AS31655 Gamma Telecom Holdings Ltd 🇬🇧 GB
Announcing 39 prefixes, seen at the RIS collectors.
IPv4 prefixes
36
614,400 (2,400 × /24)
IPv6 prefixes
3
24 × /32
Upstreams
2
transit providers observed
Peers
6
settlement-free adjacencies
Downstreams
6
transit customers observed
Customer cone
7
ASes reachable through it
Registry and operator data
- AS number
- AS31655
- Name
- Gamma Telecom Holdings Ltd
- Organisation
- Gamma
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2004-07-02
- Network type
- Cable/DSL/ISP
- Traffic levels
- 500-1000Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-GAMMATELECOM
- Website
- https://www.gamma.co.uk/
- PeeringDB
- net/4043
- Exchanges
- 4
- Facilities
- 9
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstreams
Networks seen providing transit to this one
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 72,024 | 2,070 | 795 | CAIDA |
| AS2914 NTT America, Inc. | 🇺🇸 US | 56,577 | 1,688 | 647 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 55,542 | 236 | 315 | CAIDA |
| AS4637 Telstra International Limited | ðŸ‡ðŸ‡° HK | 41,953 | 666 | 42 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 28,476 | 1 | 87 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 20,771 | 45 | 45 | CAIDA |
| AS13030 Init7 (Switzerland) Ltd. | 🇨🇠CH | 329 | 69 | 3 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 45 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS204193 Gamma Telecom Holdings Ltd | 🇬🇧 GB | 0 | 3 | 126 | CAIDA |
| AS8918 Coolwave Communications Limited | 🇮🇪 IE | 0 | 4 | 60 | CAIDA |
| AS198472 Manchester City Council | 🇬🇧 GB | 0 | 1 | 43 | CAIDA |
| AS41553 Reed Specialist Recruitment Limited | 🇬🇧 GB | 0 | 1 | 42 | CAIDA |
| AS216167 Gamma Telecom Holdings Ltd | 🇬🇧 GB | 0 | 5 | 42 | CAIDA |
| AS205237 SAVILLS PLC | 🇬🇧 GB | 0 | 1 | 33 | CAIDA |
Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.