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ASN Lookup Tool
AS4721 JCN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4721
Organisation
J:COM (former JCN)
Name
JCN
Total IPv4 Addresses
631,808
Total IPv4 Prefixes
108
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#509 out of 79,121
Registry
Radb
Registered Country
ZZ flagZZ
Registered Country Name
ZZ
Registered Date
Registration Last Change
Receiving From
ASN
Organisation
AS9824
JP flagJCOM Co., Ltd.
IPv4 Active Prefixes
PrefixRange FromRange To
14.193.0.0/1714.193.0.014.193.127.255
14.193.128.0/1714.193.128.014.193.255.255
61.203.224.0/2061.203.224.061.203.239.255
61.203.240.0/2061.203.240.061.203.255.255
110.4.48.0/21110.4.48.0110.4.55.255
Showing 5 of 108
IPv6 Active Prefixes
PrefixRange FromRange To
2001:c30::/322001:c30::2001:c30:ffff:ffff:ffff:ffff:ffff:ffff