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AS4158
CITYUNI-AS-AP - City University of Hong Kong Announcing routesAS nameCITYUNI-AS-AP
OrganisationCity University of Hong Kong
CountryHK
Registry (RIR)APNIC
HandleAS4158
RangeAS4158
Registered04 Sep 2008
Last changed10 Oct 2022
Abuse contact[email protected]
9IPv4 prefixes
1IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3662 | HARNET - Joint Universities Computer Centre Limited | 256 |
| AS137207 | JUCC-AS-AP - Joint Universities Computer Centre Limited | 13 |
Downstreams
None seen.
IPv4 prefixes (9)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS4158
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| technical, administrative | City University of Hong Kong - Network Administrator | CUOH2-AP | [email protected], +852 3442 7658 | Tat Chee Avenue, Kowloon, |
| registrant | City University of Hong Kong | ORG-CUOH2-AP | [email protected], +852-3442-7658, +852-3442-0366 | Tat Chee Avenue,, Kowloon, |
| abuse | IRT-CITYUNI-NON-HK | IRT-CITYUNI-NON-HK | [email protected], [email protected] | Tat Chee Avenue, Kowloon,, Hong Kong |
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/4158",
"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/4158",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "HK",
"name": "CITYUNI-AS-AP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:34Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-10-10T12:59:27Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/4158",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/4158",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"City University of Hong Kong"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"technical",
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2018-06-14T01:01:24Z"
},
{
"eventAction": "last changed",
"eventDate": "2018-06-14T01:01:27Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/4158",
"rel": "self",
"href": "https://rdap.apnic.net/entity/CUOH2-AP",
"type": "application/rdap+json"
}
],
"handle": "CUOH2-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"City University of Hong Kong - Network Administrator"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Tat Chee Avenue, Kowloon,"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852 3442 7658"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-11-10T12:56:49Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T02:17:24Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/4158",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-CUOH2-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-CUOH2-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"City University of Hong Kong"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "Tat Chee Avenue,\nKowloon,"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852-3442-7658"
],
[
"tel",
{
"type": "fax"
},
"text",
"+852-3442-0366"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2021-02-18T10:25:29Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-09-10T01:13:03Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/4158",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CITYUNI-NON-HK",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-09-10"
],
"title": "remarks"
}
],
"handle": "IRT-CITYUNI-NON-HK",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-CITYUNI-NON-HK"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "Tat Chee Avenue, Kowloon,\nHong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS4158",
"startAutnum": 4158,
"endAutnum": 4158,
"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.