ASN Lookup Tool
AS204536 tsfy

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS204536
Organisation
TSFY Ltd
Name
tsfy
Total IPv4 Addresses
1024
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#38,830 out of 76,955
Registry
Ripe
Registered Country
IE flag IE
Registered Country Name
Ireland
Registered Date
2018-02-21
Registration Last Change
2018-09-04
Receiving From

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

ASN
Organisation
US flagLevel 3 Parent, LLC
US flagGTT Communications Inc.
CH flagSwisscom (Schweiz) AG
DE flageuNetworks GmbH
US flagHurricane Electric LLC
Showing 5 of 9
IPv4 Active Prefixes

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

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.