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ASN Lookup Tool
AS9916 NCTU-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS9916
Organisation
National Chiao Tung University, Hsinchu, Taiwan
Name
NCTU-TW
Total IPv4 Addresses
94,208
Total IPv4 Prefixes
11
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,006 out of 78,221
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
Registration Last Change
2021-11-04
Receiving From

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

ASN
Organisation
AS3462
TW flagChunghwa Telecom Co., Ltd.
AS140096
HK flagJINX CO., LIMITED
AS18185
TW flag4F, No.114, Sec.1, Chung-Shiao W. Road Taipei Ta..
IPv4 Active Prefixes

This provides the list of IPv4 address space routes/prefixes currently announced on Border Gateway Protocol (BGP).

Prefix120.126.32.0/19
Range From120.126.32.0
Range To120.126.63.255
Prefix120.126.64.0/19
Range From120.126.64.0
Range To120.126.95.255
Prefix120.126.96.0/20
Range From120.126.96.0
Range To120.126.111.255
Prefix140.113.0.0/16
Range From140.113.0.0
Range To140.113.255.255
Prefix140.129.51.0/24
Range From140.129.51.0
Range To140.129.51.255
Showing 5 of 11
IPv6 Active Prefixes
Prefix2001:f18::/32
Range From2001:f18::
Range To2001:f18:ffff:ffff:ffff:ffff:ffff:ffff
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.