Data as of Nov 11, 2026
212.0.255.136/29
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc.
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 |
|---|---|---|---|---|---|---|
| 212. | 16,384 | US-GTTCOMMUNICATIONS-19990920 | GTT Communications Inc. (ORG-GCI2-RIPE) · US | ALLOCATED PA | Oct 31, 2022 | abuse@ |
| └ 212.0.255.136/29 | 8 | UNICO-NL | Unico Banking Group | ASSIGNED PA | Oct 22, 2001 | abuse@ via US-GTTCOMMUNICATIONS-19990920 |
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 212.0.224.0/19
- Prefix
- 212.0.224.0/19
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- RPKI
- RPKI valid
- Netname
- US-GTTCOMMUNICATIONS-19990920
- Registrant
- GTT Communications Inc.
- 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
- 251
Routing timeline
Who has announced 212.0.224.0/19
212.0.224.0/19
Routing history
- Pattern
- Rotating
- First seen
- May 2005
- Current origin since
- Nov 2021 · 5.0 yr
- Origin networks
- 2
- Last change of origin
- Nov 2021
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.0.224.0/19 | AS3257 | /19 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 212.
0. 224. 0 - 212. 1. 31. 255 - Netname
- US-GTTCOMMUNICATIONS-19990920
- Registrant
- GTT Communications Inc.
- Registrant country
- NL
- Organization
- GTT Communications Inc. (ORG-GCI2-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Oct 31, 2022
- Updated
- Jun 13, 2023
- Maintainer
- AS3257-NET-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Sep 20, 1999
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR37017-RIPE