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ASN Lookup Tool
AS138421 CU-CN-AS

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ASN Extended Info API & BGP Active Prefixes API
ASN Details
ASN
AS138421
Organisation
China Unicom
Name
CU-CN-AS
Total IPv4 Addresses
157,568
Total IPv4 Prefixes
242
Total IPv6 Prefixes
39
Total IPv4 Bogon Prefixes
0
Total IPv6 Bogon Prefixes
0
IPv4 Space Rank
#1,325 out of 79,632
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
AS4766
KR flagKorea Telecom
AS701
US flagVerizon Business
AS3320
DE flagDeutsche Telekom AG
Showing 5 of 64
Transit To
ASN
Organisation
AS55990
CN flagHuawei Cloud Service data center
AS136907
HK flagHUAWEI INTERNATIONAL PTE. LTD.
AS65100
WORLD flagPrivate Use AS
AS23848
CN flagShenzhen Ping An Communication Technology Co.,Lt..
IPv4 Active Prefixes
PrefixRange FromRange To
1.1.8.0/241.1.8.01.1.8.255
43.240.124.0/2443.240.124.043.240.124.255
43.240.125.0/2443.240.125.043.240.125.255
43.240.128.0/2343.240.128.043.240.129.255
43.240.130.0/2343.240.130.043.240.131.255
Showing 5 of 242
IPv6 Active Prefixes
PrefixRange FromRange To
2401:a140:1::/482401:a140:1::2401:a140:1:ffff:ffff:ffff:ffff:ffff
2402:f140:ff11::/482402:f140:ff11::2402:f140:ff11:ffff:ffff:ffff:ffff:ffff
2403:1ec0:1610::/482403:1ec0:1610::2403:1ec0:1610:ffff:ffff:ffff:ffff:ffff
2404:c940::/482404:c940::2404:c940:0:ffff:ffff:ffff:ffff:ffff
2406:d440:ffff::/482406:d440:ffff::2406:d440:ffff:ffff:ffff:ffff:ffff:ffff
Showing 5 of 39