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AS WHOIS

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

Your public IP address216.73.216.215 IPv4

AS19637

AVG19637 - Avago Technologies U.S. Inc. Announcing routes
AS nameAVG19637
OrganisationAvago Technologies U.S. Inc.
Registry (RIR)ARIN
HandleAS19637
RangeAS19637
Registered29 Jan 2001
Last changed19 Sep 2014
Abuse contact[email protected]
99IPv4 prefixes
11IPv6 prefixes
29Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS9498BBIL-AP - BHARTI Airtel Ltd.592
AS3356LEVEL3 - Level 3 Parent, LLC475
AS8220COLT COLT Technology Services Group Limited417
AS6461ZAYO-6461 - Zayo Bandwidth360
AS1299TWELVE99 Arelion Sweden AB336
AS8455ATOM86-AS atom86 BV327
AS3491PCCWG-APAC-HK - PCCW Global (HK) Ltd.311
AS13335CLOUDFLARENET - Cloudflare, Inc.279
AS9930TTNET-MY - TIME dotCom Berhad No. 14, Jalan Majistret U1/26 Hicom Glenmarie Industrial Park 40150 Shah Alam Selangor, Malaysia276
AS4766KIXS-AS-KR-KR - Korea Telecom268
AS9584GENESIS-AP - Diyixian.com Limited264
AS9924TFN-TW - Taiwan Fixed Network, Telco and Network Service Provider.261
AS8866VIVACOM-AS Vivacom Bulgaria EAD259
AS49915MEGAPORT Megaport (UK) Limited258
AS4637ASN-TELSTRA-GLOBAL - Telstra Global252

Downstreams

None seen.

IPv4 prefixes (99)
IPv6 prefixes (11)

RPKI-validate all prefixes of AS19637

Contacts

RoleNameHandleEmail / phoneAddress
registrantAvago Technologies U.S. Inc.ATU-31320 Ridder Park Drive, San Jose, CA, 95131, United States
abuse, administrative, technicalNetwork and Voice ServicesNVS2-ARIN[email protected], +1-888-574-43571320 Ridder Park Drive, San Jose, CA, 95131, United States
routingstephen nuthallNUTHA-ARIN[email protected], +07827 232391910 Hempton Court, Bristol, , BS32 4SR, United Kingdom
Raw registry response
{
    "endAutnum": 19637,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-03-31T07:50:13-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2011-07-14T12:43:45-04:00"
                        }
                    ],
                    "handle": "NVS2-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NVS2-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/19637"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NVS2-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/19637"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "abuse",
                        "administrative",
                        "technical"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1320 Ridder Park Drive\nSan Jose\nCA\n95131\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Network and Voice Services"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Broadcom Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-888-574-4357"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2025-12-29T11:15:28-05:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2020-06-04T08:31:39-04:00"
                        }
                    ],
                    "handle": "NUTHA-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NUTHA-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/19637"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NUTHA-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/19637"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "roles": [
                        "routing"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "910 Hempton Court\nBristol\n\nBS32 4SR\nUnited Kingdom"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "stephen nuthall"
                            ],
                            [
                                "n",
                                [],
                                "text",
                                [
                                    "nuthall",
                                    "stephen",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+07827 232391"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2021-04-19T08:32:43-04:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2006-01-23T08:47:40-05:00"
                }
            ],
            "handle": "ATU-3",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/ATU-3",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/19637"
                },
                {
                    "href": "https://whois.arin.net/rest/org/ATU-3",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/19637"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Avago Technologies U.S. Inc."
                    ],
                    [
                        "adr",
                        {
                            "label": "1320 Ridder Park Drive\nSan Jose\nCA\n95131\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2014-09-19T11:28:52-04:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2001-01-29T00:00:00-05:00"
        }
    ],
    "handle": "AS19637",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/19637",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/19637"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS19637",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/19637"
        }
    ],
    "name": "AVG19637",
    "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/19637"
                }
            ],
            "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/19637"
                }
            ],
            "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": 19637,
    "status": [
        "active"
    ]
}

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