ASN Lookup Tool
AS24151 CNNIC-CRITICAL-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS24151
Organisation
China Internet Network Infomation Center 4 South..
Name
CNNIC-CRITICAL-AP
Total IPv4 Addresses
16340
Total IPv4 Prefixes
62
Total IPv6 Prefixes
190
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#7,392 out of 76,964
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2021-06-16
Receiving From

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

ASN
Organisation
CN flagCHINA UNICOM China169 Backbone
CN flagChina Mobile
CN flagHangzhou Alibaba Advertising Co.,Ltd. East Softw..
CN flagChina Telecom (Group) Shanghai Telecom Company S..
CN flagChina Unicom Beijing Province Network
Showing 5 of 21
Transit To

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

 

ASN
Organisation
DE flagDENIC eG
KR flagKorea Internet Security Agency
DE flagStefan Pattberg trading as DENIC Services GmbH &..
CN flagInternet Systems Consortium
IPv4 Active Prefixes

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

Range From1.2.4.0
Range To1.2.4.255
Showing 5 of 62
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.