University of Texas Southwestern Medical Center

Data as of 2026-07-26
BGP inherited
Cluster stats
Netblocks14 · 85,504 IPv4 addresses
IPv6 1 prefix (largest 2620:0:840::/48)
All fragments 106 blocks across 12 clusters
Cluster ID214403829
RegistryBGP
Customersfind customers using this network →
Evidence & provenance ?
Attribution BGP parent (inherited)
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

Footprint over time

6 weekly snapshots · JSON
16 +2 netblocks since 2026-07-05
2026-07-05 peak 16 2026-07-26

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
129.112.0.0/16 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
129.112.109.0/24 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
129.112.115.0/24 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
198.215.36.0/22 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
198.215.48.0/20 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
198.215.96.0/20 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
198.215.176.0/20 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
198.241.16.0/20 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
199.165.152.0/23 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
199.165.154.0/24 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
199.242.234.0/23 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
199.242.236.0/22 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
199.249.214.0/24 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high
2620:0:840::/48 University of Texas Southwestern Medical Center BGP ANNOUNCED ● high

IPv6 ranges (1)

CIDR
2620:0:840::/48

Network trust

what's this?
RPKI hygiene: D how networks compare →
25.0% of checked blocks have valid RPKI ROA coverage (4 of 16)
No discrepancies found among checked blocks.

NIC Handles

AS13998 USMC-ARIN USMC-ARIN USMC-ARIN USMCAD-Z