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ASN Lookup Tool
AS9924 TFN-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS9924
Organisation
Taiwan Fixed Network, Telco and Network Service ..
Name
TFN-TW
Total IPv4 Addresses
1623543
Total IPv4 Prefixes
1904
Total IPv6 Prefixes
202
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#260 out of 76,282
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
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS24115
SG flagEquinix Asia Pacific Pte Ltd
AS7481
TW flagData Communication Business Group Chunghwa Telec..
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS17676
JP flagSoftBank Corp.
Showing 5 of 58
Transit To

The list of active Autonomous Systems (ASs) which receive traffic from that ASN.

 

ASN
Organisation
AS20940
NL flagAkamai International B.V.
AS1659
TW flagTaiwan Academic Network (TANet) Information Cent..
AS4780
TW flagDigital United Inc. 7F,220,gangchi road Taipei, ..
AS9416
TW flagHoshin Multimedia Center Inc.
AS17716
TW flagNational Taiwan University Taipei, Taiwan
Showing 5 of 57
IPv4 Active Prefixes

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

Prefix103.123.189.0/24
Range From103.123.189.0
Range To103.123.189.255
Prefix103.123.190.0/24
Range From103.123.190.0
Range To103.123.190.255
Prefix103.123.191.0/24
Range From103.123.191.0
Range To103.123.191.255
Prefix103.129.176.0/32
Range From103.129.176.0
Range To103.129.176.0
Prefix103.129.176.1/32
Range From103.129.176.1
Range To103.129.176.1
Showing 5 of 1904
IPv6 Active Prefixes
Prefix2001:4540::/32
Range From2001:4540::
Range To2001:4540:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4541::/33
Range From2001:4541::
Range To2001:4541:7fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4541:8000::/36
Range From2001:4541:8000::
Range To2001:4541:8fff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4541:9000::/64
Range From2001:4541:9000::
Range To2001:4541:9000:0:ffff:ffff:ffff:ffff
Prefix2001:4541:9000:1::/64
Range From2001:4541:9000:1::
Range To2001:4541:9000:1:ffff:ffff:ffff:ffff
Showing 5 of 202
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.