subnet.im

AS23200Charter Communications LLC

United StatesRegistryARIN

As of 10th November 2026, AS23200 (Charter Communications LLC), a network registered in the United States with ARIN, originates 1 IPv4 prefix covering 1k addresses and 1 IPv6 prefix. By IPv4 address space that makes it the 36,492nd-largest of the 80,733 networks we see originating IPv4, and the 8,241st-largest of 18,751 in the United States. It is seen behind 1 upstream network, most often AS33363 (Charter Communications, Inc), and in front of 1 downstream network. Every one of its announcements has a valid RPKI ROA, and none are RPKI-invalid. 100% of its routes reach at least 90% of full-feed peers.

At a glance

IPv4 prefixes

1

IPv6 prefixes

1

IPv4 addresses

1k

IPv6 /64s

16.8M

Upstream graph

The networks AS23200 is seen behind, one and two hops out, drawn from real AS paths.

AS23200Toward the internet core
Upstream graph for AS23200: 2 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS23200Charter Communica…This networkAS33363Charter Communica…AS7843Spectrum (Charter)

Networks observed one and two hops upstream of AS23200 in real AS paths. A thicker line means more vantage points saw that adjacency, so weight tracks how well attested it is — not how much traffic it carries. Adjacency is an observation; whether it is a transit purchase or a settlement-free peering is an inference, and is labelled as one wherever we show it.

Neighbouring networks

4

adjacent networks

Upstreams
125%
Peers
250%
Downstreams
125%

Networks carrying this one's traffic toward the rest of the internet.

Upstreams of AS23200
NetworkCountryRelationshipPathsVantage pts
AS33363Charter Communications, IncUSPeer213139

Prefixes

The largest blocks AS23200 originates, widest first.

Largest prefixes originated by AS23200
PrefixAddressesVisibility
159.56.144.0/221k76/76
2602:107:4b00::/4016.8M × /6463/63

Routing health

How AS23200's own announcements validate against RPKI and how far they propagate. The same measures for the whole routing table are on the routing table in numbers.

RPKI origin validation

  • Valid100.0%2
  • Invalid0.0%0
  • No ROA0.0%0

Propagation

  • Globally propagated90% of full-feed peers or more100.0%2
  • Partially propagated40% to 90%0.0%0
  • Seen by few peersUnder 40%0.0%0

Prefix sizes

IPv4 — 1 prefixes

IPv6 — 1 prefixes

  • /4016.8M × /64100.0%1

Recent changes

Announcements that started or stopped since 12th Oct 2026.

No announcement by AS23200 started or stopped in this period.

Routing data derived from RouteViews MRT archives, BGPKIT relationship inference and public registry data.