137.75.64.0

Boulder · United States · National Oceanic and Atmospheric Administration

Autonomous system: AS3477
Country: US
Risk score: Not a probability

IP address summary

IP address: 137.75.64.0
ASN: AS3477
Network operator: National Oceanic and Atmospheric Administration
ISP: National Oceanic and Atmospheric Administration
Containing network profile: 137.0.0.0/8
Operator category: Government

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

Public ASN reference

Reference ASN: AS3477
Source label: NOAA-NWAVE - National Oceanic and Atmospheric Administration
Reference interval: 137.75.64.0 to 137.75.82.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS3477. 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: Boulder
Region: Colorado
Postal code: Not supplied
Timezone: America/Denver
Local time: 2026-11-04 14:53:07
Approximate coordinates: 39.995, -105.262

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

Risk score: 0

A low score is not proof that an address is safe.

Read exact field definitions

ASN and network operator

AS3477 profile

Organization: National Oceanic and Atmospheric Administration
ASN domain: noaa.gov
Operator type: Government

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

Network registration

Matching record range: 137.75.64.0 – 137.75.121.255
Registered network name: NOAA-NWAVE
Registered network block: 137.75.64.0/18
Registration source: ARIN RDAP
Company: National Oceanic and Atmospheric Administration
Usage type: business
Company website: noaa.gov

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

Abuse contact

Contact name: N-Wave ARIN Abuse
Published contact network: 137.75.64.0/18
Abuse email: nwave-arin-abuse@noaa.gov
Phone: +1-812-856-7477
Postal address: 325 Broadway, NWAVE, Boulder, CO, 80305, 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

137.75.64.0 · live response

{
  "ip": "137.75.64.0",
  "isp": {
    "asn": "AS3477",
    "org": "National Oceanic and Atmospheric Administration",
    "isp": "National Oceanic and Atmospheric Administration"
  },
  "location": {
    "country": "United States",
    "country_code": "US",
    "city": "Boulder",
    "state": "Colorado",
    "zipcode": "",
    "latitude": 39.994951599813334,
    "longitude": -105.26193799087186,
    "timezone": "America/Denver",
    "localtime": "2026-11-04T14:53:07"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}