AS13998
University of Texas Southwestern Medical Center Unknown registered in United States
13IPv4 prefixes
1IPv6 prefixes
29%RPKI-valid
#17,241AS Rank
327/327RIS visibility
#2,445Rank in United States
1999-10-01Allocated
University of Texas Southwestern Medical Center (AS13998) — Unknown, registered in United States. announces 13 IPv4 prefixes + 1 IPv6 prefixes. Rank in United States: #2445. Allocated: 1999-10-01.
IPv4 13IPv6 1
Announced prefixes · 14
- v4 129.112.0.0/16 unknown
- v4 129.112.109.0/24 unknown
- v4 129.112.115.0/24 unknown
- v4 198.215.176.0/20 valid
- v4 198.215.36.0/22 valid
- v4 198.215.48.0/20 valid
- v4 198.215.96.0/20 valid
- v4 198.241.16.0/20 unknown
- v4 199.165.152.0/23 unknown
- v4 199.165.154.0/24 unknown
- v4 199.242.234.0/23 unknown
- v4 199.242.236.0/22 unknown
- v4 199.249.214.0/24 unknown
- v6 2620:0:840::/48 unknown
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 13 IPv4 · 1 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 12 |
| 2026-06-13 | 12 |
| 2026-06-14 | 14 |
AS topology · Customer cone 1
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