$ query “AS33659” --type=asn → 1 result(s)

AS33659 — CMCS

Comcast Cable Communications LLC

AS33659 is a mid-size transit provider run by Comcast Cable Communications LLC, based in the United States since 2005. The network announces a respectable 70 400 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)
103 / 90
IPv6 Prefixes (raw / aggregated)
115 / 110
IPv4 Addresses
70 400
Largest IPv4 Prefix
/19 (8 192 addresses)
Largest IPv6 Prefix
/47
Geolocated Countries
🇺🇸 US (95 IPs), 🇬🇧 GB (2 IPs), 🇨🇦 CA (3 IPs), 🇿🇿 ZZ
Prefix Changed
March 05, 2026

Reputation

Reputation
Pristine — 0 flagged IPs out of 70 400 total (0.00%)

Connectivity Summary

Upstream Providers
2 upstream autonomous systems providing transit
Peers
0 autonomous systems exchanging traffic without transit fees
Downstream Customers
78 downstream autonomous systems buying transit
Degree
86 unique BGP neighbors (providers + customers + peers)
Reach
95 — customer cone size measuring network influence
Degree Rank
#1 899
Reach Rank
#1 099

Upstream Providers (2)

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

Prefix Lists

IPv4 Prefixes (103 total)

  • 9.142.0.0/19 (8 192 addresses)
  • 107.166.16.0/20 (4 096 addresses)
  • 107.166.96.0/20 (4 096 addresses)
  • 138.226.0.0/20 (4 096 addresses)
  • 138.226.88.0/21 (2 048 addresses)
  • 170.100.152.0/21 (2 048 addresses)
  • 170.100.192.0/21 (2 048 addresses)
  • 23.227.64.0/22 (1 024 addresses)
  • 23.227.92.0/22 (1 024 addresses)
  • 23.234.144.0/22 (1 024 addresses)
  • 23.234.152.0/22 (1 024 addresses)
  • 24.75.216.0/22 (1 024 addresses)
  • 45.58.212.0/22 (1 024 addresses)
  • 45.58.240.0/22 (1 024 addresses)
  • 45.58.252.0/22 (1 024 addresses)
  • 45.150.168.0/22 (1 024 addresses)
  • 45.151.196.0/22 (1 024 addresses)
  • 52.128.192.0/22 (1 024 addresses)
  • 52.128.204.0/22 (1 024 addresses)
  • 52.128.220.0/22 (1 024 addresses)
  • 64.52.28.0/22 (1 024 addresses)
  • 64.93.84.0/22 (1 024 addresses)
  • 64.112.8.0/22 (1 024 addresses)
  • 69.30.72.0/22 (1 024 addresses)
  • 95.164.224.0/22 (1 024 addresses)
  • 149.143.184.0/22 (1 024 addresses)
  • 170.100.128.0/22 (1 024 addresses)
  • 170.100.200.0/22 (1 024 addresses)
  • 185.188.192.0/22 (1 024 addresses)
  • 193.31.104.0/22 (1 024 addresses)
  • 195.138.124.0/22 (1 024 addresses)
  • 195.211.116.0/22 (1 024 addresses)
  • 198.145.132.0/22 (1 024 addresses)
  • 31.132.54.0/23 (512 addresses)
  • 45.58.210.0/23 (512 addresses)
  • 69.30.76.0/23 (512 addresses)
  • 69.91.150.0/23 (512 addresses)
  • 69.91.154.0/23 (512 addresses)
  • 69.91.158.0/23 (512 addresses)
  • 69.91.170.0/23 (512 addresses)
  • 69.91.178.0/23 (512 addresses)
  • 69.91.182.0/23 (512 addresses)
  • 158.62.214.0/23 (512 addresses)
  • 45.58.208.0/24 (256 addresses)
  • 45.58.245.0/24 (256 addresses)
  • 45.58.250.0/24 (256 addresses)
  • 45.248.54.0/24 (256 addresses)
  • 50.207.78.0/24 (256 addresses)
  • 50.223.132.0/24 (256 addresses)
  • 50.228.255.0/24 (256 addresses)

IPv6 Prefixes (115 total)

  • 2001:559:410::/47
  • 2001:559:452::/47
  • 2001:559:84fe::/47
  • 2001:559:86de::/47
  • 2001:559:c392::/47
  • 2001:559:45::/48
  • 2001:559:47::/48
  • 2001:559:126::/48
  • 2001:559:189::/48
  • 2001:559:1f9::/48
  • 2001:559:1fd::/48
  • 2001:559:24e::/48
  • 2001:559:260::/48
  • 2001:559:28f::/48
  • 2001:559:2d3::/48
  • 2001:559:359::/48
  • 2001:559:3a9::/48
  • 2001:559:40b::/48
  • 2001:559:40e::/48
  • 2001:559:44a::/48
  • 2001:559:45d::/48
  • 2001:559:466::/48
  • 2001:559:4a1::/48
  • 2001:559:505::/48
  • 2001:559:534::/48
  • 2001:559:551::/48
  • 2001:559:5fd::/48
  • 2001:559:705::/48
  • 2001:559:70c::/48
  • 2001:559:72a::/48
  • 2001:559:72d::/48
  • 2001:559:753::/48
  • 2001:559:75c::/48
  • 2001:559:76f::/48
  • 2001:559:785::/48
  • 2001:559:7ab::/48
  • 2001:559:7dc::/48
  • 2001:559:80a6::/48
  • 2001:559:80e3::/48
  • 2001:559:80f2::/48
  • 2001:559:8170::/48
  • 2001:559:8192::/48
  • 2001:559:831a::/48
  • 2001:559:833b::/48
  • 2001:559:833d::/48
  • 2001:559:8353::/48
  • 2001:559:8381::/48
  • 2001:559:8449::/48
  • 2001:559:8469::/48
  • 2001:559:8471::/48