$ query “AS54004” --type=asn → 1 result(s)

AS54004 · LIGHTPATH

Cablevision Lightpath LLC

AS54004 is run by Cablevision Lightpath LLC and is a major transit provider, based in the United States since 2011. The system announces a solid 390 144 IPv4 addresses, including a /16, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in the United Kingdom and Germany. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree

Basic Information

Country
🇺🇸 United States
Category
Internet Service Provider
Network Role
Major Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
August 31, 2011
Last Changed
March 04, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
293 / 143
IPv6 Prefixes (raw / aggregated)
39 / 1
IPv4 Addresses
390 144
Largest IPv4 Prefix
/16 (65 536 addresses)
Largest IPv6 Prefix
/32
Geolocated Countries
🇺🇸 United States (458 448 IPs), 🇬🇧 United Kingdom (1 888 IPs), 🇩🇪 Germany (32 IPs)
Prefix Changed
September 20, 2026

Reputation

Reputation
Good — 1 flagged IPs out of 390 144 total (0.00%)

Connectivity Summary

Upstream Providers
5 upstreams providing transit
Downstream Customers
327 downstreams buying transit
Unclassified
19 unclassified BGP neighbors
Degree
351 unique BGP neighbors
Reach
494 networks in customer cone

Upstream Providers (5)

  • AS6939 — HURRICANE
  • AS174 — COGENT (Tier-1 transit)
  • AS6461 — MFNX (Tier-1 transit)
  • AS1299 — TWELVE99 (Tier-1 transit)
  • AS6128 — CABLE-NET-1

Prefix Lists

IPv4 Prefixes (293 total)

  • 47.19.0.0/16 (65 536 addresses (/16 prefix))
  • 148.77.0.0/17 (32 768 addresses (/17 prefix))
  • 69.74.128.0/17 (32 768 addresses (/17 prefix))
  • 65.51.128.0/17 (32 768 addresses (/17 prefix))
  • 65.51.64.0/18 (16 384 addresses (/18 prefix))
  • 148.76.64.0/18 (16 384 addresses (/18 prefix))
  • 148.76.128.0/18 (16 384 addresses (/18 prefix))
  • 16.220.160.0/19 (8 192 addresses (/19 prefix))
  • 69.74.32.0/19 (8 192 addresses (/19 prefix))
  • 69.74.96.0/19 (8 192 addresses (/19 prefix))
  • 65.51.32.0/19 (8 192 addresses (/19 prefix))
  • 87.86.128.0/19 (8 192 addresses (/19 prefix))
  • 194.6.112.0/20 (4 096 addresses (/20 prefix))
  • 212.168.48.0/20 (4 096 addresses (/20 prefix))
  • 69.74.0.0/20 (4 096 addresses (/20 prefix))
  • 40.183.64.0/20 (4 096 addresses (/20 prefix))
  • 69.74.64.0/20 (4 096 addresses (/20 prefix))
  • 147.79.32.0/20 (4 096 addresses (/20 prefix))
  • 212.168.208.0/20 (4 096 addresses (/20 prefix))
  • 69.160.224.0/20 (4 096 addresses (/20 prefix))
  • 206.221.128.0/20 (4 096 addresses (/20 prefix))
  • 82.110.240.0/20 (4 096 addresses (/20 prefix))
  • 65.51.0.0/20 (4 096 addresses (/20 prefix))
  • 65.87.16.0/21 (2 048 addresses (/21 prefix))
  • 216.83.32.0/21 (2 048 addresses (/21 prefix))
  • 107.166.104.0/21 (2 048 addresses (/21 prefix))
  • 199.235.152.0/21 (2 048 addresses (/21 prefix))
  • 204.97.128.0/21 (2 048 addresses (/21 prefix))
  • 69.74.24.0/21 (2 048 addresses (/21 prefix))
  • 178.216.32.0/21 (2 048 addresses (/21 prefix))
  • 198.105.184.0/21 (2 048 addresses (/21 prefix))
  • 65.51.16.0/21 (2 048 addresses (/21 prefix))
  • 134.202.8.0/21 (2 048 addresses (/21 prefix))
  • 69.74.80.0/21 (2 048 addresses (/21 prefix))
  • 40.183.216.0/21 (2 048 addresses (/21 prefix))
  • 46.174.216.0/21 (2 048 addresses (/21 prefix))
  • 192.0.24.0/21 (2 048 addresses (/21 prefix))
  • 144.168.4.0/22 (1 024 addresses (/22 prefix))
  • 194.6.100.0/22 (1 024 addresses (/22 prefix))
  • 212.168.172.0/22 (1 024 addresses (/22 prefix))
  • 69.74.16.0/22 (1 024 addresses (/22 prefix))
  • 68.182.220.0/22 (1 024 addresses (/22 prefix))
  • 68.182.192.0/22 (1 024 addresses (/22 prefix))
  • 68.182.64.0/22 (1 024 addresses (/22 prefix))
  • 69.74.88.0/22 (1 024 addresses (/22 prefix))
  • 212.74.0.0/22 (1 024 addresses (/22 prefix))
  • 209.240.24.0/22 (1 024 addresses (/22 prefix))
  • 209.200.224.0/22 (1 024 addresses (/22 prefix))
  • 208.84.96.0/22 (1 024 addresses (/22 prefix))
  • 69.176.80.0/22 (1 024 addresses (/22 prefix))

IPv6 Prefixes (39 total)

  • 2607:fda8::/32