ResearchRouting table, RPKI, IRR & looking glass

AS53352 Henry Ford Health System

AS53352 (HFHS-ASN) is registered to Henry Ford Health System in US. It originates 17 prefixes in the global routing table.

17
IPv4 prefixes
0
IPv6 prefixes
4,352
IPv4 addresses
0%
RPKI valid

Who holds AS53352

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

AS number
AS53352
Handle
HFHS-ASN
Organization
Henry Ford Health System
Country
US
ASPA
None published

What AS53352 announces

Prefixes originated by AS53352 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
17
IPv6 prefixes
0
IPv4 addresses
4,352 (17 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
17
ROAs naming AS53352
0
With an IRR route object
17 100%

Announced prefixes

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

Who AS53352 is reached through

The AS just before AS53352 in the paths our looking glass collectors hold, for 17 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.