AS33657 Comcast Cable Communications, LLC 🇺🇸 US
Announcing 267 prefixes, seen at the RIS collectors.
IPv4 prefixes
27
11,008 (43 × /24)
IPv6 prefixes
240
240 × /48
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
126
transit customers observed
Customer cone
144
ASes reachable through it
Registry and operator data
- AS number
- AS33657
- Name
- Comcast Cable Communications, LLC
- Organisation
- Comcast - Baltimore and D.C.
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2005-02-16
- Network type
- Cable/DSL/ISP
- Scope
- Regional
- Peering policy
- Restrictive
- PeeringDB
- net/10082
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
27 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 50.201.252.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.202.117.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.202.155.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.203.251.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.204.116.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.204.128.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.205.74.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.207.162.0/24 v4 | RPKI valid | 41 | 7018792233657 | 2026-09-18 |
| 50.216.214.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.219.87.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.223.158.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.223.159.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.224.212.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.232.109.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.232.173.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.232.184.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.235.98.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.235.236.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.236.38.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.236.234.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 50.238.163.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 69.67.80.0/20 v4 | no ROA | 44 | 37721335633657 | 2026-09-18 |
| 76.78.2.0/24 v4 | no ROA | 44 | 37721335633657 | 2026-09-18 |
| 107.1.101.0/24 v4 | RPKI valid | 42 | 7018792233657 | 2026-09-18 |
| 192.110.220.0/23 v4 | no ROA | 44 | 37721335633657 | 2026-09-18 |
| 192.189.235.0/24 v4 | no ROA | 44 | 37721335633657 | 2026-09-18 |
| 208.87.105.0/24 v4 | no ROA | 44 | 37721335633657 | 2026-09-18 |