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ASN Lookup Tool
AS399738 TNS-TSYS-01

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS399738
Organisation
Transaction Network Services, Inc.
Name
TNS-TSYS-01
Total IPv4 Addresses
256
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#75,710 out of 77,684
Registry
Arin
Registered Country
US flag US
Registered Country Name
United States of America (the)
Registered Date
2021-06-03
Registration Last Change
2021-06-03
Receiving From

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

ASN
Organisation
AS701
US flagVerizon Business
AS174
US flagCogent Communications
IPv4 Active Prefixes

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

Prefix204.6.163.0/24
Range From204.6.163.0
Range To204.6.163.255
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.