81.188.16.0/20

IPv4 market

Path

1 · Holder

GTT Communications Belgium N.V.

record created Feb 18, 2003

2 · Leased from

GTT Communications Belgium N.V.

its owner, directly

3 · Announced by

AS3257 GTT Communications Inc.

since Oct 2021 · 5.0 yr ago

4 · Use

Proxy providersnamed Oxylabs

Datacenter proxy

Operators, sellers and brokers

Proxy providers

Name	Parent	In 81.188.16.0/20	/24s
Oxylabs	Tesonet	4,096100%	16

Leased from

Owners leasing their own space

Name	In 81.188.16.0/20	/24s
GTT Communications Belgium N.V.	4,096100%	16

Announcements

Nesting

More-specifics by size

Sized by addresses, colored by each announcement's type. Click a tile with children to zoom in, a leaf to open it.

More specific

Announcements inside

Prefix	Origin	Type	Operator	Holder
81.188.16.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.18.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.20.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.22.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.24.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.26.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.28.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.
81.188.30.0/23 since Nov 5, 2026	AS212238	Datacenter proxy	Proxy providersoperated by Oxylabs	GTT Communications Belgium N.V.

Registrations in this block

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

Range	Addresses	Netname	Holder	Type	Created	Abuse contact
81.188.0.0/16	65,536	BE-EASYNET-20030218	GTT Communications Belgium N.V. (ORG-EB1-RIPE) · BE	ALLOCATED PA	Feb 18, 2003	abuse@gtt.net
└ 81.188.19.134 - 81.188.19.137	4	KIPLING-BE	Kipling Gent	ASSIGNED PA	Apr 14, 2006	abuse@gtt.net via BE-EASYNET-20030218
└ 81.188.21.184/29	8	HOLIDAYINN-BE	Holiday Inn Liège	ASSIGNED PA	Jun 5, 2007	abuse@gtt.net via BE-EASYNET-20030218

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

Announcement Routing history RPKI & IRR Whois & abuse

Announced by

Covering announcement 81.188.0.0/16

Prefix: 81.188.0.0/16
Announced by: AS3257 GTT Communications Inc.
Type: Residential
Anonymizer addresses: 11,264 addresses · 17%ISP proxy
Operator: Proxy providersoperated by Oxylabs
RPKI: RPKI valid
Netname: BE-EASYNET-20030218
Registrant: GTT Communications Belgium N.V.
RIR: RIPE NCC

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: 244

RPKI

Route origin authorizations

ROA prefix	ASN	Max len	Anchor	Verdict
81.188.0.0/16	AS3257	/16	RIPE	RPKI valid

IRR

Route objects on 81.188.0.0/16

Origin	Registry	Description	Maintainer	Modified
AS3257	RIPE	GTT	AS3257-ROUTE-MNT	Nov 12, 2021