137.164.4.104
Los Angeles · United States · CENIC
- Autonomous system
- AS2152
- Country
- US
- Risk score
- Not a probability
IP address summary
- IP address
- 137.164.4.104
- ASN
- AS2152
- Network operator
- CENIC
- ISP
- CENIC
- Containing network profile
- 137.164.0.0/16
- 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
- AS2037
- Source label
- CSUFRESNO - California State University at Fresno
- Reference interval
- 137.164.4.104 to 137.164.4.111
- Collected
IPtoASN maps this address interval to AS2037. An interval is not necessarily a BGP prefix or registered allocation. It does not establish geolocation or ownership.
IP geolocation
- Country
- United States
- City
- Los Angeles
- Region
- California
- Postal code
- Not supplied
- Timezone
- America/
Los_ Angeles - Local time
- Approximate coordinates
- 33.831, -118.046
Network-level coordinates do not identify a precise user or device location. How geolocation works
VPN, proxy and network signals
0/ 100
- Threat evidence
- 0No threat-feed match
- Anonymity context
- 0Policy points
Score = max(threat, anonymity). Overlapping signals are not added.
Attribution and snapshot details
- DROP IPv4Current at lookup
- Checked:
Valid until: - ASN-DROPCurrent at lookup
- Checked:
Valid until:
© 2026 The Spamhaus Project SLU. DROP · Attribution and snapshot details
ipquery-risk-v2A low score is not proof that an address is safe. This assessment describes an address, not a person or a request.
View scoring methodASN and network operator
AS2152 profile- Organization
- CENIC
- ASN domain
- cenic.org
- Operator type
- Academic
The ASN organization can differ from the organization using an individual address.
Network registration
- Matching record range
- 137.164.0.0 – 137.164.50.255
- Registered network name
- CALREN
- Registered network block
- 137.164.0.0/16
- Registration source
- ARIN RDAP
- Company
- CENIC
- Usage type
- business
- Company website
- cenic.org
Registration and company fields describe this source record. They can differ from the ASN operator and from live routing announcements.
Abuse contact
- Contact name
- CENIC Abuse
- Published contact network
- 137.164.0.0/16
- Abuse email
- abuse@cenic.org
- Phone
- +1-714-220-3494
- Postal address
- 16700 Valley View Ave., Suite 400, La Mirada, CA, 90638, 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": "137.164.4.104",
"isp": {
"asn": "AS2152",
"org": "CENIC",
"isp": "CENIC"
},
"location": {
"country": "United States",
"country_code": "US",
"city": "Los Angeles",
"state": "California",
"zipcode": "",
"latitude": 33.83121159981334,
"longitude": -118.04612799087185,
"timezone": "America/Los_Angeles",
"localtime": "2026-11-05T09:18:00"
},
"risk": {
"is_mobile": false,
"is_vpn": false,
"is_tor": false,
"is_proxy": false,
"is_datacenter": false,
"risk_score": 0,
"assessment": {
"version": "ipquery-risk-v2",
"level": "none",
"threat_score": 0,
"anonymity_score": 0,
"coverage": "fresh",
"reasons": [],
"sources": [
{
"id": "spamhaus_drop_v4",
"status": "fresh",
"checked_at": "2026-11-05T04:15:06Z",
"expires_at": "2026-11-06T06:15:06Z",
"published_at": "2026-11-04T18:44:02Z"
},
{
"id": "spamhaus_asndrop",
"status": "fresh",
"checked_at": "2026-11-05T04:15:06Z",
"expires_at": "2026-11-06T06:15:06Z",
"published_at": "2026-11-05T03:44:02Z"
}
]
}
}
}