AS33667 Comcast Cable Communications, LLC 🇺🇸 US
Announcing 114 prefixes, seen at the RIS collectors.
IPv4 prefixes
56
61,440 (240 × /24)
IPv6 prefixes
58
8 × /32
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
140
transit customers observed
Customer cone
19,763
ASes reachable through it
Registry and operator data
- AS number
- AS33667
- Name
- Comcast Cable Communications, LLC
- Organisation
- Comcast - Central California
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2005-02-16
- Network type
- Cable/DSL/ISP
- Scope
- Regional
- Peering policy
- Restrictive
- PeeringDB
- net/10089
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
114 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 5.182.186.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 5.182.193.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 5.182.194.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 5.182.195.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 9.142.48.0/20 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 9.142.96.0/19 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 16.5.8.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 23.230.200.0/21 v4 | RPKI valid | 14 | 37721335633667 | 2026-10-02 |
| 36.255.215.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 40.27.174.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 45.67.141.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 50.203.5.0/24 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 50.203.201.0/24 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 50.207.246.0/24 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 50.222.62.0/24 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 50.236.209.0/24 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 50.239.185.0/24 v4 | RPKI valid | 40 | 7018792233667 | 2026-09-18 |
| 63.246.148.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 63.246.152.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 63.246.159.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 71.19.136.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 71.19.137.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 71.19.138.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 71.19.139.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 74.1.24.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 78.31.206.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 100.42.16.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-10-02 |
| 103.111.63.0/24 v4 | RPKI valid | 43 | 37721335633667 | 2026-09-18 |
| 103.216.197.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 104.247.212.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 107.0.64.0/23 v4 | RPKI valid | 41 | 7018792233667 | 2026-09-18 |
| 107.158.6.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 107.158.7.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 107.158.164.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 107.158.165.0/24 v4 | RPKI valid | 14 | 37721335633667 | 2026-09-18 |
| 135.132.64.0/19 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 138.226.48.0/21 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 138.226.64.0/20 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 138.226.112.0/21 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 139.181.26.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 140.89.64.0/18 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 157.240.151.0/24 v4 | no ROA | 42 | 7018792233667 | 2026-09-18 |
| 157.240.152.0/24 v4 | no ROA | 42 | 7018792233667 | 2026-09-18 |
| 162.218.64.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-10-02 |
| 162.218.89.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 169.230.76.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 169.230.77.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 185.22.43.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 185.201.41.0/24 v4 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 185.201.43.0/24 v4 | RPKI valid | 35 | 37721335633667 | 2026-09-18 |
| 192.70.238.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 192.189.161.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 192.206.19.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-18 |
| 198.202.219.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-23 |
| 204.145.245.0/24 v4 | no ROA | 14 | 37721335633667 | 2026-09-23 |
| 209.222.242.0/23 v4 | RPKI valid | 14 | 37721335633667 | 2026-10-02 |
| 2001:559:8b::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8c::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:123::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:13c::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:1b1::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:249::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:2c1::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:32d::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:47c::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:492::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:5a2::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:5de::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:712::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:75a::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:7cb::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8091::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-21 |
| 2001:559:80a8::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8167::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8202::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:82f6::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:83e1::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8439::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:845d::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8492::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-25 |
| 2001:559:859a::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:85d8::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:860f::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8610::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:86a7::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:86ec::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-21 |
| 2001:559:8763::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:8784::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:87c8::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c024::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c107::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c117::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-21 |
| 2001:559:c144::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c203::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c219::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c222::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c294::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c36d::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c37b::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c395::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c39a::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c3fd::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c46c::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c475::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2001:559:c4d5::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-21 |
| 2001:559:c551::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2620:10a:6000::/44 v6 | no ROA | 12 | 37721335633667 | 2026-09-18 |
| 2a03:2887:ff31::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2a03:2887:ff32::/48 v6 | RPKI valid | 32 | 852792233667 | 2026-09-18 |
| 2a0c:1900::/29 v6 | RPKI valid | 32 | 37721335633667 | 2026-09-18 |
| 2a0c:1902:a7b3::/48 v6 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 2a0c:1904:3f82::/48 v6 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 2a0c:1905:c491::/48 v6 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |
| 2a0c:1907:6d2e::/48 v6 | RPKI valid | 34 | 37721335633667 | 2026-09-18 |