AS13998

Summary

Country	United States
Organization	University of Texas Southwestern Medical Center
Domain	utsouthwestern.edu
Number of IPv4	86,016
Number of IPv6	1.2089× 1024
AS Type	Education
Registry	ARIN
Allocated	October 01, 1999 (about 25 years ago)
Updated	January 29, 2013 (about 11 years ago)

IP Ranges

AS13998 announces 13 IPv4 ranges and 1 IPv6 range.

That's a total of 86,016 IPv4 addresses and 1.2089× 10²⁴ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
129.112.0.0/16	University of Texas Southwestern Medical Center	65,536	ARIN	ALLOCATION
129.112.109.0/24	University of Texas Southwestern Medical Center	256	ARIN	ALLOCATION
129.112.115.0/24	University of Texas Southwestern Medical Center	256	ARIN	ALLOCATION
198.215.36.0/22	University of Texas Southwestern Medical Center	1,024	ARIN	REASSIGNMENT
198.215.48.0/20	Ut Southwestern / Maternal Health And Family Planning	4,096	ARIN	REASSIGNMENT
198.215.96.0/20	Ut Southwestern Medical Center at Dallas	4,096	ARIN	REASSIGNMENT
198.215.176.0/20	Zale Lipshy University Hospital	4,096	ARIN	REASSIGNMENT
198.241.16.0/20	University of Texas Southwestern Medical Center	4,096	ARIN	ALLOCATION
199.165.152.0/23	University of Texas Southwestern Medical Center	512	ARIN	ALLOCATION
199.165.154.0/24	University of Texas Southwestern Medical Center	256	ARIN	ALLOCATION
199.242.234.0/23	University of Texas Southwestern Medical Center	512	ARIN	ALLOCATION
199.242.236.0/22	University of Texas Southwestern Medical Center	1,024	ARIN	ALLOCATION
199.249.214.0/24	University of Texas Southwestern Medical Center	256	ARIN	ALLOCATION

Prefix	Organization	Size	Registry	Status
2620:0:840::/48	University of Texas Southwestern Medical Center	1.2089× 1024	ARIN	ALLOCATION

Peers

There is no peer for AS13998.

Upstreams

There are 3 upstreams for AS13998:

Downstreams

There is no downstream for AS13998.