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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

AS61821

AS61821 - Sincroniza Digital LTDA Announcing routes
AS nameASN61821
OrganisationSincroniza Digital LTDA
CountryBR
Registry (RIR)—
Handle61821
RangeAS61821
Registered27 Jun 2014
Last changed22 Jun 2026
Abuse contact[email protected]
3IPv4 prefixes
1IPv6 prefixes
2Upstreams
0Downstreams

Upstreams

ASNetwork nameVisibility
AS53062AS53062 - GGNET TELECOMUNICACOES LTDA260
AS267121AS267121 - ATPlus Telecom90

Downstreams

None seen.

IPv4 prefixes (3)
IPv6 prefixes (1)

RPKI-validate all prefixes of AS61821

Contacts

RoleNameHandleEmail / phoneAddress
registrantSincroniza Digital LTDA10577482000109BR
administrativeFernando BarcelosFEBAR415[email protected]BR
administrativemaicon fontanaMAF1973[email protected]BR
abuseGean Carlos VerdiGECVE11[email protected]BR
Raw registry response
{
    "objectClassName": "autnum",
    "handle": "61821",
    "startAutnum": 61821,
    "endAutnum": 61821,
    "name": "ASN61821",
    "type": "DIRECT ALLOCATION",
    "country": "BR",
    "links": [
        {
            "value": "https://rdap.registro.br/autnum/61821",
            "rel": "self",
            "href": "https://rdap.registro.br/autnum/61821",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.registro.br/autnum/61821",
            "rel": "related",
            "href": "https://rdap.registro.br/ip/201.131.180.0/22",
            "type": "application/rdap+json"
        },
        {
            "value": "https://rdap.registro.br/autnum/61821",
            "rel": "related",
            "href": "https://rdap.registro.br/ip/2804:19d4::/32",
            "type": "application/rdap+json"
        }
    ],
    "entities": [
        {
            "objectClassName": "entity",
            "handle": "10577482000109",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "org"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Sincroniza Digital LTDA"
                    ],
                    [
                        "adr",
                        [],
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            "BR"
                        ]
                    ]
                ]
            ],
            "roles": [
                "registrant"
            ],
            "publicIds": [
                {
                    "type": "cnpj",
                    "identifier": "10.577.482/0001-09"
                }
            ],
            "entities": [
                {
                    "objectClassName": "entity",
                    "handle": "FEBAR415",
                    "vcardArray": [
                        "vcard",
                        [
                            [
                                "version",
                                [],
                                "text",
                                "4.0"
                            ],
                            [
                                "kind",
                                [],
                                "text",
                                "individual"
                            ],
                            [
                                "fn",
                                [],
                                "text",
                                "Fernando Barcelos"
                            ],
                            [
                                "email",
                                [],
                                "text",
                                "[email protected]"
                            ],
                            [
                                "lang",
                                [],
                                "language-tag",
                                "pt"
                            ],
                            [
                                "adr",
                                [],
                                "text",
                                [
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "",
                                    "BR"
                                ]
                            ]
                        ]
                    ],
                    "roles": [
                        "administrative"
                    ],
                    "events": [
                        {
                            "eventAction": "registration",
                            "eventDate": "2016-12-13T19:41:07Z"
                        },
                        {
                            "eventAction": "last changed",
                            "eventDate": "2026-05-15T14:49:59Z"
                        }
                    ]
                }
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2010-09-09T19:04:04Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2023-08-17T19:34:59Z"
                }
            ],
            "links": [
                {
                    "value": "https://rdap.registro.br/entity/10577482000109",
                    "rel": "self",
                    "href": "https://rdap.registro.br/entity/10577482000109",
                    "type": "application/rdap+json"
                }
            ],
            "legalRepresentative": "Fernando Barcelos"
        },
        {
            "objectClassName": "entity",
            "handle": "MAF1973",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "maicon fontana"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "lang",
                        [],
                        "language-tag",
                        "pt"
                    ],
                    [
                        "adr",
                        [],
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            "BR"
                        ]
                    ]
                ]
            ],
            "roles": [
                "administrative"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2005-07-04T12:00:00Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2024-04-22T17:35:46Z"
                }
            ]
        },
        {
            "objectClassName": "entity",
            "handle": "GECVE11",
            "vcardArray": [
                "vcard",
                [
                    [
                        "version",
                        [],
                        "text",
                        "4.0"
                    ],
                    [
                        "kind",
                        [],
                        "text",
                        "individual"
                    ],
                    [
                        "fn",
                        [],
                        "text",
                        "Gean Carlos Verdi"
                    ],
                    [
                        "email",
                        [],
                        "text",
                        "[email protected]"
                    ],
                    [
                        "lang",
                        [],
                        "language-tag",
                        "pt"
                    ],
                    [
                        "adr",
                        [],
                        "text",
                        [
                            "",
                            "",
                            "",
                            "",
                            "",
                            "",
                            "BR"
                        ]
                    ]
                ]
            ],
            "roles": [
                "abuse"
            ],
            "events": [
                {
                    "eventAction": "registration",
                    "eventDate": "2025-11-19T18:46:21Z"
                },
                {
                    "eventAction": "last changed",
                    "eventDate": "2025-11-19T18:46:41Z"
                }
            ]
        }
    ],
    "events": [
        {
            "eventAction": "registration",
            "eventDate": "2014-06-27T11:49:34Z"
        },
        {
            "eventAction": "last changed",
            "eventDate": "2026-06-22T14:21:05Z"
        }
    ],
    "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.",
                "2026-10-22T07:38:25-03:00 - 43.204.219.77"
            ],
            "links": [
                {
                    "value": "https://rdap.registro.br/autnum/61821",
                    "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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