AS54004

Name: AS54004 — Cablevision Lightpath LLC
Creator: ipdex

Cablevision Lightpath LLC ISP registered in United States

252IPv4 prefixes

35IPv6 prefixes

92%RPKI-valid

#171AS Rank

#114Rank in United States

2011-08-31Allocated

Cablevision Lightpath LLC (AS54004) — ISP, registered in United States. announces 252 IPv4 prefixes + 35 IPv6 prefixes. Rank in United States: #114. Allocated: 2011-08-31.

IPv4 252IPv6 35

Announced prefixes · 287

v4 40.183.68.0/24 valid
v4 40.183.69.0/24 valid
v4 40.183.70.0/24 valid
v4 40.183.71.0/24 valid
v4 40.183.72.0/24 valid
v4 40.183.73.0/24 valid
v4 40.183.74.0/24 valid
v4 40.183.75.0/24 valid
v4 40.183.76.0/24 valid
v4 40.183.77.0/24 valid
v4 40.183.78.0/24 valid
v4 40.183.79.0/24 valid
v4 47.19.0.0/16 unknown
v4 47.19.102.0/24 unknown
v4 47.19.104.0/24 unknown
v4 47.19.106.0/24 unknown
v4 47.19.141.0/24 unknown
v4 47.19.159.0/24 unknown
v4 47.19.199.0/24 unknown
v4 47.19.2.0/24 unknown
v4 47.19.204.0/23 valid
v4 47.19.71.0/24 unknown
v4 47.19.98.0/24 unknown
v4 64.84.108.0/24 valid
v4 64.84.109.0/24 valid
v4 64.84.110.0/24 valid
v4 64.84.111.0/24 valid
v4 65.51.0.0/20 valid
v4 65.51.112.0/20 valid
v4 65.51.123.0/24 valid
v4 65.51.128.0/17 valid
v4 65.51.128.0/20 valid
v4 65.51.144.0/20 valid
v4 65.51.16.0/21 valid
v4 65.51.160.0/20 valid
v4 65.51.176.0/20 valid
v4 65.51.192.0/20 valid
v4 65.51.194.0/24 valid
v4 65.51.208.0/20 valid
v4 65.51.224.0/20 valid
v4 65.51.24.0/22 valid
v4 65.51.240.0/20 valid
v4 65.51.32.0/19 valid
v4 65.51.32.0/20 valid
v4 65.51.45.0/24 valid
v4 65.51.48.0/20 valid
v4 65.51.64.0/18 valid
v4 65.51.64.0/20 valid
v4 65.51.80.0/20 valid
v4 65.51.80.0/24 valid

RPKI: rpki.cloudflare.com · 2026-06-21

— Routing status unavailable

Prefix history

Announced prefixes Source: ipdex daily snapshot · sparse rows, value holds until the next change (steps)

Data table

Day	Announced prefixes
2026-06-12	287
2026-06-13	287

Internet Exchanges · 1

MASS-IX Boston 100 Gbps

Facilities · 4

4 Facilities · 1 Countries

165 Halsey Meet-Me Room Newark
Digital Realty NYC (111 8th Ave) New York
Digital Realty NYC (60 Hudson) New York
Markley Group One Summer Street Boston Boston

Embed this on your site

Free badges and live charts — they update as the index does. No key, link back to ipdex.

Badge

Markdown

[![AS54004 on ipdex](https://ipdex.io/badge/asn/54004.svg)](https://ipdex.io/asn/AS54004/)

HTML

<a href="https://ipdex.io/asn/AS54004/"><img src="https://ipdex.io/badge/asn/54004.svg" alt="AS54004 on ipdex"></a>

Live chart (iframe)

<iframe src="https://ipdex.io/embed/asn/54004" width="680" height="260" frameborder="0" scrolling="no" title="ipdex chart" style="border:0;max-width:100%"></iframe>

oEmbed-enabled: paste the page URL into platforms that support oEmbed and the chart embeds automatically.