AS275837 ANLVI238

Brazil AS275837 LACNIC 1 IPv4 prefix 1 IPv6 prefix

IPv4 addresses

256

IPv6 /48 networks

65,536

RPKI

0 valid1 invalid1 no ROA

Peers and downstreams

Holder

AS name: AS275837
Description: ANLVI238
Organisation: ANLVI238
Abuse contact: Not published
Assigned: 2026-08-24
Registered: 2026-08-25
Record last changed: 2026-08-25 09:41 UTC

173.244.57.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade E · 40/100

fail	Prefixes covered by valid ROAs 0 of 2 announced prefixes are RPKI valid, 1 have no ROA.	0/25
fail	No RPKI invalid announcements 1 announced prefix is RPKI invalid and dropped by networks that validate.	0/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
fail	Working abuse contact No abuse contact is published in the registry.	0/15
fail	Publishes a geofeed No geofeed found. Without one, location databases have to guess.	0/10
pass	No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger.	10/10
pass	Registry record maintained Last changed 2026-08-25.	5/5

Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.

Show this on your website

HTML

<a href="https://ip-fd.net/asn/275837"><img src="https://ip-fd.net/badge/asn/275837/health.svg" alt="AS275837 network health on IP-FD.net"></a>

Markdown

[![AS275837 network health](https://ip-fd.net/badge/asn/275837/health.svg)](https://ip-fd.net/asn/275837)

Use rpki.svg instead of health.svg for the RPKI badge.

Routing changes

Last 30 days

No changes recorded in the last 30 days. Changes are recorded each time the routing data of this AS is refreshed. Get alerts in real time.

WHOIS

aut-num:        AS275837
as-name:        ASN275837
handle:         275837
remarks:        Some of the data in this object has been removed.
registrant:     48224250000131 (UPGRADE SERVIÇOS DE TECNOLOGIA LTDA)
administrative: ANLVI238 (André Luis Vicentini)
administrative,abuse:ANLVI238 (André Luis Vicentini)
registration:   2026-08-25T09:41:21Z
last changed:   2026-08-25T09:41:25Z
source:         LACNIC (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from LACNIC RDAP

Prefixes and neighbours come from the RIPE RIS route collectors. Data older than 5 minutes is refreshed when this page is opened.

API

curl -H "X-API-Key: YOUR_KEY" https://ip-fd.net/api/v1/asn/275837

const res = await fetch('https://ip-fd.net/api/v1/asn/275837', {
  headers: { 'X-API-Key': 'YOUR_KEY' }
});
const data = await res.json();
console.log(data);

import requests

r = requests.get('https://ip-fd.net/api/v1/asn/275837', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/275837');
curl_setopt($ch, CURLOPT_HTTPHEADER, ['X-API-Key: YOUR_KEY']);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
$data = json_decode(curl_exec($ch), true);
print_r($data);

req, _ := http.NewRequest("GET", "https://ip-fd.net/api/v1/asn/275837", nil)
req.Header.Set("X-API-Key", "YOUR_KEY")
res, err := http.DefaultClient.Do(req)
if err != nil {
    log.Fatal(err)
}
defer res.Body.Close()
body, _ := io.ReadAll(res.Body)
fmt.Println(string(body))

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