129.112.176.89
Reputation · trust score
A transparent 0–100 signal. Every entity starts at a neutral baseline of 65; threat-intel blocklists, exposure, reverse-DNS, routing and allocation each adjust it up or down. Higher is more trustworthy.
- Baseline (neutral) 65
- Academic allocation +6
- Long-established allocation (39y) +6
- Not on any threat blocklist +5
- Trust score 82 / 100
Experimental · trust-vectors model v1.2.1 — a transparent heuristic, not a definitive verdict. How it works →
Reverse DNS history
How this IP's reverse DNS (PTR) has changed over time, from our scans.
- no PTR — Sep 25, 2026 → present
- pw-utswdw0ln94.dhcp.swmed.org — Aug 24, 2026 → Sep 25, 2026
- no PTR — Jul 8, 2026 → Aug 24, 2026
- desktop-jkiursd.dhcp.swmed.org — Jun 27, 2026 → Jul 8, 2026
Network Allocation for 129.112.176.89
- CIDR range
- 129.112.160.0/19
- IP range (int)
- 2,171,641,856 — 2,171,650,047
- Prefix length
- /19
- Organization
- University of Texas Southwestern Medical Center
- ASN
- AS13998
- ASN name
- University of Texas Southwestern Medical Center
- Location
- Dallas, Texas, United States
- Coordinates
- 32.788900, -96.802100
- Accuracy radius
- 5 km
- Postal code
- 75201
- Regional Internet Registry
- ARIN
- Allocated
- 1987-11-06
- Data source(s)
- maxmind_city, maxmind_asn, ipinfo_lite, maxmind_country
- Last updated
- 2026-09-30 05:24:10
BGP Routing
Live BGP anomalies →Origin AS announcing the most-specific prefix that covers this IP, observed across our RIPE RIS collectors.
Frequently Asked Questions
Who owns 129.112.176.89?
129.112.176.89 is allocated to University of Texas Southwestern Medical Center (AS13998), registered in Dallas, United States.
Where is 129.112.176.89 located?
The geolocation for 129.112.176.89 maps to Dallas, United States based on MaxMind GeoLite2 data. Accuracy depends on the provider and may represent the ISP's regional hub rather than the exact endpoint.
What network is 129.112.176.89 on?
129.112.176.89 belongs to the 129.112.160.0/19 network block announced by AS13998. This range contains 8,192 addresses.
Does 129.112.176.89 have a reverse DNS record?
Reverse DNS (PTR) records are resolved live when you visit this page. If a PTR record exists, it appears in the Reverse DNS field above. PTR records map IP addresses back to hostnames and are commonly used for email authentication and network diagnostics.
Neighbors
Other addresses in the same /24.
