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ASN Lookup Tool
AS44143 A1SERBIA-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS44143
Organisation
A1 Srbija d.o.o
Name
A1SERBIA-AS
Total IPv4 Addresses
20,480
Total IPv4 Prefixes
14
Total IPv6 Prefixes
4
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,270 out of 79,305
Registry
Ripe
Registered Country
RS flagRS
Registered Country Name
Serbia
Registered Date
2007-11-23
Registration Last Change
2025-10-22
Receiving From
ASN
Organisation
AS174
US flagCogent Communications, LLC
AS8447
AT flagA1 Telekom Austria AG
AS32590
US flagValve Corporation
AS13004
RS flagSerbian Open Exchange DOO
Transit To
ASN
Organisation
AS62012
RS flagGenerali Osiguranje Srbija
AS213008
RS flagAPOTEKARSKA USTANOVA LILLY DROGERIE BEOGRAD
IPv4 Active Prefixes
PrefixRange FromRange To
37.19.104.0/2137.19.104.037.19.111.255
77.243.16.0/2177.243.16.077.243.23.255
77.243.24.0/2277.243.24.077.243.27.255
77.243.28.0/2277.243.28.077.243.31.255
95.86.4.0/2295.86.4.095.86.7.255
Showing 5 of 14
IPv6 Active Prefixes
PrefixRange FromRange To
2a00:61c0::/322a00:61c0::2a00:61c0:ffff:ffff:ffff:ffff:ffff:ffff
2a00:61c1::/322a00:61c1::2a00:61c1:ffff:ffff:ffff:ffff:ffff:ffff
2a00:61c2::/312a00:61c2::2a00:61c3:ffff:ffff:ffff:ffff:ffff:ffff
2a00:61c4::/302a00:61c4::2a00:61c7:ffff:ffff:ffff:ffff:ffff:ffff