204.237.133.0

Redwood City · United States · PubMatic, Inc.

Hosting

Registration lookup

Autonomous system: AS62713
Country: US
Legacy classification score: Not a probability

IP address summary

IP address: 204.237.133.0
ASN: AS62713
Network operator: PubMatic, Inc.
ISP: PubMatic, Inc.
Containing network profile: 204.237.0.0/16
Operator category: CDN

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

Public ASN reference

Reference ASN: AS62713
Source label: AS-PUBMATIC - PubMatic, Inc.
Reference interval: 204.237.133.0 to 204.237.133.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS62713. 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: Redwood City
Region: California
Postal code: Not supplied
Timezone: America/Los_Angeles
Local time: 2026-11-08 19:57:44
Approximate coordinates: 37.496, -122.218

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

HostingClassified

MobileNot classified

Legacy classification score: 0

This response predates the evidence-based model.

Read exact field definitions

ASN and network operator

AS62713 profile

Organization: PubMatic, Inc.
ASN domain: pubmatic.com
Operator type: CDN

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

Network registration

Matching record range: 204.237.133.0/24
Registered network name: PUBMATIC-GTT
Registered network block: 204.237.133.0/24
Registration source: ARIN RDAP
Company: Pubmatic
Usage type: hosting
Company website: pubmatic.com

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

Abuse contact

Contact name: GTT Abuse Department
Published contact network: 204.237.128.0/17
Abuse email: abuse@gtt.net
Phone: +1-703-442-5500
Postal address: 4201 Wilson Blvd., Suite 504 North Tower, Arlington, VA, 22203, 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

204.237.133.0 · live response

{
  "ip": "204.237.133.0",
  "isp": {
    "asn": "AS62713",
    "org": "PubMatic, Inc.",
    "isp": "PubMatic, Inc."
  },
  "location": {
    "country": "United States",
    "country_code": "US",
    "city": "Redwood City",
    "state": "California",
    "zipcode": "",
    "latitude": 37.49575159981333,
    "longitude": -122.21793799087186,
    "timezone": "America/Los_Angeles",
    "localtime": "2026-11-08T19:57:44"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": true,
    "risk_score": 0
  }
}