SUBNET.IM

AS19398Tenet HealthSystem Medical, Inc.

United StatesRegistryARIN

At a glance

IPv4 prefixes

12

IPv6 prefixes

0

IPv4 addresses

7.4k

IPv6 /64s

0

Upstream graph

The networks AS19398 is seen behind, one and two hops out, drawn from real AS paths.

AS19398Toward the internet core
Upstream graph for AS19398: 12 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS19398Tenet HealthSyste…This networkAS3257GTT Communication…AS3356Lumen (Level 3)AS6461Zayo BandwidthAS20001Charter Communica…AS46887Zayo BandwidthAS2497Internet Initiati…AS2914NTT America, Inc.AS3549Lumen (fka. Globa…AS6667Elisa OyjAS32590Valve CorporationAS7843Charter Communica…AS20115Charter Communica…

Networks observed one and two hops upstream of AS19398 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

13

adjacent networks

Upstreams
646%
Peers
754%
Downstreams
00%

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

Upstreams of AS19398
NetworkCountryRelationshipPathsVantage pts
AS6461Zayo BandwidthUSPeer28780
AS3356Lumen (Level 3)USPeer23736
AS46887Zayo BandwidthUSPeer18628
AS3257GTT Communications Inc.USPeer15934
AS20001Charter Communications IncUSPeer8380
AS1000LINK AMERICANUSPeer11

Prefixes

The largest blocks AS19398 originates, widest first.

Largest prefixes originated by AS19398
PrefixAddressesVisibility
155.139.24.0/221k79/80
155.139.104.0/221k79/80
155.139.108.0/221k80/80
172.85.72.0/221k79/80
155.139.92.0/2351279/80
155.139.108.0/2351280/80
155.139.110.0/2351280/80
155.139.116.0/2351279/80
199.5.30.0/2351280/80
155.139.39.0/2425679/80

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