ResearchRouting table, RPKI, IRR & looking glass

AS29885 Univeristy of Chicago Hospitals & Health System

AS29885 (UCHHS-AS) is registered to Univeristy of Chicago Hospitals & Health System in US. It originates 4 prefixes in the global routing table.

4
IPv4 prefixes
0
IPv6 prefixes
65,792
IPv4 addresses
25%
RPKI valid

Who holds AS29885

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

AS number
AS29885
Handle
UCHHS-AS
Organization
Univeristy of Chicago Hospitals & Health System
Country
US
ASPA
None published

What AS29885 announces

Prefixes originated by AS29885 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
4
IPv6 prefixes
0
IPv4 addresses
65,792 (257 /24s)
RPKI valid
1 25%
RPKI invalid
0
RPKI not found
3
ROAs naming AS29885
1
With an IRR route object
2 50%

Announced prefixes

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

IPv4 (4)

RPKI valid   RPKI invalid   no ROA covers it

Who AS29885 is reached through

The AS just before AS29885 in the paths our looking glass collectors hold, for 4 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 AS29885: RADB 2

as-sets that list AS29885 (4)