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AS WHOIS

Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.

Your public IP address216.73.217.37 IPv4

AS23767

A-STAR-AS-AP - A-STAR Announcing routes
AS nameA-STAR-AS-AP
OrganisationA*STAR
CountrySG
Registry (RIR)APNIC
HandleAS23767
RangeAS23767
Registered04 Sep 2008
Last changed31 Oct 2023
Abuse contact[email protected]
29IPv4 prefixes
1IPv6 prefixes
7Upstreams
1Downstreams

Upstreams

ASNetwork nameVisibility
AS18106VIEWQWEST-SG-AP - Viewqwest Pte Ltd246
AS139883SPTEL-AS-AP - SPTEL PTE. LTD.217
AS134148SINGAREN-GIX-AS-AP-2 - SingAREN189
AS149446FIRMUSGRID-AS-AP - Firmus Grid129
AS23855SINGAREN-GIX-AS-AP - Singapore Advanced Research and Education Network76
AS4637ASN-TELSTRA-GLOBAL - Telstra Global25
AS132398SCEI-AS-AP - Science and Engineering Institutes2

Downstreams

ASNetwork nameVisibility
AS134148SINGAREN-GIX-AS-AP-2 - SingAREN2
IPv4 prefixes (29)
IPv6 prefixes (1)

RPKI-validate all prefixes of AS23767

Contacts

RoleNameHandleEmail / phoneAddress
administrative, technicalNetwork SupportNS94-AP[email protected], +65-64196588Agency For Science, Technology And Research, 1 Fusionopolis Way,,
abuseIRT-A-STAR-SGIRT-A-STAR-SG[email protected], [email protected]Agency for Science, Technology and Research, , ,
registrantA*STARORG-AA1-AP[email protected], +65-6826-6111, +65-67771711Agency For Science, Technology And Research, 1 Fusionopolis Way,,
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/23767",
                    "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/23767",
                    "rel": "inaccuracy-report",
                    "href": "https://www.apnic.net/manage-ip/using-whois/abuse-and-spamming/invalid-contact-form",
                    "type": "text/html"
                }
            ]
        }
    ],
    "country": "SG",
    "name": "A-STAR-AS-AP",
    "status": [
        "active"
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2008-09-04T06:40:35Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2023-10-31T09:29:20Z"
        }
    ],
    "links": [
        {
            "value": "https://rdap.apnic.net/autnum/23767",
            "rel": "self",
            "href": "https://rdap.apnic.net/autnum/23767",
            "type": "application/rdap+json"
        }
    ],
    "remarks": [
        {
            "description": [
                "A-STAR",
                "Agency for Science, Technology and Research",
                "Research Data Center",
                "Singapore"
            ],
            "title": "description"
        },
        {
            "description": [
                "A*STAR BGP4 ADMIN"
            ],
            "title": "remarks"
        }
    ],
    "entities": [
        {
            "roles": [
                "administrative",
                "technical"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2008-09-04T07:29:20Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2019-06-25T01:04:09Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/autnum/23767",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/NS94-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "NS94-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Network Support"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "adr",
                        {
                            "label": "Agency For Science, Technology And Research\n1 Fusionopolis Way,\n"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+65-64196588"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2011-05-12T00:45:16Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-08-28T06:56:47Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/autnum/23767",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/IRT-A-STAR-SG",
                    "type": "application/rdap+json"
                }
            ],
            "remarks": [
                {
                    "description": [
                        "[email protected] was validated on 2026-06-10"
                    ],
                    "title": "remarks"
                }
            ],
            "handle": "IRT-A-STAR-SG",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "IRT-A-STAR-SG"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "group"
                    ],
                    [
                        "adr",
                        {
                            "label": "Agency for Science, Technology and Research\n\n\n"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "email",
                        {
                            "pref": "1"
                        },
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        },
        {
            "roles": [
                "registrant"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2017-08-08T23:24:44Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2023-09-05T02:14:55Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.apnic.net/autnum/23767",
                    "rel": "self",
                    "href": "https://rdap.apnic.net/entity/ORG-AA1-AP",
                    "type": "application/rdap+json"
                }
            ],
            "handle": "ORG-AA1-AP",
            "objectClassName": "entity",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "A*STAR"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "adr",
                        {
                            "label": "Agency For Science, Technology And Research\n1 Fusionopolis Way,\n"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "tel",
                        {
                            "type": "voice"
                        },
                        "text",
                        "+65-6826-6111"
                    ],
                    [
                        "tel",
                        {
                            "type": "fax"
                        },
                        "text",
                        "+65-67771711"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ]
                ]
            ]
        }
    ],
    "handle": "AS23767",
    "startAutnum": 23767,
    "endAutnum": 23767,
    "objectClassName": "autnum",
    "port43": "whois.apnic.net"
}

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