SUBNET.IM

AS11821SmartBurst LLC

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

1.5k

IPv6 /64s

0

Upstream graph

The networks AS11821 is seen behind, one and two hops out, drawn from real AS paths.

AS11821Toward the internet core
Upstream graph for AS11821: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS11821SmartBurst LLCThis networkAS19754The Fusion Networ…AS1299Arelion (fka. Tel…AS6939Hurricane Electri…

Networks observed one and two hops upstream of AS11821 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

2

adjacent networks

Upstreams
150%
Peers
150%
Downstreams
00%

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

Upstreams of AS11821
NetworkCountryRelationshipPathsVantage pts
AS19754The Fusion Network, LLCUSPeer24080

Prefixes

The largest blocks AS11821 originates, widest first.

Largest prefixes originated by AS11821
PrefixAddressesVisibility
158.51.184.0/221k80/80
148.59.150.0/2425680/80
205.201.54.0/2425680/80

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