AS3456 Charter Communications Inc

United States Charter-Communications-TWC-3456-IT ARIN 9 IPv4 prefixes 7 IPv6 prefixes

IPv4 addresses

142,336

IPv6 /48 networks

8,196

RPKI

16 valid0 no ROA

Peers and downstreams

Holder

AS name: Charter-Communications-TWC-3456-IT
Description: Charter-Communications-TWC-3456-IT
Organisation: Charter Communications Inc
Abuse contact: Not published
Assigned: 1994-02-24
Registered: 1994-02-25
Record last changed: 2018-11-27 16:34 UTC

142.136.0.0/16 165.237.0.0/16 165.237.14.0/24 165.237.15.0/24 192.219.231.0/24 204.235.112.0/21 204.235.120.0/23 204.29.131.0/24 67.48.224.0/19

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 75/100

pass	Prefixes covered by valid ROAs 16 of 16 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
pass	More than one upstream 2 upstreams seen in BGP.	10/10
partly	Working abuse contact abuse@charter.net is published, but charter.net has no mail server (MX).	5/15
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
fail	Registry record maintained Last changed 2018-11-27.	0/5

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/3456"><img src="https://ip-fd.net/badge/asn/3456/health.svg" alt="AS3456 network health on IP-FD.net"></a>

Markdown

[![AS3456 network health](https://ip-fd.net/badge/asn/3456/health.svg)](https://ip-fd.net/asn/3456)

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:        AS3456
as-name:        TWC-3456-IT
handle:         AS3456
registrant:     CC-3517 (Charter Communications Inc)
administrative,technical:IPADD1-ARIN (IPAddressing) <PublicIPAddressing@charter.com>
abuse:          ABUSE19-ARIN (Abuse) <abuse@charter.net>
last changed:   2018-11-27T11:34:17-05:00
registration:   1994-02-25T00:00:00-05:00
source:         ARIN (RDAP)

Routing data

Updated just now

Registry record

Fetched just now from ARIN 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/3456

const res = await fetch('https://ip-fd.net/api/v1/asn/3456', {
  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/3456', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/3456');
curl_setopt($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/3456", 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.

AS7843	Charter Communications Inc TWC-7843-BB
AS20001	Charter Communications Inc TWC-20001-PACWEST