Data as of Nov 7, 2026
81.188.0.0/16
58,368 anonymizer addresses · 89%1 residential-proxy exit · 30 daysGTT Communications Inc. · space held by GTT Communications Belgium N.V.
Residential-proxy exits
Proxy exits
1
<0.01% of its addresses · 30 days
Spread
1 of 256
/24s with at least one exit
Providers
1
selling exits here
Oct 8, 2026 – Nov 6, 2026
Exits seen per day
1 observation
Proxy providers listing exits
- Byteful
IPv4 market
Path
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 81.188.0.0/16 | /24s |
|---|---|---|
| GTT Communications Belgium N.V. | 47,10472% | 184 |
Lineage
How this block came to its use, oldest first. The whole IPv4 market →
81.188.0.0/16
From the registry to its use
- Feb 18, 2003Registry recordGTT Communications Belgium N.V.ALLOCATED PA81.188.0.0/16
- May 9, 2005– Nov 4, 2021AnnouncedAS4589 GTT Communications (AS4589)
- Oct 24, 2021– today
- Nov 12, 2021Route objectAS3257 GTT Communications Inc.RIPE route object for AS3257 GTT Communications Inc., maintainer AS3257-ROUTE-MNT
- todayUsedOxylabsProxy seller
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 | RPKI |
|---|---|---|---|---|---|
| 81.188.0.0/23 since Nov 7, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.4.0/22 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.8.0/23 since Nov 4, 2026 | AS263812 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 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. | |
| 81.188.32.0/20 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.60.0/22 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.64.0/20 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.80.0/21 since Nov 5, 2026 | AS9009 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.90.0/23 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.94.0/23 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.96.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.98.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.100.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.102.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.108.0/22 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.114.0/23 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.116.0/22 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.128.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.136.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.144.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.152.0/22 since Nov 5, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.156.0/22 since Nov 5, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.162.0/23 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.164.0/23 since Nov 7, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.168.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.170.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.172.0/23 since Nov 7, 2026 | AS18779 | Datacenter proxy | Proxy providersoperated by Oxylabs | ||
| 81.188.174.0/23 since Nov 4, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.176.0/20 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. | ||
| 81.188.192.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.194.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.196.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.198.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.200.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.202.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.204.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.206.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.208.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.210.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.212.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.214.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.216.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.218.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.220.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.222.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.224.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.226.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.228.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.230.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.232.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.234.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.236.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.238.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.240.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.242.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.244.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.246.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.248.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.250.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.252.0/23 since Nov 5, 2026 | AS212238 | Datacenter proxy | Proxy providersoperated by Oxylabs | GTT Communications Belgium N.V. | |
| 81.188.254.0/23 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 the announcement: those covering it, widest first, then every record inside it, 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@ |
| └ 81. | 16 | QUADRIGA-BE | quadria | ASSIGNED PA | Apr 9, 2003 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.2.96/29 | 8 | DHOLLANDIA-BE | Dhollandia | ASSIGNED PA | Jun 2, 2003 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.2.224/29 | 8 | ASAHI-BE | Asahi Planova | ASSIGNED PA | Sep 17, 2008 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.11.8/29 | 8 | VANHERTUM-BE | Peter Van Hertum | ASSIGNED PA | Nov 10, 2004 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.12.144/29 | 8 | CHRISTIANSALVESEN-BE | Norbert Dentressangle | ASSIGNED PA | Jun 18, 2012 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.12.200/29 | 8 | CHRISTIANSALVESEN-BE | Christian Salvesen | ASSIGNED PA | Jul 11, 2007 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.12.224/29 | 8 | CHRISTIANSALVESEN-BE | Norbert Dentressangle | ASSIGNED PA | Jun 17, 2015 | abuse@ via BE-EASYNET-20030218 |
| └ 81. | 4 | KIPLING-BE | Kipling Gent | ASSIGNED PA | Apr 14, 2006 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.21.184/29 | 8 | HOLIDAYINN-BE | Holiday Inn Liège | ASSIGNED PA | Jun 5, 2007 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.48.0/22 | 1,024 | FORD-BE | Ford Company Belgium | ASSIGNED PA | Jan 14, 2026 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.56.0/22 | 1,024 | FORD-BE | Ford Company Belgium | ASSIGNED PA | Nov 5, 2004 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.89.56/29 | 8 | DHOLLANDIA-BE | dhollandia | ASSIGNED PA | Jan 19, 2005 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.89.64/29 | 8 | DHOLLANDIA-BE | Dhollandia | ASSIGNED PA | Mar 20, 2008 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.89.216/29 | 8 | VANHERTUM-BE | VANHERTUM | ASSIGNED PA | Sep 23, 2011 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.93.64/27 | 32 | CARTAMUNDI-BE | unknown | ASSIGNED PA | Dec 14, 2017 | abuse@ via BE-EASYNET-20030218 |
| └ 81. | 32 | ARINSO-BE | Arinso | ASSIGNED PA | Jan 17, 2007 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.104.208/29 | 8 | ESKO-BE | esko nv | ASSIGNED PA | Jul 19, 2010 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.106.64/28 | 16 | SOUDAL-BE | soudal | ASSIGNED PA | Dec 18, 2008 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.106.128/27 | 32 | CARTAMUNDI-BE | Cartamundi - BE - Turnhout HQ | ASSIGNED PA | Dec 11, 2009 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.106.192/26 | 64 | ESKO-BE | esko nv | ASSIGNED PA | Jul 19, 2010 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.122.32/29 | 8 | DHOLLANDIA-BE | Dhollandia Lokeren | ASSIGNED PA | Aug 28, 2012 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.122.160/27 | 32 | PURATOS-BE | Puratos NV | ASSIGNED PA | Apr 1, 2016 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.160.0/24 | 256 | EASYNET-BE | Easynet Belgium | ASSIGNED PA | Jul 29, 2004 | abuse@ via BE-EASYNET-20030218 |
| └ 81.188.161.64/27 | 32 | GTT-GTT | GTT | ASSIGNED PA | Jun 8, 2021 | abuse@ 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.
Composition
The types across the prefix's announced space, by addresses.
Announced space
Address share
Announced space
Types across the prefix
65,536 addresses
| Type | Addresses | Share | Ranges | |
|---|---|---|---|---|
| Datacenter proxyanonymizer | 54,784 | 84% | 68 | |
| Residential | 6,888 | 11% | 26 | |
| ISP proxyanonymizer | 3,584 | 5.5% | 12 | |
| Business | 280 | 0.43% | 17 |
Network & registry
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
Routing timeline
Who has announced this prefix
Summary
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2021 · 5.0 yr
- Origin networks
- 2
- Last change of origin
- Oct 2021
Recorded history
History
- Handoffs
- 1
Whois
Registration for this announcement
- Range
- 81.
188. 0. 0/ 16 - Netname
- BE-EASYNET-20030218
- Registrant
- GTT Communications Belgium N.V.
- Registrant country
- BE
- Organization
- GTT Communications Belgium N.V. (ORG-EB1-RIPE)
- Org country
- BE
- Type
- ALLOCATED PA
- Created
- Feb 18, 2003
- Updated
- Oct 16, 2026
- Maintainer
- RIPE-NCC-HM-MNT
- RIR
- RIPE NCC
- Country
- BE
- Delegated
- Feb 18, 2003
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Easynet Belgium Hostmaster
- Handle
- EBH7-RIPE