AS19157 — CHARTER-19157-DC

AS19157 announces 5 IPv4 prefixes covering 4,352 addresses and 0 IPv6 prefixes.

About this network

The AS handle CHARTER-19157-DC is operated by Charter Communications LLC.

What it's used for

• The address space carries infrastructure endpoints for the Spectrum brand, evidenced by reverse DNS records such as syn-023-086-018-000.inf.spectrum.com and netnames like CHARTER-NET-BHN1.
• The AS announces 4352 IPv4 addresses across 5 prefixes while maintaining only 3 observed neighbours, a ratio indicative of an access or eyeball network rather than a transit provider.

Notable

• All registrants for the announced prefixes are Charter Communications LLC, matching the AS holder.
• The inventory consists of five IPv4 prefixes with no IPv6 prefixes in the inventory, including blocks in the 23.86.0.0/16 and 47.42.0.0/16 ranges.

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

Announced prefixes

• 23.86.14.0/23
• 23.86.16.0/21
• 23.86.25.0/24
• 23.86.28.0/22
• 47.42.246.0/23

Upstream networks

• AS20115 Charter Communications LLC
• AS11427 Charter Communications Inc
• AS11426 Charter Communications Inc

Adjacent networks

• AS20115 Charter Communications LLC
• AS11427 Charter Communications Inc
• AS11426 Charter Communications Inc