Autonomous System

AS54004 Cablevision Lightpath LLC

ISPActiveUnited StatesARIN

AS54004 (LIGHTPATH) is an ISP network operated by Cablevision Lightpath LLC in United States, registered with ARIN. It has 314 IPv4 prefixes with 520,704 addresses and 40 IPv6 prefixes, which makes it the 674th largest of 82,558 active autonomous systems by IPv4 space.

IPv4 addresses520,704in 314 prefixes
IPv6 prefixes40≈ 7.9 × 10²⁸ addresses
Size rank#674of 82,558 active ASNs
Abuser scoreVery Low0.01% of its addresses flagged · method

Details

OrganizationCablevision Lightpath LLC
AS nameLIGHTPATH
Websitelightpathfiber.com
Country United States (US)
Network typeISP
RegistryARIN
Abuse contactabuses@lightpathfiber.com
Registered2011-08-31
Last updated2026-01-16

IPv4 prefixes

314 prefixes · 520,704 addresses
NetworkAddressesFirst – last address
47.19.0.0/1665,53647.19.0.0 – 47.19.255.255
65.51.128.0/1732,76865.51.128.0 – 65.51.255.255
69.74.128.0/1732,76869.74.128.0 – 69.74.255.255
148.77.0.0/1732,768148.77.0.0 – 148.77.127.255
65.51.64.0/1816,38465.51.64.0 – 65.51.127.255
148.76.64.0/1816,384148.76.64.0 – 148.76.127.255
148.76.128.0/1816,384148.76.128.0 – 148.76.191.255
16.220.160.0/198,19216.220.160.0 – 16.220.191.255
65.51.32.0/198,19265.51.32.0 – 65.51.63.255
69.74.32.0/198,19269.74.32.0 – 69.74.63.255
69.74.96.0/198,19269.74.96.0 – 69.74.127.255
87.86.128.0/198,19287.86.128.0 – 87.86.159.255
16.221.208.0/204,09616.221.208.0 – 16.221.223.255
65.51.0.0/204,09665.51.0.0 – 65.51.15.255
65.51.32.0/204,09665.51.32.0 – 65.51.47.255
65.51.48.0/204,09665.51.48.0 – 65.51.63.255
65.51.64.0/204,09665.51.64.0 – 65.51.79.255
65.51.80.0/204,09665.51.80.0 – 65.51.95.255
65.51.96.0/204,09665.51.96.0 – 65.51.111.255
65.51.112.0/204,09665.51.112.0 – 65.51.127.255
65.51.128.0/204,09665.51.128.0 – 65.51.143.255
65.51.144.0/204,09665.51.144.0 – 65.51.159.255
65.51.160.0/204,09665.51.160.0 – 65.51.175.255
65.51.176.0/204,09665.51.176.0 – 65.51.191.255
65.51.192.0/204,09665.51.192.0 – 65.51.207.255
The 25 largest of 314. The API and the database have all of them.

IPv6 prefixes

40 prefixes
  • 2607:fda8::/32
  • 2607:fda8:4::/48
  • 2607:fda8:1001::/48
  • 2607:fda8:1003::/48
  • 2607:fda8:1005::/48
  • 2607:fda8:1006::/48
  • 2607:fda8:1007::/48
  • 2607:fda8:1008::/48
  • 2607:fda8:1010::/48
  • 2607:fda8:1011::/48
  • 2607:fda8:1012::/48
  • 2607:fda8:1013::/48
  • 2607:fda8:1014::/48
  • 2607:fda8:1015::/48
  • 2607:fda8:1020::/48
  • 2607:fda8:1021::/48
  • 2607:fda8:1022::/48
  • 2607:fda8:1023::/48
  • 2607:fda8:1028::/48
  • 2607:fda8:1029::/48
  • 2607:fda8:8000::/48
  • 2607:fda8:8003::/48
  • 2607:fda8:8004::/48
  • 2607:fda8:8007::/48
  • 2607:fda8:8008::/48
The 25 largest of 40. The API and the database have all of them.

Query AS54004 with the API

The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day. 

curl "https://api.ipapi.is/?q=AS54004&key=YOUR_API_KEY"

Any address in its prefixes resolves to AS54004, with or without a key:

curl "https://api.ipapi.is/?q=47.19.0.1"

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