Data as of Nov 12, 2026

37.252.30.0/24

Anonymizer · ISP proxy

GTT Communications Inc. · space held by GCI Network Solutions Limited

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

Path

1 · Holder
record created Nov 27, 2018 · reallocated to Arisk Communications inc. Jul 13, 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 37.252.30.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 37.252.30.0/24/24s
GCI Network Solutions Limited
256100%
1

Lineage

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

37.252.30.0/24

From the registry to its use

  1. Nov 27, 2018
    Registry record
    GCI Network Solutions Limited
    ALLOCATED PA
    37.252.24.0/21
  2. Jul 13, 2025
    Reallocated
    Arisk Communications inc.
    SUB-ALLOCATED PA
    37.252.30.0/24
  3. Jul 30, 2025
    Route object
    IPXO
    RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS834
  4. Aug 4, 2025– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  5. today
    Leased from
    ARISK
    IP broker
  6. today
    Leased from
    IPXO
    IP broker

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
37.252.24.0/212,048UK-GCINETWORK-20120419GCI Network Solutions Limited (ORG-GNSL2-RIPE) · GBALLOCATED PANov 27, 2018abuse@gcicom.net
└ 37.252.30.0/24256Arisk-Communications-incunknownSUB-ALLOCATED PAJul 13, 2025report@abuseradar.com

Network & registry

Routing timeline

Who has announced this prefix

Summary

Routing history

Pattern
Stable
First seen
Aug 2025
Current origin since
Aug 2025 · 1.3 yr
Origin networks
1