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Data as of Nov 9, 2026

81.168.127.0/24

Anonymizer · ISP proxy1 residential-proxy exit · 30 days

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

Announcement
this exact prefix
RPKI valid
Announced by
AS3257
Type
ISP proxy
Risk
90 / 100 · Critical

Residential-proxy exits

Proxy exits
1
0.39% of its addresses · 30 days
Providers
1
selling exits here
Oct 10, 2026 – Nov 8, 2026

Exits seen per day

1 observation

Proxy providers listing exits

  • Proxy4U
IPv4 market

Path

1 · Holder
GCI Network Solutions Limited
record created May 30, 2022 · reallocated to Arisk Communications inc. Jun 27, 2025
2 · Leased from
ARISK
for its owner GCI Network Solutions Limited
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 81.168.127.0/24/24s
ARISK
256100%
1
Leased from

Owners leasing their own space

NameIn 81.168.127.0/24/24s
GCI Network Solutions Limited
256100%
1

Lineage

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

81.168.127.0/24

From the registry to its use

  1. May 9, 2005– Aug 17, 2020
    Announced
    AS12513
    as part of 81.168.0.0/17
    81.168.0.0/17
  2. Aug 6, 2020– Sep 19, 2023
    Announced
    AS206509 KCOM Group Limited
    as part of 81.168.0.0/17
    81.168.0.0/17
  3. May 30, 2022
    Registry record
    GCI Network Solutions Limited
    ALLOCATED PA
    81.168.0.0/17
  4. Sep 20, 2023– today
    Announced
    AS8851 GCI Network Solutions Limited
    as part of 81.168.0.0/17
    81.168.0.0/17
  5. Jun 27, 2025
    Reallocated
    Arisk Communications inc.
    SUB-ALLOCATED PA
    81.168.127.0/24
  6. Jul 30, 2025
    Route object
    IPXO
    RADB route object for AS3257 GTT Communications Inc., maintainer MAINT-AS834
  7. Aug 4, 2025– today
    Announced
    AS3257 GTT Communications Inc.
    Internet provider
  8. today
    Leased from
    ARISK
    IP broker
  9. today
    Leased from
    IPXO
    IP broker

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 the announcement: those covering it, widest first, then every record inside it, 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
└ 81.168.127.8/298ECL-JSB1KCWTI32PW084-101696IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.16/298ECL-9KFLCKJKMEJDBHZE-105421ATCASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.24/298ECL-JSB1KCWTI32PW084-105399IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.32/298ECL-JSB1KCWTI32PW084-108927IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.40/298ECL-N5TJDU64D6RWWO4C-108873StarliteASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.48/298ECL-N5TJDU64D6RWWO4C-108872StarliteASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.56/298ECL-CX1LQLFBBCQZJ48I-114001Hydrogen 2 Oxygen LimitedASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.72/298ECL-JSB1KCWTI32PW084-112800IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.80/298ECL-JSB1KCWTI32PW084-112859IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.88/298ECL-JSB1KCWTI32PW084-112943IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.96/298ECL-U3A35GBWJDUBO080-114067Midland Communications Co LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.104/298ECL-JSB1KCWTI32PW084-119088IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.112/298ECL-JSB1KCWTI32PW084-119190IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.120/298ECL-L9QVNTMXZUO6CGZQ-119071Maxim Solutions LimitedASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.128/298ECL-B7Q9AFBMCEGDT18W-119035Landmark Information GroupASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.136/298ECL-B7Q9AFBMCEGDT18W-119034Landmark Information GroupASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.144/298ECL-KOITEV8M3HG88T5R-119530KUBE Networks Ltd.ASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.152/298ECL-SXI9JUFJL8OA3P04-119342Eclipse ADSL CustomerASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.160/298ECL-JSB1KCWTI32PW084-119609IT&T Department LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.168/298ECL-9KFLCKJKMEJDBHZE-260935ATCASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.176/298ECL-9QF8JOYJBN4FCTJQ-120150Citibase PLC - London VictoriaASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.184/298ECL-9QF8JOYJBN4FCTJQ-120149Citibase PLC - London VictoriaASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.192/298ECL-D7MU74AAD1WLJ9Z4-120301Bellwind LimtedASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.200/298ECL-9QF8JOYJBN4FCTJQ-120523Citibase PLC - London VictoriaASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.208/298ECL-VWN030BJO4NV8DPY-105517Sleek Networks LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.216/298ECL-HTP7RGT94GODPXIE-121078Thompson Commercials LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.224/298ECL-HTP7RGT94GODPXIE-120928Thompson Commercials LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.232/298ECL-HTP7RGT94GODPXIE-120927Thompson Commercials LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.240/298ECL-HTP7RGT94GODPXIE-120926Thompson Commercials LtdASSIGNED PAMar 5, 2009report@abuseradar.com
via Arisk-Communications-inc
└ 81.168.127.248/298ECL-HTP7RGT94GODPXIE-120925Thompson Commercials 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

AnnouncementRouting historyRPKI & IRRWhois & abuse
IPv4 market

Holder

Holder in the market →
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