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
AS267211
AS267211 - Fournet One Servicos de Comunicacao e Informatica Announcing routesAS nameASN267211
OrganisationFournet One Serviços de Comunicação e Informática
CountryBR
Registry (RIR)—
Handle267211
RangeAS267211
Registered19 Feb 2018
Last changed03 Oct 2025
Abuse contact[email protected]
5IPv4 prefixes
3IPv6 prefixes
2Upstreams
1Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS267373 | AS267373 - AGIL TECOMUNICACOES LTDA | 583 |
| AS263009 | AS263009 - FORTE TELECOM LTDA. | 250 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS218580 | CWMBRASIL-AS WESLEY MELO DA SILVA | 250 |
IPv6 prefixes (3)
RPKI-validate all prefixes of AS267211
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Fournet One Serviços de Comunicação e Informática | 38083153000112 | BR | |
| administrative | ORIGEM DATACENTER LTDA | ORDLT3 | [email protected] | BR |
| administrative, abuse | FOURNETWORK SERVICOS DE INFORMATICA LTD | FSILT42 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "267211",
"startAutnum": 267211,
"endAutnum": 267211,
"name": "ASN267211",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/267211",
"rel": "self",
"href": "https://rdap.registro.br/autnum/267211",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/267211",
"rel": "related",
"href": "https://rdap.registro.br/ip/45.231.120.0/22",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/267211",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:49f8::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "38083153000112",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"Fournet One Serviços de Comunicação e Informática"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "38.083.153/0001-12"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "ORDLT3",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"ORIGEM DATACENTER LTDA"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
""
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2025-05-19T19:09:14Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-16T17:46:13Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2024-05-09T20:13:16Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-16T17:37:34Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/38083153000112",
"rel": "self",
"href": "https://rdap.registro.br/entity/38083153000112",
"type": "application/rdap+json"
}
],
"legalRepresentative": "Thiago Amaral de Castro da Silva"
},
{
"objectClassName": "entity",
"handle": "FSILT42",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"FOURNETWORK SERVICOS DE INFORMATICA LTD"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-06-06T18:26:41Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-10-16T17:19:39Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2018-02-19T11:46:20Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-10-02T19:35:32Z"
}
],
"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.",
"2026-11-06T06:06:34-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/267211",
"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.
