SUBNET.IM

AS30387National Institutes of Health

United StatesRegistryARIN

At a glance

IPv4 prefixes

12

IPv6 prefixes

0

IPv4 addresses

13.3k

IPv6 /64s

0

Upstream graph

The networks AS30387 is seen behind, one and two hops out, drawn from real AS paths.

AS30387Toward the internet core
Upstream graph for AS30387: 2 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS30387National Institut…This networkAS19050U.S. Department o…AS15029U.S. Department o…

Networks observed one and two hops upstream of AS30387 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 AS30387
NetworkCountryRelationshipPathsVantage pts
AS19050U.S. Department of Health & Human ServicesUSPeer95080

Prefixes

The largest blocks AS30387 originates, widest first.

Largest prefixes originated by AS30387
PrefixAddressesVisibility
165.112.0.0/204.1k77/80
165.112.0.0/212k77/80
165.112.136.0/212k78/80
165.112.32.0/221k80/80
165.112.200.0/221k80/80
156.40.98.0/2351279/80
165.112.124.0/2351280/80
165.112.194.0/2351279/80
165.112.200.0/2351280/80
165.112.252.0/2351280/80

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