SUBNET.IM

AS18839Fisher Scientific

United StatesRegistryARIN

At a glance

IPv4 prefixes

0

IPv6 prefixes

0

IPv4 addresses

Unknown

IPv6 /64s

Unknown

Upstream graph

The networks AS18839 is seen behind, one and two hops out, drawn from real AS paths.

AS18839Toward the internet core
Upstream graph for AS18839: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS18839Fisher ScientificThis networkAS46887Zayo BandwidthAS3356Lumen (Level 3)AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS18839 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
125%
Peers
250%
Downstreams
125%

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

Upstreams of AS18839
NetworkCountryRelationshipPathsVantage pts
AS46887Zayo BandwidthUSPeer21180

Prefixes

The largest blocks AS18839 originates, widest first.

AS18839 does not originate any prefix visible from our collectors. Transit-only and unused ASNs both look like this.

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