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

AS33287 · COMCAST-33287

Comcast Cable Communications LLC

AS33287 belongs to Comcast Cable Communications LLC and is a major transit provider, established in the United States in 2004. The system announces a respectable 13 312 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to the United States, with additional presence in Canada and Australia. 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
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
May 12, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
44 / 43
IPv6 Prefixes (raw / aggregated)
325 / 300
IPv4 Addresses
13 312
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (12 288 IPs), 🇨🇦 Canada (768 IPs), 🇦🇺 Australia (256 IPs)
Prefix Changed
May 09, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
1 upstream providing transit
Peers
1 network exchanging traffic without transit
Downstream Customers
129 downstreams buying transit
Unclassified
4 unclassified BGP neighbors
Degree
135 unique BGP neighbors
Reach
143 networks in customer cone

Upstream Providers (1)

Prefix Lists

IPv4 Prefixes (44 total)

  • 24.75.216.0/22 (1 024 addresses (/22 prefix))
  • 64.52.28.0/22 (1 024 addresses (/22 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))
  • 50.225.8.0/24 (256 addresses (/24 prefix))
  • 50.228.104.0/24 (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))
  • 50.148.165.0/24 (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))
  • 50.200.97.0/24 (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))
  • 50.148.139.0/24 (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))
  • 24.104.156.0/24 (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 (325 total)

  • 2001:559:40c::/47
  • 2001:559:b6::/47
  • 2001:559:108::/47
  • 2001:559:15e::/47
  • 2001:559:2f4::/47
  • 2001:559:c510::/47
  • 2001:559:c490::/47
  • 2001:559:c3bc::/47
  • 2001:559:c3ba::/47
  • 2001:559:c356::/47
  • 2001:559:c2ea::/47
  • 2001:559:c21a::/47
  • 2001:559:8508::/47
  • 2001:559:8452::/47
  • 2001:559:8376::/47
  • 2001:559:8372::/47
  • 2001:559:a8::/47
  • 2001:559:8158::/47
  • 2001:559:80da::/47
  • 2001:559:80b8::/47
  • 2001:559:726::/47
  • 2001:559:70a::/47
  • 2001:559:596::/47
  • 2001:559:4bc::/47
  • 2001:559:412::/47
  • 2001:559:82b0::/48
  • 2001:559:83c0::/48
  • 2001:559:1ea::/48
  • 2001:559:1ee::/48
  • 2001:559:238::/48
  • 2001:559:23a::/48
  • 2001:559:257::/48
  • 2001:559:25e::/48
  • 2001:559:272::/48
  • 2001:559:285::/48
  • 2001:559:28c::/48
  • 2001:559:2c3::/48
  • 2001:559:2c5::/48
  • 2001:559:2c7::/48
  • 2001:559:2c8::/48
  • 2001:559:2e2::/48
  • 2001:559:2ea::/48
  • 2001:559:2f1::/48
  • 2001:559:30f::/48
  • 2001:559:312::/48
  • 2001:559:35a::/48
  • 2001:559:35d::/48
  • 2001:559:369::/48
  • 2001:559:387::/48
  • 2001:559:38a::/48