ResearchRouting table, RPKI, IRR & looking glass

AS25978 Rush University Medical Center

AS25978 (RUSH-EXTERNAL) is registered to Rush University Medical Center in US. It originates 5 prefixes in the global routing table.

5
IPv4 prefixes
0
IPv6 prefixes
65,536
IPv4 addresses
0%
RPKI valid

Who holds AS25978

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

AS number
AS25978
Handle
RUSH-EXTERNAL
Organization
Rush University Medical Center
Country
US
ASPA
None published

What AS25978 announces

Prefixes originated by AS25978 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
5
IPv6 prefixes
0
IPv4 addresses
65,536 (256 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
5
ROAs naming AS25978
0
With an IRR route object
5 100%

Announced prefixes

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

IPv4 (5)

RPKI valid   RPKI invalid   no ROA covers it

Who AS25978 is reached through

The AS just before AS25978 in the paths our looking glass collectors hold, for 5 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 AS25978: RADB 511

as-sets that list AS25978 (5)