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
AS7610
NUS-GP-AS-AP - NUS Gigapop Announcing routesAS nameNUS-GP-AS-AP
OrganisationNational University of Singapore
CountrySG
Registry (RIR)APNIC
HandleAS7610
RangeAS7610
Registered04 Sep 2008
Last changed08 Jan 2021
Abuse contact[email protected]
1IPv4 prefixes
1IPv6 prefixes
4Upstreams
1Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS3758 | SINGNET - SingNet | 412 |
| AS4637 | ASN-TELSTRA-GLOBAL - Telstra Global | 39 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 36 |
| AS134148 | SINGAREN-GIX-AS-AP-2 - SingAREN | 5 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS7472 | NUS-AS-AP - NUS Information Technology | 226 |
IPv4 prefixes (1)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS7610
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| abuse | IRT-NUS-SG | IRT-NUS-SG | [email protected], [email protected] | NUS Information Technology, 2 Engineering Drive 4, National University of Singapore, Singapore 117584 |
| registrant | National University of Singapore | ORG-NUOS1-AP | [email protected], +65-6516-7440, +65-6778-0198 | 2 Engineering Drive 4 |
| administrative, technical | NUS Computer Centre Network Group | CN89-AP | [email protected], +65-8742484, +65-7780198 | Computer Centre, 2 Engineering Drive 4, National University of Singapore, Singapore 117584 |
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/7610",
"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/7610",
"rel": "inaccuracy-report",
"href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
"type": "text/html"
}
]
}
],
"country": "SG",
"name": "NUS-GP-AS-AP",
"status": [
"active"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T06:40:27Z"
},
{
"eventAction": "last changed",
"eventDate": "2021-01-08T06:08:58Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/7610",
"rel": "self",
"href": "https://rdap.apnic.net/autnum/7610",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"NUS Gigapop"
],
"title": "description"
}
],
"entities": [
{
"roles": [
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-02-17T06:56:57Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-06T01:31:53Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/7610",
"rel": "self",
"href": "https://rdap.apnic.net/entity/IRT-NUS-SG",
"type": "application/rdap+json"
}
],
"remarks": [
{
"description": [
"[email protected] was validated on 2026-05-06"
],
"title": "remarks"
}
],
"handle": "IRT-NUS-SG",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"IRT-NUS-SG"
],
[
"kind",
[],
"text",
"group"
],
[
"adr",
{
"label": "NUS Information Technology\n2 Engineering Drive 4\nNational University of Singapore\nSingapore 117584"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"email",
[],
"text",
"[email protected]"
],
[
"email",
{
"pref": "1"
},
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"registrant"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2018-07-05T12:57:19Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-05T02:14:43Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/7610",
"rel": "self",
"href": "https://rdap.apnic.net/entity/ORG-NUOS1-AP",
"type": "application/rdap+json"
}
],
"handle": "ORG-NUOS1-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"National University of Singapore"
],
[
"kind",
[],
"text",
"org"
],
[
"adr",
{
"label": "2 Engineering Drive 4"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+65-6516-7440"
],
[
"tel",
{
"type": "fax"
},
"text",
"+65-6778-0198"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
},
{
"roles": [
"administrative",
"technical"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2008-09-04T07:29:13Z"
},
{
"eventAction": "last changed",
"eventDate": "2008-09-04T07:29:13Z"
}
],
"links": [
{
"value": "https://rdap.apnic.net/autnum/7610",
"rel": "self",
"href": "https://rdap.apnic.net/entity/CN89-AP",
"type": "application/rdap+json"
}
],
"handle": "CN89-AP",
"objectClassName": "entity",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"fn",
[],
"text",
"NUS Computer Centre Network Group"
],
[
"kind",
[],
"text",
"individual"
],
[
"adr",
{
"label": "Computer Centre\n2 Engineering Drive 4\nNational University of Singapore\nSingapore 117584"
},
"text",
[
"",
"",
"",
"",
"",
"",
""
]
],
[
"tel",
{
"type": "voice"
},
"text",
"+65-8742484"
],
[
"tel",
{
"type": "fax"
},
"text",
"+65-7780198"
],
[
"email",
[],
"text",
"[email protected]"
]
]
]
}
],
"handle": "AS7610",
"startAutnum": 7610,
"endAutnum": 7610,
"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.