Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS18383
CAHI-AS-JP - CAHI Corporation, Announcing routesAS nameCAHI-AS-JP
OrganisationCAHI Corporation
CountryJP
Registry (RIR)APNIC
HandleAS18383
RangeAS18383
Registered04 Sep 2008
Last changed06 Jun 2022
Abuse contact[email protected]
1IPv4 prefixes
0IPv6 prefixes
1Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS7529 | NETIRD - GMO NetIRD, Inc. | 144 |
Downstreams
None seen.
IPv4 prefixes (1)
RPKI-validate all prefixes of AS18383
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| abuse | IRT-CAHI-JP | IRT-CAHI-JP | [email protected], [email protected] | Kyoto Research Park Bldg., 93 Chudoji-Awatacho,, Shimogyo, Kyoto 600-8815 JAPAN |
| administrative, technical | Hiroki Nakano | HN21-AP | [email protected], +81-75-316-6111, +81-75-316-6112 | Kyoto Research Park Bldg., 93 Chudoji-Awatacho,, Shimogyo, Kyoto 600-8815 JAPAN |
| registrant | CAHI Corporation | ORG-CC20-AP | [email protected], +81-75-316-6111, +81-75-316-6112 | Kyoto Research Park Bldg., 93 Chudoji Awatacho |
Raw registry response
{
"rdapConformance": [
"history_version_0",
"nro_rdap_profile_0",
"nro_rdap_profile_asn_hierarchical_0",
"cidr0",
"rdap_level_0"
],
"notices": [
{
"title": "Source",
"description": [
"Objects returned came from source",
"APNIC"
]
},
{
"title": "Terms and Conditions",
"description": [
"This is the APNIC WHOIS Database query service. The objects are in RDAP format."
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18383",
"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://rdap.apnic.net/autnum/18383",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "JP",
"name": "CAHI-AS-JP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:34Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-06-06T00:03:27Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18383",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/18383",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"CAHI Corporation,",
"Internet Service Provider,",
"Kyoto"
],
"title": "description"
},
{
"description": [
"mailto: [email protected]"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2015-05-27T01:00:17Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-09T02:48:09Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18383",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CAHI-JP",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-09-09"
],
"title": "remarks"
}
],
"handle": "IRT-CAHI-JP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-CAHI-JP"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Kyoto Research Park Bldg.\n93 Chudoji-Awatacho,\nShimogyo, Kyoto 600-8815 JAPAN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative",
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:20Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:29:20Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18383",
"rel": "self",
"href": "https://rdap.apnic.net/entity/HN21-AP",
"type": "application/rdap+json"
}
],
"handle": "HN21-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Hiroki Nakano"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Kyoto Research Park Bldg.\n93 Chudoji-Awatacho,\nShimogyo, Kyoto 600-8815 JAPAN"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+81-75-316-6111"
],
[
"tel",
{
"type": "fax"
},
"text",
"+81-75-316-6112"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2019-06-11T12:58:23Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T02:14:52Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/18383",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-CC20-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-CC20-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"CAHI Corporation"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Kyoto Research Park Bldg.\n93 Chudoji Awatacho"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+81-75-316-6111"
],
[
"tel",
{
"type": "fax"
},
"text",
"+81-75-316-6112"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS18383",
"startAutnum": 18383,
"endAutnum": 18383,
"objectClassName": "autnum",
"port43": "whois.apnic.net"
}Results come from public internet registries and live global routing data. Results are cached for up to an hour. Lookups are logged with your IP address to prevent abuse — see our Privacy Policy.