AS21508 Comcast Cable Communications, LLC 🇺🇸 US
Announcing 77 prefixes, seen at the RIS collectors.
IPv4 prefixes
16
70,144 (274 × /24)
IPv6 prefixes
61
61 × /48
Upstreams
1
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
50
transit customers observed
Customer cone
19,997
ASes reachable through it
Registry and operator data
- AS number
- AS21508
- Name
- Comcast Cable Communications, LLC
- Organisation
- Comcast - Richmond
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-05-16
- Network type
- Cable/DSL/ISP
- Scope
- Regional
- Peering policy
- Restrictive
- PeeringDB
- net/10095
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Upstream graph
How this network reaches the rest of the internet, two hops out
Drawing the graph…
Only transit edges carried on more than fifty observed paths are drawn, so a large network's full neighbour list is deliberately not shown here.