SUBNET.IM

AS21806National Fuel Gas Distribution Corporation

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

768

IPv6 /64s

0

Upstream graph

The networks AS21806 is seen behind, one and two hops out, drawn from real AS paths.

AS21806Toward the internet core
Upstream graph for AS21806: 6 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21806National Fuel Gas…This networkAS11351Charter Communica…AS46887Zayo BandwidthAS7828Northland Communi…AS7843Charter Communica…AS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS21806 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
250%
Peers
250%
Downstreams
00%

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

Upstreams of AS21806
NetworkCountryRelationshipPathsVantage pts
AS46887Zayo BandwidthUSPeer13680
AS11351Charter Communications IncUSPeer10474

Prefixes

The largest blocks AS21806 originates, widest first.

Largest prefixes originated by AS21806
PrefixAddressesVisibility
205.235.160.0/2425680/80
205.235.173.0/2425680/80
205.235.175.0/2425680/80

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