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ASN Lookup Tool
AS204007 Kleissner

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS204007
Organisation
Kleissner Investments s.r.o.
Name
Kleissner
Total IPv4 Addresses
1024
Total IPv4 Prefixes
4
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#39,552 out of 77,433
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2018-04-11
Registration Last Change
2020-05-09
Receiving From

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

ASN
Organisation
AS3223
GB flagVoxility LLP
AS39392
CZ flagSH.cz s.r.o.
IPv4 Active Prefixes

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

Prefix185.185.216.0/24
Range From185.185.216.0
Range To185.185.216.255
Prefix185.185.217.0/24
Range From185.185.217.0
Range To185.185.217.255
Prefix185.185.218.0/24
Range From185.185.218.0
Range To185.185.218.255
Prefix185.185.219.0/24
Range From185.185.219.0
Range To185.185.219.255
IPv6 Active Prefixes
Prefix2a0b:6580::/29
Range From2a0b:6580::
Range To2a0b:6587:ffff:ffff:ffff:ffff:ffff:ffff
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.