SUBNET.IM

AS21778Dimension Data North America, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

11

IPv6 prefixes

1

IPv4 addresses

1.7k

IPv6 /64s

65.5k

Upstream graph

The networks AS21778 is seen behind, one and two hops out, drawn from real AS paths.

AS21778Toward the internet core
Upstream graph for AS21778: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS21778Dimension Data No…This networkAS2914NTT America, Inc.AS16552Tiggee LLCAS49544i3D.net B.V

Networks observed one and two hops upstream of AS21778 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 AS21778
NetworkCountryRelationshipPathsVantage pts
AS2914NTT America, Inc.USPeer498142

Prefixes

The largest blocks AS21778 originates, widest first.

Largest prefixes originated by AS21778
PrefixAddressesVisibility
204.2.200.0/2351280/80
128.241.34.0/2425680/80
129.250.40.0/2425680/80
129.250.161.0/2425680/80
204.56.94.0/2425680/80
129.250.161.128/27326/80
165.254.21.160/27326/80
165.254.119.64/27326/80
204.0.1.192/27326/80
204.2.193.16/2986/80

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