University of Texas System
Data as of 2026-08-23
BGP inherited
Cluster stats
| Netblocks | 49 · 858,880 IPv4 addresses |
| IPv6 | 2 prefixes (largest 2605:2800:100::/40) |
| All fragments | 58 blocks across 2 clusters |
| Cluster ID | 226912975 |
| Registry | BGP |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | BGP parent (inherited) |
| Shared handles | clustered on 8 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
9 weekly snapshots · JSON
56
+32 netblocks since 2026-07-05
2026-07-05
peak 56
2026-08-23
IP Ranges (49)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 129.114.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 129.117.0.0/16 | University of Texas System | BGP | ANNOUNCED | ● high |
| 192.12.10.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.12.22.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.16.72.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.16.74.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.26.49.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.48.134.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.48.135.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.67.11.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.88.12.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.88.13.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.220.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.221.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.222.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.223.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.225.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.226.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.227.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.228.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.229.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.230.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.231.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.232.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.233.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.124.234.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 192.138.168.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 192.195.222.0/24 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 198.153.169.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.213.0.0/16 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.214.0.0/16 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.214.2.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.214.4.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.214.6.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 198.215.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 198.216.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 204.158.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 204.158.144.0/20 | University of Texas System | BGP | ANNOUNCED | ● high |
| 204.158.160.0/19 | University of Texas System | BGP | ANNOUNCED | ● high |
| 205.165.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 206.76.0.0/15 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 206.77.0.0/16 | University of Texas System | BGP | ANNOUNCED | ● high |
| 206.77.62.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 206.77.63.0/24 | University of Texas System | BGP | ANNOUNCED | ● high |
| 206.254.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 207.64.0.0/16 | University of Texas System | BGP | ANNOUNCED | ● high |
| 207.80.0.0/16 | University of Texas System | ARIN | DIRECT ALLOCATION | ● high |
| 2605:2800:100::/40 | University of Texas System | BGP | ANNOUNCED | ● high |
| 2605:2800:101::/48 | University of Texas System | BGP | ANNOUNCED | ● high |
IPv6 ranges (2)
Domains hosted in this network
what's this?Network trust
what's this?
RPKI hygiene: D
how networks compare →
32.1%
of checked blocks have valid RPKI ROA coverage
(18 of 56)
Possible discrepancies (1)
These blocks are registered to University of Texas System but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 192.12.22.0/24 /24 | authorized for AS10399 — Waller Creek Communications |
NIC Handles
ABUSE3227-ARIN
AS10812
AS276
AS3354
NAC25-ARIN
UTS-2
UTS-2-Z
ZU82-ARIN