Comcast Cable Communications, LLC
AS33666 is Comcast Cable Communications, LLC (comcast.com). It announces 768 IPv4 addresses in 3 prefixes, and 3 IPv6 prefixes.
United States· ARIN· allocated 2005-02-16· isp
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- United States768 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CMCS
- name
- Comcast Cable Communications, LLC
- org
- CCCS
- org name
- Comcast Cable Communications, LLC
- org address
- 1800 Bishops Gate Blvd, Mt Laurel, NJ, 08054
- org city
- Mt Laurel
- org country
- US
- country
- US
- source
- arin
- created
- 2005-02-16
- updated
- 2021-01-25
- abuse name
- Network Abuse and Policy Observance
- abuse email
- abuse@comcast.net
- abuse phone
- +1-888-565-4329
- abuse kind
- role
- abuse city
- Mount Laurel
- abuse country
- US
- admin name
- Comcast Cable Communications Inc
- admin email
- CNIPEO-Ip-registration@cable.comcast.com
- admin phone
- +1-856-792-2300
- admin kind
- role
- admin city
- Mount Laurel
- admin country
- US
- tech name
- Comcast Cable Communications Inc
- tech email
- CNIPEO-Ip-registration@cable.comcast.com
- tech phone
- +1-856-792-2300
- tech kind
- role
- tech city
- Mount Laurel
- tech country
- US
- abuse validated
- 1
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- watchguard0.26%
- None here
- None here
- None here
- None here
- None here
- Hosting IP25633.33%
- None here
- None here
- None here
- None here
- None here
- None here
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 66.170.177.0/24 | United States | not found | 16 | 2026-10-02 |
| 66.170.179.0/24 | United States | not found | 16 | 2026-10-02 |
| 199.120.255.0/24 | United States | not found | 16 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2001:559:195::/48 | United States | valid | 19 | 2026-10-02 |
| 2001:559:233::/48 | United States | valid | 19 | 2026-10-02 |
| 2001:559:c507::/48 | United States | valid | 19 | 2026-10-02 |
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