ResearchRouting table, RPKI, IRR & looking glass

AS15450 Alhambra Systems SA

AS15450 (ALHAMBRA) is registered to Alhambra Systems SA in ES. It originates 33 prefixes in the global routing table.

32
IPv4 prefixes
1
IPv6 prefixes
7,424
IPv4 addresses
87%
RPKI valid

Who holds AS15450

Names from RIPE NCC’s daily list of every allocated AS number. The ASN lookup fetches the full WHOIS record live.

AS number
AS15450
Handle
ALHAMBRA
Organization
Alhambra Systems SA
Country
ES
ASPA
None published

What AS15450 announces

Prefixes originated by AS15450 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
32
IPv6 prefixes
1
IPv4 addresses
7,424 (29 /24s)
RPKI valid
29 87%
RPKI invalid
0
RPKI not found
4
ROAs naming AS15450
29
With an IRR route object
33 100%

Who AS15450 is reached through

The AS just before AS15450 in the paths our looking glass collectors hold, for 33 of its prefixes. Usually a transit provider, sometimes a peer. The number is how many of those prefixes it was seen on.

Routing registry objects

From the mirrored IRR databases (RADB, the five RIRs and more). Look it up live.

Sourceas-nameMaintained by
RIPEALHAMBRARIPE-NCC-END-MNT, MNT-ALHAMBRAEIDOS

Route objects with origin AS15450: RIPE 31 · ARIN 3 · NTTCOM 1 · RADB 1

as-sets that list AS15450 (6)