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ASN Lookup Tool
AS7539 TWAREN-TW

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS7539
Organisation
National Center for High-performance Computing H..
Name
TWAREN-TW
Total IPv4 Addresses
85465
Total IPv4 Prefixes
29
Total IPv6 Prefixes
2
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#2,153 out of 76,397
Registry
Apnic
Registered Country
TW flag TW
Registered Country Name
Taiwan (Province of China)
Registered Date
NA
Registration Last Change
2021-11-04
Receiving From

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

ASN
Organisation
AS55518
SG flagSingapore Internet Exchange Limited
AS1103
NL flagSURF B.V.
AS7713
ID flagTelekomunikasi Indonesia (PT)
AS7575
AU flagAustralian Academic and Research Network
AS293
US flagESnet
Showing 5 of 24
Transit To

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

 

ASN
Organisation
AS1659
TW flagTaiwan Academic Network (TANet) Information Cent..
AS17716
TW flagNational Taiwan University Taipei, Taiwan
AS17713
TW flagNational Sun Yat-sen University 70 Lien-hai Rd. ..
AS18047
TW flagNational Tsing-Hua University Hsinchu, Taiwan
AS9264
TW flagAcademia Sinica
Showing 5 of 12
IPv4 Active Prefixes

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

Prefix103.124.72.0/22
Range From103.124.72.0
Range To103.124.75.255
Prefix103.160.220.0/24
Range From103.160.220.0
Range To103.160.220.255
Prefix103.235.89.0/24
Range From103.235.89.0
Range To103.235.89.255
Prefix140.110.0.0/17
Range From140.110.0.0
Range To140.110.127.255
Prefix140.110.128.0/18
Range From140.110.128.0
Range To140.110.191.255
Showing 5 of 29
IPv6 Active Prefixes
Prefix2001:e10::/32
Range From2001:e10::
Range To2001:e10:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2001:4500:1000::/40
Range From2001:4500:1000::
Range To2001:4500:10ff:ffff:ffff:ffff:ffff:ffff
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.