AS203851 CSD Network Services Ltd 🇬🇧 GB
Announcing 5 prefixes, seen at the RIS collectors.
IPv4 prefixes
5
1,280 (5 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
7
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS203851
- Name
- CSD Network Services Ltd
- Organisation
- CSD Network Services Ltd
- Country
- 🇬🇧 GB
- RIR
- RIPENCC
- Allocated
- 2015-10-20
- Traffic levels
- 5-10Gbps
- Scope
- Europe
- Peering policy
- Open
- IRR as-set
- AS-CSDLTD
- Website
- http://www.csd.co
- PeeringDB
- net/9858
- Exchanges
- 2
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 |
|---|---|---|---|---|---|
| AS174 Cogent Communications, LLC | 🇺🇸 US | 65,273 | 3,891 | 71 | CAIDA |
| AS6939 Hurricane Electric LLC | 🇺🇸 US | 55,252 | 240 | 269 | CAIDA |
| AS50300 CustodianDC Limited | 🇬🇧 GB | 9 | 39 | 9 | inferred |
Peers
Adjacencies that look settlement-free rather than transit
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS37721 Virtual Technologies & Solutions | 🇧🇫 BF | 25,754 | 64 | 9 | CAIDA |
| AS24482 SG.GS | 🇸🇬 SG | 20,376 | 45 | 9 | CAIDA |
| AS34549 meerfarbig GmbH & Co. KG | 🇩🇪 DE | 19,788 | 47 | 27 | CAIDA |
| AS17639 Converge ICT Solutions Inc. | 🇵🇭 PH | 234 | 575 | 9 | CAIDA |
| AS50304 Blix Solutions AS | 🇳🇴 NO | 33 | 97 | 9 | CAIDA |
| AS48362 Stadtwerke Feldkirch | 🇦🇹 AT | 16 | 7 | 5 | CAIDA |
| AS48185 team.blue NV | 🇧🇪 BE | 14 | 1 | 5 | CAIDA |
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS205900 APC Solutions UK Ltd | 🇬🇧 GB | 0 | 3 | 141 | CAIDA |
| AS210206 Metro Security (GB) PLC | 🇬🇧 GB | 0 | 4 | 46 | 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.