$ query “AS33650” --type=asn → 1 result(s)

AS33650 · COMCAST-33650

Comcast Cable Communications LLC

AS33650 is run by Comcast Cable Communications LLC and is a mid-size transit provider, based in the United States since 2005. The system announces 4 608 IPv4 addresses, and supports IPv6. The bulk of its IP address space is in the United States.

  • 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
April 29, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
13 / 13
IPv6 Prefixes (raw / aggregated)
112 / 109
IPv4 Addresses
4 608
Largest IPv4 Prefix
/22 (1 024 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (4 608 IPs)
Prefix Changed
March 20, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

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

Upstream Providers (3)

Prefix Lists

IPv4 Prefixes (13 total)

  • 199.79.96.0/22 (1 024 addresses (/22 prefix))
  • 50.226.76.0/23 (512 addresses (/23 prefix))
  • 50.234.46.0/23 (512 addresses (/23 prefix))
  • 50.207.166.0/24 (256 addresses (/24 prefix))
  • 50.216.238.0/24 (256 addresses (/24 prefix))
  • 50.222.54.0/24 (256 addresses (/24 prefix))
  • 50.202.174.0/24 (256 addresses (/24 prefix))
  • 50.204.214.0/24 (256 addresses (/24 prefix))
  • 50.238.166.0/24 (256 addresses (/24 prefix))
  • 50.238.235.0/24 (256 addresses (/24 prefix))
  • 64.145.72.0/24 (256 addresses (/24 prefix))
  • 107.0.168.0/24 (256 addresses (/24 prefix))
  • 50.204.37.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (112 total)

  • 2001:559:8678::/47
  • 2001:559:c216::/47
  • 2001:559:c07e::/47
  • 2001:559:861c::/48
  • 2001:559:8102::/48
  • 2001:559:8675::/48
  • 2001:559:263::/48
  • 2001:559:268::/48
  • 2001:559:275::/48
  • 2001:559:2a6::/48
  • 2001:559:30e::/48
  • 2001:559:327::/48
  • 2001:559:332::/48
  • 2001:559:33a::/48
  • 2001:559:3fb::/48
  • 2001:559:4b9::/48
  • 2001:559:509::/48
  • 2001:559:50e::/48
  • 2001:559:51a::/48
  • 2001:559:580::/48
  • 2001:559:5a3::/48
  • 2001:559:5e7::/48
  • 2001:559:5e9::/48
  • 2001:559:73e::/48
  • 2001:559:744::/48
  • 2001:559:76c::/48
  • 2001:559:7a8::/48
  • 2001:559:7c0::/48
  • 2001:559:7cc::/48
  • 2001:559:7d3::/48
  • 2001:559:7da::/48
  • 2001:559:8004::/48
  • 2001:559:80c0::/48
  • 2001:559:8664::/48
  • 2001:559:81b7::/48
  • 2001:559:81e5::/48
  • 2001:559:8207::/48
  • 2001:559:82d5::/48
  • 2001:559:82e7::/48
  • 2001:559:8387::/48
  • 2001:559:83f7::/48
  • 2001:559:8474::/48
  • 2001:559:848e::/48
  • 2001:559:8494::/48
  • 2001:559:84cd::/48
  • 2001:559:8620::/48
  • 2001:559:8530::/48
  • 2001:559:8565::/48
  • 2001:559:856c::/48
  • 2001:559:856e::/48
  • and 59 more