Sign inMonitor a domain
AS33651

AS33651 is Comcast Cable Communications, LLC.

Last updated 3 Nov 2026 from DB-IP ASN Lite (2026-11-01) and RIR statistics (4 Nov 2026)

Short answer

AS33651 belongs to Comcast Cable Communications, LLC. DB-IP Lite attributes 82,176 IPv4 addresses in 89 ranges and 120 IPv6 ranges to it, all or nearly all of the IPv4 space in United States. The number is registered with ARIN in United States on 16 Feb 2005.

Facts for AS33651
Operator (DB-IP)Comcast Cable Communications, LLC
IPv4 addresses82,176
IPv4 ranges89
IPv6 ranges120
RegistryARIN
Registered16 Feb 2005
Registry countryUnited States (US)

Does it publish a geofeed?

We haven’t checked this network’s registry records for a geofeed yet. The Truth Check looks for one live for any address you test.

Shared addresses (CGNAT)

Comcast Cable Communications, LLC hasn’t been documented as using carrier-grade NAT in a source we could check. To see whether your own connection is behind it, compare your router’s address on the CGNAT check.

IPv6

DB-IP lists 120 IPv6 ranges for AS33651, so customers can get IPv6 addresses, which databases place separately from IPv4.

Where its IPv4 space is used, according to DB-IP

US99%
GT0.31%
EC0.31%
MC0.31%
DE0.31%

Share of the network’s IPv4 addresses by DB-IP Country Lite. IP Geolocation by DB-IP.

IP ranges

RangeAs CIDRAddresses
5.182.186.0 – 5.182.186.2555.182.186.0/24256
5.182.193.0 – 5.182.195.2555.182.193.0/24, 5.182.194.0/23768
9.142.48.0 – 9.142.63.2559.142.48.0/204,096
9.142.96.0 – 9.142.127.2559.142.96.0/198,192
16.5.8.0 – 16.5.9.25516.5.8.0/23512
23.230.200.0 – 23.230.207.25523.230.200.0/212,048
24.104.72.0 – 24.104.73.25524.104.72.0/23512
24.104.138.0 – 24.104.139.25524.104.138.0/23512
24.104.150.0 – 24.104.150.25524.104.150.0/24256
36.255.215.0 – 36.255.215.25536.255.215.0/24256
40.27.174.0 – 40.27.175.25540.27.174.0/23512
45.67.141.0 – 45.67.141.25545.67.141.0/24256
50.145.55.0 – 50.145.55.25550.145.55.0/24256
50.200.170.0 – 50.200.170.25550.200.170.0/24256
50.201.8.0 – 50.201.9.25550.201.8.0/23512
50.201.171.0 – 50.201.171.25550.201.171.0/24256
50.204.119.0 – 50.204.119.25550.204.119.0/24256
50.204.137.0 – 50.204.137.25550.204.137.0/24256
50.205.226.0 – 50.205.226.25550.205.226.0/24256
50.206.118.0 – 50.206.118.25550.206.118.0/24256
50.206.120.0 – 50.206.121.25550.206.120.0/23512
50.206.219.0 – 50.206.219.25550.206.219.0/24256
50.207.182.0 – 50.207.182.25550.207.182.0/24256
50.207.190.0 – 50.207.190.25550.207.190.0/24256
50.207.216.0 – 50.207.216.25550.207.216.0/24256
50.216.23.0 – 50.216.23.25550.216.23.0/24256
50.216.212.0 – 50.216.212.25550.216.212.0/24256
50.218.46.0 – 50.218.46.25550.218.46.0/24256
50.219.139.0 – 50.219.139.25550.219.139.0/24256
50.222.26.0 – 50.222.26.25550.222.26.0/24256
50.222.50.0 – 50.222.50.25550.222.50.0/24256
50.224.7.0 – 50.224.7.25550.224.7.0/24256
50.227.120.0 – 50.227.120.25550.227.120.0/24256
50.227.186.0 – 50.227.186.25550.227.186.0/24256
50.228.130.0 – 50.228.130.25550.228.130.0/24256
50.229.212.0 – 50.229.212.25550.229.212.0/24256
50.230.66.0 – 50.230.66.25550.230.66.0/24256
50.231.143.0 – 50.231.143.25550.231.143.0/24256
50.232.196.0 – 50.232.196.25550.232.196.0/24256
50.233.45.0 – 50.233.45.25550.233.45.0/24256
50.234.130.0 – 50.234.130.25550.234.130.0/24256
50.235.20.0 – 50.235.21.25550.235.20.0/23512
50.235.233.0 – 50.235.233.25550.235.233.0/24256
50.236.66.0 – 50.236.66.25550.236.66.0/24256
50.239.184.0 – 50.239.184.25550.239.184.0/24256
63.246.148.0 – 63.246.148.25563.246.148.0/24256
63.246.152.0 – 63.246.152.25563.246.152.0/24256
63.246.159.0 – 63.246.159.25563.246.159.0/24256
64.84.96.0 – 64.84.103.25564.84.96.0/212,048
64.84.120.0 – 64.84.127.25564.84.120.0/212,048
2001:559:e:: – 2001:559:e:ffff:ffff:ffff:ffff:ffff2001:559:e::/48IPv6
2001:559:6e:: – 2001:559:6e:ffff:ffff:ffff:ffff:ffff2001:559:6e::/48IPv6
2001:559:c1:: – 2001:559:c1:ffff:ffff:ffff:ffff:ffff2001:559:c1::/48IPv6
2001:559:f3:: – 2001:559:f3:ffff:ffff:ffff:ffff:ffff2001:559:f3::/48IPv6
2001:559:197:: – 2001:559:197:ffff:ffff:ffff:ffff:ffff2001:559:197::/48IPv6
2001:559:1ed:: – 2001:559:1ed:ffff:ffff:ffff:ffff:ffff2001:559:1ed::/48IPv6
2001:559:20e:: – 2001:559:20e:ffff:ffff:ffff:ffff:ffff2001:559:20e::/48IPv6
2001:559:21a:: – 2001:559:21a:ffff:ffff:ffff:ffff:ffff2001:559:21a::/48IPv6
2001:559:24f:: – 2001:559:24f:ffff:ffff:ffff:ffff:ffff2001:559:24f::/48IPv6
2001:559:259:: – 2001:559:259:ffff:ffff:ffff:ffff:ffff2001:559:259::/48IPv6
2001:559:262:: – 2001:559:262:ffff:ffff:ffff:ffff:ffff2001:559:262::/48IPv6
2001:559:295:: – 2001:559:295:ffff:ffff:ffff:ffff:ffff2001:559:295::/48IPv6
2001:559:2ac:: – 2001:559:2ac:ffff:ffff:ffff:ffff:ffff2001:559:2ac::/48IPv6
2001:559:2dd:: – 2001:559:2dd:ffff:ffff:ffff:ffff:ffff2001:559:2dd::/48IPv6
2001:559:2e6:: – 2001:559:2e6:ffff:ffff:ffff:ffff:ffff2001:559:2e6::/48IPv6
2001:559:305:: – 2001:559:305:ffff:ffff:ffff:ffff:ffff2001:559:305::/48IPv6
2001:559:329:: – 2001:559:329:ffff:ffff:ffff:ffff:ffff2001:559:329::/48IPv6
2001:559:35b:: – 2001:559:35b:ffff:ffff:ffff:ffff:ffff2001:559:35b::/48IPv6
2001:559:37e:: – 2001:559:37e:ffff:ffff:ffff:ffff:ffff2001:559:37e::/48IPv6
2001:559:457:: – 2001:559:457:ffff:ffff:ffff:ffff:ffff2001:559:457::/48IPv6
Showing 50 of 89 IPv4 and 20 of 120 IPv6 ranges All ranges (CSV)

IP Geolocation by DB-IP, ASN Lite, CC BY 4.0.

Using an address from this network? See which sources agree on where it is.

Sources

  1. DB-IP IP to ASN Lite (CC BY 4.0) · checked 3 Nov 2026
  2. NRO RIR delegated-extended statistics · checked 5 Nov 2026