ResearchRouting table, RPKI, IRR & looking glass

AS36319 NorthShore University HealthSystem

AS36319 (ENWHC) is registered to NorthShore University HealthSystem in US. It originates 11 prefixes in the global routing table.

11
IPv4 prefixes
0
IPv6 prefixes
5,120
IPv4 addresses
0%
RPKI valid

Who holds AS36319

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

AS number
AS36319
Handle
ENWHC
Organization
NorthShore University HealthSystem
Country
US
ASPA
None published

What AS36319 announces

Prefixes originated by AS36319 in the RouteViews table (refreshed every four hours), each checked against the RPKI (every ten minutes) and the IRR (daily).

IPv4 prefixes
11
IPv6 prefixes
0
IPv4 addresses
5,120 (20 /24s)
RPKI valid
0 0%
RPKI invalid
0
RPKI not found
11
ROAs naming AS36319
0
With an IRR route object
1 9%

Announced prefixes

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

Who AS36319 is reached through

The AS just before AS36319 in the paths our looking glass collectors hold, for 11 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.

Sourceas-nameMaintained by
RADBENWHCMAINT-AS36319

Route objects with origin AS36319: RADB 1

as-sets that list AS36319 (4)