216.221.144.0/20 - GTT BACKBONE GTT Communications (AS3257)
CIDR
216.221.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇬🇧 United Kingdom
City
London
RIR
ARIN
Status
allocated
Allocated
2010-12-08
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.221.144.0/20 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | - | 2026-10-13 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 216.221.154.0/24 | AS40160 NEUTRAL-TANDEM - Inteliquent, inc. | No ROA | - | 2026-10-13 |
| 216.221.155.0/24 | AS40160 NEUTRAL-TANDEM - Inteliquent, inc. | No ROA | - | 2026-10-13 |
Related Prefixes
More prefixes of AS3257
All prefixes of AS3257 →Geolocation
Abuse Contact
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the ARIN regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/216.221.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/216.221.144.0/20" | jq
External Links