66.4.0.0

Nashville · United States · AT&T Enterprises, LLC

Autonomous system: AS19957
Country: US
Risk score: Not a probability

IP address summary

IP address: 66.4.0.0
ASN: AS19957
Network operator: AT&T Enterprises, LLC
ISP: AT&T Enterprises, LLC
Containing network profile: 66.0.0.0/8
Operator category: Business Broadband

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

Public ASN reference

Reference ASN: AS19957
Source label: STATE-OF-TENNESSEE-NETTN - AT&T Enterprises, LLC
Reference interval: 66.4.0.0 to 66.4.9.255
Collected: 2026-11-02

IPtoASN maps this address interval to AS19957. 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: Nashville
Region: Tennessee
Postal code: Not supplied
Timezone: America/Chicago
Local time: 2026-11-03 07:31:41
Approximate coordinates: 36.179, -86.791

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

AS19957 profile

Organization: AT&T Enterprises, LLC
ASN domain: att.com
Operator type: Business Broadband

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

Network registration

Matching record range: 66.4.0.0/16
Registered network name: TEN-NASH-2BL
Registered network block: 66.4.0.0/15
Registration source: ARIN RDAP
Company: State of Tennessee Department of Education
Usage type: business
Company website: tn.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: Jason Jarrett
Published contact network: 66.4.0.0/15
Abuse email: jason.jarrett@tn.gov
Phone: +1-615-946-2202
Postal address: 710 James Robertson Pkwy, Nashville, TN, 37243, 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

66.4.0.0 · live response

{
  "ip": "66.4.0.0",
  "isp": {
    "asn": "AS19957",
    "org": "AT&T Enterprises, LLC",
    "isp": "AT&T Enterprises, LLC"
  },
  "location": {
    "country": "United States",
    "country_code": "US",
    "city": "Nashville",
    "state": "Tennessee",
    "zipcode": "",
    "latitude": 36.179251599813334,
    "longitude": -86.79093799087185,
    "timezone": "America/Chicago",
    "localtime": "2026-11-03T07:31:41"
  },
  "risk": {
    "is_mobile": false,
    "is_vpn": false,
    "is_tor": false,
    "is_proxy": false,
    "is_datacenter": false,
    "risk_score": 0
  }
}