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ASN Lookup Tool
AS137721 Private Use AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS137721
Organisation
Private Use AS
Name
Private Use AS
Total IPv4 Addresses
0
Total IPv4 Prefixes
0
Total IPv6 Prefixes
6
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
Registry
Registered Country
WORLD flag
Registered Country Name
Registered Date
Registration Last Change
Receiving From
ASN
Organisation
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS24357
CN flagCERNET2 IX at South China University of Technolo..
IPv6 Active Prefixes
PrefixRange FromRange To
2406:e3c0::/362406:e3c0::2406:e3c0:fff:ffff:ffff:ffff:ffff:ffff
2406:e3c0:1000::/372406:e3c0:1000::2406:e3c0:17ff:ffff:ffff:ffff:ffff:ffff
2406:e3c0:1800::/372406:e3c0:1800::2406:e3c0:1fff:ffff:ffff:ffff:ffff:ffff
2406:e3c0:2000::/352406:e3c0:2000::2406:e3c0:3fff:ffff:ffff:ffff:ffff:ffff
2406:e3c0:4000::/342406:e3c0:4000::2406:e3c0:7fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 6