SUBNET.IM

AS40399Masergy Cloud Communications, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

7

IPv6 prefixes

0

IPv4 addresses

1.8k

IPv6 /64s

0

Upstream graph

The networks AS40399 is seen behind, one and two hops out, drawn from real AS paths.

AS40399Toward the internet core
Upstream graph for AS40399: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS40399Masergy Cloud Com…This networkAS19855Masergy Communica…AS3356Lumen (Level 3)AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS40399 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 AS40399
NetworkCountryRelationshipPathsVantage pts
AS19855Masergy Communications, Inc.USPeer55480

Prefixes

The largest blocks AS40399 originates, widest first.

Largest prefixes originated by AS40399
PrefixAddressesVisibility
208.75.8.0/2425679/80
208.75.9.0/2425679/80
208.75.11.0/2425679/80
208.75.12.0/2425679/80
208.75.13.0/2425679/80
208.75.14.0/2425680/80
208.75.15.0/2425679/80

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