SUBNET.IM

AS203939Mosaic Data Services, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

2

IPv4 addresses

1.8k

IPv6 /64s

34.6B

Upstream graph

The networks AS203939 is seen behind, one and two hops out, drawn from real AS paths.

AS203939Toward the internet core
Upstream graph for AS203939: 5 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS203939Mosaic Data Servi…This networkAS6515DACS-IXAS7784Atlantech Online,…AS174Cogent Communicat…AS6939Hurricane Electri…AS6461Zayo Bandwidth

Networks observed one and two hops upstream of AS203939 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

6

adjacent networks

Upstreams
233%
Peers
350%
Downstreams
117%

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

Upstreams of AS203939
NetworkCountryRelationshipPathsVantage pts
AS7784Atlantech Online, Inc.USPeer19780
AS6515DACS-IXUSPeer197102

Prefixes

The largest blocks AS203939 originates, widest first.

Largest prefixes originated by AS203939
PrefixAddressesVisibility
185.125.184.0/221k80/80
185.204.14.0/2351280/80
23.136.116.0/2425680/80
2a06:bc40::/2934.4B × /6462/62
2602:f6a7::/36268M × /6462/62

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