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

AS33659 · CMCS

Comcast Cable Communications LLC

AS33659 is owned by Comcast Cable Communications LLC and is a mid-size transit provider, established in the United States in 2005. The system announces a respectable 57 344 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Canada and Cambodia. 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
June 27, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
78 / 66
IPv6 Prefixes (raw / aggregated)
137 / 131
IPv4 Addresses
57 344
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (63 488 IPs), 🇨🇦 Canada (1 792 IPs), 🇰🇭 Cambodia (512 IPs)
Prefix Changed
June 26, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
75 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
83 unique BGP neighbors
Reach
92 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (78 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))
  • 23.227.64.0/22 (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))
  • 64.112.8.0/22 (1 024 addresses (/22 prefix))
  • 170.100.128.0/22 (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))
  • 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))
  • 95.164.224.0/22 (1 024 addresses (/22 prefix))
  • 64.52.28.0/22 (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))
  • 69.30.76.0/23 (512 addresses (/23 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))
  • 64.253.90.0/24 (256 addresses (/24 prefix))
  • 50.228.255.0/24 (256 addresses (/24 prefix))
  • 63.246.150.0/24 (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))
  • 50.235.249.0/24 (256 addresses (/24 prefix))
  • 107.0.169.0/24 (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))
  • 50.231.89.0/24 (256 addresses (/24 prefix))
  • 158.62.212.0/24 (256 addresses (/24 prefix))
  • 50.229.146.0/24 (256 addresses (/24 prefix))
  • 167.254.205.0/24 (256 addresses (/24 prefix))
  • 170.62.252.0/24 (256 addresses (/24 prefix))
  • 170.62.255.0/24 (256 addresses (/24 prefix))
  • 68.234.42.0/24 (256 addresses (/24 prefix))

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