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IPV4

211.252.144.0

Record found
Retrieved · 20 Sep 2026, 11:20 UTC1 sourceView JSON
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01

Registry record

RDAP

https://krnic.rdap.apnic.net/ip/211.252.144.0

Record found
Network name
KORNET-KR
CIDR blocks
211.252.144.0/21
IP version
V4
Network type
ALLOCATED PORTABLE
Country in registry
KR
Status
active
Notices & terms 4

Source

Objects returned came from source KRNIC

Terms and Conditions

This is the APNIC WHOIS Database query service. The objects are in RDAP format. This information has been partially mirrored by APNIC from KRNIC. To obtain more specific information, please use the KRNIC whois server at whois.kisa.or.kr. http://www.apnic.net/db/dbcopyright.html

Whois Inaccuracy Reporting

If you see inaccuracies in the results, please visit: https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form

description

Korea Telecom

Organizations & contacts

3
Administrative
IP Manager
IA9-KR
Type
individual
Address
Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90 KT Head Office
Phone (voice)
+82-2-500-6630
Email
kornet_ip@kt.com

Registry · krnic.rdap.apnic.net

Technical
IP Manager
IM9-KR
Type
individual
Address
Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90 KT Head Office
Phone (voice)
+82-2-500-6630
Email
kornet_ip@kt.com

Registry · krnic.rdap.apnic.net

Abuse
IRT-KRNIC-KR
Type
group
Address
Seocho-ro 398, Seocho-gu, Seoul, Korea
Email
hostmaster@nic.or.kr

Registry · krnic.rdap.apnic.net

Registry · RDAP Original response
https://krnic.rdap.apnic.net/ip/211.252.144.0
{
    "rdapConformance": [
        "nro_rdap_profile_0",
        "cidr0",
        "rdap_level_0"
    ],
    "notices": [
        {
            "title": "Source",
            "description": [
                "Objects returned came from source",
                "KRNIC"
            ]
        },
        {
            "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 KRNIC. To obtain more specific information, please use the KRNIC whois server at whois.kisa.or.kr."
            ],
            "links": [
                {
                    "value": "https://krnic.rdap.apnic.net/ip/211.252.144.0",
                    "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://krnic.rdap.apnic.net/ip/211.252.144.0",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "KR",
    "name": "KORNET-KR",
    "status": [
        "active"
    ],
    "links": [
        {
            "value": "https://krnic.rdap.apnic.net/ip/211.252.144.0",
            "rel": "self",
            "href": "https://krnic.rdap.apnic.net/ip/211.252.144.0/21",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "Korea Telecom"
            ],
            "title": "description"
        }
    ],
    "entities": [
        {
            "roles": [
                "administrative"
            ],
            "links": [
                {
                    "value": "https://krnic.rdap.apnic.net/ip/211.252.144.0",
                    "rel": "self",
                    "href": "https://krnic.rdap.apnic.net/entity/IA9-KR",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "IA9-KR",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IP Manager"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90\nKT Head Office"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
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                        ]
                    ],
                    [
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                            "type": "voice"
                        },
                        "text",
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                    ],
                    [
                        "email",
                        [],
                        "text",
                        "kornet_ip@kt.com"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "technical"
            ],
            "links": [
                {
                    "value": "https://krnic.rdap.apnic.net/ip/211.252.144.0",
                    "rel": "self",
                    "href": "https://krnic.rdap.apnic.net/entity/IM9-KR",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "IM9-KR",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
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                        "4.0"
                    ],
                    [
                        "fn",
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                        "text",
                        "IP Manager"
                    ],
                    [
                        "kind",
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                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "Gyeonggi-do Bundang-gu, Seongnam-si Buljeong-ro 90\nKT Head Office"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+82-2-500-6630"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "kornet_ip@kt.com"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2017-10-19T07:36:36Z"
                }
            ],
            "links": [
                {
                    "value": "https://krnic.rdap.apnic.net/ip/211.252.144.0",
                    "rel": "self",
                    "href": "https://krnic.rdap.apnic.net/entity/IRT-KRNIC-KR",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "IRT-KRNIC-KR",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-KRNIC-KR"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Seocho-ro 398, Seocho-gu, Seoul, Korea"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "hostmaster@nic.or.kr"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "hostmaster@nic.or.kr"
                    ]
                ]
            ]
        }
    ],
    "handle": "211.252.144.0 - 211.252.151.255",
    "type": "ALLOCATED PORTABLE",
    "startAddress": "211.252.144.0",
    "endAddress": "211.252.151.255",
    "objectClassName": "ip network",
    "ipVersion": "v4",
    "cidr0_cidrs": [
        {
            "v4prefix": "211.252.144.0",
            "length": 21
        }
    ],
    "port43": "whois.apnic.net"
}