Data as of Nov 12, 2026
212.56.4.0/23
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc.
Announcements
More specific
Announcements inside
| Prefix | Origin | Type | Holder | RPKI |
|---|---|---|---|---|
| 212.56.4.0/24 since Dec 2011 | AS57546 | Business | GTT Communications Inc. | |
| 212.56.5.0/24 since Dec 2011 | AS57546 | Business | GTT Communications Inc. |
Network & registry
Announced by
Covering announcement 212.56.0.0/19
- Prefix
- 212.56.0.0/19
- Announced by
- AS3257 GTT Communications Inc.
- Type
- Internet provider
- Proxy exits
- 10
- RPKI
- RPKI valid
- Netname
- US-GTTCOMMUNICATIONS-19980219
- 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 212.56.0.0/19
212.56.0.0/19
Routing history
- Pattern
- Stable
- First seen
- May 2005
- Current origin since
- Oct 2021 · 5.1 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 |
|---|---|---|---|---|
| 212.56.0.0/19 | AS3257 | /19 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 212.
56. 0. 0/ 19 - Netname
- US-GTTCOMMUNICATIONS-19980219
- Registrant
- GTT Communications Inc.
- Registrant country
- GB
- Organization
- GTT Communications Inc. (ORG-GCI2-RIPE)
- Org country
- US
- Type
- ALLOCATED PA
- Created
- Mar 22, 2021
- Updated
- May 15, 2024
- Maintainer
- AS3257-NET-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Feb 19, 1998
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR37017-RIPE