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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
1,587,140
Total IPv4 Prefixes
1,093
Total IPv6 Prefixes
198
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#248 out of 78,057
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
AS33891
DE flagCore-Backbone GmbH
AS59360
HK flagBBIX HONG KONG PTE. LIMITED
AS7481
TW flagData Communication Business Group Chunghwa Telec..
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS17676
JP flagSoftBank Mobile Corp. Tokyo Port City Takeshiba ..
Showing 5 of 53
Transit To

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

 

ASN
Organisation
AS20940
NL flagAkamai International B.V.
AS4780
TW flagDigital United Inc. 7F,220,gangchi road Taipei, ..
AS38841
TW flagkbro CO. Ltd. 9F., No.260, Sec. 2, Bade Rd., Son..
AS24158
TW flagTaiwan Mobile Co., Ltd. 3Fl., No. 206, Sec. 2, D..
AS18049
TW flagTaiwan Infrastructure Network Technologie 3F, No..
Showing 5 of 48
IPv4 Active Prefixes

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

Prefix23.202.124.0/22
Range From23.202.124.0
Range To23.202.127.255
Prefix23.212.60.0/24
Range From23.212.60.0
Range To23.212.60.255
Prefix43.240.24.0/22
Range From43.240.24.0
Range To43.240.27.255
Prefix49.214.0.0/16
Range From49.214.0.0
Range To49.214.255.255
Prefix49.215.216.0/21
Range From49.215.216.0
Range To49.215.223.255
Showing 5 of 1,093
IPv6 Active Prefixes
Prefix2001:c50::/32
Range From2001:c50::
Range To2001:c50:ffff:ffff:ffff:ffff:ffff:ffff
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
Showing 5 of 198
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.