SUBNET.IM

AS3949NTT America, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

78

IPv6 prefixes

1

IPv4 addresses

34.6k

IPv6 /64s

65.5k

Upstream graph

The networks AS3949 is seen behind, one and two hops out, drawn from real AS paths.

AS3949Toward the internet core
Upstream graph for AS3949: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS3949NTT America, Inc.This networkAS2914NTT America, Inc.AS16552Tiggee LLCAS49544i3D.net B.V

Networks observed one and two hops upstream of AS3949 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 AS3949
NetworkCountryRelationshipPathsVantage pts
AS2914NTT America, Inc.USPeer5,565142

Prefixes

All 79

The largest blocks AS3949 originates, widest first.

Largest prefixes originated by AS3949
PrefixAddressesVisibility
205.132.16.0/212k79/80
91.123.68.0/221k79/80
91.123.72.0/221k79/80
128.121.0.0/221k79/80
128.241.36.0/221k79/80
128.241.84.0/221k79/80
128.242.88.0/221k79/80
130.94.196.0/221k79/80
130.94.240.0/221k79/80
140.174.96.0/221k79/80

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