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
AS270551
AS270551 - CORELINK CONECT SEG E TRANSP DE DADOS LTDA Announcing routesAS nameASN270551
OrganisationCORELINK CONECT SEG E TRANSP DE DADOS LTDA
CountryBR
Registry (RIR)—
Handle270551
RangeAS270551
Registered24 Mar 2020
Last changed19 Apr 2022
Abuse contact[email protected]
1IPv4 prefixes
1IPv6 prefixes
6Upstreams
2Downstreams
IPv4 prefixes (1)
IPv6 prefixes (1)
RPKI-validate all prefixes of AS270551
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | CORELINK CONECT SEG E TRANSP DE DADOS LTDA | 17854788000104 | BR | |
| administrative | LEANDRO CESAR DE MATTOS MARIOTTO | LCMMA92 | [email protected] | BR |
| administrative, abuse | Leandro Mariotto | LEMAR429 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "270551",
"startAutnum": 270551,
"endAutnum": 270551,
"name": "ASN270551",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/270551",
"rel": "self",
"href": "https://rdap.registro.br/autnum/270551",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/270551",
"rel": "related",
"href": "https://rdap.registro.br/ip/189.50.220.0/22",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/270551",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:6db8::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "17854788000104",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"CORELINK CONECT SEG E TRANSP DE DADOS LTDA"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "17.854.788/0001-04"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "LCMMA92",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"LEANDRO CESAR DE MATTOS MARIOTTO"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2025-01-23T12:17:12Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-01-23T17:28:52Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2020-03-12T14:59:32Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-02-02T11:24:24Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/17854788000104",
"rel": "self",
"href": "https://rdap.registro.br/entity/17854788000104",
"type": "application/rdap+json"
}
],
"legalRepresentative": "Leandro cesar de Mattos Mariotto"
},
{
"objectClassName": "entity",
"handle": "LEMAR429",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Leandro Mariotto"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2014-05-27T11:29:50Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-01-06T22:32:10Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2020-03-24T10:18:42Z"
},
{
"eventAction": "last changed",
"eventDate": "2022-04-19T18:17:35Z"
}
],
"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.",
"2026-11-05T20:47:18-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/270551",
"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.