Organization
MKInet-CIDR-BLK-JP
Location
Chiyoda City
Tokyo, Japan (JP)
Hostname
—
Geolocation
Japan (JP) Japan
- Country
- Japan (JP)
- Region
- Tokyo
- City
- Chiyoda City
- Continent
- Asia
- Coordinates
- 35.6916, 139.768 View on map ↗
Network Information
IP Range 211.19.36.0 – 211.19.39.255 CIDR 211.19.36.0/22 Network Name MKInet-CIDR-BLK-JP Handle 211.19.36.0 - 211.19.39.255 Country Japan (JP) Registry APNIC Description MITSUI KNOWLEDGE INDUSTRY CO., LTD. Last Updated Apr 10, 2026 Status
active
ASN & Routing
Origin AS AS10006 AS Name SECOMTRUST - SECOM Trust Systems Co.,Ltd., JP Announced Prefix 211.19.38.0/24 AS Registry APNIC Prefix Country Japan (JP) Allocated 1999-11-22 RPKI Origin Not found (no ROA covers this prefix)
Reverse DNS
No PTR record is published for this address.
Abuse Contact
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/211.19.38.0",
"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/211.19.38.0",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "MKInet-CIDR-BLK-JP",
"status": [
"active"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2026-04-10T04:02:11Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/211.19.38.0",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/ip/211.19.36.0/22",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"MITSUI KNOWLEDGE INDUSTRY CO., LTD."
],
"title": "description"
},
{
"description": [
"Email address for spam or abuse complaints : [email protected]"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2022-01-05T03:04:02Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/211.19.38.0",
"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]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "last changed",
"eventDate": "2025-09-04T01:00:00Z"
}
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/211.19.38.0",
"rel": "self",
"href": "https://jpnic.rdap.apnic.net/entity/IRT-JPNIC-JP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2024-11-27"
],
"title": "remarks"
}
],
"handle": "IRT-JPNIC-JP",
"objectClassName": "entity",
"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]"
]
]
]
},
{
"roles": [
"technical",
"administrative"
],
"links": [
{
"value": "https://jpnic.rdap.apnic.net/ip/211.19.38.0",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00015980/e",
"type": "text/html",
"hreflang": "en"
},
{
"value": "https://jpnic.rdap.apnic.net/ip/211.19.38.0",
"rel": "related",
"href": "http://whois.nic.ad.jp/cgi-bin/whois_gw?key=JP00015980",
"type": "text/html",
"hreflang": "jp"
}
],
"handle": "JP00015980",
"objectClassName": "entity"
}
],
"handle": "211.19.36.0 - 211.19.39.255",
"type": null,
"startAddress": "211.19.36.0",
"endAddress": "211.19.39.255",
"objectClassName": "ip network",
"ipVersion": "v4",
"cidr0_cidrs": [
{
"v4prefix": "211.19.36.0",
"length": 22
}
],
"port43": "whois.apnic.net"
} Contact details of private individuals are redacted.