SUBNET.IM

AS15303First Trust Portfolios L.P.

United StatesRegistryARIN

At a glance

IPv4 prefixes

1

IPv6 prefixes

0

IPv4 addresses

256

IPv6 /64s

0

Upstream graph

The networks AS15303 is seen behind, one and two hops out, drawn from real AS paths.

AS15303Toward the internet core
Upstream graph for AS15303: 7 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS15303First Trust Portf…This networkAS701Verizon BusinessAS7018AT&T Enterprises,…AS33491Comcast Cable Com…AS1299Arelion (fka. Tel…AS2914NTT America, Inc.AS3356Lumen (Level 3)AS7922Comcast Cable Com…

Networks observed one and two hops upstream of AS15303 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
350%
Peers
350%
Downstreams
00%

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

Upstreams of AS15303
NetworkCountryRelationshipPathsVantage pts
AS7018AT&T Enterprises, LLCUSPeer6868
AS701Verizon BusinessUSPeer99
AS33491Comcast Cable Communications, LLCUSPeer22

Prefixes

The largest blocks AS15303 originates, widest first.

Largest prefixes originated by AS15303
PrefixAddressesVisibility
198.199.191.0/2425679/80

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