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ASN Lookup Tool
AS17621 CNCGROUP-SH

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS17621
Organisation
China Unicom Shanghai network
Name
CNCGROUP-SH
Total IPv4 Addresses
910,623
Total IPv4 Prefixes
624
Total IPv6 Prefixes
665
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#397 out of 79,020
Registry
Apnic
Registered Country
CN flagCN
Registered Country Name
China
Registered Date
Registration Last Change
2023-10-21
Receiving From
ASN
Organisation
AS4134
CN flagNo.31,Jin-rong Street Beijing 100032
AS4837
CN flagCHINA UNICOM China169 Backbone
AS3356
US flagLevel 3 Parent, LLC
AS174
US flagCogent Communications, LLC
AS9808
CN flagChina Mobile
Showing 5 of 45
Transit To
ASN
Organisation
AS4837
CN flagCHINA UNICOM China169 Backbone
AS37963
CN flagHangzhou Alibaba Advertising Co.,Ltd. East Softw..
AS4812
CN flagChina Telecom (Group) Shanghai Telecom Company S..
AS45102
US flagAlibaba (US) Technology Co., Ltd. East Software ..
AS109
US flagCISCO SYSTEMS, INC.
Showing 5 of 56
IPv4 Active Prefixes
PrefixRange FromRange To
27.115.0.0/1827.115.0.027.115.63.255
27.115.64.0/1927.115.64.027.115.95.255
27.115.96.0/2027.115.96.027.115.111.255
27.115.112.0/2227.115.112.027.115.115.255
27.115.116.0/2327.115.116.027.115.117.255
Showing 5 of 624
IPv6 Active Prefixes
PrefixRange FromRange To
2401:a140:1::/482401:a140:1::2401:a140:1:ffff:ffff:ffff:ffff:ffff
2403:a100::/482403:a100::2403:a100:0:ffff:ffff:ffff:ffff:ffff
2403:a200:a1ff::/482403:a200:a1ff::2403:a200:a1ff:ffff:ffff:ffff:ffff:ffff
2404:7600:101::/482404:7600:101::2404:7600:101:ffff:ffff:ffff:ffff:ffff
2405:1480:1000::/482405:1480:1000::2405:1480:1000:ffff:ffff:ffff:ffff:ffff
Showing 5 of 665