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
AS61836
AS61836 - CYBERLAN SERVICOS DE TELECOMUNICACOES LTDA Announcing routesAS nameASN61836
OrganisationCYBERLAN SERVIÇOS DE TELECOMUNICAÇÕES LTDA
CountryBR
Registry (RIR)—
Handle61836
RangeAS61836
Registered03 Jul 2014
Last changed02 Feb 2022
Abuse contact[email protected]
4IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS266181 | AS266181 - GOLDEN LINK | 285 |
| AS52875 | AS52875 - M.I.MONTREAL INFORMATICA LTDA | 281 |
Downstreams
None seen.
IPv4 prefixes (4)
RPKI-validate all prefixes of AS61836
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | CYBERLAN SERVIÇOS DE TELECOMUNICAÇÕES LTDA | 12593639000107 | BR | |
| administrative | FERNANDO VINICIUS FERNANDES DA SILVA | FVFSI29 | [email protected] | BR |
| administrative, abuse | Marcelo da Silva Oliveira | MASOL374 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "61836",
"startAutnum": 61836,
"endAutnum": 61836,
"name": "ASN61836",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/61836",
"rel": "self",
"href": "https://rdap.registro.br/autnum/61836",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/61836",
"rel": "related",
"href": "https://rdap.registro.br/ip/201.7.216.0/22",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/61836",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:1a18::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "12593639000107",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"CYBERLAN SERVIÇOS DE TELECOMUNICAÇÕES LTDA"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "12.593.639/0001-07"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "FVFSI29",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"FERNANDO VINICIUS FERNANDES DA SILVA"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2024-07-08T17:54:42Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-02-10T15:35:42Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2011-02-01T16:58:40Z"
},
{
"eventAction": "last changed",
"eventDate": "2024-07-11T12:25:48Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/12593639000107",
"rel": "self",
"href": "https://rdap.registro.br/entity/12593639000107",
"type": "application/rdap+json"
}
],
"legalRepresentative": "FERNANDO VINICIUS FERNANDES DA SILVA"
},
{
"objectClassName": "entity",
"handle": "MASOL374",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Marcelo da Silva Oliveira"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2012-07-18T13:27:44Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-05-13T18:04:14Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2014-07-03T12:03:12Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-02-02T13:29:14Z"
}
],
"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.",
"2026-11-04T16:03:55-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/61836",
"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.
