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ASN Lookup Tool
AS21430 WIA-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS21430
Organisation
WIA spol. s.r.o.
Name
WIA-AS
Total IPv4 Addresses
39772
Total IPv4 Prefixes
64
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#4,583 out of 77,426
Registry
Ripe
Registered Country
CZ flag CZ
Registered Country Name
Czechia
Registered Date
2001-12-07
Registration Last Change
2023-06-21
Receiving From

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

ASN
Organisation
AS20562
NL flagBroadband Hosting B.V.
AS174
US flagCogent Communications
AS6461
US flagZayo Bandwidth
AS3491
US flagPCCW Global, Inc.
AS6939
US flagHurricane Electric LLC
Showing 5 of 15
Transit To

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

 

ASN
Organisation
AS15614
CZ flagDragon Internet a.s.
AS33943
CZ flagCesky Bezdrat, s.r.o.
AS42189
CZ flagDruzstvo EUROSIGNAL
AS204949
CZ flagCMIS s.r.o.
AS48451
CZ flagPrazska energetika, a.s.
Showing 5 of 8
IPv4 Active Prefixes

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

Prefix31.7.240.0/21
Range From31.7.240.0
Range To31.7.247.255
Prefix77.78.64.0/22
Range From77.78.64.0
Range To77.78.67.255
Prefix77.78.68.0/23
Range From77.78.68.0
Range To77.78.69.255
Prefix77.78.74.0/23
Range From77.78.74.0
Range To77.78.75.255
Prefix77.78.80.0/21
Range From77.78.80.0
Range To77.78.87.255
Showing 5 of 64
IPv6 Active Prefixes
Prefix2001:67c:1590::/48
Range From2001:67c:1590::
Range To2001:67c:1590:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:15a0::/48
Range From2001:67c:15a0::
Range To2001:67c:15a0:ffff:ffff:ffff:ffff:ffff
Prefix2001:67c:15a1::/48
Range From2001:67c:15a1::
Range To2001:67c:15a1:ffff:ffff:ffff:ffff:ffff
Prefix2a01:6400::/32
Range From2a01:6400::
Range To2a01:6400: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.