ResearchRouting table, RPKI, IRR & looking glass

AS19309 Williamson Medical Center

AS19309 (WILLIAMSON-MEDICAL-CENTER-AS) is registered to Williamson Medical Center in US. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
0%
RPKI valid

Who holds AS19309

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

AS number
AS19309
Handle
WILLIAMSON-MEDICAL-CENTER-AS
Organization
Williamson Medical Center
Country
US
ASPA
None published

What AS19309 announces

Prefixes originated by AS19309 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
1
IPv6 prefixes
0
IPv4 addresses
256 (1 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
1
ROAs naming AS19309
0
With an IRR route object
1 100%

Announced prefixes

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

IPv4 (1)

RPKI valid   RPKI invalid   no ROA covers it

Who AS19309 is reached through

The AS just before AS19309 in the paths our looking glass collectors hold, for 1 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 AS19309: RADB 1

as-sets that list AS19309 (1)