Telecom Tower & Network Infrastructure Offerings Across India [email protected]
Home About
Services
Blog
Network tools
Contact Get a Quote
Free network tools

AS WHOIS

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

Your public IP address216.73.217.140 IPv4

AS33650

COMCAST-33650 - Comcast Cable Communications, LLC Announcing routes
AS nameCOMCAST-33650
OrganisationComcast Cable Communications, LLC
Registry (RIR)ARIN
HandleAS33650
RangeAS33650
Registered17 Feb 2005
Last changed26 Jan 2021
Abuse contact[email protected]
12IPv4 prefixes
108IPv6 prefixes
2Upstreams
71Downstreams

Upstreams

ASNetwork nameVisibility
AS7922COMCAST-7922 - Comcast Cable Communications, LLC4261
AS3356LEVEL3 - Level 3 Parent, LLC1551

Downstreams

ASNetwork nameVisibility
AS20940AKAMAI-ASN1 Akamai International B.V.335
AS14203JUNIPER-NETWORKS - Juniper Networks, Inc.289
AS400240NEEBUNET - NEEBU Networks172
AS396402MULTICARE-HEALTH-SYSTEM - MultiCare Health System155
AS32027POS-ASN - Port of Seattle150
AS40410USFRCS-BGP - FRIT147
AS18625DIO-6464 - Data I/O Corporation145
AS15307CHILDRENS-SEATTLE - Childrens Hospital and Regional Medical Center144
AS20168AM-US-AMER-PRECOR-PRECO-11 - Precor Incorporated144
AS395617PLYMOUTH - Plymouth Poultry Company144
AS40391CHSINC - CHS COOPERATIVES FOUNDATION144
AS113076750REI - Recreational Equipment Inc.143
AS32092AAI-BLI-AS - Altair Advanced Industries143
AS36040YOUTUBE - Google LLC143
AS395240CARIAD-US - CARIAD, Inc.143
IPv4 prefixes (12)
IPv6 prefixes (108)
2001:559:8697::/482001:559:30e::/482001:559:c411::/482001:559:5e9::/482001:559:8613::/482001:559:86a4::/482001:559:73e::/482001:559:856c::/482001:559:82d5::/482001:559:c4d1::/482001:559:5a3::/482001:559:8207::/482001:559:115::/482001:559:c3d5::/482001:559:263::/482001:559:8721::/482001:559:c35c::/482001:559:8677::/482001:559:c456::/482001:559:c533::/482001:559:4b9::/482001:559:c28b::/482001:559:8494::/482001:559:327::/482001:559:8664::/482001:559:868d::/482001:559:8699::/482001:559:8474::/482001:559:275::/482001:559:84cd::/482001:559:8675::/482001:559:82e7::/482001:559:c240::/482001:559:580::/482001:559:c217::/482001:559:87a0::/482001:559:8004::/482001:559:8679::/482001:559:c07e::/482001:559:c239::/482001:559:858c::/482001:559:87cb::/482001:559:7d3::/482001:559:c2cd::/482001:559:c476::/482001:559:c20e::/482001:559:268::/482001:559:c29a::/482001:559:861c::/482001:559:c28e::/482001:559:8565::/482001:559:8620::/482001:559:509::/482001:559:c255::/482001:559:c32b::/482001:559:8678::/482001:559:856e::/482001:559:17a::/482001:559:8708::/482001:559:8387::/482001:559:2a6::/482001:559:c275::/482001:559:c0e1::/482001:559:7cc::/482001:559:81e5::/482001:559:c233::/482001:559:33a::/482001:559:7da::/482001:559:86b2::/482001:559:8501::/482001:559:c213::/482001:559:76c::/482001:559:138::/482001:559:8746::/482001:559:c53f::/482001:559:179::/482001:559:c216::/482001:559:c45b::/482001:559:3fb::/482001:559:c0bb::/482001:559:c0fe::/482001:559:c389::/482001:559:332::/482001:559:85d5::/482001:559:8724::/482001:559:c248::/482001:559:744::/482001:559:870d::/482001:559:8102::/482001:559:87b5::/482001:559:5e7::/482001:559:c534::/482001:559:c07f::/482001:559:848e::/482001:559:81b7::/482001:559:c24b::/482001:559:c211::/482001:559:137::/482001:559:83f7::/482001:559:c226::/482001:559:50e::/482001:559:c30f::/482001:559:c463::/482001:559:8530::/482001:559:7a8::/482001:559:7c0::/482001:559:c542::/482001:559:869a::/48

RPKI-validate all prefixes of AS33650

Contacts

RoleNameHandleEmail / phoneAddress
registrantComcast Cable Communications, LLCCCCS1800 Bishops Gate Blvd, Mt Laurel, NJ, 08054, United States
abuseNetwork Abuse and Policy ObservanceNAPO-ARIN[email protected], +1-888-565-43291800 Bishops Gate Blvd, Mount Laurel, NJ, 08054, United States
routingRoutingROUTI25-ARIN[email protected], +1-856-792-23001800 Bishops Gate Blvd, Mt Laurel, NJ, 08054, United States
technical, administrativeComcast Cable Communications IncIC161-ARIN[email protected], +1-856-792-23001800 Bishops Gate Blvd, Mount Laurel, NJ, 08054, United States
Raw registry response
{
    "endAutnum": 33650,
    "entities": [
        {
            "entities": [
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-21T11:13:31-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2002-09-30T17:45:14-04:00"
                        }
                    ],
                    "handle": "NAPO-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/NAPO-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/NAPO-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "This contact is to be used for network abuse, spam/phishing, and legally constituted requests for information or action. It is not for any other purpose."
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "abuse"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1800 Bishops Gate Blvd\nMount Laurel\nNJ\n08054\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Network Abuse and Policy Observance"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Comcast Cable Communications, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-888-565-4329"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-02T12:36:43-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2020-11-18T14:40:04-05:00"
                        }
                    ],
                    "handle": "ROUTI25-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/ROUTI25-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/ROUTI25-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "Issues related to Routing, RPKI, Route Registry.",
                                "Not monitored 24/7.",
                                "Please email, there is no available phone number."
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "routing"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1800 Bishops Gate Blvd\nMt Laurel\nNJ\n08054\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Routing"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Comcast"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-856-792-2300"
                            ]
                        ]
                    ]
                },
                {
                    "events": [
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-09-21T12:18:12-04:00"
                        },
                        {
                            "eventAction": "registration",
                            "eventDate": "2002-06-12T11:30:41-04:00"
                        }
                    ],
                    "handle": "IC161-ARIN",
                    "links": [
                        {
                            "href": "https://rdap.arin.net/registry/entity/IC161-ARIN",
                            "rel": "self",
                            "type": "application/rdap+json",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        },
                        {
                            "href": "https://whois.arin.net/rest/poc/IC161-ARIN",
                            "rel": "alternate",
                            "type": "application/xml",
                            "value": "https://rdap.arin.net/registry/autnum/33650"
                        }
                    ],
                    "objectClassName": "entity",
                    "port43": "whois.arin.net",
                    "remarks": [
                        {
                            "description": [
                                "This is not an Abuse, Spam, or Legal notification POC.",
                                "Please use [email protected] for all security, takedown, and emergency issues. This IP Registration address cannot address those issues.",
                                "Please email, there is no available phone number."
                            ],
                            "title": "Registration Comments"
                        }
                    ],
                    "roles": [
                        "technical",
                        "administrative"
                    ],
                    "status": [
                        "validated"
                    ],
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "adr",
                                {
                                    "label": "1800 Bishops Gate Blvd\nMount Laurel\nNJ\n08054\nUnited States"
                                },
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    ""
                                ]
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Comcast Cable Communications Inc"
                            ],
                            [
                                "org",
                                [],
                                "text",
                                "Comcast Cable Communications, Inc."
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "group"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "tel",
                                {
                                    "type": [
                                        "work",
                                        "voice"
                                    ]
                                },
                                "text",
                                "+1-856-792-2300"
                            ]
                        ]
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "last changed",
                    "eventDate": "2020-11-18T14:58:28-05:00"
                },
                {
                    "eventAction": "registration",
                    "eventDate": "2001-09-18T00:00:00-04:00"
                }
            ],
            "handle": "CCCS",
            "links": [
                {
                    "href": "https://rdap.arin.net/registry/entity/CCCS",
                    "rel": "self",
                    "type": "application/rdap+json",
                    "value": "https://rdap.arin.net/registry/autnum/33650"
                },
                {
                    "href": "https://whois.arin.net/rest/org/CCCS",
                    "rel": "alternate",
                    "type": "application/xml",
                    "value": "https://rdap.arin.net/registry/autnum/33650"
                }
            ],
            "objectClassName": "entity",
            "port43": "whois.arin.net",
            "roles": [
                "registrant"
            ],
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Comcast Cable Communications, LLC"
                    ],
                    [
                        "adr",
                        {
                            "label": "1800 Bishops Gate Blvd\nMt Laurel\nNJ\n08054\nUnited States"
                        },
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            ""
                        ]
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ]
                ]
            ]
        }
    ],
    "events": [
        {
            "eventAction": "last changed",
            "eventDate": "2021-01-25T15:22:09-05:00"
        },
        {
            "eventAction": "registration",
            "eventDate": "2005-02-16T14:59:31-05:00"
        }
    ],
    "handle": "AS33650",
    "links": [
        {
            "href": "https://rdap.arin.net/registry/autnum/33650",
            "rel": "self",
            "type": "application/rdap+json",
            "value": "https://rdap.arin.net/registry/autnum/33650"
        },
        {
            "href": "https://whois.arin.net/rest/asn/AS33650",
            "rel": "alternate",
            "type": "application/xml",
            "value": "https://rdap.arin.net/registry/autnum/33650"
        }
    ],
    "name": "COMCAST-33650",
    "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/33650"
                }
            ],
            "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/33650"
                }
            ],
            "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": 33650,
    "status": [
        "active"
    ]
}

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.

Need help with RPKI, routing security or IP management?