Data as of Nov 13, 2026

72.13.252.0/24

Anonymizer · ISP proxy

GTT Communications Inc. · space held by GTT Americas, LLC

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

Path

1 · Holder
record created Nov 16, 2004 · reallocated to Arisk Communications inc. Apr 30, 2025
2 · Leased from
3 · Announced by
AS3257 GTT Communications Inc.
since Aug 2025 · 15 mo ago
4 · Use
ISP proxy
anonymizer space, operator not named

Operators, sellers and brokers

Leased from

IP brokers

NameIn 72.13.252.0/24/24s
ARISK
256100%
1

Lineage

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

72.13.252.0/24

From the registry to its use

  1. Nov 16, 2004
    Registry record
    GTT Americas, LLC
    Direct Allocation
    72.13.224.0/19
  2. May 9, 2005– Aug 1, 2005
    Announced
    AS23343 Transbeam Inc.
    as part of 72.13.224.0/19
    72.13.224.0/19
  3. Aug 8, 2005– Nov 27, 2019
    Announced
    AS6459 I-2000, Inc.
    as part of 72.13.224.0/19
    72.13.224.0/19
  4. Nov 16, 2019– today
    Announced
    AS3257 GTT Communications Inc.
    as part of 72.13.224.0/19
    72.13.224.0/19
  5. Apr 30, 2025
    Reallocated
    Arisk Communications inc.
    Reallocated
    72.13.252.0/24
  6. Apr 30, 2025– May 11, 2025
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  7. May 12, 2025– Aug 15, 2025
    Announced
    AS395793 Arisk Communications inc.
    Hosting
  8. May 13, 2025
    Route object
    AS174 Cogent Communications, LLC
    ARIN route object for AS174 Cogent Communications, LLC, maintainer MNT-GAL-104
  9. May 13, 2025
    Route object
    AS395793 Arisk Communications inc.
    ARIN route object for AS395793 Arisk Communications inc., maintainer MNT-GAL-104
  10. Aug 16, 2025– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  11. Aug 20, 2025
    Route object
    AS3257 GTT Communications Inc.
    ARIN route object for AS3257 GTT Communications Inc., maintainer MNT-GAL-104
  12. today
    Leased from
    ARISK
    IP broker

Announcements

Less specific

Covering announcements

PrefixOriginTypeProxy exitsHolderRPKI
72.13.224.0/19
since Nov 2019
AS3257Internet provider1GTT Americas, LLC

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
72.13.224.0/198,192TRANSBEAMGTT Americas, LLC (GAL-104) · USDirect AllocationNov 16, 2004abuse@gtt.net
└ 72.13.252.0/24256GTT-ARISK-NETArisk Communications inc. (AC-5396) · USReallocatedApr 30, 2025support@ariskisp.com
└ 72.13.252.0/24256GTTunknownReassignedJan 12, 2026support@ariskisp.com
via GTT-ARISK-NET

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

Routing timeline

Covering aggregate above, the prefix's own history below

Summary

Routing history

Pattern
Rotating
First seen
Apr 2025
Current origin since
Aug 2025 · 1.2 yr
Origin networks
2
Last change of origin
Aug 2025
Recorded history

History

Handoffs
2