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ASN Lookup Tool
AS9505 TWGATE-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS9505
Organisation
Chunghwa Telecom Co., Ltd.
Name
TWGATE-AP
Total IPv4 Addresses
21,248
Total IPv4 Prefixes
43
Total IPv6 Prefixes
39
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,141 out of 77,675
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
Registration Last Change
2020-06-10
Receiving From

The list of active Autonomous Systems (ASs) which send traffic to that ASN.

ASN
Organisation
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications
AS2516
JP flagKDDI CORPORATION
AS2914
US flagNTT America, Inc.
AS3292
DK flagTDC Holding A/S
Showing 5 of 77
Transit To

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

 

ASN
Organisation
AS135529
TH flagInterlink Telecom Public Company Limited
AS133424
HK flagDonghwa Telecom Co., Limited
AS174
US flagCogent Communications
AS21928
US flagT-Mobile USA, Inc.
AS3462
TW flagChunghwa Telecom Co., Ltd.
Showing 5 of 90
IPv4 Active Prefixes

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

Prefix66.171.112.0/23
Range From66.171.112.0
Range To66.171.113.255
Prefix66.171.116.0/23
Range From66.171.116.0
Range To66.171.117.255
Prefix175.41.48.0/24
Range From175.41.48.0
Range To175.41.48.255
Prefix175.41.49.0/24
Range From175.41.49.0
Range To175.41.49.255
Prefix175.41.50.0/24
Range From175.41.50.0
Range To175.41.50.255
Showing 5 of 43
IPv6 Active Prefixes
Prefix2001:b200::/38
Range From2001:b200::
Range To2001:b200:3ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:b200:400::/39
Range From2001:b200:400::
Range To2001:b200:5ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:b200:600::/40
Range From2001:b200:600::
Range To2001:b200:6ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:b200:700::/40
Range From2001:b200:700::
Range To2001:b200:7ff:ffff:ffff:ffff:ffff:ffff
Prefix2001:b200:800::/37
Range From2001:b200:800::
Range To2001:b200:fff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 39
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.