Free network tools
AS WHOIS
Look up an Autonomous System — holder, registry, contacts, announced IPv4/IPv6 prefixes, upstreams and downstreams.
Network Report (All-in-one) BGP Looking Glass BGP Security Check RPKI Validator BGP Hijack & Leak Monitor ASN Intelligence Internet Outages & Anomalies Country Internet Report Domain Insights IP WHOIS AS WHOIS
AS52759
AS52759 - DB3 SERVICOS DE TELECOMUNICACOES S.A Announcing routesAS nameASN52759
OrganisationDB3 SERVICOS DE TELECOMUNICACOES S.A
CountryBR
Registry (RIR)—
Handle52759
RangeAS52759
Registered31 Aug 2012
Last changed07 Dec 2023
Abuse contact[email protected]
7IPv4 prefixes
3IPv6 prefixes
7Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS61568 | AS61568 - ALOO TELECOM - FSF TECNOLOGIA SA | 278 |
| AS269337 | AS269337 - CONECWEB SERVICOS DE COMUNICACAO LTDA | 255 |
| AS33182 | DIMENOC - HostDime.com, Inc. | 196 |
| AS52573 | AS52573 - Une Telecom Ltda | 160 |
| AS11432 | AS11432 - Telium Telecomunicacoes Ltda | 154 |
| AS28252 | AS28252 - WorldNet Telecom Comercio e Servicos de Telecomuni | 106 |
| AS6057 | AS6057 - Administracion Nacional de Telecomunicaciones | 2 |
Downstreams
None seen.
IPv4 prefixes (7)
IPv6 prefixes (3)
RPKI-validate all prefixes of AS52759
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | DB3 SERVICOS DE TELECOMUNICACOES S.A | 41644220000135 | BR | |
| administrative | Decio Feijó | DEFEI25 | [email protected] | BR |
| administrative, abuse | NewDC Solucoes em Datacenter | NSEDA1 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "52759",
"startAutnum": 52759,
"endAutnum": 52759,
"name": "ASN52759",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/52759",
"rel": "self",
"href": "https://rdap.registro.br/autnum/52759",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/52759",
"rel": "related",
"href": "https://rdap.registro.br/ip/177.38.200.0/21",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/52759",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:b3c::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "41644220000135",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"DB3 SERVICOS DE TELECOMUNICACOES S.A"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "41.644.220/0001-35"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "DEFEI25",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Decio Feijó"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2025-11-17T18:52:05Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-11-17T19:59:27Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "1999-12-13T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-12-17T14:44:26Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/41644220000135",
"rel": "self",
"href": "https://rdap.registro.br/entity/41644220000135",
"type": "application/rdap+json"
}
],
"legalRepresentative": "Décio Frederico Bueno Feijó"
},
{
"objectClassName": "entity",
"handle": "NSEDA1",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"NewDC Solucoes em Datacenter"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2019-12-13T17:58:24Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-08-09T22:10:54Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2012-08-31T17:02:39Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-12-07T11:02:48Z"
}
],
"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.",
"2026-10-22T08:24:05-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/52759",
"rel": "alternate",
"href": "https://registro.br/upp",
"type": "text/html"
}
]
}
],
"rdapConformance": [
"rdap_level_0",
"nicbr_level_0"
],
"port43": "whois.registro.br"
}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.
