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ASN Lookup Tool
AS13998 SWMED

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS13998
Organisation
University of Texas Southwestern Medical Center
Name
SWMED
Total IPv4 Addresses
85,504
Total IPv4 Prefixes
23
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,180 out of 79,026
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
1999-10-01
Registration Last Change
2013-01-29
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS7018
US flagAT&T Enterprises, LLC
AS6922
US flagTexas Department of Information Resources
AS276
US flagUniversity of Texas System
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix129.112.0.0/18
Range From129.112.0.0
Range To129.112.63.255
Prefix129.112.64.0/19
Range From129.112.64.0
Range To129.112.95.255
Prefix129.112.96.0/21
Range From129.112.96.0
Range To129.112.103.255
Prefix129.112.104.0/22
Range From129.112.104.0
Range To129.112.107.255
Prefix129.112.108.0/24
Range From129.112.108.0
Range To129.112.108.255
Showing 5 of 23
IPv6 Active Prefixes
Prefix2620:0:840::/48
Range From2620:0:840::
Range To2620:0:840:ffff:ffff:ffff:ffff:ffff