallocated
    Code200 UAB
    SUB-ALLOCATED PA
    83.148.156.0/22
  6. Aug 21, 2026
    Route object
    IPXO
    RIPE route object for AS2497 Internet Initiative Japan Inc., maintainer AS3257-ROUTE-MNT AS3257-IPAM-MNT NETUTILS-MNT
  7. Aug 24, 2026
    Route object
    Eleven Holdings
    RADB route object for AS2497 Internet Initiative Japan Inc., maintainer MAINT-AS214937
  8. Sep 18, 2026
    Route object
    AS8447 A1 Telekom Austria AG
    RIPE route object for AS8447 A1 Telekom Austria AG, maintainer AS3257-IPAM-MNT
  9. Sep 28, 2026– Nov 2, 2026
    Announced
    AS8447 A1 Telekom Austria AG
    Internet provider
  10. today
    Leased from
    Eleven Holdings
    Lessor
  11. today
    Leased from
    IPXO
    IP broker
  12. today
    Used
    Oxylabs
    Proxy seller

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
83.148.128.0/18
since Mar 2023
AS3257Internet provider11GTT - 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
83.148.128.0/1816,384UK-EASYNET-20040301GTT - EMEA Ltd. (ORG-EA49-RIPE) · GBALLOCATED PAMar 1, 2004[email protected]
└ 83.148.156.0/221,024LT-CODE200-20080305-GTTCode200 UABSUB-ALLOCATED PAAug 20, 2026[email protected]
via UK-EASYNET-20040301

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 - EMEA Ltd.
Handle
ORG-EA49-RIPE
Range
83.148.128.0/18
Registration type
ALLOCATED PA
Record created
Mar 1, 2004
Reallocated to
Code200 UAB
Reallocated range
83.148.156.0/22
Reallocation type
SUB-ALLOCATED PA
Reallocated
Aug 20, 2026
Origin network

AS8447

AT
Name
A1 Telekom Austria AG
Type
Internet provider
Registered
Aug 27, 1997
Domain
a1.net
Website
www.a1.net/
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed