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ASN Lookup Tool
AS137538 CSTCL-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS137538
Organisation
Caldawin Software Technology Company Limited
Name
CSTCL-AS-AP
Total IPv4 Addresses
512
Total IPv4 Prefixes
2
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#50,900 out of 79,117
Registry
Apnic
Registered Country
MO flagMO
Registered Country Name
Macao
Registered Date
Registration Last Change
2023-04-04
Receiving From
ASN
Organisation
AS38008
HK flagAperture Science Limited
IPv4 Active Prefixes
PrefixRange FromRange To
103.5.218.0/24103.5.218.0103.5.218.255
103.5.219.0/24103.5.219.0103.5.219.255
IPv6 Active Prefixes
PrefixRange FromRange To
2400:aae0::/322400:aae0::2400:aae0:ffff:ffff:ffff:ffff:ffff:ffff