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
AS266376
AS266376 - CYBERNET TELECOM SERVICOS DE INTERNET LTDA - ME Announcing routesAS nameASN266376
OrganisationCYBERNET TELECOM SERVIÇOS DE INTERNET LTDA - ME
CountryBR
Registry (RIR)—
Handle266376
RangeAS266376
Registered23 Nov 2016
Last changed13 Mar 2024
Abuse contact[email protected]
2IPv4 prefixes
6IPv6 prefixes
7Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS264996 | AS264996 - SERVLINK TELECOM LTDA - ME | 428 |
| AS263276 | AS263276 - BBG TELECOM LTDA | 248 |
| AS266269 | AS266269 - MV TELECOM | 168 |
| AS6939 | HURRICANE - Hurricane Electric LLC | 135 |
| AS137409 | GSLNETWORKS-AS-AP - GSL Networks Pty LTD | 7 |
| AS6057 | AS6057 - Administracion Nacional de Telecomunicaciones | 6 |
| AS7195 | AS7195 - EDGEUNO S.A.S | 1 |
Downstreams
None seen.
IPv4 prefixes (2)
IPv6 prefixes (6)
RPKI-validate all prefixes of AS266376
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | CYBERNET TELECOM SERVIÇOS DE INTERNET LTDA - ME | 23856274000182 | BR | |
| administrative | Alexandre josé ribeiro de medeiros | AJRME10 | [email protected] | BR |
| administrative, abuse | Alexandre josé ribeiro de medeiros | AJRME10 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "266376",
"startAutnum": 266376,
"endAutnum": 266376,
"name": "ASN266376",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/266376",
"rel": "self",
"href": "https://rdap.registro.br/autnum/266376",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/266376",
"rel": "related",
"href": "https://rdap.registro.br/ip/170.80.112.0/22",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/266376",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:36d8::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "23856274000182",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"CYBERNET TELECOM SERVIÇOS DE INTERNET LTDA - ME"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "23.856.274/0001-82"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "AJRME10",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Alexandre josé ribeiro de medeiros"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2016-05-31T13:01:09Z"
},
{
"eventAction": "last changed",
"eventDate": "2016-11-09T20:13:45Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2016-06-02T16:48:16Z"
},
{
"eventAction": "last changed",
"eventDate": "2016-06-02T16:48:16Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/23856274000182",
"rel": "self",
"href": "https://rdap.registro.br/entity/23856274000182",
"type": "application/rdap+json"
}
],
"legalRepresentative": "ALEXANDRE JOSE RIBEIRO DE MEDEIROS"
},
{
"objectClassName": "entity",
"handle": "AJRME10",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Alexandre josé ribeiro de medeiros"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2016-05-31T13:01:09Z"
},
{
"eventAction": "last changed",
"eventDate": "2016-11-09T20:13:45Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2016-11-23T10:43:22Z"
},
{
"eventAction": "last changed",
"eventDate": "2024-03-13T12:13:08Z"
}
],
"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.",
"2026-11-03T09:09:57-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/266376",
"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.