Domain, IP & ASN lookup.

{
    "rdapConformance": [
        "nro_rdap_profile_0",
        "cidr0",
        "rdap_level_0"
    ],
    "notices": [
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "TWNIC"
            ]
        },
        {
            "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 TWNIC. To obtain more specific information, please use the TWNIC whois server at whois.twnic.net."
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/61.31.48.0/24",
                    "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://twnic.rdap.apnic.net/ip/61.31.48.0/24",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "TW",
    "name": "ECECL-TW-NET",
    "status": [
        "active"
    ],
    "links": [
        {
            "value": "https://twnic.rdap.apnic.net/ip/61.31.48.0/24",
            "rel": "self",
            "href": "https://twnic.rdap.apnic.net/ip/61.31.48.0/24",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "ching ying co ltd.,",
                "no.22,alley 38,lane 91,sec.1,neihu rd.,",
                "taipei Taiwan"
            ],
            "title": "description"
        },
        {
            "description": [
                "This information has been partially mirrored by APNIC from",
                "TWNIC. To obtain more specific information, please use the",
                "TWNIC whois server at whois.twnic.net."
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
                "administrative",
                "technical"
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/61.31.48.0/24",
                    "rel": "self",
                    "href": "https://twnic.rdap.apnic.net/entity/RCY-TW",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "This information has been partially mirrored by APNIC from",
                        "TWNIC. To obtain more specific information, please use the",
                        "TWNIC whois server at whois.twnic.net."
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "RCY-TW",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Rong Ching Yang"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "ELITEGROUP COMPUTER SYSTEMS CO., LTD.\nNo. 1, Lane 159, Li Teh Rd., Peitou,\nTaipei Taiwan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+886-2-2797-5266 ext 361"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+886-2-2866-1001"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "young_tpe@ecs.com.tw"
                    ]
                ]
            ]
        }
    ],
    "handle": "61.31.48.0 - 61.31.48.255",
    "type": "ASSIGNED NON-PORTABLE",
    "startAddress": "61.31.48.0",
    "endAddress": "61.31.48.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "61.31.48.0",
            "length": 24
        }
    ],
    "port43": "whois.apnic.net"
}