Data as of Nov 13, 2026
77.77.160.0/24
No anonymizer space · no proxy exits in 30 daysGTT Communications Inc.
Announcements
Less specific
Covering announcements
| Prefix | Origin | Type | Proxy exits | Holder | RPKI |
|---|---|---|---|---|---|
| 77.77.128.0/18 since Oct 2021 | AS3257 | Internet provider | 108 12 always on | 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 |
|---|---|---|---|---|---|---|
| 77.77.128.0/18 | 16,384 | US-GTTCOMMUNICATIONS-20070223 | GTT Communications Inc. (ORG-GCI2-RIPE) · US | ALLOCATED PA | Mar 22, 2021 | abuse@ |
| └ 77.77.160.0/24 | 256 | EST-LOGISTICS-SP-Z-O-O-GTT | EST Logistics SP. Z.o.o | ASSIGNED PA | Sep 16, 2025 | abuse@ via US-GTTCOMMUNICATIONS-20070223 |
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
- 77.
77. 128. 0/ 18 - Registration type
- ALLOCATED PA
- Record created
- Mar 22, 2021
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
- 243
Routing timeline
Covering aggregate above, the prefix's own history below
Summary
Routing history
- Pattern
- Stable
- First seen
- Nov 2025
- Current origin since
- Nov 2025 · 12 mo
- Origin networks
- 1
RPKI
Route origin authorizations
| ROA prefix | ASN | Max len | Anchor | Verdict |
|---|---|---|---|---|
| 77.77.128.0/18 | AS3257 | /24 | RIPE | RPKI valid |
Whois
Registration for this announcement
- Range
- 77.
77. 160. 0/ 24 - Netname
- EST-LOGISTICS-SP-Z-O-O-GTT
- Registrant
- EST Logistics SP. Z.o.o
- Registrant country
- PL
- Organization
- EST Logistics SP. Z.o.o
- Org country
- PL
- Type
- ASSIGNED PA
- Created
- Sep 16, 2025
- Updated
- Sep 16, 2025
- Maintainer
- AS3257-IPAM-MNT
- RIR
- RIPE NCC
- Country
- US
- Delegated
- Feb 23, 2007
- Status
- assigned
Report abuse
Abuse contact
- abuse@
gtt. net - Name
- Abuse-C Role
- Handle
- AR37017-RIPE