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AS3661
ERX-CUHKNET - The Chinese University of Hong Kong Announcing routesAS nameERX-CUHKNET
OrganisationThe Chinese University of Hong Kong
CountryHK
Registry (RIR)APNIC
HandleAS3661
RangeAS3661
Registered04 Sep 2008
Last changed05 Dec 2022
Abuse contact[email protected]
7IPv4 prefixes
2IPv6 prefixes
8Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3662 | HARNET - Joint Universities Computer Centre Limited | 172 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 130 |
| AS137207 | JUCC-AS-AP - Joint Universities Computer Centre Limited | 13 |
| AS4635 | HKIX-RS1 - Hong Kong Internet Exchange--Route Server 1 | 4 |
| AS4641 | HKIX-AS-AP - The Hong Kong Internet Exchange Limited | 2 |
| AS45474 | NEXUSGUARD-AS-AP - Nexusguard Pte. Ltd. | 1 |
| AS7713 | telkomnet-as-ap - PT Telekomunikasi Indonesia | 1 |
| AS8359 | MTS MTS PJSC | 1 |
Downstreams
None seen.
IPv4 prefixes (7)
IPv6 prefixes (2)
RPKI-validate all prefixes of AS3661
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | The Chinese University of Hong Kong | ORG-CUOH1-AP | [email protected], +852-3943-8848, +852-2603-5001 | Information Technology Service Centre, G/F., Pi-Chiu Building |
| administrative | Network Administration Contact | NA17-AP | [email protected], +852-3943-8830, +852-2603-5001 | Information Technology Services Centre,, The Chinese University of Hong Kong,, Shatin, N.T., Hong Kong |
| technical | Network Technical Contact | NT27-AP | [email protected], +852-3943-8830, +852-2603-5001 | Information Technology Services Centre,, The Chinese University of Hong Kong,, Shatin, N.T., Hong Kong |
| abuse | IRT-CUHKNET-HK | IRT-CUHKNET-HK | [email protected], [email protected] | Information Technology Services Centre,, The Chinese University of Hong Kong,, Shatin, N.T., 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/3661",
"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/3661",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "HK",
"name": "ERX-CUHKNET",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:33Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-12-05T02:41:49Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/3661",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/3661",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"The Chinese University of Hong Kong",
"Information Technology Services Centre"
],
"title": "description"
},
{
"description": [
"This aut-num object created as part of the ER-Transfer from ARIN"
],
"title": "remarks"
}
],
"entities": [
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-08-08T23:28:53Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T02:14:42Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/3661",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-CUOH1-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-CUOH1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
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[
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],
[
"kind",
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"text",
"org"
],
[
"adr",
{
"label": "Information Technology Service Centre\nG/F., Pi-Chiu Building"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852-3943-8848"
],
[
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{
"type": "fax"
},
"text",
"+852-2603-5001"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:15Z"
},
{
"eventAction": "last changed",
"eventDate": "2012-09-19T01:45:32Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/3661",
"rel": "self",
"href": "https://rdap.apnic.net/entity/NA17-AP",
"type": "application/rdap+json"
}
],
"handle": "NA17-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Network Administration Contact"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Information Technology Services Centre,\nThe Chinese University of Hong Kong,\nShatin, N.T.\nHong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852-3943-8830"
],
[
"tel",
{
"type": "fax"
},
"text",
"+852-2603-5001"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:15Z"
},
{
"eventAction": "last changed",
"eventDate": "2012-09-19T01:46:08Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/3661",
"rel": "self",
"href": "https://rdap.apnic.net/entity/NT27-AP",
"type": "application/rdap+json"
}
],
"handle": "NT27-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"Network Technical Contact"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Information Technology Services Centre,\nThe Chinese University of Hong Kong,\nShatin, N.T.\nHong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+852-3943-8830"
],
[
"tel",
{
"type": "fax"
},
"text",
"+852-2603-5001"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-12-06T08:49:34Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-13T00:37:13Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/3661",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-CUHKNET-HK",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-05-13"
],
"title": "remarks"
}
],
"handle": "IRT-CUHKNET-HK",
"objectClassName": "entity",
"vcardArray": [
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],
[
"adr",
{
"label": "Information Technology Services Centre,\nThe Chinese University of Hong Kong,\nShatin, N.T.\nHong Kong"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS3661",
"startAutnum": 3661,
"endAutnum": 3661,
"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.