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ASN Lookup Tool
AS4723 ASN-DOLPHIN

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS4723
Organisation
DOLPHIN
Name
ASN-DOLPHIN
Total IPv4 Addresses
30,720
Total IPv4 Prefixes
27
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#5,231 out of 78,971
Registry
Radb
Registered Country
JP flagJP
Registered Country Name
Japan
Registered Date
Registration Last Change
Receiving From
ASN
Organisation
AS4713
JP flagNTT Communications Corporation
AS2497
JP flagInternet Initiative Japan Inc.
AS2500
JP flagWIDE Project in Japan
AS7500
JP flag'M' Root DNS Server hosted by WIDE Project
IPv4 Active Prefixes
PrefixRange FromRange To
61.122.64.0/2161.122.64.061.122.71.255
61.122.72.0/2361.122.72.061.122.73.255
61.122.75.0/2461.122.75.061.122.75.255
61.122.76.0/2461.122.76.061.122.76.255
61.122.78.0/2361.122.78.061.122.79.255
Showing 5 of 27