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ASN Lookup Tool
AS18420 NCU-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS18420
Organisation
National Central University No.300, Jungda Rd, J..
Name
NCU-TW
Total IPv4 Addresses
65,536
Total IPv4 Prefixes
1
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#3,211 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
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).

Prefix140.115.0.0/16
Range From140.115.0.0
Range To140.115.255.255
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.