SUBNET.IM

AS13998University of Texas Southwestern Medical Center

United StatesRegistryARIN

At a glance

IPv4 prefixes

13

IPv6 prefixes

1

IPv4 addresses

86k

IPv6 /64s

65.5k

Upstream graph

The networks AS13998 is seen behind, one and two hops out, drawn from real AS paths.

AS13998Toward the internet core
Upstream graph for AS13998: 8 neighbouring networks observed beyond it across 2 levels. The same networks are listed in the tables below.AS13998University of Tex…This networkAS276University of Tex…AS6922Texas Department …AS7018AT&T Enterprises,…AS14085LEARNAS16905LEARNAS3356Lumen (Level 3)AS1299Arelion (fka. Tel…AS2914NTT America, Inc.

Networks observed one and two hops upstream of AS13998 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 AS13998
NetworkCountryRelationshipPathsVantage pts
AS6922Texas Department of Information ResourcesUSPeer1,063139
AS276University of Texas SystemUSPeer262
AS7018AT&T Enterprises, LLCUSPeer122

Prefixes

The largest blocks AS13998 originates, widest first.

Largest prefixes originated by AS13998
PrefixAddressesVisibility
129.112.0.0/1665.5k80/80
198.215.48.0/204.1k80/80
198.215.96.0/204.1k80/80
198.215.176.0/204.1k80/80
198.241.16.0/204.1k80/80
198.215.36.0/221k80/80
199.242.236.0/221k80/80
199.165.152.0/2351280/80
199.242.234.0/2351280/80
129.112.109.0/2425680/80

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