$ query “AS33287” --type=asn → 1 result(s)

AS33287 · COMCAST-33287

Comcast Cable Communications LLC

AS33287 is operated by Comcast Cable Communications LLC and serves as a major transit provider, established in the United States in 2004. The system announces a respectable 13 824 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Canada and Indonesia.

  • 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
November 16, 2004
Last Changed
March 04, 2026
Last Seen
October 21, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
45 / 44
IPv6 Prefixes (raw / aggregated)
306 / 285
IPv4 Addresses
13 824
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (12 544 IPs), 🇨🇦 Canada (1 024 IPs), 🇮🇩 Indonesia (256 IPs)
Prefix Changed
October 13, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Peers
1 network exchanging traffic without transit
Downstream Customers
132 downstreams buying transit
Unclassified
6 unclassified BGP neighbors
Degree
139 unique BGP neighbors
Reach
140 networks in customer cone

Prefix Lists

IPv4 Prefixes (45 total)

  • 24.75.216.0/22 (1 024 addresses (/22 prefix))
  • 64.52.28.0/22 (1 024 addresses (/22 prefix))
  • 31.132.54.0/23 (512 addresses (/23 prefix))
  • 45.58.210.0/23 (512 addresses (/23 prefix))
  • 69.91.182.0/23 (512 addresses (/23 prefix))
  • 158.62.214.0/23 (512 addresses (/23 prefix))
  • 24.104.156.0/24 (256 addresses (/24 prefix))
  • 50.148.139.0/24 (256 addresses (/24 prefix))
  • 50.148.165.0/24 (256 addresses (/24 prefix))
  • 50.200.97.0/24 (256 addresses (/24 prefix))
  • 50.201.99.0/24 (256 addresses (/24 prefix))
  • 50.202.31.0/24 (256 addresses (/24 prefix))
  • 50.202.142.0/24 (256 addresses (/24 prefix))
  • 50.202.176.0/24 (256 addresses (/24 prefix))
  • 50.203.190.0/24 (256 addresses (/24 prefix))
  • 50.206.77.0/24 (256 addresses (/24 prefix))
  • 50.206.85.0/24 (256 addresses (/24 prefix))
  • 50.206.163.0/24 (256 addresses (/24 prefix))
  • 50.207.65.0/24 (256 addresses (/24 prefix))
  • 50.216.135.0/24 (256 addresses (/24 prefix))
  • 50.216.138.0/24 (256 addresses (/24 prefix))
  • 50.218.90.0/24 (256 addresses (/24 prefix))
  • 50.222.119.0/24 (256 addresses (/24 prefix))
  • 50.225.8.0/24 (256 addresses (/24 prefix))
  • 50.225.65.0/24 (256 addresses (/24 prefix))
  • 50.225.139.0/24 (256 addresses (/24 prefix))
  • 50.227.176.0/24 (256 addresses (/24 prefix))
  • 50.229.207.0/24 (256 addresses (/24 prefix))
  • 50.232.31.0/24 (256 addresses (/24 prefix))
  • 50.232.103.0/24 (256 addresses (/24 prefix))
  • 107.0.50.0/24 (256 addresses (/24 prefix))
  • 107.1.33.0/24 (256 addresses (/24 prefix))
  • 107.1.53.0/24 (256 addresses (/24 prefix))
  • 107.1.86.0/24 (256 addresses (/24 prefix))
  • 107.1.136.0/24 (256 addresses (/24 prefix))
  • 158.62.212.0/24 (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))
  • 192.64.165.0/24 (256 addresses (/24 prefix))
  • 192.133.105.0/24 (256 addresses (/24 prefix))
  • 192.135.0.0/24 (256 addresses (/24 prefix))
  • 198.184.150.0/24 (256 addresses (/24 prefix))
  • 209.23.225.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (306 total)

  • 2001:559:a8::/47
  • 2001:559:b6::/47
  • 2001:559:108::/47
  • 2001:559:15e::/47
  • 2001:559:2f4::/47
  • 2001:559:40c::/47
  • 2001:559:412::/47
  • 2001:559:4bc::/47
  • 2001:559:596::/47
  • 2001:559:70a::/47
  • 2001:559:726::/47
  • 2001:559:80b8::/47
  • 2001:559:8158::/47
  • 2001:559:8372::/47
  • 2001:559:8508::/47
  • 2001:559:c21a::/47
  • 2001:559:c2ea::/47
  • 2001:559:c356::/47
  • 2001:559:c3ba::/47
  • 2001:559:c490::/47
  • 2001:559:c510::/47
  • 2001:559:30::/48
  • 2001:559:4b::/48
  • 2001:559:81::/48
  • 2001:559:c2::/48
  • 2001:559:d6::/48
  • 2001:559:111::/48
  • 2001:559:117::/48
  • 2001:559:121::/48
  • 2001:559:139::/48
  • 2001:559:149::/48
  • 2001:559:14a::/48
  • 2001:559:165::/48
  • 2001:559:193::/48
  • 2001:559:1aa::/48
  • 2001:559:1b6::/48
  • 2001:559:1bc::/48
  • 2001:559:1bf::/48
  • 2001:559:1c3::/48
  • 2001:559:1c4::/48
  • 2001:559:1c7::/48
  • 2001:559:1d3::/48
  • 2001:559:1ea::/48
  • 2001:559:1ee::/48
  • 2001:559:257::/48
  • 2001:559:25e::/48
  • 2001:559:272::/48
  • 2001:559:28c::/48
  • 2001:559:2c3::/48
  • 2001:559:2c5::/48