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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
1,597,450
Total IPv4 Prefixes
1,170
Total IPv6 Prefixes
192
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#259 out of 77,536
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
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS17676
JP flagSoftBank Corp.
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS3257
US flagGTT Communications Inc.
Showing 5 of 48
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..
AS24164
TW flagUNION BROADBAND NETWORK 13F, No. 27, Sec. 1st, A..
Showing 5 of 44
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
Prefix43.249.212.0/24
Range From43.249.212.0
Range To43.249.212.255
Prefix49.214.0.0/16
Range From49.214.0.0
Range To49.214.255.255
Showing 5 of 1,170
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 192
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.