ResearchRouting table, RPKI, IRR & looking glass

AS401872 UNIVERSAL HEALTH SERVICES

AS401872 (RMC-836) is registered to UNIVERSAL HEALTH SERVICES in US. It originates 1 prefix in the global routing table.

1
IPv4 prefixes
0
IPv6 prefixes
256
IPv4 addresses
100%
RPKI valid

Who holds AS401872

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

AS number
AS401872
Handle
RMC-836
Organization
UNIVERSAL HEALTH SERVICES
Country
US
ASPA
None published

What AS401872 announces

Prefixes originated by AS401872 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
1 100%
RPKI invalid
0
RPKI not found
0
ROAs naming AS401872
2
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 AS401872 buys transit from

Inferred from the AS paths in the RouteViews tables, refreshed every 4 hours, most-seen first. 2 upstreams.

Who buys transit from AS401872

None seen: AS401872 does not appear to provide transit to anyone.

Routing registry objects

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

Sourceas-nameMaintained by
RADBUHS_OF_DELAWARE_INCMAINT-RR

Route objects with origin AS401872: ARIN 2

as-sets that list AS401872 (3)