SUBNET.IM

AS18663University of the Pacific

United StatesRegistryARIN

At a glance

IPv4 prefixes

3

IPv6 prefixes

0

IPv4 addresses

33.8k

IPv6 /64s

0

Upstream graph

The networks AS18663 is seen behind, one and two hops out, drawn from real AS paths.

AS18663Toward the internet core
Upstream graph for AS18663: 9 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS18663University of the…This networkAS3356Lumen (Level 3)AS16504Granite Telecommu…AS33651Comcast Cable Com…AS33667Comcast Cable Com…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS174Cogent Communicat…AS3257GTT Communication…AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS18663 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

8

adjacent networks

Upstreams
450%
Peers
450%
Downstreams
00%

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

Upstreams of AS18663
NetworkCountryRelationshipPathsVantage pts
AS3356Lumen (Level 3)USPeer14875
AS16504Granite Telecommunications LLCUSPeer7979
AS33651Comcast Cable Communications, LLCUSPeer66
AS33667Comcast Cable Communications, LLCUSPeer44

Prefixes

The largest blocks AS18663 originates, widest first.

Largest prefixes originated by AS18663
PrefixAddressesVisibility
138.9.0.0/1732.8k79/80
138.9.2.0/2351279/80
138.9.4.0/2351279/80

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