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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.217.37 IPv4

AS24287

TEIN2-JP - National Institute of Informatics Announcing routes
AS nameTEIN2-JP
CountryJP
Registry (RIR)APNIC
HandleAS24287
RangeAS24287
Registered—
Last changed22 Jun 2007
Abuse contact[email protected]
1IPv4 prefixes
1IPv6 prefixes
3Upstreams
4Downstreams

Upstreams

ASNetwork nameVisibility
AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics219
AS24490TEIN2-SG-AP - Trans-Eurasia Information Network (TEIN2) - SG146
AS7660APAN-JP - Asia Pacific Advanced Network - Japan88

Downstreams

ASNetwork nameVisibility
AS2907SINET-AS - Research Organization of Information and Systems, National Institute of Informatics99
AS24490TEIN2-SG-AP - Trans-Eurasia Information Network (TEIN2) - SG80
AS7660APAN-JP - Asia Pacific Advanced Network - Japan46
AS24489TEIN2-NORTH-AP - Trans-Eurasia Information Network (TEIN2) - North27
IPv4 prefixes (1)
IPv6 prefixes (1)

RPKI-validate all prefixes of AS24287

Contacts

RoleNameHandleEmail / phoneAddress
technical, administrativeJapan Network Information CenterJNIC1-AP[email protected], +81-3-5297-2311, +81-3-5297-2312Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan
technical, administrativeJP00006158
abuseIRT-JPNIC-JPIRT-JPNIC-JP[email protected], [email protected], +81-3-5297-2311, +81-3-5297-2312Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, japan
Raw registry response
{
    "rdapConformance": [
        "nro_rdap_profile_0",
        "nro_rdap_profile_asn_hierarchical_0",
        "cidr0",
        "rdap_level_0"
    ],
    "notices": [
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "JPNIC"
            ]
        },
        {
            "title": "Terms and Conditions",
            "description": [
                "This is the APNIC WHOIS Database query service. The objects are in RDAP format.",
                "This information has been partially mirrored by APNIC from JPNIC. To obtain more specific information, please use the JPNIC WHOIS Gateway at http://www.nic.ad.jp/en/db/whois/en-gateway.html or whois.nic.ad.jp for WHOIS client. (The WHOIS client defaults to Japanese output, use the /e switch for English output)"
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/24287",
                    "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://jpnic.rdap.apnic.net/autnum/24287",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "JP",
    "name": "TEIN2-JP",
    "status": [
        "active"
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2007-06-22T01:05:11Z"
        }
    ],
    "links": [
        {
            "value": "https://jpnic.rdap.apnic.net/autnum/24287",
            "rel": "self",
            "href": "https://jpnic.rdap.apnic.net/autnum/24287",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "National Institute of Informatics"
            ],
            "title": "description"
        }
    ],
    "entities": [
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2022-01-05T03:04:02Z"
                }
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/24287",
                    "rel": "self",
                    "href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "JNIC1-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Japan Network Information Center"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, Japan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+81-3-5297-2311"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+81-3-5297-2312"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/24287",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00006158/e",
                    "type": "text/html",
                    "hreflang": "en"
                },
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/24287",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00006158",
                    "type": "text/html",
                    "hreflang": "jp"
                }
            ],
            "handle": "JP00006158",
            "objectClassName": "entity"
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-10-20T09:11:46Z"
                }
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/autnum/24287",
                    "rel": "self",
                    "href": "https://jpnic.rdap.apnic.net/entity/IRT-JPNIC-JP",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "[email protected] was validated on 2024-11-27"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "IRT-JPNIC-JP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-JPNIC-JP"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda\nChiyoda-ku, Tokyo 101-0047, japan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+81-3-5297-2311"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+81-3-5297-2312"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        }
    ],
    "handle": "AS24287",
    "startAutnum": 24287,
    "endAutnum": 24287,
    "objectClassName": "autnum",
    "port43": "whois.apnic.net"
}

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