Data as of Nov 9, 2026
81.188.128.0/19
Anonymizer · Datacenter proxyGTT Communications Inc. · space held by GTT Communications Belgium N.V.
IPv4 market
Path
4 · Use
Datacenter proxy
anonymizer space, operator not named
Operators, sellers and brokers
Leased from
Owners leasing their own space
| Name | In 81.188.128.0/19 | /24s |
|---|---|---|
| GTT Communications Belgium N.V. | 8,192100% | 32 |
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 81.188.128.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. via Code200 UAB | |
| 81.188.136.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. via Code200 UAB | |
| 81.188.144.0/21 since Oct 22, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. via Code200 UAB | |
| 81.188.152.0/22 since Nov 5, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. via Code200 UAB | |
| 81.188.156.0/22 since Nov 5, 2026 | AS62874 | Datacenter proxy | GTT Communications Belgium N.V. via Code200 UAB |
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@ |
| └ 81.188.128.0/19 | 8,192 | CODE200-20261029-GTT | Code200 UAB | SUB-ALLOCATED PA | Oct 29, 2026 | 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.
Network & registry
Announced by
Covering announcement 81.188.0.0/16
- Prefix
- 81.188.0.0/16
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Anonymizer addresses
- 3,584 addresses · 5.5%ISP proxy
- Operator
- Proxy providersoperated by Oxylabs
- Proxy exits
- 1
- 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
- 239
Routing timeline
Who has announced 81.188.0.0/16
81.188.0.0/16
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
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 2, 2026 |
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