AS8468 Cityfibre Limited 🇬🇧 GB
Announcing 49 prefixes, seen at the RIS collectors.
IPv4 prefixes
46
364,544 (1,424 × /24)
IPv6 prefixes
3
17 × /32
Upstreams
3
transit providers observed
Peers
16
settlement-free adjacencies
Downstreams
4
transit customers observed
Customer cone
5
ASes reachable through it
Registry and operator data
- AS number
- AS8468
- Name
- Cityfibre Limited
- Organisation
- CityFibre
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 1997-09-10
- Network type
- NSP
- Scope
- Europe
- Peering policy
- Selective
- IRR as-set
- RIPE::AS-ENTANET
- Website
- https://www.cityfibre.com
- PeeringDB
- net/155
- Exchanges
- 6
- 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 |
|---|---|---|---|---|---|
| AS3356 Lumen (Level 3) | 🇺🇸 US | 71,481 | 2,070 | 493 | CAIDA |
| AS1299 Arelion (fka. Telia Carrier) | 🇸🇪 SE | 68,720 | 110 | 558 | CAIDA |
| AS9002 RETN Limited | 🇬🇧 GB | 51,487 | 14 | 15 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 55,195 | 240 | 339 | CAIDA |
| AS6461 Zayo Bandwidth | 🇺🇸 US | 53,988 | 250 | 12 | CAIDA |
| AS4657 StarHub Ltd | 🇸🇬 SG | 33,646 | 208 | 46 | CAIDA |
| AS33891 Core-Backbone GmbH | 🇩🇪 DE | 27,878 | 1 | 96 | CAIDA |
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 25,659 | 64 | 54 | CAIDA |
| AS3216 PJSC Vimpelcom | 🇷🇺 RU | 23,324 | 591 | 52 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 20,407 | 45 | 56 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 19,816 | 47 | 159 | CAIDA |
| AS13030 Init7 (Switzerland) Ltd. | 🇨🇠CH | 305 | 70 | 3 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇠PH | 233 | 575 | 54 | CAIDA |
| AS29075 IELO-LIAZO SERVICES SAS | 🇫🇷 FR | 196 | 23 | 49 | CAIDA |
| AS12779 IT.Gate S.p.A. | 🇮🇹 IT | 75 | 25 | 46 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 33 | 97 | 95 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 16 | 7 | 51 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 57 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 54 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS199629 4MS Network Solutions Ltd. | 🇬🇧 GB | 0 | 3 | 129 | CAIDA |
| AS20652 Unitron Systems & Development LTD | 🇬🇧 GB | 0 | 4 | 52 | CAIDA |
| AS203035 Xara Computers (UK) Ltd | 🇬🇧 GB | 0 | 3 | 45 | CAIDA |
| AS203231 Vanquish Global Trading Ltd | 🇬🇧 GB | 0 | 1 | 43 | 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.