AS271723 c c b ferreira-me

Brazil AS271723 LACNIC 7 IPv4 prefixes 7 IPv6 prefixes

IPv4 addresses

1,024

IPv6 /48 networks

65,536

RPKI

14 valid0 no ROA

Peers and downstreams

Holder

AS name: AS271723
Description: c c b ferreira-me
Organisation: c c b ferreira-me
Abuse contact: Not published
Assigned: 2021-04-26
Registered: 2021-04-27
Record last changed: 2025-12-24 12:51 UTC

45.229.252.0/22 45.229.252.0/23 45.229.252.0/24 45.229.253.0/24 45.229.254.0/23 45.229.254.0/24 45.229.255.0/24

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

pass	Prefixes covered by valid ROAs 14 of 14 announced prefixes are RPKI valid.	25/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 7 IPv6 prefixes.	15/15
partly	More than one upstream 1 upstream seen in BGP.	5/10
pass	Working abuse contact criscastelo1987@gmail.com 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 2025-12-24.	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/271723"><img src="https://ip-fd.net/badge/asn/271723/health.svg" alt="AS271723 network health on IP-FD.net"></a>

Markdown

[![AS271723 network health](https://ip-fd.net/badge/asn/271723/health.svg)](https://ip-fd.net/asn/271723)

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:        AS271723
as-name:        ASN271723
handle:         271723
registrant:     26723852000109 (c c b ferreira-me)
administrative: CCBFE9 (cristiano castelo branco ferreira) <criscastelo1987@gmail.com>
administrative: UPISP1 (UP ISP) <noc@upisp.com.br>
abuse:          CCBFE9 (cristiano castelo branco ferreira) <criscastelo1987@gmail.com>
registration:   2021-04-27T09:53:26Z
last changed:   2025-12-24T12:51:35Z
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/271723

const res = await fetch('https://ip-fd.net/api/v1/asn/271723', {
  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/271723', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/271723');
curl_setopt($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/271723", 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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