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ASN Lookup Tool
AS24239 TWD2-NET-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS24239
Organisation
TWD2 Education and Research Network
Name
TWD2-NET-AS-AP
Total IPv4 Addresses
0
Total IPv4 Prefixes
0
Total IPv6 Prefixes
14
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
NA
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2023-09-05
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS209300
CN flagWende Tan
AS45576
CN flagTsinghua University Beijing 100084, China
AS20473
US flagThe Constant Company, LLC
AS4842
CN flagTianhai InfoTech
IPv6 Active Prefixes
Prefix2404:f4c0:f000::/48
Range From2404:f4c0:f000::
Range To2404:f4c0:f000:ffff:ffff:ffff:ffff:ffff
Prefix2404:f4c0:f003::/48
Range From2404:f4c0:f003::
Range To2404:f4c0:f003:ffff:ffff:ffff:ffff:ffff
Prefix2404:f4c0:f004::/46
Range From2404:f4c0:f004::
Range To2404:f4c0:f007:ffff:ffff:ffff:ffff:ffff
Prefix2404:f4c0:f008::/45
Range From2404:f4c0:f008::
Range To2404:f4c0:f00f:ffff:ffff:ffff:ffff:ffff
Prefix2a0c:b641:571::/48
Range From2a0c:b641:571::
Range To2a0c:b641:571:ffff:ffff:ffff:ffff:ffff
Showing 5 of 14
Autonomous System (AS) is a network (or collection of networks) that are all managed and supervised by a single entity or organisation. This tool provides a comprehensive ownership and connectivity report for any given AS number.