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ASN Lookup Tool
AS24971 MASTER-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS24971
Organisation
MasterDC s.r.o.
Name
MASTER-AS
Total IPv4 Addresses
58,112
Total IPv4 Prefixes
33
Total IPv6 Prefixes
28
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,914 out of 78,925
Registry
Ripe
Registered Country
CZ flagCZ
Registered Country Name
Czechia
Registered Date
2002-06-11
Registration Last Change
2024-11-04
Receiving From
ASN
Organisation
AS6939
US flagHurricane Electric LLC
AS1299
SE flagArelion Sweden AB
AS32590
US flagValve Corporation
AS49544
NL flagi3D.net B.V
AS14840
BR flagBR.Digital Provider
Showing 5 of 13
Transit To
ASN
Organisation
AS204957
US flagGREEN FLOID LLC
AS21045
CZ flagK-net Technical International Group, s.r.o.
AS207167
CZ flagmapnet IT services s.r.o.
AS51134
CZ flagDevelopment 777 s.r.o.
AS48921
NL flagYoursafe Holding B.V.
Showing 5 of 7
IPv4 Active Prefixes
PrefixRange FromRange To
5.180.200.0/225.180.200.05.180.203.255
37.140.220.0/2437.140.220.037.140.220.255
37.205.8.0/2237.205.8.037.205.11.255
37.205.12.0/2237.205.12.037.205.15.255
77.93.192.0/1977.93.192.077.93.223.255
Showing 5 of 33
IPv6 Active Prefixes
PrefixRange FromRange To
2001:678:a50::/482001:678:a50::2001:678:a50:ffff:ffff:ffff:ffff:ffff
2001:67c:68::/482001:67c:68::2001:67c:68:ffff:ffff:ffff:ffff:ffff
2a00:8220::/322a00:8220::2a00:8220:ffff:ffff:ffff:ffff:ffff:ffff
2a00:a5a0::/322a00:a5a0::2a00:a5a0:ffff:ffff:ffff:ffff:ffff:ffff
2a01:430::/442a01:430::2a01:430:f:ffff:ffff:ffff:ffff:ffff
Showing 5 of 28