Home
/ 139.52.0.0/16
139.52.0.0/16
RIR
arin
Country
US
Status
allocated
Allocation date
1990-06-21
Ownership history
Org
Handle
First seen
Last seen
The University of Texas Health Science Center at Houston
NET-139-52-0-0-1
2026-07-16 21:17:09.135000
2026-08-24 11:34:01.675000