AS6128 Cablevision Systems Corp.

United States AS6128 ARIN 81 IPv4 prefixes 10 IPv6 prefixes

IPv4 addresses

5,057,792

IPv6 /48 networks

1,114,112

RPKI

72 valid19 no ROA

Peers and downstreams

Holder

AS name: AS6128
Description: 1111 Stewart Avenue Bethpage NY 11714 United States
Organisation: Cablevision Systems Corp.
Abuse contact: Not published

104.148.128.0/17 104.246.0.0/17 107.188.0.0/17 108.162.0.0/18 108.170.64.0/18 108.179.0.0/18 108.58.0.0/16 142.54.64.0/18 144.62.128.0/17 148.74.0.0/15 148.76.0.0/18 148.76.192.0/19 148.76.224.0/19 148.77.128.0/17 162.216.56.0/21 167.206.0.0/19 167.206.112.0/22 167.206.113.0/24 167.206.116.0/23 167.206.121.0/24 167.206.124.0/22 167.206.128.0/17 167.206.32.0/21 167.206.40.0/22 167.206.44.0/24 167.206.45.0/24 167.206.46.0/23 167.206.48.0/20 167.206.64.0/19 167.206.96.0/20 173.2.0.0/15 173.220.0.0/16 173.229.64.0/18 173.251.0.0/17 174.44.0.0/16 192.208.120.0/21 198.182.247.0/24 198.46.96.0/19 209.140.32.0/19 216.255.96.0/19 24.146.128.0/17 24.157.32.0/19 24.157.51.0/24 24.184.0.0/14 24.188.0.0/14 24.189.218.0/24 24.228.0.0/16 24.246.96.0/19 24.38.0.0/17 24.38.192.0/18 24.44.0.0/14 24.89.128.0/18 47.16.0.0/14 47.16.0.0/15 47.18.0.0/16 47.20.0.0/14 50.29.0.0/17 63.142.20.0/24 63.247.160.0/19 64.15.0.0/16 65.19.0.0/16 67.80.0.0/13 67.80.0.0/14 67.84.0.0/14 68.192.0.0/13 68.192.0.0/14 68.196.0.0/14 69.112.0.0/13 69.112.0.0/14 69.116.0.0/14 69.120.0.0/13 69.120.0.0/14 69.124.0.0/14 69.27.224.0/19 69.27.228.0/24 74.88.0.0/15 74.89.0.0/24 74.90.0.0/16 75.127.128.0/17 75.99.0.0/16 96.56.0.0/15

Routing changes

Last 30 days

2026-10-04 07:46 UTC	Neighbour gone	AS263152	peer
2026-10-04 07:46 UTC	Neighbour gone	AS1031	upstream
2026-10-04 07:46 UTC	Relationship changed	AS8359	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS8220	upstream to peer
2026-10-04 07:46 UTC	New neighbour	AS7195	peer
2026-10-04 07:46 UTC	Relationship changed	AS6204	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS60068	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS577	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS5400	upstream to peer
2026-10-04 07:46 UTC	New neighbour	AS46450	peer
2026-10-04 07:46 UTC	Relationship changed	AS41095	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS37468	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS3737	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS33891	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS3356	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS3303	upstream to peer
2026-10-04 07:46 UTC	New neighbour	AS262761	peer
2026-10-04 07:46 UTC	New neighbour	AS20326	peer
2026-10-04 07:46 UTC	Relationship changed	AS19108	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS13786	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS137409	upstream to peer
2026-10-04 07:46 UTC	Relationship changed	AS1273	upstream to peer

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/6128

const res = await fetch('https://ip-fd.net/api/v1/asn/6128', {
  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/6128', headers={'X-API-Key': 'YOUR_KEY'}, timeout=10)
r.raise_for_status()
print(r.json())

<?php
$ch = curl_init('https://ip-fd.net/api/v1/asn/6128');
curl_setopt($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/6128", 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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