Registry · RDAP Original response https://jpnic.rdap.apnic.net/ip/157.17.0.0 Copy record
{
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"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/157.17.0.0",
"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://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net /manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "REITAKU-NET-CIDR-BLK-JP",
"status": [
"active"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2024-05-22T23:38:03Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net /ip/157.17.0.0/19",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"Reitaku University"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=KK93641JP/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=KK93641JP",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "KK93641JP",
"objectClassName": "entity"
},
{
"roles": [
"administrative",
"technical"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:29:35Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net /entity/HO10-AP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"----------",
"imported from ARIN object:",
"",
"poc-handle: HO9-ARIN",
"is-role: N",
"last-name: Ohtsuka",
"first-name: Hideharu",
"street: Reitaku University International School of Economics and Business Administration 2-1-1 Hikarigaoka, Kashiwa-shi Chiba-ken 277",
"country: JP",
"mailbox: ohtsuka@cs.reitaku-u.ac.jp ",
"bus-phone: +81-471-73-3413",
"reg-date: 1992-08-14",
"changed: hostmaster@arin.poc 19920814",
"source: ARIN",
"",
"----------"
],
"title": "remarks"
}
],
"handle": "HO10-AP",
"objectClassName": "entity",
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[
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[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Hideharu Ohtsuka"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Reitaku University International School of Economics and Business Administration 2-1-1 Hikarigaoka, Kashiwa-shi Chiba-ken 277"
},
"text",
[
"",
"",
"",
"",
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"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+81-471-73-3413"
],
[
"email",
[],
"text",
"ohtsuka@cs.reitaku-u.ac.jp "
]
]
]
},
{
"roles": [
"administrative"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=AK31262JP/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=AK31262JP",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "AK31262JP",
"objectClassName": "entity"
},
{
"roles": [
"technical"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=RN23273JP/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "related",
"href": "http://whois.nic.ad.jp /cgi-bin/whois_gw?key=RN23273JP",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "RN23273JP",
"objectClassName": "entity"
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-10-20T09:11:46Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net /ip/157.17.0.0",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net /entity/IRT-JPNIC-JP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"hostmaster@nic.ad.jp was validated on 2024-11-27"
],
"title": "remarks"
}
],
"handle": "IRT-JPNIC-JP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
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[],
"text",
"4.0"
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[
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"IRT-JPNIC-JP"
],
[
"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 "
],
[
"email",
{
"pref": "1"
},
"text",
"hostmaster@nic.ad.jp "
]
]
]
}
],
"handle": "157.17.0.0 - 157.17.31.255 ",
"type": null,
"startAddress": "157.17.0.0 ",
"endAddress": "157.17.31.255 ",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "157.17.0.0 ",
"length": 19
}
],
"port43": "whois.apnic.net "
} 