Domain, IP & ASN lookup.

{
    "rdapConformance": [
        "nro_rdap_profile_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/ip/2001:240:501:2:204:23ff:fecb:8909",
                    "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/ip/2001:240:501:2:204:23ff:fecb:8909",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "JP",
    "name": "IIJ-CIDR-BLK-JP",
    "status": [
        "active"
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2014-08-01T03:26:35Z"
        }
    ],
    "links": [
        {
            "value": "https://jpnic.rdap.apnic.net/ip/2001:240:501:2:204:23ff:fecb:8909",
            "rel": "self",
            "href": "https://jpnic.rdap.apnic.net/ip/2001:240::/32",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Internet Initiative Japan Inc."
            ],
            "title": "description"
        },
        {
            "description": [
                "Email address for spam or abuse complaints : abuse-contact@iij.ad.jp"
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/ip/2001:240:501:2:204:23ff:fecb:8909",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00010080/e",
                    "type": "text/html",
                    "hreflang": "en"
                },
                {
                    "value": "https://jpnic.rdap.apnic.net/ip/2001:240:501:2:204:23ff:fecb:8909",
                    "rel": "related",
                    "href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00010080",
                    "type": "text/html",
                    "hreflang": "jp"
                }
            ],
            "handle": "JP00010080",
            "objectClassName": "entity"
        },
        {
            "roles": [
                "technical",
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2022-01-05T03:04:02Z"
                }
            ],
            "links": [
                {
                    "value": "https://jpnic.rdap.apnic.net/ip/2001:240:501:2:204:23ff:fecb:8909",
                    "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",
                        "hostmaster@nic.ad.jp"
                    ]
                ]
            ]
        }
    ],
    "handle": "2001:0240::/32",
    "type": null,
    "startAddress": "2001:240::",
    "endAddress": "2001:240:ffff:ffff:ffff:ffff:ffff:ffff",
    "objectClassName": "ip network",
    "ipVersion": "v6",
    "cidr0_cidrs": [
        {
            "v6prefix": "2001:240::",
            "length": 32
        }
    ],
    "port43": "whois.apnic.net"
}