131.215.0.0
Pasadena · United States · California Institute of Technology
- Autonomous system
- AS31
- Country
- US
- Risk score
IP address summary
- IP address
- 131.215.0.0
- ASN
- AS31
- Network operator
- California Institute of Technology
- ISP
- California Institute of Technology
- Containing network profile
- 131.0.0.0/8
- 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
- AS31
- Source label
- CIT - California Institute of Technology
- Reference interval
- 131.215.0.0 to 131.215.234.255
- Collected
IPtoASN maps this address interval to AS31. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.
IP geolocation
- Country
- United States
- City
- Pasadena
- Region
- California
- Postal code
- Not supplied
- Timezone
- America/
Los_ Angeles - Local time
- Approximate coordinates
- 34.162, -118.153
Network-level coordinates do not identify a precise user or device location. How geolocation works
VPN, proxy and network signals
A low score is not proof that an address is safe.
ASN and network operator
AS31 profile- Organization
- California Institute of Technology
- ASN domain
- caltech.edu
- Operator type
- Academic
The ASN organization can differ from the organization using an individual address.
Network registration
- Matching record range
- 131.215.0.0/16
- Registered network name
- CALTECH-NET
- Registered network block
- 131.215.0.0/16
- Registration source
- ARIN RDAP
- Company
- California Institute of Technology
- Usage type
- business
- Company website
- caltech.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
- Caltech Network Operations Center
- Published contact network
- 131.215.0.0/16
- Abuse email
- noc@caltech.edu
- Phone
- +1-626-395-3500
- Postal address
- 1200 East California Boulevard, MS 1-10, Pasadena, CA, 91125, 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{
"ip": "131.215.0.0",
"isp": {
"asn": "AS31",
"org": "California Institute of Technology",
"isp": "California Institute of Technology"
},
"location": {
"country": "United States",
"country_code": "US",
"city": "Pasadena",
"state": "California",
"zipcode": "",
"latitude": 34.16205159981333,
"longitude": -118.15333799087185,
"timezone": "America/Los_Angeles",
"localtime": "2026-11-11T06:20:43"
},
"risk": {
"is_mobile": false,
"is_vpn": false,
"is_tor": false,
"is_proxy": false,
"is_datacenter": false,
"risk_score": 0
}
}