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
AS273426
AS273426 - TIW ISP INTERNET & TECNOLOGIA LTDA Announcing routesAS nameASN273426
OrganisationTIW ISP INTERNET & TECNOLOGIA LTDA
CountryBR
Registry (RIR)—
Handle273426
RangeAS273426
Registered03 Jan 2024
Last changed03 Jan 2024
Abuse contact[email protected]
0IPv4 prefixes
2IPv6 prefixes
2Upstreams
1Downstreams
Upstreams
| AS | Network name | Visibility |
|---|---|---|
| AS265442 | AS265442 - VISUAL LINK COMUNICACOES MULTIMIDIA LTDA - ME | 507 |
| AS53087 | AS53087 - TELY Ltda. | 247 |
Downstreams
| AS | Network name | Visibility |
|---|---|---|
| AS270370 | AS270370 - A B DA SILVA MULTIMIDIA - ME | 254 |
IPv6 prefixes (2)
RPKI-validate all prefixes of AS273426
Contacts
| Role | Name | Handle | Email / phone | Address |
|---|---|---|---|---|
| registrant | TIW ISP INTERNET & TECNOLOGIA LTDA | 16818567000100 | BR | |
| administrative | Marcone Santos Felix da Silva | MSFSI17 | [email protected] | BR |
| administrative, abuse | Marcone Santos Felix da Silva | MSFSI17 | [email protected] | BR |
Raw registry response
{
"objectClassName": "autnum",
"handle": "273426",
"startAutnum": 273426,
"endAutnum": 273426,
"name": "ASN273426",
"type": "DIRECT ALLOCATION",
"country": "BR",
"links": [
{
"value": "https://rdap.registro.br/autnum/273426",
"rel": "self",
"href": "https://rdap.registro.br/autnum/273426",
"type": "application/rdap+json"
},
{
"value": "https://rdap.registro.br/autnum/273426",
"rel": "related",
"href": "https://rdap.registro.br/ip/2804:8e74::/32",
"type": "application/rdap+json"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "16818567000100",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"org"
],
[
"fn",
[],
"text",
"TIW ISP INTERNET & TECNOLOGIA LTDA"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"registrant"
],
"publicIds": [
{
"type": "cnpj",
"identifier": "16.818.567/0001-00"
}
],
"entities": [
{
"objectClassName": "entity",
"handle": "MSFSI17",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Marcone Santos Felix da Silva"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2013-02-15T20:04:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-11-06T12:50:56Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2013-02-15T20:19:27Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-12-17T21:14:36Z"
}
],
"links": [
{
"value": "https://rdap.registro.br/entity/16818567000100",
"rel": "self",
"href": "https://rdap.registro.br/entity/16818567000100",
"type": "application/rdap+json"
}
],
"legalRepresentative": "MARCONE SANTOS FELIX DA SILVA"
},
{
"objectClassName": "entity",
"handle": "MSFSI17",
"vcardArray": [
"vcard",
[
[
"version",
[],
"text",
"4.0"
],
[
"kind",
[],
"text",
"individual"
],
[
"fn",
[],
"text",
"Marcone Santos Felix da Silva"
],
[
"email",
[],
"text",
"[email protected]"
],
[
"lang",
[],
"language-tag",
"pt"
],
[
"adr",
[],
"text",
[
"",
"",
"",
"",
"",
"",
"BR"
]
]
]
],
"roles": [
"administrative",
"abuse"
],
"events": [
{
"eventAction": "registration",
"eventDate": "2013-02-15T20:04:00Z"
},
{
"eventAction": "last changed",
"eventDate": "2023-11-06T12:50:56Z"
}
]
}
],
"events": [
{
"eventAction": "registration",
"eventDate": "2024-01-03T11:16:50Z"
},
{
"eventAction": "last changed",
"eventDate": "2024-01-03T11:16:50Z"
}
],
"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.",
"2026-11-03T11:55:31-03:00 - 43.204.219.77"
],
"links": [
{
"value": "https://rdap.registro.br/autnum/273426",
"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.