SUBNET.IM

AS137538Caldawin Software Technology Company Limited

Macao SAR ChinaRegistryAPNIC

At a glance

IPv4 prefixes

3

IPv6 prefixes

1

IPv4 addresses

1k

IPv6 /64s

4.3B

Upstream graph

The networks AS137538 is seen behind, one and two hops out, drawn from real AS paths.

AS137538Toward the internet core
Upstream graph for AS137538: 3 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS137538Caldawin Software…This networkAS132407Verisk Nepal Pvt.…AS38008Aperture Science …AS209642Mejiro Network Li…

Networks observed one and two hops upstream of AS137538 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 AS137538
NetworkCountryRelationshipPathsVantage pts
AS132407Verisk Nepal Pvt. Ltd.NPPeer302142

Prefixes

The largest blocks AS137538 originates, widest first.

Largest prefixes originated by AS137538
PrefixAddressesVisibility
103.5.218.0/2351280/80
103.5.218.0/2425680/80
103.5.219.0/2425680/80
2400:aae0::/324.3B × /6462/62

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