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
AS266564
AS266564 - C. J. ALVES NETWORK SERVICOS DE INFORMATICA E INTE Announcing routesAS nameASN266564
OrganisationC. J. ALVES NETWORK SERVIÇOS DE INFORMÁTICA E INTE
CountryBR
Registry (RIR)—
Handle266564
RangeAS266564
Registered18 May 2017
Last changed18 May 2017
Abuse contact[email protected]
3IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS263879 | AS263879 - NET FIBRA EMPRESAS LTDA | 253 |
| AS265130 | AS265130 - FIBRA EMPRESAS LTDA | 251 |
Downstreams
None seen.
IPv4 prefixes (3)
RPKI-validate all prefixes of AS266564
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | C. J. ALVES NETWORK SERVIÇOS DE INFORMÁTICA E INTE | 02519876000174 | BR | |
| administrative | Calcino Joaquim Alves | CAJAL9 | [email protected] | BR |
| administrative, abuse | Calcino Joaquim Alves | CAJAL9 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "266564",
"startAutnum": 266564,
"endAutnum": 266564,
"name": "ASN266564",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/266564",
"rel": "self",
"href": "https://rdap.registro.br/autnum/266564",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/266564",
"rel": "related",
"href": "https://rdap.registro.br/ip/160.238.248.0/22",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/266564",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:3df0::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "02519876000174",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"C. J. ALVES NETWORK SERVIÇOS DE INFORMÁTICA E INTE"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "02.519.876/0001-74"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "CAJAL9",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Calcino Joaquim Alves"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-02-25T20:04:14Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-20T14:41:18Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2003-03-07T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2020-04-06T12:50:37Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/02519876000174",
"rel": "self",
"href": "https://rdap.registro.br/entity/02519876000174",
"type": "application/rdap+json"
}
],
"legalRepresentative": "CALCINO JOAQUIM ALVES"
},
{
"objectClassName": "entity",
"handle": "CAJAL9",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Calcino Joaquim Alves"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2010-02-25T20:04:14Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-05-20T14:41:18Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2017-05-18T11:36:19Z"
},
{
"eventAction": "last changed",
"eventDate": "2017-05-18T11:36:19Z"
}
],
"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.",
"2026-11-04T19:10:20-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/266564",
"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.