AS31655 ASN-GammaTelecom Gamma Telecom Holdings Ltd
🇬🇧Org handle: ORG-GTHL1-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
39total
36 IPv43 IPv6
IPv4 Addresses
Allocated (RIR)576,768
Announced (BGP)614,400
IPv6 Addresses
Allocated (RIR)1.9×10³⁰
Announced (BGP)1.9×10³⁰
Prefix Limit (IPv4)
1,000
Prefix Limit (IPv6)
10
Country
🇬🇧 GBRIR
RIPE NCCStatus
allocated
Allocated
2004-07-02
Routing hygiene
Score 18/100 · Low riskRPKI ROA coverage
69.2%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
2
diversity 14/100
- 31% of announced prefixes (12 of 39) have no valid ROA
- Routes concentrated on one upstream (92% of routes)
Based on 39 announced prefixes, updated daily (2026-10-25). How the score works · RPKI explained
Announced Prefixes
(BGP)39|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - | |
| No ROA | RIPE | - | |
| No ROA | - | - | |
| No ROA | RIPE | - | |
| Valid | RIPE | - | |
| Valid | - | - | |
| Valid | RIPE | - | |
| Valid | RIPE | - |
1-10 of 39
1 / 4
Allocated Prefixes
(RIR)31Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.2.96.0/19 | 🇬🇧 GB | RIPENCC | allocated |
| 5.144.156.0/22 | 🇬🇧 GB | RIPENCC | allocated |
| 46.227.48.0/21 | 🇬🇧 GB | RIPENCC | allocated |
| 51.52.0.0/16 | 🇬🇧 GB | RIPENCC | assigned |
| 51.219.0.0/16 | 🇬🇧 GB | RIPENCC | assigned |
| 79.74.0.0/16 | 🇬🇧 GB | RIPENCC | allocated |
| 80.252.64.0/20 | 🇬🇧 GB | RIPENCC | allocated |
| 88.215.0.0/18 | 🇬🇧 GB | RIPENCC | allocated |
| 89.213.8.0/21 | 🇬🇧 GB | RIPENCC | allocated |
| 89.213.16.0/20 | 🇬🇧 GB | RIPENCC | allocated |
1-10 of 31
1 / 4
All 39 announced prefixes of AS31655 →
Downstream Customers(1)
| ASN | Name |
|---|---|
| AS41379 | 🇬🇧NTA-AS Nationwide Telephone Assistance Ltd |
BGP Neighbours
(seen in AS paths)Upstreams (2)
Networks AS31655 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (5)
Networks whose own prefixes AS31655 passes on: usually its customers.
Abuse Contact
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/31655Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/31655" | jq