129.112.0.0

Dallas · United States · University of Texas Southwestern Medical Center

Autonomous system: AS13998
Country: US
Legacy classification score: Not a probability

IP address summary

IP address: 129.112.0.0
ASN: AS13998
Network operator: University of Texas Southwestern Medical Center
ISP: University of Texas Southwestern Medical Center
Containing network profile: 129.0.0.0/8
Operator category: Academic

The containing profile is the nearest published aggregate. It is not a registry allocation or BGP ownership record.

Public ASN reference

Reference ASN: AS13998
Source label: SWMED - University of Texas Southwestern Medical Center
Reference interval: 129.112.0.0 to 129.112.109.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS13998. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.

IPtoASN source Reference methodology

IP geolocation

World map with country boundaries — Approximate network location; not a device positionNatural Earth map data

Country: United States
City: Dallas
Region: Texas
Postal code: Not supplied
Timezone: America/Chicago
Local time: 2026-11-09 01:38:11
Approximate coordinates: 32.797, -96.816

Network-level coordinates do not identify a precise user or device location. How geolocation works

VPN, proxy and network signals

VPNNot listed

ProxyNot listed

TorNot classified

HostingNot classified

MobileNot classified

Legacy classification score: 0

This response predates the evidence-based model.

Read exact field definitions

ASN and network operator

AS13998 profile

Organization: University of Texas Southwestern Medical Center
ASN domain: utsouthwestern.edu
Operator type: Academic

The ASN organization can differ from the organization using an individual address.

Network registration

Matching record range: 129.112.0.0/16
Registered network name: UTSWMED
Registered network block: 129.112.0.0/16
Registration source: ARIN RDAP
Company: University of Texas Southwestern Medical Center
Usage type: business
Company website: utsouthwestern.edu

Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.

Abuse contact

Contact name: UT Southwestern Medical Center
Published contact network: 129.112.0.0/16
Abuse email: domains@utsouthwestern.edu
Phone: +1-214-648-0642
Postal address: 5323 Harry Hines Blvd., Dallas, TX, 75390, United States
Contact country: United States

This contact is attached to the network record. Include the source IP, UTC timestamps and relevant logs when reporting abuse.

Actual API response

Open JSON

129.112.0.0 · live response

{
  "ip": "129.112.0.0",
  "isp": {
    "asn": "AS13998",
    "org": "University of Texas Southwestern Medical Center",
    "isp": "University of Texas Southwestern Medical Center"
  },
  "location": {
    "country": "United States",
    "country_code": "US",
    "city": "Dallas",
    "state": "Texas",
    "zipcode": "",
    "latitude": 32.797311599813334,
    "longitude": -96.81550799087185,
    "timezone": "America/Chicago",
    "localtime": "2026-11-09T01:38:11"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}