$ query “AS22909” --type=asn → 1 result(s)

AS22909 · COMCAST-22909

Comcast Cable Communications LLC

AS22909 is operated by Comcast Cable Communications LLC and serves as a mid-size transit provider, based in the United States since 2001. The system announces 1 536 IPv4 addresses, and supports IPv6. Most of its address space is geolocated to 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
December 12, 2001
Last Changed
March 04, 2026
Last Seen
September 22, 2026 (active)

Prefix Summary

IPv4 Prefixes (raw / aggregated)
6 / 6
IPv6 Prefixes (raw / aggregated)
49 / 46
IPv4 Addresses
1 536
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 United States (1 536 IPs)
Prefix Changed
September 01, 2026

Reputation

Reputation
Pristine — 0 flagged IPs

Connectivity Summary

Upstream Providers
2 upstreams providing transit
Downstream Customers
37 downstreams buying transit
Unclassified
5 unclassified BGP neighbors
Degree
44 unique BGP neighbors
Reach
37 networks in customer cone

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (6 total)

  • 50.201.4.0/24 (256 addresses (/24 prefix))
  • 50.202.69.0/24 (256 addresses (/24 prefix))
  • 50.216.148.0/24 (256 addresses (/24 prefix))
  • 50.221.219.0/24 (256 addresses (/24 prefix))
  • 50.231.153.0/24 (256 addresses (/24 prefix))
  • 50.232.105.0/24 (256 addresses (/24 prefix))

IPv6 Prefixes (49 total)

  • 2001:559:8072::/47
  • 2001:559:c4a2::/47
  • 2001:559:c032::/47
  • 2001:559:8448::/48
  • 2001:559:8495::/48
  • 2001:559:447::/48
  • 2001:559:4d6::/48
  • 2001:559:5b5::/48
  • 2001:559:5bd::/48
  • 2001:559:5e2::/48
  • 2001:559:5e6::/48
  • 2001:559:5eb::/48
  • 2001:559:5f5::/48
  • 2001:559:286::/48
  • 2001:559:818c::/48
  • 2001:559:8194::/48
  • 2001:559:819e::/48
  • 2001:559:83df::/48
  • 2001:559:83f5::/48
  • 2001:559:8422::/48
  • 2001:559:846b::/48
  • 2001:559:8435::/48
  • 2001:559:15b::/48
  • 2001:559:3e9::/48
  • 2001:559:8468::/48
  • 2001:559:8433::/48
  • 2001:559:84c8::/48
  • 2001:559:84cf::/48
  • 2001:559:8541::/48
  • 2001:559:854b::/48
  • 2001:559:8607::/48
  • 2001:559:86d0::/48
  • 2001:559:86e1::/48
  • 2001:559:872f::/48
  • 2001:559:8787::/48
  • 2001:559:8790::/48
  • 2001:559:245::/48
  • 2001:559:c15d::/48
  • 2001:559:c16a::/48
  • 2001:559:c1b0::/48
  • 2001:559:c1e4::/48
  • 2001:559:c214::/48
  • 2001:559:c310::/48
  • 2001:559:c312::/48
  • 2001:559:c43a::/48
  • 2001:559:20b::/48