AS23411 — -Reserved AS-

AS23411 announces 1 IPv4 prefixes covering 256 addresses and 0 IPv6 prefixes.

About this network

The AS handle is -Reserved AS- and the holder is Comcast Cable Communications, LLC.

What it's used for

• The space carries cable customer infrastructure, evidenced by the netname CCCH3-4 and registrant Comcast Cable Communications, LLC.
• The inventory consists of 256 IPv4 addresses within a single prefix, 50.203.163.0/24, with 0 IPv6 prefixes announced.
• With 1 observed neighbour, the routing footprint is minimal, consistent with a small, isolated segment of a larger cable network rather than a transit provider.

Notable

• The registrant Comcast Cable Communications, LLC aligns with the expected identity of the operator for this address space.
• The address inventory is a single /24 block, representing a small, specific allocation within the broader Comcast estate.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 50.203.163.0/24

Upstream networks

• AS33667 Comcast Cable Communications, LLC

Adjacent networks

• AS33667 Comcast Cable Communications, LLC

Routing security

• RPKI: 1 valid, 0 invalid and 0 not-found announcements; 1 ROAs.
• ASPA: none published.
• IRR: 100% of announcements registered; 14 route objects.
• Listed in as-sets: AS-COMCAST-EDIA, AS-PNAPNYC.