Data as of Nov 7, 2026
212.56.20.0/22
No anonymizer space · no proxy exits in 30 daysGTT Communications Netherlands B.V. · space held by GTT Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 212.56.0.0/19 since Oct 2021 | AS3257 | Internet provider | 10 | GTT Communications Inc. |
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 |
|---|---|---|---|---|---|---|
| 212.56.0.0/19 | 8,192 | US-GTTCOMMUNICATIONS-19980219 | GTT Communications Inc. (ORG-GCI2-RIPE) · US | ALLOCATED PA | Mar 22, 2021 | abuse@ |
| └ 212.56.20.0/22 | 1,024 | UK-GTT-980219 | unknown | ASSIGNED PA | Feb 7, 2019 | abuse@ via US-GTTCOMMUNICATIONS-19980219 |
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
IPv4 market
Holder
- Organization
- GTT Communications Inc.
- Handle
- ORG-GCI2-RIPE
- Range
- 212.
56. 0. 0/ 19 - Registration type
- ALLOCATED PA
- Record created
- Mar 22, 2021
Origin network
AS5580
NL
- Name
- GTT Communications Netherlands B.V.
- Type
- Internet provider
- Registered
- Apr 8, 2009
- Domain
- gtt.net
- Website
- www.gtt.net/
- Industry
- Internet Service Provider (ISP)
- Spamhaus ASN-DROP
- not listed
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Feb 2019
- Current origin since
- Apr 2019 · 7.6 yr
- Origin networks
- 2
- Last change of origin
- Apr 2019
Recorded history
History
- Handoffs
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 212.56.20.0/22 | AS5580 | /22 | RIPE | RPKI valid |
| 212.56.0.0/19 | AS3257 | /19 | RIPE | Another network |
IRR
Route objects on the exact prefix
| Origin | Registry | Description | Maintainer | Modified |
|---|---|---|---|---|
| AS5580 | RIPE | GTT | AS3257-ROUTE-MNT | Aug 25, 2020 |
Whois
Registration for this announcement
- Range
- 212.
56. 20. 0/ 22 - Netname
- UK-GTT-980219
- Registrant country
- BG
- Organization
- Not stated by the registry
- Type
- ASSIGNED PA
- Created
- Feb 7, 2019
- Updated
- Aug 19, 2022
- Maintainer
- BGGLOBALONE-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