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
AS263118
AS263118 - Celulose Nipo-Brasileira S.A - CENIBRA Announcing routesAS nameASN263118
OrganisationCelulose Nipo-Brasileira S.A - CENIBRA
CountryBR
Registry (RIR)—
Handle263118
RangeAS263118
Registered08 May 2014
Last changed08 May 2014
Abuse contact[email protected]
3IPv4 prefixes
0IPv6 prefixes
2Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS4230 | AS4230 - CLARO S.A. | 299 |
| AS28360 | AS28360 - WKVE Assessoria em Serv. de Inf. e Telecom Ltda | 26 |
Downstreams
None seen.
IPv4 prefixes (3)
RPKI-validate all prefixes of AS263118
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | Celulose Nipo-Brasileira S.A - CENIBRA | 42278796000199 | BR | |
| administrative | Amarildo Cirilo de Oliveira | ACO185 | [email protected] | BR |
| administrative, abuse | Amarildo Cirilo de Oliveira | ACO185 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "263118",
"startAutnum": 263118,
"endAutnum": 263118,
"name": "ASN263118",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/263118",
"rel": "self",
"href": "https://rdap.registro.br/autnum/263118",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/263118",
"rel": "related",
"href": "https://rdap.registro.br/ip/177.190.244.0/23",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/263118",
"rel": "related",
"href": "https://rdap.registro.br/ip/2801:80:a30::/48",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "42278796000199",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"Celulose Nipo-Brasileira S.A - CENIBRA"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "42.278.796/0001-99"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "ACO185",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Amarildo Cirilo de Oliveira"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2003-04-08T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-07-24T20:15:48Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "1998-03-16T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2012-06-28T20:11:44Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/42278796000199",
"rel": "self",
"href": "https://rdap.registro.br/entity/42278796000199",
"type": "application/rdap+json"
}
],
"legalRepresentative": "Ronaldo Neves Ribeiro - DETIN"
},
{
"objectClassName": "entity",
"handle": "ACO185",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Amarildo Cirilo de Oliveira"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2003-04-08T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-07-24T20:15:48Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2014-05-08T12:01:10Z"
},
{
"eventAction": "last changed",
"eventDate": "2014-05-08T12:01:10Z"
}
],
"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.",
"2026-11-04T15:27:01-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/263118",
"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.
