AS12271 Charter Communications Inc

United States Charter-Communications-TWC-12271-NYC ARIN 111 IPv4 prefixes 8 IPv6 prefixes

IPv4 addresses

2,864,640

IPv6 /48 networks

1,245,712

RPKI

111 valid8 no ROA

Peers and downstreams

Holder

AS name: Charter-Communications-TWC-12271-NYC
Description: Charter-Communications-TWC-12271-NYC
Organisation: Charter Communications Inc
Abuse contact: Not published
Assigned: 2000-06-08

108.176.0.0/18 108.176.128.0/18 142.105.0.0/17 142.255.0.0/17 149.89.0.0/16 150.221.96.0/19 150.224.177.0/24 158.222.128.0/17 168.148.128.0/19 172.254.0.0/16 184.152.0.0/16 184.153.0.0/17 184.74.128.0/17 184.75.0.0/17 192.131.40.0/22 192.61.128.0/19 198.151.199.0/24 198.151.200.0/24 198.151.201.0/24 198.151.202.0/24 198.151.203.0/24 198.179.64.0/19 204.210.128.0/19 207.251.238.0/23 208.105.0.0/18 208.105.64.0/19 208.125.0.0/19 23.246.64.0/18 24.102.64.0/18 24.103.0.0/17 24.103.224.0/19 24.104.192.0/18 24.105.128.0/19 24.136.96.0/19 24.161.0.0/17 24.164.128.0/18 24.168.0.0/17 24.168.128.0/19 24.193.0.0/16 24.213.160.0/19 24.29.128.0/19 24.29.96.0/19 24.30.224.0/20 24.39.104.0/21 24.39.112.0/20 24.39.128.0/19 24.90.0.0/16 24.97.123.0/24 24.97.124.0/22 24.97.184.0/23 24.97.200.0/21 47.230.0.0/16 50.74.0.0/16 50.75.192.0/18 65.86.104.0/21 66.108.0.0/16 66.110.97.0/24 66.65.0.0/17 66.65.128.0/18 66.93.136.0/21 67.243.0.0/16 67.244.0.0/19 67.244.64.0/18 67.245.0.0/16 67.247.0.0/18 67.247.96.0/19 67.250.0.0/16 67.251.128.0/19 67.251.192.0/18 67.254.0.0/16 68.165.184.0/21 68.172.208.0/20 68.172.224.0/19 68.173.0.0/16 68.174.0.0/16 68.175.0.0/17 69.193.128.0/18 69.193.192.0/19 69.193.224.0/19 69.200.224.0/19 69.200.240.0/21 69.200.64.0/19 69.201.128.0/17 69.202.128.0/17 69.203.0.0/17 69.203.128.0/19 69.203.192.0/18 69.204.224.0/19 69.206.0.0/16 72.225.128.0/17 72.225.64.0/18 72.226.0.0/17 72.227.128.0/17 72.229.0.0/16 72.231.0.0/17 72.43.128.0/18 72.43.96.0/19 74.0.136.0/21 74.64.0.0/16 74.65.192.0/18 74.66.0.0/16 74.68.0.0/16 74.71.0.0/16 74.72.0.0/15 76.58.52.0/23 98.0.128.0/17 98.12.0.0/16 98.13.128.0/17 98.14.0.0/15 98.7.0.0/17 98.7.192.0/18

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 85/100

partly	Prefixes covered by valid ROAs 111 of 119 announced prefixes are RPKI valid, 8 have no ROA.	23/25
pass	No RPKI invalid announcements None of the announcements is RPKI invalid.	10/10
pass	Announces IPv6 8 IPv6 prefixes.	15/15
pass	More than one upstream 2 upstreams seen in BGP.	10/10
n/a	Working abuse contact We have no registry record to check.
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
n/a	Registry record maintained We have no change date for this record.

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/12271"><img src="https://ip-fd.net/badge/asn/12271/health.svg" alt="AS12271 network health on IP-FD.net"></a>

Markdown

[![AS12271 network health](https://ip-fd.net/badge/asn/12271/health.svg)](https://ip-fd.net/asn/12271)

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.

Routing data

From the weekly collection

Registry record

From the nightly import

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/12271

const res = await fetch('https://ip-fd.net/api/v1/asn/12271', {
  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/12271', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/12271');
curl_setopt($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/12271", 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))

Works without a key at a lower rate. Get a free key.

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