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ASN Lookup Tool
AS18047 NTHU-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS18047
Organisation
National Tsing-Hua University Hsinchu, Taiwan
Name
NTHU-TW
Total IPv4 Addresses
73,728
Total IPv4 Prefixes
2
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,370 out of 77,693
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
AS7539
TW flagNational Center for High-performance Computing H..
AS9264
TW flagAcademia Sinica
AS9505
TW flagChunghwa Telecom Co., Ltd.
AS140096
HK flagJINX CO., LIMITED
IPv4 Active Prefixes

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

Prefix120.127.160.0/19
Range From120.127.160.0
Range To120.127.191.255
Prefix140.114.0.0/16
Range From140.114.0.0
Range To140.114.255.255
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.