AS16989 The University of Tennessee Health Science Center

UTHSC - The University of Tennessee Health Science Center · registered in the United States

IPv4 addresses131,5844 prefixes · 0.004% of announced IPv4

Rank in United States#491largest network in US by IPv4 space, of 18,338 · <0.01% of US

Rank worldwide#1,526of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryUnited States18,679 ASNs registered there

Open AS16989 in ASN lookup Look up an IP in this network (12.204.200.1) All networks in United States

IPv4 prefixes

All 4 prefixes, in address order.

12.204.200.0/24
128.169.0.0/16
160.37.0.0/16
199.164.138.0/24

Similar-sized networks in United States

ASNNameIPv4 addresses

AS1580#488 DNIC-ASBLK-01550-01601 - United States Department of Defense (DoD)131,584

AS2025#489 UTOLEDO - University of Toledo131,584

AS11834#490 DREXEL-ASN - Drexel University131,584

AS20337#492 SUNYPOLY-ASN - SUNY Institute of Technology131,584

AS6106#493 UCR-EDU - University of California, Riverside131,334

AS53828#494 NITEL - NETWORK INNOVATIONS, LLC131,328

IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources