Organization
NTT-C
Location
Chiyoda
Tokyo, Japan (JP)
Hostname
—
Geolocation
Japan (JP) Japan
- Country
- Japan (JP)
- Region
- Tokyo
- City
- Chiyoda
- Continent
- Asia
- Coordinates
- 35.6916, 139.768 View on map ↗
Network Information
IP Range 2402:c800:ff00:: – 2402:c800:ffff:ffff:ffff:ffff:ffff:ffff CIDR 2402:c800:ff00::/40 Network Name NTT-C Handle 2402:c800:ff00::/40 Country Japan (JP) Registry APNIC Description NTT DOCOMO BUSINESS, Inc. Last Updated Aug 09, 2025 Status
active
ASN & Routing
Origin AS AS37900 AS Name MATSURI - NTT DOCOMO BUSINESS, Inc., JP Announced Prefix 2402:c800:fff1::/48 AS Registry APNIC Prefix Country Japan (JP) Allocated 2008-07-28 RPKI Origin Valid (covered by a matching ROA)
Reverse DNS
No PTR record is published for this address.
Raw RDAP Response
{
"rdapConformance": [
"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/2402:c800:fff1::",
"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/2402:c800:fff1::",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "NTT-C",
"status": [
"active"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-08-09T01:08:02Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/2402:c800:fff1::",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/ip/2402:c800:ff00::/40",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"NTT DOCOMO BUSINESS, Inc."
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/2402:c800:fff1::",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00071138/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/ip/2402:c800:fff1::",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00071138",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "JP00071138",
"objectClassName": "entity"
},
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-05T03:04:02Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/2402:c800:fff1::",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/entity/JNIC1-AP",
"type": "application/rdap+json"
}
],
"handle": "JNIC1-AP",
"objectClassName": "entity",
"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]"
]
]
]
}
],
"handle": "2402:c800:ff00::/40",
"type": null,
"startAddress": "2402:c800:ff00::",
"endAddress": "2402:c800:ffff:ffff:ffff:ffff:ffff:ffff",
"objectClassName": "ip network",
"ipVersion": "v6",
"cidr0_cidrs": [
{
"v6prefix": "2402:c800:ff00::",
"length": 40
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.