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ASN Lookup Tool
AS24409 CNNIC-CRITICAL-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS24409
Organisation
China Internet Network Infomation Center 4 South..
Name
CNNIC-CRITICAL-AP
Total IPv4 Addresses
5,376
Total IPv4 Prefixes
21
Total IPv6 Prefixes
14
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#13,323 out of 77,675
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
Registration Last Change
2021-06-16
Receiving From

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

ASN
Organisation
AS4837
CN flagCHINA UNICOM China169 Backbone
AS9808
CN flagChina Mobile
AS37963
CN flagHangzhou Alibaba Advertising Co.,Ltd. East Softw..
AS4808
CN flagChina Unicom Beijing Province Network
AS4847
CN flagChina Networks Inter-Exchange Using Internationa..
Showing 5 of 21
IPv4 Active Prefixes

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

Prefix1.2.4.0/24
Range From1.2.4.0
Range To1.2.4.255
Prefix42.83.133.0/24
Range From42.83.133.0
Range To42.83.133.255
Prefix42.83.200.0/24
Range From42.83.200.0
Range To42.83.200.255
Prefix42.83.201.0/24
Range From42.83.201.0
Range To42.83.201.255
Prefix125.208.33.0/24
Range From125.208.33.0
Range To125.208.33.255
Showing 5 of 21
IPv6 Active Prefixes
Prefix2001:dc7::/48
Range From2001:dc7::
Range To2001:dc7:0:ffff:ffff:ffff:ffff:ffff
Prefix2001:dc7:1::/48
Range From2001:dc7:1::
Range To2001:dc7:1:ffff:ffff:ffff:ffff:ffff
Prefix2001:dc7:2::/48
Range From2001:dc7:2::
Range To2001:dc7:2:ffff:ffff:ffff:ffff:ffff
Prefix2001:dc7:3::/48
Range From2001:dc7:3::
Range To2001:dc7:3:ffff:ffff:ffff:ffff:ffff
Prefix2001:dc7:1000::/48
Range From2001:dc7:1000::
Range To2001:dc7:1000:ffff:ffff:ffff:ffff:ffff
Showing 5 of 14
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.