AS33490 Comcast (Portland/Spokane) 🇺🇸 US
Comcast Cable Communications, LLC. Announcing 82 prefixes, seen at the RIS collectors.
IPv4 prefixes
22
12,032 (47 × /24)
IPv6 prefixes
60
60 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
63
transit customers observed
Customer cone
64
ASes reachable through it
Registry and operator data
- AS number
- AS33490
- Name
- Comcast (Portland/Spokane)
- Organisation
- Comcast - Portland/Spokane
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2004-12-30
- Network type
- Cable/DSL/ISP
- Scope
- Regional
- Peering policy
- Restrictive
- PeeringDB
- net/10088
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
22 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 50.204.255.0/24 v4 | RPKI valid | 41 | 7018792233490 | 2026-09-18 |
| 50.206.113.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 50.228.52.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 50.228.76.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 50.232.199.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 50.236.220.0/24 v4 | RPKI valid | 41 | 7018792233490 | 2026-09-18 |
| 50.238.126.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 50.238.127.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 72.19.22.0/24 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 74.50.12.0/22 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 104.145.48.0/20 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 107.0.49.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 107.0.67.0/24 v4 | RPKI valid | 42 | 7018792233490 | 2026-09-18 |
| 129.134.133.0/24 v4 | no ROA | 43 | 7018792233490 | 2026-09-18 |
| 129.134.134.0/24 v4 | no ROA | 42 | 7018792233490 | 2026-09-18 |
| 192.83.221.0/24 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 199.244.171.0/24 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 199.244.172.0/24 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 204.76.179.0/24 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 204.76.180.0/23 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 216.122.120.0/22 v4 | no ROA | 44 | 37721335633490 | 2026-09-18 |
| 216.122.124.0/22 v4 | no ROA | 43 | 37721335633490 | 2026-09-18 |