79.121.128.0/17 - GTT BACKBONE GTT Communications (AS3257)
CIDR
79.121.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇬🇧 United Kingdom
City
Bracknell
RIR
RIPE NCC
Status
allocated
Allocated
2007-07-18
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 79.121.128.0/17 | AS3257 GTT-BACKBONE GTT Communications Inc. | No ROA | RIPE | 2026-10-12 |
More-Specific Announcements
51 more-specific announcementsMore Specific Prefixes
Transfer History
Registry transfers of 79.121.128.0/17, blocks inside it, or blocks containing it.
- 79.121.128.0/17M&A ·
- 79.121.128.0/17M&A ·
- 79.121.128.0/17M&A ·
Related Prefixes
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/79.121.128.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/79.121.128.0/17" | jq
External Links