AS13998 University of Texas Southwestern Medical Center 🇺🇸 US

Announcing 14 prefixes, seen at the RIS collectors.

IPv4 prefixes
13
86,016 (336 × /24)
IPv6 prefixes
1
1 × /48
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it

Registry and operator data

AS number
AS13998
Name
University of Texas Southwestern Medical Center
Organisation
University of Texas Southwestern Medical Center
Country
🇺🇸 US
RIR
ARIN
Allocated
1999-10-01

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

4 valid (28.6%) 0 invalid (0.0%) 10 no ROA (71.4%)

Upstreams

Networks seen providing transit to this one

Network Country Cone IPv4 prefixes Paths Source
AS7018 AT&T Enterprises, LLC 🇺🇸 US 23,624 627 11 CAIDA
AS6922 Texas Department of Information Resources 🇺🇸 US 32 88 576 CAIDA
AS276 University of Texas System 🇺🇸 US 19 1 13 CAIDA

Peers

Adjacencies that look settlement-free rather than transit

No peers observed at the collectors.

Downstreams

Networks this one appears to provide transit to

No downstreams observed at the collectors.

Relationships marked inferred come from where the two networks sit on the AS paths the collectors see, which is a guess and is wrong for some of them. The rest are stated by CAIDA's published inference over a much wider set of collectors.