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ASN Lookup Tool
AS39790 WEB4U

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS39790
Organisation
Web4U s.r.o.
Name
WEB4U
Total IPv4 Addresses
5,120
Total IPv4 Prefixes
4
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13,946 out of 79,035
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2006-04-25
Registration Last Change
2025-02-14
Receiving From
ASN
Organisation
AS6939
US flagHurricane Electric LLC
AS32590
US flagValve Corporation
AS25248
CZ flagRADIOKOMUNIKACE a.s.
AS49544
NL flagi3D.net B.V
AS14840
BR flagBR.Digital Provider
Showing 5 of 13
IPv4 Active Prefixes
PrefixRange FromRange To
81.91.80.0/2181.91.80.081.91.87.255
81.91.88.0/2181.91.88.081.91.95.255
185.14.224.0/23185.14.224.0185.14.225.255
185.14.226.0/23185.14.226.0185.14.227.255
IPv6 Active Prefixes
PrefixRange FromRange To
2001:1568::/332001:1568::2001:1568:7fff:ffff:ffff:ffff:ffff:ffff
2001:1568:8000::/332001:1568:8000::2001:1568:ffff:ffff:ffff:ffff:ffff:ffff