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AS WHOIS

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

Your public IP address216.73.216.205 IPv4

AS7377

UCSD - University of California, San Diego Announcing routes
AS nameUCSD
OrganisationUniversity of California, San Diego
Registry (RIR)ARIN
HandleAS7377
RangeAS7377
Registered25 Nov 1996
Last changed20 Dec 2023
18IPv4 prefixes
2IPv6 prefixes
2Upstreams
1Downstreams

Upstreams

ASNetwork nameVisibility
AS2152CENIC-2152 - CENIC648
AS2153CENIC-2153 - CENIC8

Downstreams

ASNetwork nameVisibility
AS26397OPTIPUTER - The Regents of the University of California - University of California, San Diego.217
IPv4 prefixes (18)
IPv6 prefixes (2)

RPKI-validate all prefixes of AS7377

Contacts

RoleNameHandleEmail / phoneAddress
registrantUniversity of California, San DiegoUCSD-1-ZIT Services, 9500 Gilman Dr, #0903, Attn: Hostmaster, La Jolla, CA, 92093-0903, United States
abuseUCSD Network AbuseUNA13-ARIN[email protected], [email protected], [email protected], +1-858-822-024910280 North Torrey Pines Road, La Jolla, CA, 92093-0903, United States
dns, abuse, noc, administrative, routing, technicalNetwork Operations CenterNOC1807-ARIN[email protected], [email protected], [email protected], [email protected], +1-858-822-0249IT Services, Mail Code 0928, Attn: Malerie Samadi, 9500 Gilman Dr, La Jolla, CA, 92093-0928, United States
Raw registry response
{
    "endAutnum": 7377,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-15T21:55:07-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2026-05-15T21:55:07-04:00"
                        }
                    ],
                    "handle": "UNA13-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/UNA13-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/7377"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/UNA13-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/7377"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "10280 North Torrey Pines Road\nLa Jolla\nCA\n92093-0903\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "UCSD Network Abuse"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "UCSD"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-858-822-0249"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-02-11T18:21:12-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2005-04-18T19:00:16-04:00"
                        }
                    ],
                    "handle": "NOC1807-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NOC1807-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/7377"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NOC1807-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/7377"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "dns",
                        "abuse",
                        "noc",
                        "administrative",
                        "routing",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "IT Services\nMail Code 0928\nAttn: Malerie Samadi\n9500 Gilman Dr\nLa Jolla\nCA\n92093-0928\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Network Operations Center"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "University of California, San Diego"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-858-822-0249"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2026-05-15T21:57:30-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2023-08-23T16:00:52-04:00"
                }
            ],
            "handle": "UCSD-1-Z",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/UCSD-1-Z",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/7377"
                },
                {
                    "href": "https://whois.arin.net/rest/org/UCSD-1-Z",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/7377"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "University of California, San Diego"
                    ],
                    [
                        "adr",
                        {
                            "label": "IT Services\n9500 Gilman Dr, #0903\nAttn: Hostmaster\nLa Jolla\nCA\n92093-0903\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2023-12-19T14:53:20-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "1996-11-25T00:00:00-05:00"
        }
    ],
    "handle": "AS7377",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/7377",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/7377"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS7377",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/7377"
        }
    ],
    "name": "UCSD",
    "notices": [
        {
            "description": [
                "By using the ARIN RDAP/Whois service, you are agreeing to the RDAP/Whois Terms of Use"
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/tou/",
                    "rel": "terms-of-service",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/autnum/7377"
                }
            ],
            "title": "Terms of Service"
        },
        {
            "description": [
                "If you see inaccuracies in the results, please visit: "
            ],
            "links": [
                {
                    "href": "https://www.arin.net/resources/registry/whois/inaccuracy_reporting/",
                    "rel": "inaccuracy-report",
                    "type": "text/html",
                    "value": "https://rdap.arin.net/registry/autnum/7377"
                }
            ],
            "title": "Whois Inaccuracy Reporting"
        },
        {
            "description": [
                "Copyright 1997-2026, American Registry for Internet Numbers, Ltd."
            ],
            "title": "Copyright Notice"
        }
    ],
    "objectClassName": "autnum",
    "port43": "whois.arin.net",
    "rdapConformance": [
        "nro_rdap_profile_0",
        "rdap_level_0",
        "nro_rdap_profile_asn_flat_0"
    ],
    "startAutnum": 7377,
    "status": [
        "active"
    ]
}

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