AS19321 — UMC-HEALTH-SYSTEM

AS19321 announces 1 IPv4 prefixes covering 1,024 addresses and 0 IPv6 prefixes.

About this network

The AS handle UMC-HEALTH-SYSTEM is held by University Medical Center.

What it's used for

• The address space carries infrastructure for a university medical center, as indicated by the netname UMC-HEALTH-SYSTEM and registrant University Medical Center.
• The network announces 1024 IPv4 addresses within a single /22 prefix (199.21.252.0/22) and maintains 2 observed neighbours, a ratio consistent with a small, self-contained institutional network rather than a transit provider.

Notable

• The RDAP registrant University Medical Center aligns directly with the AS handle and the announced prefix netname.
• The address inventory consists of a single contiguous /22 block, indicating a finely subdivided internal corporate estate typical of a large academic or medical institution.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 199.21.252.0/22

Upstream networks

• AS15164 Unite Private Networks LLC.
• AS22645 LEARN

Adjacent networks

• AS15164 Unite Private Networks LLC.
• AS22645 LEARN

Routing security

• RPKI: 0 valid, 0 invalid and 2 not-found announcements; 0 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 2 route objects.
• Listed in as-sets: AS-HURRICANE, AS-LEARN-INST, AS-PNAPOCY, AS-RR-BIZ, AS-TRANSROUTE-SPEC, AS-VEXUS, AS-VEXUS, AS-WINDSTREAM-CUST, AS-XO-B, AS13693:AS-CUSTOMER-PEERS, AS13693:AS-CUSTOMER-PEERS, AS15164:AS-CUSTOMERS, AS16905:AS-CONE, AS22645:AS-CONE.