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AS WHOIS

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

Your public IP address216.73.217.87 IPv4

AS28605

AS28605 - Defferrari Informatica Ltda. Announcing routes
AS nameASN28605
OrganisationDefferrari Informatica Ltda.
CountryBR
Registry (RIR)—
Handle28605
RangeAS28605
Registered26 Jul 2005
Last changed06 Mar 2013
Abuse contact[email protected]
12IPv4 prefixes
7IPv6 prefixes
10Upstreams
12Downstreams

Upstreams

ASNetwork nameVisibility
AS7195AS7195 - EDGEUNO S.A.S2399
AS3356LEVEL3 - Level 3 Parent, LLC591
AS13786SEABORN - Seabras 1 USA, LLC486
AS52838AS52838 - WN TELECOM LTDA - ME366
AS264409AS264409 - Huge Solucoes Corporativas Ltda269
AS28283AS28283 - Adylnet Telecom72
AS6057AS6057 - Administracion Nacional de Telecomunicaciones70
AS14840AS14840 - BR.Digital Telecom9
AS26615AS26615 - TIM S/A8
AS53013AS53013 - UFINET BRASIL S.A.2

Downstreams

ASNetwork nameVisibility
AS28584AS28584 - Defferrari Solucoes em Internet Ltda628
AS264920AS264920 - Shel Net Informatica Ltda598
AS52851AS52851 - CTA INTERNET LTDA349
AS61930AS61930 - Telecomunicacoes Riograndense Ltda307
AS268516AS268516 - Midia Net Telecom273
AS267668AS267668 - Gigaweb Tecnologia271
AS22128AS22128 - Defferrari Solucoes em Internet Ltda268
AS264529AS264529 - IW Group Solucoes em TI264
AS273420AS273420 - Misternet internet Ltda253
AS264274AS264274 - DSP RS TELECOMUNICACOES LTDA.248
AS268843AS268843 - CDNTV TECNOLOGIA LTDA48
AS269484AS269484 - START TELECOM38
IPv4 prefixes (12)
IPv6 prefixes (7)

RPKI-validate all prefixes of AS28605

Contacts

RoleNameHandleEmail / phoneAddress
registrantDefferrari Informatica Ltda.94966306000140BR
administrativeMarco DefferrariMAD6[email protected]BR
administrative, abuseMarco DefferrariMAD6[email protected]BR
Raw registry response
{
    "objectClassName": "autnum",
    "handle": "28605",
    "startAutnum": 28605,
    "endAutnum": 28605,
    "name": "ASN28605",
    "type": "DIRECT ALLOCATION",
    "country": "BR",
    "links": [
        {
            "value": "https://rdap.registro.br/autnum/28605",
            "rel": "self",
            "href": "https://rdap.registro.br/autnum/28605",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.registro.br/autnum/28605",
            "rel": "related",
            "href": "https://rdap.registro.br/ip/201.20.144.0/20",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.registro.br/autnum/28605",
            "rel": "related",
            "href": "https://rdap.registro.br/ip/2804:3c0::/32",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.registro.br/autnum/28605",
            "rel": "related",
            "href": "https://rdap.registro.br/ip/179.127.112.0/22",
            "type": "application/rdap+json"
        }
    ],
    "entities": [
        {
            "objectClassName": "entity",
            "handle": "94966306000140",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Defferrari Informatica Ltda."
                    ],
                    [
                        "adr",
                        [],
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            "BR"
                        ]
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "publicIds": [
                {
                    "type": "cnpj",
                    "identifier": "94.966.306/0001-40"
                }
            ],
            "entities": [
                {
                    "objectClassName": "entity",
                    "handle": "MAD6",
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Marco Defferrari"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "lang",
                                [],
                                "language-tag",
                                "pt"
                            ],
                            [
                                "adr",
                                [],
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "BR"
                                ]
                            ]
                        ]
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "events": [
                        {
                            "eventAction": "registration",
                            "eventDate": "1997-12-30T12:00:00Z"
                        },
                        {
                            "eventAction": "last changed",
                            "eventDate": "2022-02-07T17:01:36Z"
                        }
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "1997-12-30T12:00:00Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2021-05-26T22:39:45Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.registro.br/entity/94966306000140",
                    "rel": "self",
                    "href": "https://rdap.registro.br/entity/94966306000140",
                    "type": "application/rdap+json"
                }
            ],
            "legalRepresentative": "Marco Defferrari"
        },
        {
            "objectClassName": "entity",
            "handle": "MAD6",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Marco Defferrari"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "lang",
                        [],
                        "language-tag",
                        "pt"
                    ],
                    [
                        "adr",
                        [],
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            "BR"
                        ]
                    ]
                ]
            ],
            "roles": [
                "administrative",
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "1997-12-30T12:00:00Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2022-02-07T17:01:36Z"
                }
            ]
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2005-07-26T12:00:00Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2013-03-06T14:00:52Z"
        }
    ],
    "notices": [
        {
            "title": "Use and Privacy Policy",
            "description": [
                "Copyright (c) Nic.br - Use of this data is governed by the Use and Privacy Policy. Distribution, commercialization, reproduction, and use for advertising or similar purposes are expressly prohibited.",
                "2026-11-03T18:19:13-03:00 - 43.204.219.77"
            ],
            "links": [
                {
                    "value": "https://rdap.registro.br/autnum/28605",
                    "rel": "alternate",
                    "href": "https://registro.br/upp",
                    "type": "text/html"
                }
            ]
        }
    ],
    "rdapConformance": [
        "rdap_level_0",
        "nicbr_level_0"
    ],
    "port43": "whois.registro.br"
}

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