$ query “AS33652” --type=asn → 1 result(s)

AS33652 · CMCS

Comcast Cable Communications LLC

AS33652 is owned by Comcast Cable Communications LLC and is a major transit provider, based in the United States since 2005. The system announces a respectable 16 384 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Lithuania and Australia, and a smaller footprint in another country. This AS has recently updated its prefix announcements.

  • 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
February 16, 2005
Last Changed
March 04, 2026
Last Seen
April 28, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
41 / 41
IPv6 Prefixes (raw / aggregated)
160 / 151
IPv4 Addresses
16 384
Largest IPv4 Prefix
/20 (4 096 addresses)
Largest IPv6 Prefix
/46
Geolocated Countries
🇺🇸 United States (15 104 IPs), 🇱🇹 Lithuania (1 792 IPs), 🇦🇺 Australia (256 IPs) and 1 more
Prefix Changed
April 22, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
3 upstreams providing transit
Downstream Customers
72 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
80 unique BGP neighbors
Reach
130 networks in customer cone

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (41 total)

  • 64.130.16.0/20 (4 096 addresses (/20 prefix))
  • 64.50.168.0/21 (2 048 addresses (/21 prefix))
  • 107.1.222.0/23 (512 addresses (/23 prefix))
  • 50.227.142.0/24 (256 addresses (/24 prefix))
  • 50.232.50.0/24 (256 addresses (/24 prefix))
  • 50.169.236.0/24 (256 addresses (/24 prefix))
  • 50.169.239.0/24 (256 addresses (/24 prefix))
  • 50.201.230.0/24 (256 addresses (/24 prefix))
  • 50.203.219.0/24 (256 addresses (/24 prefix))
  • 50.204.71.0/24 (256 addresses (/24 prefix))
  • 50.205.29.0/24 (256 addresses (/24 prefix))
  • 50.206.155.0/24 (256 addresses (/24 prefix))
  • 50.233.144.0/24 (256 addresses (/24 prefix))
  • 50.220.96.0/24 (256 addresses (/24 prefix))
  • 50.221.47.0/24 (256 addresses (/24 prefix))
  • 50.221.49.0/24 (256 addresses (/24 prefix))
  • 50.222.96.0/24 (256 addresses (/24 prefix))
  • 50.222.100.0/24 (256 addresses (/24 prefix))
  • 50.225.186.0/24 (256 addresses (/24 prefix))
  • 50.227.104.0/24 (256 addresses (/24 prefix))
  • 24.104.146.0/24 (256 addresses (/24 prefix))
  • 50.147.168.0/24 (256 addresses (/24 prefix))
  • 50.228.62.0/24 (256 addresses (/24 prefix))
  • 50.218.67.0/24 (256 addresses (/24 prefix))
  • 50.236.26.0/24 (256 addresses (/24 prefix))
  • 50.237.69.0/24 (256 addresses (/24 prefix))
  • 50.238.57.0/24 (256 addresses (/24 prefix))
  • 50.238.58.0/24 (256 addresses (/24 prefix))
  • 46.202.218.0/24 (256 addresses (/24 prefix))
  • 46.34.39.0/24 (256 addresses (/24 prefix))
  • 77.111.118.0/24 (256 addresses (/24 prefix))
  • 92.113.86.0/24 (256 addresses (/24 prefix))
  • 92.113.89.0/24 (256 addresses (/24 prefix))
  • 92.113.114.0/24 (256 addresses (/24 prefix))
  • 107.1.38.0/24 (256 addresses (/24 prefix))
  • 45.147.159.0/24 (256 addresses (/24 prefix))
  • 107.1.252.0/24 (256 addresses (/24 prefix))
  • 139.181.28.0/24 (256 addresses (/24 prefix))
  • 166.88.179.0/24 (256 addresses (/24 prefix))
  • 192.234.211.0/24 (256 addresses (/24 prefix))
  • 204.228.81.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (160 total)

  • 2001:559:250::/46
  • 2001:559:83a0::/46
  • 2001:559:27c::/47
  • 2001:559:83a4::/47
  • 2001:559:86e8::/47
  • 2001:559:822d::/48
  • 2001:559:8316::/48
  • 2001:559:163::/48
  • 2001:559:167::/48
  • 2001:559:17b::/48
  • 2001:559:183::/48
  • 2001:559:198::/48
  • 2001:559:19c::/48
  • 2001:559:19e::/48
  • 2001:559:1b4::/48
  • 2001:559:1f3::/48
  • 2001:559:1f5::/48
  • 2001:559:1f6::/48
  • 2001:559:1fb::/48
  • 2001:559:207::/48
  • 2001:559:24a::/48
  • 2001:559:26f::/48
  • 2001:559:28e::/48
  • 2001:559:29f::/48
  • 2001:559:2b3::/48
  • 2001:559:2b7::/48
  • 2001:559:2b8::/48
  • 2001:559:2c0::/48
  • 2001:559:2c4::/48
  • 2001:559:2df::/48
  • 2001:559:2e8::/48
  • 2001:559:321::/48
  • 2001:559:323::/48
  • 2001:559:335::/48
  • 2001:559:349::/48
  • 2001:559:35f::/48
  • 2001:559:384::/48
  • 2001:559:39f::/48
  • 2001:559:3a0::/48
  • 2001:559:3d3::/48
  • 2001:559:3d4::/48
  • 2001:559:3d6::/48
  • 2001:559:3dd::/48
  • 2001:559:3df::/48
  • 2001:559:3e0::/48
  • 2001:559:3ec::/48
  • 2001:559:415::/48
  • 2001:559:45c::/48
  • 2001:559:4ba::/48
  • 2001:559:507::/48
  • and 101 more