AS15450 Alhambra Systems SA 🇪🇸 ES
Announcing 33 prefixes, seen at the RIS collectors.
IPv4 prefixes
32
13,312 (52 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
2
transit customers observed
Customer cone
3
ASes reachable through it
Registry and operator data
- AS number
- AS15450
- Name
- Alhambra Systems SA
- Organisation
- Alhambra Systems SA
- Country
- 🇪🇸 ES
- RIR
- RIPENCC
- Allocated
- 2000-07-03
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 |
|---|---|---|---|---|---|
| AS2914 NTT America, Inc. | 🇺🇸 US | 57,432 | 1,698 | 766 | CAIDA |
| AS8220 COLT | 🇬🇧 GB | 49,480 | 153 | 708 | CAIDA |
Peers
Adjacencies that look settlement-free rather than transit
No peers observed at the collectors.
Downstreams
Networks this one appears to provide transit to
| Network | Country | Cone | IPv4 prefixes | Paths | Source |
|---|---|---|---|---|---|
| AS26395 Johnson Controls Inc | 🇺🇸 US | 0 | 24 | 45 | CAIDA |
| AS204884 Fundacion Universidad de Valladolid | 🇪🇸 ES | 0 | 2 | 22 | 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.