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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
396032
Total IPv4 Prefixes
38
Total IPv6 Prefixes
1
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#710 out of 76,203
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
NA
Registration Last Change
2021-11-04
Receiving From

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

ASN
Organisation
AS9924
TW flagTaiwan Fixed Network, Telco and Network Service ..
AS4780
TW flagDigital United Inc. 7F,220,gangchi road Taipei, ..
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).

Prefix120.104.0.0/16
Range From120.104.0.0
Range To120.104.255.255
Prefix120.105.0.0/16
Range From120.105.0.0
Range To120.105.255.255
Prefix120.106.0.0/18
Range From120.106.0.0
Range To120.106.63.255
Prefix120.106.112.0/21
Range From120.106.112.0
Range To120.106.119.255
Prefix120.106.120.0/24
Range From120.106.120.0
Range To120.106.120.255
Showing 5 of 38
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.