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166.100.0.31

ISP Data retrieved at

Network

ASN

AS2687 Registry (RIR): APNIC 166.100.0.0/16

IP Range

166.100.0.0 – 166.100.255.255 Range: 166.100.0.0/16 Detected.

Company

AT&T Enterprises, LLC

Registrant

AT&T Japan K.K. NMS Using networksdb.io for network lookups.

Hostname

Not available.

AS Domain

att.com Using host.io for pre-visualize domains.

Type

ISP

Handle

166.100.0.0 - 166.100.255.255

Registered

2008-09-04

Last Changed

2020-07-22

View raw RDAP

{
  "rdapConformance": [
    "history_version_0",
    "nro_rdap_profile_0",
    "cidr0",
    "rdap_level_0"
  ],
  "notices": [
    {
      "title": "Source",
      "description": [
        "Objects returned came from source",
        "APNIC"
      ]
    },
    {
      "title": "Terms and Conditions",
      "description": [
        "This is the APNIC WHOIS Database query service. The objects are in RDAP format."
      ],
      "links": [
        {
          "value": "https://rdap.apnic.net/ip/166.100.0.31",
          "rel": "terms-of-service",
          "href": "http://www.apnic.net/db/dbcopyright.html",
          "type": "text/html"
        }
      ]
    },
    {
      "title": "Whois Inaccuracy Reporting",
      "description": [
        "If you see inaccuracies in the results, please visit: "
      ],
      "links": [
        {
          "value": "https://rdap.apnic.net/ip/166.100.0.31",
          "rel": "inaccuracy-report",
          "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
          "type": "text/html"
        }
      ]
    }
  ],
  "country": "JP",
  "name": "NMS",
  "status": [
    "active"
  ],
  "events": [
    {
      "eventAction": "registration",
      "eventDate": "2008-09-04T06:53:00Z"
    },
    {
      "eventAction": "last changed",
      "eventDate": "2020-07-22T06:38:35Z"
    }
  ],
  "links": [
    {
      "value": "https://rdap.apnic.net/ip/166.100.0.31",
      "rel": "self",
      "href": "https://rdap.apnic.net/ip/166.100.0.0/16",
      "type": "application/rdap+json"
    }
  ],
  "remarks": [
    {
      "description": [
        "AT&T Japan K.K."
      ],
      "title": "description"
    }
  ],
  "entities": [
    {
      "roles": [
        "abuse"
      ],
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2010-11-15T10:22:50Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2026-10-23T19:16:43Z"
        }
      ],
      "links": [
        {
          "value": "https://rdap.apnic.net/ip/166.100.0.31",
          "rel": "self",
          "href": "https://rdap.apnic.net/entity/IRT-ATT-OPENNET-AP",
          "type": "application/rdap+json"
        }
      ],
      "remarks": [
        {
          "description": [
            "[email protected] was validated on 2026-07-03"
          ],
          "title": "remarks"
        }
      ],
      "handle": "IRT-ATT-OPENNET-AP",
      "objectClassName": "entity",
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "IRT-ATT-OPENNET-AP"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "All of AP"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ],
          [
            "email",
            {
              "pref": "1"
            },
            "text",
            "[email protected]"
          ]
        ]
      ]
    },
    {
      "roles": [
        "registrant"
      ],
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2017-08-08T23:26:59Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2023-09-05T02:14:44Z"
        }
      ],
      "links": [
        {
          "value": "https://rdap.apnic.net/ip/166.100.0.31",
          "rel": "self",
          "href": "https://rdap.apnic.net/entity/ORG-AJK1-AP",
          "type": "application/rdap+json"
        }
      ],
      "handle": "ORG-AJK1-AP",
      "objectClassName": "entity",
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "AT&T Japan K.K."
          ],
          [
            "kind",
            {},
            "text",
            "org"
          ],
          [
            "adr",
            {
              "label": "Toranomon Twin Bldg\n2-10-1 Toranomon\nAT&T PO: PR515809"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
            "+81-3-3582-2304"
          ],
          [
            "tel",
            {
              "type": "fax"
            },
            "text",
            "+81-3-3505-1771"
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ]
        ]
      ]
    },
    {
      "roles": [
        "technical",
        "administrative"
      ],
      "events": [
        {
          "eventAction": "registration",
          "eventDate": "2008-09-04T07:54:16Z"
        },
        {
          "eventAction": "last changed",
          "eventDate": "2015-08-10T11:30:02Z"
        }
      ],
      "links": [
        {
          "value": "https://rdap.apnic.net/ip/166.100.0.31",
          "rel": "self",
          "href": "https://rdap.apnic.net/entity/AD103-AP",
          "type": "application/rdap+json"
        }
      ],
      "remarks": [
        {
          "description": [
            "Send spam or abuse report to [email protected]",
            "and please include detailed information and time.",
            "Send general query to [email protected]."
          ],
          "title": "remarks"
        }
      ],
      "handle": "AD103-AP",
      "objectClassName": "entity",
      "vcardArray": [
        "vcard",
        [
          [
            "version",
            {},
            "text",
            "4.0"
          ],
          [
            "fn",
            {},
            "text",
            "AGNS DOMCUST"
          ],
          [
            "kind",
            {},
            "text",
            "group"
          ],
          [
            "adr",
            {
              "label": "Shinnikko-Building, 2-10-1,\nToranomon, Minato-ku,\nTOKYO, 105-0001, Japan"
            },
            "text",
            [
              "",
              "",
              "",
              "",
              "",
              "",
              ""
            ]
          ],
          [
            "tel",
            {
              "type": "voice"
            },
            "text",
            "+81-3-3584-4776"
          ],
          [
            "tel",
            {
              "type": "fax"
            },
            "text",
            "+81-3-3505-1771"
          ],
          [
            "email",
            {},
            "text",
            "[email protected]"
          ]
        ]
      ]
    }
  ],
  "handle": "166.100.0.0 - 166.100.255.255",
  "type": "ALLOCATED PORTABLE",
  "startAddress": "166.100.0.0",
  "endAddress": "166.100.255.255",
  "objectClassName": "ip network",
  "ipVersion": "v4",
  "cidr0_cidrs": [
    {
      "v4prefix": "166.100.0.0",
      "length": 16
    }
  ],
  "port43": "whois.apnic.net"
}

Security

No security threats detected for this IP.