$ query “AS33659” --type=asn → 1 result(s)

AS33659 · CMCS

Comcast Cable Communications LLC

AS33659 is run by Comcast Cable Communications LLC and is a mid-size transit provider, registered in the United States since 2005. The system announces a respectable 57 088 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States, with additional presence in Canada and Cambodia, and a smaller footprint in another country. 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
Mid-size Transit
Data Origin
Authoritative — Metadata from authoritative RIR registry (ARIN, RIPE, APNIC, etc.)
Registered
February 16, 2005
Last Changed
March 04, 2026
Last Seen
May 01, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
77 / 65
IPv6 Prefixes (raw / aggregated)
137 / 131
IPv4 Addresses
57 088
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (63 232 IPs), 🇨🇦 Canada (1 536 IPs), 🇰🇭 Cambodia (512 IPs) and 1 more
Prefix Changed
May 02, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
77 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
83 unique BGP neighbors
Reach
94 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (77 total)

  • 9.142.0.0/19 (8 192 addresses (/19 prefix))
  • 107.166.16.0/20 (4 096 addresses (/20 prefix))
  • 107.166.96.0/20 (4 096 addresses (/20 prefix))
  • 138.226.0.0/20 (4 096 addresses (/20 prefix))
  • 170.100.192.0/21 (2 048 addresses (/21 prefix))
  • 138.226.88.0/21 (2 048 addresses (/21 prefix))
  • 52.128.192.0/22 (1 024 addresses (/22 prefix))
  • 23.234.152.0/22 (1 024 addresses (/22 prefix))
  • 64.112.8.0/22 (1 024 addresses (/22 prefix))
  • 45.150.168.0/22 (1 024 addresses (/22 prefix))
  • 45.151.196.0/22 (1 024 addresses (/22 prefix))
  • 195.138.124.0/22 (1 024 addresses (/22 prefix))
  • 193.31.104.0/22 (1 024 addresses (/22 prefix))
  • 185.188.192.0/22 (1 024 addresses (/22 prefix))
  • 170.100.200.0/22 (1 024 addresses (/22 prefix))
  • 64.93.84.0/22 (1 024 addresses (/22 prefix))
  • 24.75.216.0/22 (1 024 addresses (/22 prefix))
  • 170.100.128.0/22 (1 024 addresses (/22 prefix))
  • 64.52.28.0/22 (1 024 addresses (/22 prefix))
  • 195.211.116.0/22 (1 024 addresses (/22 prefix))
  • 23.234.144.0/22 (1 024 addresses (/22 prefix))
  • 23.227.92.0/22 (1 024 addresses (/22 prefix))
  • 23.227.64.0/22 (1 024 addresses (/22 prefix))
  • 95.164.224.0/22 (1 024 addresses (/22 prefix))
  • 69.30.72.0/22 (1 024 addresses (/22 prefix))
  • 52.128.204.0/22 (1 024 addresses (/22 prefix))
  • 52.128.220.0/22 (1 024 addresses (/22 prefix))
  • 50.238.108.0/23 (512 addresses (/23 prefix))
  • 158.62.214.0/23 (512 addresses (/23 prefix))
  • 31.132.54.0/23 (512 addresses (/23 prefix))
  • 45.58.210.0/23 (512 addresses (/23 prefix))
  • 69.30.76.0/23 (512 addresses (/23 prefix))
  • 50.228.255.0/24 (256 addresses (/24 prefix))
  • 50.226.61.0/24 (256 addresses (/24 prefix))
  • 64.253.90.0/24 (256 addresses (/24 prefix))
  • 69.91.139.0/24 (256 addresses (/24 prefix))
  • 69.91.147.0/24 (256 addresses (/24 prefix))
  • 78.31.205.0/24 (256 addresses (/24 prefix))
  • 63.246.150.0/24 (256 addresses (/24 prefix))
  • 107.0.169.0/24 (256 addresses (/24 prefix))
  • 50.235.249.0/24 (256 addresses (/24 prefix))
  • 50.231.216.0/24 (256 addresses (/24 prefix))
  • 50.231.154.0/24 (256 addresses (/24 prefix))
  • 50.231.144.0/24 (256 addresses (/24 prefix))
  • 158.62.212.0/24 (256 addresses (/24 prefix))
  • 50.231.89.0/24 (256 addresses (/24 prefix))
  • 170.62.252.0/24 (256 addresses (/24 prefix))
  • 170.62.255.0/24 (256 addresses (/24 prefix))
  • 50.229.146.0/24 (256 addresses (/24 prefix))
  • 68.234.42.0/24 (256 addresses (/24 prefix))
  • and 15 more

IPv6 Prefixes (137 total)

  • 2001:559:1f8::/47
  • 2001:559:410::/47
  • 2001:559:452::/47
  • 2001:559:84fe::/47
  • 2001:559:86de::/47
  • 2001:559:c392::/47
  • 2001:559:8449::/48
  • 2001:559:84f1::/48
  • 2001:559:180::/48
  • 2001:559:189::/48
  • 2001:559:18a::/48
  • 2001:559:191::/48
  • 2001:559:1da::/48
  • 2001:559:1e0::/48
  • 2001:559:1e8::/48
  • 2001:559:1f0::/48
  • 2001:559:1fd::/48
  • 2001:559:200::/48
  • 2001:559:208::/48
  • 2001:559:20c::/48
  • 2001:559:24e::/48
  • 2001:559:260::/48
  • 2001:559:28f::/48
  • 2001:559:2ce::/48
  • 2001:559:2d3::/48
  • 2001:559:300::/48
  • 2001:559:359::/48
  • 2001:559:380::/48
  • 2001:559:3a9::/48
  • 2001:559:40b::/48
  • 2001:559:40e::/48
  • 2001:559:414::/48
  • 2001:559:44a::/48
  • 2001:559:45d::/48
  • 2001:559:466::/48
  • 2001:559:84c4::/48
  • 2001:559:505::/48
  • 2001:559:534::/48
  • 2001:559:551::/48
  • 2001:559:5fd::/48
  • 2001:559:705::/48
  • 2001:559:70c::/48
  • 2001:559:72a::/48
  • 2001:559:72d::/48
  • 2001:559:753::/48
  • 2001:559:75c::/48
  • 2001:559:76f::/48
  • 2001:559:785::/48
  • 2001:559:7ab::/48
  • 2001:559:7dc::/48
  • and 81 more