Whois & RDAP Lookup
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RDAPHandleAS2501
NameUTnet
CountryJP
Updated2014-03-19 00:59 UTC
Admin ContactJapan Network Information Center
Email[email protected]
Phone+81-3-5297-2311
AddressUchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan
Tech ContactJapan Network Information Center
Email[email protected]
Phone+81-3-5297-2311
AddressUchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda, Chiyoda-ku, Tokyo 101-0047, Japan
Statusactive
Registry RDAPhttps://rdap.arin.net
Raw RDAP JSON (registry) https://rdap.arin.net
{
"country": "JP",
"endAutnum": 2501,
"entities": [
{
"handle": "MN010JP",
"links": [
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=MN010JP/e",
"hreflang": "en",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
},
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=MN010JP",
"hreflang": "jp",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"objectClassName": "entity",
"roles": [
"technical",
"administrative"
]
},
{
"handle": "YS7474JP",
"links": [
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=YS7474JP/e",
"hreflang": "en",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
},
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=YS7474JP",
"hreflang": "jp",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"objectClassName": "entity",
"roles": [
"technical"
]
},
{
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-05T03:04:02Z"
}
],
"handle": "JNIC1-AP",
"links": [
{
"href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"objectClassName": "entity",
"roles": [
"technical",
"administrative"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"Japan Network Information Center"
],
[
"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",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2014-03-19T00:59:42Z"
}
],
"handle": "AS2501",
"links": [
{
"href": "https://jpnic.rdap.apnic.net/autnum/2501",
"rel": "self",
"type": "application/rdap+json",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"name": "UTnet",
"notices": [
{
"description": [
"Objects returned came from source",
"JPNIC"
],
"title": "Source"
},
{
"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": [
{
"href": "http://www.apnic.net/db/dbcopyright.html",
"rel": "terms-of-service",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"title": "Terms and Conditions"
},
{
"description": [
"If you see inaccuracies in the results, please visit: "
],
"links": [
{
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"rel": "inaccuracy-report",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/autnum/2501"
}
],
"title": "Whois Inaccuracy Reporting"
}
],
"objectClassName": "autnum",
"port43": "whois.apnic.net",
"rdapConformance": [
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"remarks": [
{
"description": [
"The University of Tokyo"
],
"title": "description"
}
],
"startAutnum": 2501,
"status": [
"active"
]
}Frequently asked questions
What is WHOIS?
WHOIS is a public directory that answers "who is responsible for this?" for domains, IP ranges and ASNs. It lists registration dates, the registrar, nameservers and contacts.
What is RDAP, and how does it differ?
RDAP is the modern replacement for WHOIS. It returns the same records in a structured, consistent format. We query RDAP first and fall back to classic WHOIS text when a registry has not adopted it yet.
What is the difference between a registrar and a registrant?
The registrar is the company you register and manage a domain through, such as xTom or GoDaddy. The registrant is the person or organization that actually holds the domain.
What are nameservers?
Nameservers answer DNS questions for a domain and decide which IP addresses the name resolves to. They also show which DNS provider the domain uses.
What is DNSSEC?
DNSSEC adds cryptographic signatures to DNS answers so they cannot be quietly altered in transit. "Signed" means the domain has it enabled, "unsigned" means it does not.
Why is the contact information redacted?
Privacy laws such as GDPR require registrars to hide most personal details in public records. The abuse contact is usually still shown, so a domain or network can be reported when something goes wrong.