Whois & RDAP Lookup
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RDAPIP Range210.149.0.0 - 210.149.255.255
Handle210.149.0.0 - 210.149.255.255
NameIIJ-CIDR-BLK-JP
CountryJP
Updated2014-08-01 02:17 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
Abuse Contact[email protected]
Abuse Phone+81-3-5297-2311
Statusactive
Registry RDAPhttps://rdap.apnic.net
Raw WHOIS response
% [whois.apnic.net] % Whois data copyright terms http://www.apnic.net/db/dbcopyright.html % Information related to '210.144.0.0 - 210.159.255.255' % Abuse contact for '210.144.0.0 - 210.159.255.255' is '[email protected]' inetnum: 210.144.0.0 - 210.159.255.255 netname: JPNIC-NET-JP descr: Japan Network Information Center country: JP admin-c: JNIC1-AP tech-c: JNIC1-AP remarks: JPNIC Allocation Block remarks: Authoritative information regarding assignments and remarks: allocations made from within this block can also be remarks: queried at whois.nic.ad.jp. To obtain an English remarks: output query whois -h whois.nic.ad.jp x.x.x.x/e mnt-by: MAINT-JPNIC mnt-irt: IRT-JPNIC-JP status: ALLOCATED PORTABLE last-modified: 2015-12-01T22:31:47Z source: APNIC irt: IRT-JPNIC-JP address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda address: Chiyoda-ku, Tokyo 101-0047, japan e-mail: [email protected] abuse-mailbox: [email protected] phone: +81-3-5297-2311 fax-no: +81-3-5297-2312 admin-c: JNIC1-AP tech-c: JNIC1-AP auth: # Filtered remarks: [email protected] was validated on 2024-11-27 mnt-by: MAINT-JPNIC last-modified: 2025-09-04T01:00:00Z source: APNIC role: Japan Network Information Center address: Uchikanda OS Bldg 4F, 2-12-6 Uchi-Kanda address: Chiyoda-ku, Tokyo 101-0047, Japan country: JP phone: +81-3-5297-2311 fax-no: +81-3-5297-2312 e-mail: [email protected] admin-c: JI13-AP tech-c: JE53-AP nic-hdl: JNIC1-AP mnt-by: MAINT-JPNIC last-modified: 2022-01-05T03:04:02Z source: APNIC % Information related to '210.149.64.0 - 210.149.64.255' inetnum: 210.149.64.0 - 210.149.64.255 netname: IIJNET descr: IIJ Internet country: JP admin-c: JP00010080 tech-c: JP00010080 last-modified: 2023-05-19T18:20:04Z remarks: This information has been partially mirrored by APNIC from remarks: JPNIC. To obtain more specific information, please use the remarks: JPNIC WHOIS Gateway at remarks: http://www.nic.ad.jp/en/db/whois/en-gateway.html or remarks: whois.nic.ad.jp for WHOIS client. (The WHOIS client remarks: defaults to Japanese output, use the /e switch for English remarks: output) source: JPNIC % This query was served by the APNIC Whois Service version 1.88.48 (WHOIS-SG1) % Query time: 446 msec % WHEN: Wed Jul 29 06:43:42 UTC 2026
Raw RDAP JSON (registry) https://rdap.apnic.net
{
"cidr0_cidrs": [
{
"length": 16,
"v4prefix": "210.149.0.0"
}
],
"country": "JP",
"endAddress": "210.149.255.255",
"entities": [
{
"handle": "JP00010080",
"links": [
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00010080/e",
"hreflang": "en",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/ip/210.149.64.0/18"
},
{
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00010080",
"hreflang": "jp",
"rel": "related",
"type": "text/html",
"value": "https://jpnic.rdap.apnic.net/ip/210.149.64.0/18"
}
],
"objectClassName": "entity",
"roles": [
"technical",
"administrative"
]
},
{
"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/ip/210.149.64.0/18"
}
],
"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": "2025-09-04T01:00:00Z"
}
],
"handle": "IRT-JPNIC-JP",
"links": [
{
"href": "https://jpnic.rdap.apnic.net/entity/IRT-JPNIC-JP",
"rel": "self",
"type": "application/rdap+json",
"value": "https://jpnic.rdap.apnic.net/ip/210.149.64.0/18"
}
],
"objectClassName": "entity",
"remarks": [
{
"description": [
"[email protected] was validated on 2024-11-27"
],
"title": "remarks"
}
],
"roles": [
"abuse"
],
"vcardArray": [
"vcard",
[
[
"version",
{},
"text",
"4.0"
],
[
"fn",
{},
"text",
"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",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2014-08-01T02:17:55Z"
}
],
"handle": "210.149.0.0 - 210.149.255.255",
"ipVersion": "v4",
"links": [
{
"href": "https://jpnic.rdap.apnic.net/ip/210.149.0.0/16",
"rel": "self",
"type": "application/rdap+json",
"value": "https://jpnic.rdap.apnic.net/ip/210.149.64.0/18"
}
],
"name": "IIJ-CIDR-BLK-JP",
"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/ip/210.149.64.0/18"
}
],
"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/ip/210.149.64.0/18"
}
],
"title": "Whois Inaccuracy Reporting"
}
],
"objectClassName": "ip network",
"port43": "whois.apnic.net",
"rdapConformance": [
"nro_rdap_profile_0",
"cidr0",
"rdap_level_0"
],
"remarks": [
{
"description": [
"Internet Initiative Japan Inc."
],
"title": "description"
},
{
"description": [
"Email address for spam or abuse complaints : [email protected]"
],
"title": "remarks"
}
],
"startAddress": "210.149.0.0",
"status": [
"active"
],
"type": null
}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.