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ASN Lookup Tool
AS3900 TEXASNET-ASN

Powered By:
ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS3900
Organisation
SWITCH, LTD
Name
TEXASNET-ASN
Total IPv4 Addresses
105472
Total IPv4 Prefixes
172
Total IPv6 Prefixes
50
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,905 out of 77,324
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2000-08-23
Registration Last Change
2021-11-18
Receiving From

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

ASN
Organisation
AS701
US flagVerizon Business
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS6461
US flagZayo Bandwidth
AS1299
SE flagArelion Sweden AB
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS23005
US flagSWITCH, LTD
AS30063
US flagSWITCH, LTD
AS53293
US flagSamsung Austin Semiconductor LLC
AS16511
US flagIT Freedom LLC
AS397110
US flagMarathon Oil Company
IPv4 Active Prefixes

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

Prefix64.9.128.0/24
Range From64.9.128.0
Range To64.9.128.255
Prefix64.9.129.0/24
Range From64.9.129.0
Range To64.9.129.255
Prefix64.9.130.0/23
Range From64.9.130.0
Range To64.9.131.255
Prefix64.9.132.0/24
Range From64.9.132.0
Range To64.9.132.255
Prefix64.9.133.0/24
Range From64.9.133.0
Range To64.9.133.255
Showing 5 of 172
IPv6 Active Prefixes
Prefix2607:ff60::/47
Range From2607:ff60::
Range To2607:ff60:1:ffff:ffff:ffff:ffff:ffff
Prefix2607:ff60:2::/48
Range From2607:ff60:2::
Range To2607:ff60:2:ffff:ffff:ffff:ffff:ffff
Prefix2607:ff60:3::/48
Range From2607:ff60:3::
Range To2607:ff60:3:ffff:ffff:ffff:ffff:ffff
Prefix2607:ff60:4::/47
Range From2607:ff60:4::
Range To2607:ff60:5:ffff:ffff:ffff:ffff:ffff
Prefix2607:ff60:6::/48
Range From2607:ff60:6::
Range To2607:ff60:6:ffff:ffff:ffff:ffff:ffff
Showing 5 of 50
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.