AS28580 Cilnet Comunicacao e Informatica S.A.

Brazil AS28580 LACNIC 195 IPv4 prefixes 15 IPv6 prefixes

IPv4 addresses

77,824

IPv6 /48 networks

65,548

RPKI

12 valid198 no ROA

Peers and downstreams

Holder

AS name: AS28580
Description: Cilnet Comunicacao e Informatica S.A.
Organisation: Cilnet Comunicacao e Informatica S.A.
Abuse contact: Not published
Assigned: 2005-01-16
Registered: 2005-01-17
Record last changed: 2026-05-13 14:53 UTC

138.0.180.0/22 138.0.180.0/23 138.0.180.0/24 138.0.181.0/24 138.0.182.0/23 138.0.182.0/24 138.0.183.0/24 138.122.68.0/22 138.122.68.0/23 138.122.68.0/24 138.122.69.0/24 138.122.70.0/23 138.122.70.0/24 138.122.71.0/24 138.186.180.0/22 138.186.180.0/23 138.186.180.0/24 138.186.181.0/24 138.186.182.0/23 138.186.182.0/24 138.186.183.0/24 143.0.232.0/22 168.194.228.0/22 168.194.228.0/23 168.194.228.0/24 168.194.229.0/24 168.194.230.0/23 168.194.230.0/24 168.194.231.0/24 168.194.4.0/22 168.194.4.0/23 168.194.4.0/24 168.194.5.0/24 168.194.6.0/23 168.194.6.0/24 168.194.7.0/24 168.90.184.0/22 168.90.184.0/23 168.90.184.0/24 168.90.185.0/24 168.90.186.0/23 168.90.186.0/24 168.90.187.0/24 170.245.20.0/22 170.245.20.0/23 170.245.20.0/24 170.245.21.0/24 170.245.22.0/23 170.245.22.0/24 170.245.23.0/24 170.247.116.0/22 170.247.116.0/23 170.247.116.0/24 170.247.117.0/24 170.247.118.0/23 170.247.118.0/24 170.247.119.0/24 177.101.48.0/20 177.101.48.0/21 177.101.56.0/21 177.85.40.0/22 177.85.40.0/23 177.85.40.0/24 177.85.41.0/24 177.85.42.0/23 177.85.42.0/24 177.85.43.0/24 186.224.128.0/19 186.224.160.0/19 187.45.0.0/20 187.45.12.0/22 187.45.16.0/20 187.45.24.0/21 187.45.24.0/22 187.45.28.0/22 187.45.28.0/23 187.45.28.0/24 187.45.29.0/24 187.45.30.0/23 187.45.30.0/24 187.45.8.0/21 187.45.8.0/22 187.84.0.0/20 187.84.0.0/21 187.84.0.0/22 187.84.0.0/24 187.84.1.0/24 187.84.12.0/22 187.84.2.0/24 187.84.3.0/24 187.84.4.0/22 187.84.4.0/24 187.84.5.0/24 187.84.6.0/24 187.84.7.0/24 187.84.8.0/21 187.84.8.0/22 189.28.224.0/20 189.28.224.0/21 189.28.224.0/22 189.28.228.0/22 189.28.232.0/21 189.28.232.0/22 189.28.236.0/22 189.28.236.0/24 189.28.240.0/20 189.28.240.0/21 189.28.240.0/22 189.28.240.0/24 189.28.241.0/24 189.28.242.0/24 189.28.243.0/24 189.28.244.0/22 189.28.244.0/24 189.28.245.0/24 189.28.246.0/24 189.28.247.0/24 189.28.248.0/21 189.28.248.0/22 189.28.252.0/22 189.51.208.0/20 189.51.208.0/21 189.51.208.0/22 189.51.212.0/22 189.51.216.0/21 189.51.216.0/22 189.51.220.0/22 191.253.240.0/20 191.253.240.0/21 191.253.240.0/22 191.253.244.0/22 191.253.248.0/21 191.253.248.0/22 191.253.252.0/22 200.187.80.0/20 200.187.80.0/21 200.187.80.0/22 200.187.84.0/22 200.187.88.0/21 200.187.88.0/22 200.187.92.0/22 201.150.100.0/22 201.150.100.0/23 201.150.100.0/24 201.150.101.0/24 201.150.102.0/23 201.150.102.0/24 201.150.103.0/24 201.46.32.0/20 201.46.32.0/21 201.46.32.0/22 201.46.36.0/22 201.46.40.0/21 201.46.40.0/22 201.46.44.0/22 201.46.48.0/20 201.46.48.0/21 201.46.48.0/22 201.46.52.0/22 201.46.56.0/21 201.46.56.0/22 201.46.60.0/22 45.166.124.0/22 45.166.124.0/23 45.166.124.0/24 45.166.125.0/24 45.166.126.0/23 45.166.127.0/24 45.170.140.0/22 45.170.140.0/23 45.170.140.0/24 45.170.141.0/24 45.170.142.0/23 45.170.142.0/24 45.170.143.0/24 45.224.76.0/22 45.224.76.0/23 45.224.76.0/24 45.224.77.0/24 45.224.78.0/23 45.224.78.0/24 45.237.16.0/22 45.237.16.0/23 45.237.16.0/24 45.237.17.0/24 45.237.18.0/23 45.237.18.0/24 45.237.19.0/24 45.7.204.0/22 45.7.204.0/23 45.7.204.0/24 45.7.205.0/24 45.7.206.0/23 45.7.206.0/24 45.7.207.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade D · 51/100

partly	Prefixes covered by valid ROAs 12 of 210 announced prefixes are RPKI valid, 198 have no ROA.	1/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 15 IPv6 prefixes.	15/15
pass	More than one upstream 4 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 2026-05-13.	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/28580"><img src="https://ip-fd.net/badge/asn/28580/health.svg" alt="AS28580 network health on IP-FD.net"></a>

Markdown

[![AS28580 network health](https://ip-fd.net/badge/asn/28580/health.svg)](https://ip-fd.net/asn/28580)

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:        AS28580
as-name:        ASN28580
handle:         28580
registrant:     04127856000183 (Cilnet Comunicação e Informática S.A.)
administrative,abuse:IAN11 (Israel Arruda Neto) <israelarrudaneto@gmail.com>
registration:   2005-01-17T12:00:00Z
last changed:   2026-05-13T14:53:28Z
source:         LACNIC (RDAP)

Routing data

Updated 1 days ago

Registry record

Fetched 1 days ago 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/28580

const res = await fetch('https://ip-fd.net/api/v1/asn/28580', {
  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/28580', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/28580');
curl_setopt($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/28580", 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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