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ASN Lookup Tool
AS18177 NCKU-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS18177
Organisation
National Cheng Kung University 1, Ta-Hsueh Road,..
Name
NCKU-TW
Total IPv4 Addresses
451555
Total IPv4 Prefixes
102
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#642 out of 76,356
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 ..
IPv4 Active Prefixes

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

Prefix120.114.0.0/16
Range From120.114.0.0
Range To120.114.255.255
Prefix120.115.0.0/16
Range From120.115.0.0
Range To120.115.255.255
Prefix120.116.0.0/16
Range From120.116.0.0
Range To120.116.255.255
Prefix120.117.0.0/16
Range From120.117.0.0
Range To120.117.255.255
Prefix140.116.0.0/16
Range From140.116.0.0
Range To140.116.255.255
Showing 5 of 102
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.