AS12519 FastNet International Ltd 🇬🇧 GB
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
4
28,672 (112 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
3
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS12519
- Name
- FastNet International Ltd
- Organisation
- Fastnet
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 1999-06-29
- Network type
- NSP
- Traffic levels
- 5-10Gbps
- Scope
- Regional
- Peering policy
- Open
- IRR as-set
- AS-FASTNET
- Website
- http://fastnet.co.uk
- PeeringDB
- net/2143
- Exchanges
- 3
- Facilities
- 3
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 |
|---|---|---|---|---|---|
| AS1299 Arelion (fka. Telia Carrier) | 🇸🇪 SE | 68,721 | 133 | 135 | CAIDA |
| AS2914 NTT America, Inc. | 🇺🇸 US | 55,791 | 1,476 | 240 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 1 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 54,951 | 185 | 32 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 27,070 | 1 | 14 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 4,870 | 45 | 19 | CAIDA |
| AS8218 Zayo Europe | 🇫🇷 FR | 342 | 19 | 8 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 19 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS201739 Metranet Communications Ltd. | 🇬🇧 GB | 0 | 14 | 267 | 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.