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ASN Lookup Tool
AS7497 CSTNET-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS7497
Organisation
CNIC-CAS
Name
CSTNET-AS-AP
Total IPv4 Addresses
729,088
Total IPv4 Prefixes
665
Total IPv6 Prefixes
452
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#441 out of 78,024
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
Registration Last Change
2023-10-09
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
AS4837
CN flagCHINA UNICOM China169 Backbone
AS174
US flagCogent Communications
AS1103
NL flagSURF B.V.
AS7575
AU flagAustralian Academic and Research Network
Showing 5 of 24
Transit To

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

 

ASN
Organisation
AS24151
CN flagChina Internet Network Infomation Center 4 South..
AS38345
CN flagInternet Domain Name System Beijing Engineering ..
AS24406
CN flagChina Internet Network Infomation Center 4 South..
AS24409
CN flagChina Internet Network Infomation Center 4 South..
AS63555
CN flagBeijing Beilong Yunhai Network Data Technology C..
Showing 5 of 10
IPv4 Active Prefixes

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

Prefix49.210.0.0/17
Range From49.210.0.0
Range To49.210.127.255
Prefix49.210.128.0/24
Range From49.210.128.0
Range To49.210.128.255
Prefix49.210.129.0/24
Range From49.210.129.0
Range To49.210.129.255
Prefix49.210.130.0/23
Range From49.210.130.0
Range To49.210.131.255
Prefix49.210.132.0/22
Range From49.210.132.0
Range To49.210.135.255
Showing 5 of 665
IPv6 Active Prefixes
Prefix2001:cc0::/32
Range From2001:cc0::
Range To2001:cc0:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2400:dd00::/32
Range From2400:dd00::
Range To2400:dd00:ffff:ffff:ffff:ffff:ffff:ffff
Prefix2400:dd01::/36
Range From2400:dd01::
Range To2400:dd01:fff:ffff:ffff:ffff:ffff:ffff
Prefix2400:dd01:1000::/48
Range From2400:dd01:1000::
Range To2400:dd01:1000:ffff:ffff:ffff:ffff:ffff
Prefix2400:dd01:1001::/48
Range From2400:dd01:1001::
Range To2400:dd01:1001:ffff:ffff:ffff:ffff:ffff
Showing 5 of 452
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.