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ASN Lookup Tool
AS138371 CNGI-QDA-IX-AS-AP

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS138371
Organisation
China Education and Research Network (CERNET)
Name
CNGI-QDA-IX-AS-AP
Total IPv4 Addresses
20481
Total IPv4 Prefixes
15
Total IPv6 Prefixes
33
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#6,331 out of 77,447
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
AS4837
CN flagCHINA UNICOM China169 Backbone
AS4538
CN flagChina Education and Research Network Center Tsin..
AS23910
CN flagChina Next Generation Internet CERNET2 CNGI-CERN..
AS23911
CN flagChina Next Generation Internet Beijing IX CNGI-C..
Transit To

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

 

ASN
Organisation
AS4538
CN flagChina Education and Research Network Center Tsin..
AS132553
CN flagChina University of Petroleum (East China) Qingd..
IPv4 Active Prefixes

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

Prefix121.249.192.0/20
Range From121.249.192.0
Range To121.249.207.255
Prefix121.249.208.0/22
Range From121.249.208.0
Range To121.249.211.255
Prefix121.249.212.0/23
Range From121.249.212.0
Range To121.249.213.255
Prefix121.249.214.0/23
Range From121.249.214.0
Range To121.249.215.255
Prefix121.249.216.0/21
Range From121.249.216.0
Range To121.249.223.255
Showing 5 of 15
IPv6 Active Prefixes
Prefix2001:250:5805::/48
Range From2001:250:5805::
Range To2001:250:5805:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:5806::/48
Range From2001:250:5806::
Range To2001:250:5806:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:5816::/48
Range From2001:250:5816::
Range To2001:250:5816:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:5820::/48
Range From2001:250:5820::
Range To2001:250:5820:ffff:ffff:ffff:ffff:ffff
Prefix2001:250:5821::/48
Range From2001:250:5821::
Range To2001:250:5821:ffff:ffff:ffff:ffff:ffff
Showing 5 of 33
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.