$ query “AS33662” --type=asn → 1 result(s)

AS33662 — CMCS

Comcast Cable Communications LLC

AS33662 is a mid-size transit provider run by Comcast Cable Communications LLC, based in the United States since 2005. The network announces 4 352 IPv4 addresses. Supports IPv6.

  • 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
March 05, 2026

Prefix Summary

IPv4 Prefixes (raw / aggregated)
17 / 17
IPv6 Prefixes (raw / aggregated)
108 / 101
IPv4 Addresses
4 352
Largest IPv4 Prefix
/24 (256 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 US (17 IPs)
Prefix Changed
March 04, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 4 352 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
53 downstream autonomous systems buying transit
Degree
58 unique BGP neighbors (providers + customers + peers)
Reach
69 — customer cone size measuring network influence
Degree Rank
#2 677
Reach Rank
#1 333

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (17 total)

  • 24.104.75.0/24 (256 addresses)
  • 50.201.112.0/24 (256 addresses)
  • 50.217.18.0/24 (256 addresses)
  • 50.217.175.0/24 (256 addresses)
  • 50.220.66.0/24 (256 addresses)
  • 50.228.10.0/24 (256 addresses)
  • 50.228.194.0/24 (256 addresses)
  • 50.231.217.0/24 (256 addresses)
  • 50.232.18.0/24 (256 addresses)
  • 50.232.206.0/24 (256 addresses)
  • 50.234.8.0/24 (256 addresses)
  • 50.235.195.0/24 (256 addresses)
  • 50.235.196.0/24 (256 addresses)
  • 64.189.25.0/24 (256 addresses)
  • 107.1.148.0/24 (256 addresses)
  • 198.46.65.0/24 (256 addresses)
  • 208.110.207.0/24 (256 addresses)

IPv6 Prefixes (108 total)

  • 2001:559:852e::/47
  • 2001:559:85ce::/47
  • 2001:559:86d6::/47
  • 2001:559:c020::/47
  • 2001:559:c1fe::/47
  • 2001:559:c256::/47
  • 2001:559:c37e::/47
  • 2001:559:42::/48
  • 2001:559:12f::/48
  • 2001:559:130::/48
  • 2001:559:153::/48
  • 2001:559:154::/48
  • 2001:559:182::/48
  • 2001:559:18c::/48
  • 2001:559:1b3::/48
  • 2001:559:1e9::/48
  • 2001:559:1f2::/48
  • 2001:559:256::/48
  • 2001:559:265::/48
  • 2001:559:287::/48
  • 2001:559:334::/48
  • 2001:559:351::/48
  • 2001:559:38d::/48
  • 2001:559:392::/48
  • 2001:559:397::/48
  • 2001:559:398::/48
  • 2001:559:3e3::/48
  • 2001:559:3e4::/48
  • 2001:559:3ed::/48
  • 2001:559:4b7::/48
  • 2001:559:4fe::/48
  • 2001:559:5ab::/48
  • 2001:559:728::/48
  • 2001:559:8012::/48
  • 2001:559:804d::/48
  • 2001:559:8156::/48
  • 2001:559:8168::/48
  • 2001:559:8172::/48
  • 2001:559:81c9::/48
  • 2001:559:81f4::/48
  • 2001:559:8311::/48
  • 2001:559:83af::/48
  • 2001:559:83c1::/48
  • 2001:559:83de::/48
  • 2001:559:83fa::/48
  • 2001:559:8424::/48
  • 2001:559:8472::/48
  • 2001:559:84b7::/48
  • 2001:559:852d::/48
  • 2001:559:8544::/48