$ query “AS7725” --type=asn → 1 result(s)

AS7725 · COMCAST-7725

Comcast Cable Communications LLC

AS7725 belongs to Comcast Cable Communications LLC and is a major transit provider, established in the United States in 1996. The system announces a respectable 12 032 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States. This AS's prefix announcements have been recently modified.

  • Top 5% — Top 5% of all autonomous systems by reach and degree
  • Pioneer — Registered before the year 2000

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
December 20, 1996
Last Changed
March 04, 2026
Last Seen
April 30, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
36 / 34
IPv6 Prefixes (raw / aggregated)
125 / 118
IPv4 Addresses
12 032
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/16
Geolocated Countries
🇺🇸 United States (12 032 IPs)
Prefix Changed
April 29, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
66 downstreams buying transit
Unclassified
2 unclassified BGP neighbors
Degree
70 unique BGP neighbors
Reach
119 networks in customer cone

Upstream Providers (2)

  • AS3356 — LEVEL3 (Tier-1 transit)
  • AS7922 — COMCAST-7922

Prefix Lists

IPv4 Prefixes (36 total)

  • 72.162.44.0/22 (1 024 addresses (/22 prefix))
  • 72.162.28.0/22 (1 024 addresses (/22 prefix))
  • 50.205.36.0/23 (512 addresses (/23 prefix))
  • 205.167.158.0/23 (512 addresses (/23 prefix))
  • 72.162.100.0/23 (512 addresses (/23 prefix))
  • 72.162.48.0/23 (512 addresses (/23 prefix))
  • 72.162.36.0/23 (512 addresses (/23 prefix))
  • 72.162.12.0/23 (512 addresses (/23 prefix))
  • 50.224.48.0/23 (512 addresses (/23 prefix))
  • 50.204.249.0/24 (256 addresses (/24 prefix))
  • 50.201.221.0/24 (256 addresses (/24 prefix))
  • 50.207.4.0/24 (256 addresses (/24 prefix))
  • 50.220.99.0/24 (256 addresses (/24 prefix))
  • 50.220.236.0/24 (256 addresses (/24 prefix))
  • 24.104.42.0/24 (256 addresses (/24 prefix))
  • 50.225.207.0/24 (256 addresses (/24 prefix))
  • 50.232.28.0/24 (256 addresses (/24 prefix))
  • 50.233.190.0/24 (256 addresses (/24 prefix))
  • 50.234.27.0/24 (256 addresses (/24 prefix))
  • 50.235.151.0/24 (256 addresses (/24 prefix))
  • 50.238.8.0/24 (256 addresses (/24 prefix))
  • 50.204.42.0/24 (256 addresses (/24 prefix))
  • 50.205.240.0/24 (256 addresses (/24 prefix))
  • 72.162.32.0/24 (256 addresses (/24 prefix))
  • 50.201.206.0/24 (256 addresses (/24 prefix))
  • 50.201.173.0/24 (256 addresses (/24 prefix))
  • 50.200.228.0/24 (256 addresses (/24 prefix))
  • 50.200.84.0/24 (256 addresses (/24 prefix))
  • 107.0.147.0/24 (256 addresses (/24 prefix))
  • 139.181.24.0/24 (256 addresses (/24 prefix))
  • 167.136.33.0/24 (256 addresses (/24 prefix))
  • 167.183.251.0/24 (256 addresses (/24 prefix))
  • 24.104.125.0/24 (256 addresses (/24 prefix))
  • 209.23.246.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (125 total)

  • 2002::/16
  • 2001:559:382::/47
  • 2001:559:8712::/47
  • 2001:559:86e6::/47
  • 2001:559:850c::/47
  • 2001:559:8456::/47
  • 2001:559:83d2::/47
  • 2001:559:81c4::/47
  • 2001:559:83f6::/48
  • 2001:559:75d::/48
  • 2001:559:1fe::/48
  • 2001:559:21f::/48
  • 2001:559:255::/48
  • 2001:559:267::/48
  • 2001:559:28d::/48
  • 2001:559:325::/48
  • 2001:559:36b::/48
  • 2001:559:1c8::/48
  • 2001:559:38b::/48
  • 2001:559:396::/48
  • 2001:559:3cd::/48
  • 2001:559:3db::/48
  • 2001:559:406::/48
  • 2001:559:422::/48
  • 2001:559:448::/48
  • 2001:559:46e::/48
  • 2001:559:471::/48
  • 2001:559:4e0::/48
  • 2001:559:506::/48
  • 2001:559:52d::/48
  • 2001:559:547::/48
  • 2001:559:579::/48
  • 2001:559:59e::/48
  • 2001:559:5d0::/48
  • 2001:559:701::/48
  • 2001:559:71a::/48
  • 2001:559:84d0::/48
  • 2001:559:76d::/48
  • 2001:559:7d4::/48
  • 2001:559:7fd::/48
  • 2001:559:800d::/48
  • 2001:559:805d::/48
  • 2001:559:80c9::/48
  • 2001:559:80ca::/48
  • 2001:559:80cc::/48
  • 2001:559:8107::/48
  • 2001:559:f4::/48
  • 2001:559:8160::/48
  • 2001:559:8176::/48
  • 2001:559:1ad::/48
  • and 68 more