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
AS273345
AS273345 - 4EDGE TECNOLOGIA LTDA ME Announcing routesAS nameASN273345
Organisation4EDGE TECNOLOGIA LTDA
CountryBR
Registry (RIR)—
Handle273345
RangeAS273345
Registered20 Sep 2023
Last changed20 Sep 2023
Abuse contact[email protected]
2IPv4 prefixes
2IPv6 prefixes
4Upstreams
0Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS4230 | AS4230 - CLARO S.A. | 357 |
| AS263347 | AS263347 - CEDNET PROVEDOR INTERNET | 44 |
| AS52579 | AS52579 - TELLIUS & ALLNET TELECOMUNICACOES DAS AMERICAS | 35 |
| AS262659 | AS262659 - VERO S.A | 25 |
Downstreams
None seen.
IPv4 prefixes (2)
IPv6 prefixes (2)
RPKI-validate all prefixes of AS273345
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | 4EDGE TECNOLOGIA LTDA | 19743092000128 | BR | |
| administrative | Márcio Renato Talhacolo | MRT47 | [email protected] | BR |
| administrative, abuse | Márcio Renato Talhacolo | MRT47 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "273345",
"startAutnum": 273345,
"endAutnum": 273345,
"name": "ASN273345",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/273345",
"rel": "self",
"href": "https://rdap.registro.br/autnum/273345",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/273345",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:8d40::/32",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/273345",
"rel": "related",
"href": "https://rdap.registro.br/ip/45.7.52.0/22",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "19743092000128",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"4EDGE TECNOLOGIA LTDA"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "19.743.092/0001-28"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "MRT47",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Márcio Renato Talhacolo"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2002-09-24T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-03-22T19:08:00Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2023-05-02T18:39:38Z"
},
{
"eventAction": "last changed",
"eventDate": "2026-08-14T18:42:25Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/19743092000128",
"rel": "self",
"href": "https://rdap.registro.br/entity/19743092000128",
"type": "application/rdap+json"
}
],
"legalRepresentative": "MARCIO RENATO TALHACOLO"
},
{
"objectClassName": "entity",
"handle": "MRT47",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Márcio Renato Talhacolo"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2002-09-24T12:00:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2025-03-22T19:08:00Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2023-09-20T11:22:24Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-09-20T11:22:24Z"
}
],
"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.",
"2026-11-05T01:11:21-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/273345",
"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.