Domain, IP & ASN lookup.

{
    "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/43.136.0.0/14",
                    "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/43.136.0.0/14",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "AU",
    "name": "APNIC-AP-ERX",
    "status": [
        "administrative"
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2008-09-04T06:51:28Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2023-09-05T01:46:07Z"
        }
    ],
    "links": [
        {
            "value": "https://rdap.apnic.net/ip/43.136.0.0/14",
            "rel": "self",
            "href": "https://rdap.apnic.net/ip/43.0.0.0/8",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Asia Pacific Network Information Center, Pty. Ltd.",
                "Regional Internet Registry for the Asia-Pacific Region",
                "6 Cordelia Street",
                "South Brisbane",
                "QLD 4101",
                "Australia"
            ],
            "title": "description"
        },
        {
            "description": [
                "*************************************************************************",
                "Unresolved Spam complaints to Auto-responder spam@apnic.net.",
                "Unresolved Network Abuse issues to Auto-responder",
                "abuse@apnic.net.",
                "*************************************************************************",
                "This /8 was transfered from ARIN to APNIC on 30 Oct 2007",
                "The original message for this range is as below.",
                "Japan Inet has advised IANA to delegate the management of this /8 to APNIC.",
                "OrgName: Japan Inet",
                "OrgID: JAPANI",
                "Address: Kokusai-Kougyou-Kanda Bldg.",
                "Address: 2-3-4 Uchikanda",
                "Address: Chiyoda-ku",
                "City: Tokyo",
                "StateProv:",
                "PostalCode: 101-0047",
                "Country: JP",
                "",
                "NetRange: 43.0.0.0 - 43.255.255.255",
                "CIDR: 43.0.0.0/8",
                "NetName: JAPAN-A",
                "NetHandle: NET-43-0-0-0-1",
                "Parent:",
                "NetType: Direct Assignment",
                "NameServer: NS1.V6NIC.NET",
                "NameServer: NS2.V6NIC.NET",
                "NameServer: SV01.UBITEQ.CO.JP",
                "NameServer: NS2.MYNET.JP",
                "Comment:",
                "Comment: This IP address range is not registered in the",
                "Comment: ARIN database.",
                "Comment: ** IMPORTANT NOTE:",
                "Comment: IPv6PC do allocate IP addresses as one of the",
                "Comment: Internet registries, but we do not have any",
                "Comment: responsibility for any actions taken from the",
                "Comment: IP addresses we allocate to the service providers.",
                "Comment: The service providers receiving allocation are",
                "Comment: in responsible for the allocated IP address space.",
                "Comment: Therefore, regarding abuse claims for this IP",
                "Comment: addresses range we would like to ask you to",
                "Comment: directly contact the service providers which",
                "Comment: have received allocations from IPv6PC.",
                "Comment: Moreover, the IP addresses within this range",
                "Comment: which are not on the above database are the",
                "Comment: addresses which have not been allocated to any",
                "Comment: organization. Thus, they should not be existing",
                "Comment: in Internet and thought to be feigned.",
                "RegDate: 1989-02-21",
                "Updated: 2007-05-30",
                "",
                "RTechHandle: ZI92-ARIN",
                "RTechName: IPv6 Promotion Council of Japan",
                "RTechPhone: +81-3-3548-2601",
                "RTechEmail: admin@v6nic.net",
                "",
                "OrgTechHandle: ZI92-ARIN",
                "OrgTechName: IPv6 Promotion Council of Japan",
                "OrgTechPhone: +81-3-3548-2601",
                "OrgTechEmail: admin@v6nic.net",
                "----------------------------------------------------------------------------"
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2008-09-04T07:54:15Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-08-26T00:40:00Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.136.0.0/14",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/HM20-AP",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "Administrator for APNIC"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "HM20-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "APNIC Hostmaster"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "PO Box 3646\nSouth Brisbane\nQLD 4101"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+61 7 3858 3100"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+61 7 3858 3199"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "helpdesk@apnic.net"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "technical"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2008-09-04T07:29:15Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-08-26T00:40:01Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.136.0.0/14",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/NO4-AP",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "Administrator for APNIC Network Operations"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "NO4-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "APNIC Network Operations"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "PO Box 3646\nSouth Brisbane\nQLD 4101"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+61 7 3858 3100"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+61 7 3858 3199"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "netops@apnic.net"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2010-11-11T01:36:22Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-11-18T00:26:21Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.136.0.0/14",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/IRT-APNIC-AP",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "APNIC is a Regional Internet Registry.",
                        "We do not operate the referring network and",
                        "are unable to investigate complaints of network abuse.",
                        "For information about IRT, see www.apnic.net/irt",
                        "helpdesk@apnic.net was validated on 2020-02-03"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "IRT-APNIC-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-APNIC-AP"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Brisbane, Australia"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "helpdesk@apnic.net"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "helpdesk@apnic.net"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "registrant"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2020-11-25T05:36:30Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2023-09-05T13:05:31Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/ip/43.136.0.0/14",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/ORG-APNI3-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "ORG-APNI3-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Asia Pacific Network Information Center, Pty. Ltd."
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "adr",
                        {
                            "label": "Level 1 - 33 Park Road"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "helpdesk@apnic.net"
                    ]
                ]
            ]
        }
    ],
    "handle": "43.0.0.0 - 43.255.255.255",
    "type": "ALLOCATED PORTABLE",
    "startAddress": "43.0.0.0",
    "endAddress": "43.255.255.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "43.0.0.0",
            "length": 8
        }
    ],
    "port43": "whois.apnic.net"
}