Autonomous System

AS16989 The University of Tennessee Health Science Center

EducationActiveUnited StatesARIN

AS16989 (UTHSC) is an education network operated by The University of Tennessee Health Science Center in United States, registered with ARIN. It has 8 IPv4 prefixes with 262,656 addresses, which makes it the 1,062nd largest of 82,200 active autonomous systems by IPv4 space.

IPv4 addresses262,656in 8 prefixes
IPv6 prefixes0none
Size rank#1,062of 82,200 active ASNs
Abuser scoreVery Lowunder 0.01% of its addresses flagged · method

Details

OrganizationThe University of Tennessee Health Science Center
AS nameUTHSC
Websiteuthsc.edu
Country United States (US)
Network typeEducation
RegistryARIN
Abuse contactitsecurity@uthsc.edu
Registered2000-07-11
Last updated2025-06-06

IPv4 prefixes

8 prefixes · 262,656 addresses
NetworkAddressesFirst – last address
128.169.0.0/1665,536128.169.0.0 – 128.169.255.255
160.37.0.0/1665,536160.37.0.0 – 160.37.255.255
128.169.0.0/1732,768128.169.0.0 – 128.169.127.255
128.169.128.0/1732,768128.169.128.0 – 128.169.255.255
160.37.0.0/1732,768160.37.0.0 – 160.37.127.255
160.37.128.0/1732,768160.37.128.0 – 160.37.255.255
12.204.200.0/2425612.204.200.0 – 12.204.200.255
199.164.138.0/24256199.164.138.0 – 199.164.138.255

IPv6 prefixes

No IPv6 prefixes.

Query AS16989 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS16989&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS16989, with or without a key:

curl "https://api.ipapi.is/?q=128.169.0.1"

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