ResearchRouting table, RPKI, IRR & looking glass

AS11951 Medical Computer Systems

AS11951 (MCSP) is registered to Medical Computer Systems in US. It originates 10 prefixes in the global routing table.

10
IPv4 prefixes
0
IPv6 prefixes
37,376
IPv4 addresses
0%
RPKI valid

Who holds AS11951

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

AS number
AS11951
Handle
MCSP
Organization
Medical Computer Systems
Country
US
ASPA
None published

What AS11951 announces

Prefixes originated by AS11951 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
10
IPv6 prefixes
0
IPv4 addresses
37,376 (146 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
10
ROAs naming AS11951
0
With an IRR route object
5 50%

Announced prefixes

Each opens its own page: who announces it, the paths our collectors see, its ROAs and route objects.

Who AS11951 is reached through

The AS just before AS11951 in the paths our looking glass collectors hold, for 10 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.

Route objects with origin AS11951: RADB 11 · ALTDB 1

as-sets that list AS11951 (7)