Data as of Nov 9, 2026

81.168.127.80/29

Anonymizer · ISP proxy

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

Announcement
RPKI valid
Announced by
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
1
13% of its addresses · listed by providers
Providers
1
selling exits here

Proxy providers listing exits

  • Proxy4U
IPv4 market

Path

1 · Holder
record created May 30, 2022 · reallocated to Arisk Communications inc. Jun 27, 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 81.168.127.80/29/24s
ARISK
8100%
1
Leased from

Owners leasing their own space

NameIn 81.168.127.80/29/24s
GCI Network Solutions Limited
8100%
1

Announcements

Less specific

Covering announcements

PrefixOriginTypeAnonymizer addressesLeased fromProxy exitsHolderRPKI
81.168.0.0/17
since Sep 2023
AS8851Business2560.78%ISP proxyIP broker IPXO (part)250
14 always on
GCI Network Solutions Limited

Registrations in this block

The registry's network records over this block, widest first, each under its parent.

RangeAddressesNetnameHolderTypeCreatedAbuse contact
81.168.0.0/1732,768UK-GCINETWORK-20030404GCI Network Solutions Limited (ORG-GNSL2-RIPE) · GBALLOCATED PAMay 30, 2022abuse@gcicom.net
└ 81.168.127.0/24256Arisk-Communications-incunknownSUB-ALLOCATED PAJun 27, 2025report@abuseradar.com
└ 81.168.127.80/298ECL-JSB1KCWTI32PW084-112859IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc

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

Announced by

Covering announcement 81.168.127.0/24

Prefix
81.168.127.0/24
Announced by
AS3257 GTT Communications Inc.
Type
ISP proxy
Anonymizer addresses
all
Leased from
IP broker ARISK, IPXO
Proxy exits
1
RPKI
RPKI valid
Netname
Arisk-Communications-inc
RIR
RIPE NCC
IPv4 market

Holder

Organization
GCI Network Solutions Limited
Handle
ORG-GNSL2-RIPE
Range
81.168.0.0/17
Registration type
ALLOCATED PA
Record created
May 30, 2022
Reallocated to
Arisk Communications inc. (ORG-PC467-RIPE)
Reallocated range
81.168.127.0/24
Reallocation type
SUB-ALLOCATED PA
Reallocated
Jun 27, 2025
Origin network

AS3257

US
Name
GTT Communications Inc.
Type
Internet provider
Registered
Sep 30, 1994
Domain
gtt.net
Website
www.gtt.net
Industry
Internet Service Provider (ISP)
Spamhaus ASN-DROP
not listed
VPN servers
239