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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
1,551,662
Total IPv4 Prefixes
1,222
Total IPv6 Prefixes
205
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#255 out of 79,356
Registry
Apnic
Registered Country
TW flagTW
Registered Country Name
Taiwan (Province of China)
Registered Date
Registration Last Change
2025-11-06
Receiving From
ASN
Organisation
AS59360
HK flagBBIX HONG KONG PTE. LIMITED
AS33891
DE flagCore-Backbone GmbH
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 48
Transit To
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, ..
AS17716
TW flagNational Taiwan University Taipei, Taiwan
AS38841
TW flagkbro CO. Ltd. 9F., No.260, Sec. 2, Bade Rd., Son..
Showing 5 of 56
IPv4 Active Prefixes
PrefixRange FromRange To
2.18.16.0/232.18.16.02.18.17.255
2.21.16.0/222.21.16.02.21.19.255
23.202.124.0/2223.202.124.023.202.127.255
23.212.60.0/2423.212.60.023.212.60.255
43.240.24.0/2243.240.24.043.240.27.255
Showing 5 of 1,222
IPv6 Active Prefixes
PrefixRange FromRange To
2001:c50::/322001:c50::2001:c50:ffff:ffff:ffff:ffff:ffff:ffff
2001:4540::/322001:4540::2001:4540:ffff:ffff:ffff:ffff:ffff:ffff
2001:4541::/332001:4541::2001:4541:7fff:ffff:ffff:ffff:ffff:ffff
2001:4541:8000::/362001:4541:8000::2001:4541:8fff:ffff:ffff:ffff:ffff:ffff
2001:4541:9000::/642001:4541:9000::2001:4541:9000:0:ffff:ffff:ffff:ffff
Showing 5 of 205