AS61821 Sincroniza Digital LTDA

Brazil AS61821 LACNIC 3 IPv4 prefixes 1 IPv6 prefix

IPv4 addresses

1,024

IPv6 /48 networks

65,536

RPKI

0 valid4 no ROA

Peers and downstreams

Holder

AS name: AS61821
Description: Sincroniza Digital LTDA
Organisation: Sincroniza Digital LTDA
Abuse contact: Not published
Assigned: 2014-06-26
Registered: 2014-06-27
Record last changed: 2026-06-22 14:21 UTC

201.131.180.0/22 201.131.180.0/23 201.131.182.0/23

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade C · 65/100

fail	Prefixes covered by valid ROAs 0 of 4 announced prefixes are RPKI valid, 4 have no ROA.	0/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 1 IPv6 prefix.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
pass	Working abuse contact gean@sincroniza.digital is published.	15/15
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 2026-06-22.	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/61821"><img src="https://ip-fd.net/badge/asn/61821/health.svg" alt="AS61821 network health on IP-FD.net"></a>

Markdown

[![AS61821 network health](https://ip-fd.net/badge/asn/61821/health.svg)](https://ip-fd.net/asn/61821)

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:        AS61821
as-name:        ASN61821
handle:         61821
registrant:     10577482000109 (Sincroniza Digital LTDA)
administrative: FEBAR415 (Fernando Barcelos) <fernando@sincroniza.digital>
administrative: MAF1973 (maicon fontana) <fontanamaicon@gmail.com>
abuse:          GECVE11 (Gean Carlos Verdi) <gean@sincroniza.digital>
registration:   2014-06-27T11:49:34Z
last changed:   2026-06-22T14:21:05Z
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/61821

const res = await fetch('https://ip-fd.net/api/v1/asn/61821', {
  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/61821', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/61821');
curl_setopt($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/61821", 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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