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ASN Lookup Tool
AS131644 TWNIC-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS131644
Organisation
Taiwan Network Information Center 3F., No. 123, ..
Name
TWNIC-AS
Total IPv4 Addresses
1536
Total IPv4 Prefixes
3
Total IPv6 Prefixes
0
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#26,776 out of 77,307
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
NA
Registration Last Change
2023-06-27
Receiving From

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

ASN
Organisation
AS3462
TW flagChunghwa Telecom Co., Ltd.
AS6939
US flagHurricane Electric LLC
AS24482
SG flagSG.GS
AS1031
US flagPeer 1 Internet Service LLC
AS132337
SG flagAXCLUSIVE PTE. LTD.
IPv4 Active Prefixes

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

Prefix101.101.101.0/24
Range From101.101.101.0
Range To101.101.101.255
Prefix119.75.240.0/22
Range From119.75.240.0
Range To119.75.243.255
Prefix182.173.0.0/24
Range From182.173.0.0
Range To182.173.0.255
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.