SUBNET.IM

AS40444Constant Contact, Inc

United StatesRegistryARIN

At a glance

IPv4 prefixes

6

IPv6 prefixes

0

IPv4 addresses

2.6k

IPv6 /64s

0

Upstream graph

The networks AS40444 is seen behind, one and two hops out, drawn from real AS paths.

AS40444Toward the internet core

Networks observed one and two hops upstream of AS40444 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

10

adjacent networks

Upstreams
550%
Peers
550%
Downstreams
00%

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

Upstreams of AS40444
NetworkCountryRelationshipPathsVantage pts
AS398427Markley Network Services, LLCUSPeer23779
AS6461Zayo BandwidthUSPeer8080
AS46887Zayo BandwidthUSPeer8080
AS33652Comcast Cable Communications, LLCUSPeer7777
AS3356Lumen (Level 3)USPeer33

Prefixes

The largest blocks AS40444 originates, widest first.

Largest prefixes originated by AS40444
PrefixAddressesVisibility
205.207.104.0/2351279/80
205.207.106.0/2351279/80
208.75.120.0/2351280/80
208.75.122.0/2351279/80
205.207.104.0/2425680/80
216.21.230.0/2425680/80

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