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ASN Lookup Tool
AS24357 CNGI-GZ-IX-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS24357
Organisation
CERNET2 IX at South China University of Technolo..
Name
CNGI-GZ-IX-AS-AP
Total IPv4 Addresses
323845
Total IPv4 Prefixes
146
Total IPv6 Prefixes
213
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#794 out of 77,324
Registry
Apnic
Registered Country
CN flag CN
Registered Country Name
China
Registered Date
NA
Registration Last Change
2020-09-03
Receiving From

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

ASN
Organisation
AS4635
HK flagThe Hong Kong Internet Exchange Limited
AS4837
CN flagCHINA UNICOM China169 Backbone
AS174
US flagCogent Communications
AS4538
CN flagChina Education and Research Network Center Tsin..
AS6453
US flagTATA COMMUNICATIONS (AMERICA) INC
Showing 5 of 20
Transit To

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

 

ASN
Organisation
AS137721
WORLD flagPrivate Use AS
IPv4 Active Prefixes

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

Prefix125.216.41.0/24
Range From125.216.41.0
Range To125.216.41.255
Prefix125.216.42.0/23
Range From125.216.42.0
Range To125.216.43.255
Prefix125.216.50.0/23
Range From125.216.50.0
Range To125.216.51.255
Prefix125.216.54.0/23
Range From125.216.54.0
Range To125.216.55.255
Prefix125.216.68.0/22
Range From125.216.68.0
Range To125.216.71.255
Showing 5 of 146
IPv6 Active Prefixes
Prefix2001:250:23f::/48
Range From2001:250:23f::
Range To2001:250:23f:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:3000::/48
Range From2001:250:3000::
Range To2001:250:3000:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:3001::/48
Range From2001:250:3001::
Range To2001:250:3001:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:3002::/48
Range From2001:250:3002::
Range To2001:250:3002:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:3003::/48
Range From2001:250:3003::
Range To2001:250:3003:ffff:ffff:ffff:ffff:ffff
Showing 5 of 213
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.