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/27.53.0.0/16",
                    "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/27.53.0.0/16",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "TW",
    "name": "FEG-MPLS-NETWORK-NET",
    "status": [
        "active"
    ],
    "links": [
        {
            "value": "https://twnic.rdap.apnic.net/ip/27.53.0.0/16",
            "rel": "self",
            "href": "https://twnic.rdap.apnic.net/ip/27.53.0.0/16",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Far EasTone Telecommunication Co., Ltd.",
                "334 Sze Chuan Road, Sec. 1",
                "Panchiao , Taipei Hsien Taiwan"
            ],
            "title": "description"
        },
        {
            "description": [
                "For 3.5G User",
                "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": [
                "technical"
            ],
            "links": [
                {
                    "value": "https://twnic.rdap.apnic.net/ip/27.53.0.0/16",
                    "rel": "self",
                    "href": "https://twnic.rdap.apnic.net/entity/KC20-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": "KC20-TW",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Jeff Ho"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "Far EasTone Telecommunications Co., Ltd.\n334, Sze Chuan Road, Sec. 1\nPanchiao, Taipei County Taiwan"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+886-2-2950-7572"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+886-2-2950-5859"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "jfho@fareastone.com.tw"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "administrative"
            ]
        }
    ],
    "handle": "27.53.0.0 - 27.53.255.255",
    "type": "ASSIGNED NON-PORTABLE",
    "startAddress": "27.53.0.0",
    "endAddress": "27.53.255.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "27.53.0.0",
            "length": 16
        }
    ],
    "port43": "whois.apnic.net"
}