ASN Lookup Tool

AS138421
China Unicom CN CN 247 Routes

AS138421China Unicom

AS Number 138421
AS Name
Organization China Unicom(org-cu1-ap)
Country CN
Website chinaunicom.cn
Number of IPv4 Routes 211
Number of IPv6 Routes 36
ASN type ISP
Allocation Status
Registry APNIC
Date Allocated N/A

IP Ranges

Route # IPs
223.167.110.0/24 256
140.207.220.0/22 1024
211.95.79.0/24 256
140.207.255.0/24 256
112.65.75.0/24 256
2408:870c:2070::/44 ~19×10²⁴
2408:870c:150::/44 ~19×10²⁴
112.65.117.0/24 256
220.196.186.0/23 512
buy plan 512
buy plan 256
buy plan 256
buy plan ~19×10²⁴
buy plan 256

Raw Whois Response

% [whois.apnic.net]
% Whois data copyright terms    http://www.apnic.net/db/dbcopyright.html

% Information related to 'AS137530 - AS138553'

as-block:       AS137530 - AS138553
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2017-12-08T06:45:58Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC

% Information related to 'AS138421'

% Abuse contact for 'AS138421' is 'zhaoyz3@chinaunicom.cn'

aut-num:        AS138421
as-name:        CU-CN-AS
descr:          China Unicom
descr:          A1218, China Unicom
descr:          No.21, Jin-Rong Street
country:        CN
org:            ORG-CU1-AP
admin-c:        CH1302-AP
tech-c:         CH1302-AP
abuse-c:        AC1718-AP
notify:         zhouxm@chinaunicom.cn
mnt-lower:      MAINT-CN-CUCGROUP
mnt-routes:     MAINT-CN-CUCGROUP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CU-CN
last-modified:  2023-10-21T03:33:17Z
source:         APNIC

irt:            IRT-CU-CN
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
e-mail:         zhaoyz3@chinaunicom.cn
abuse-mailbox:  zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
auth:           # Filtered
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
mnt-by:         MAINT-CNCGROUP
last-modified:  2025-11-18T00:26:20Z
source:         APNIC

organisation:   ORG-CU1-AP
org-name:       China Unicom
country:        CN
address:        B811&A1218, China Unicom
address:        No.21, Jin-Rong Street
phone:          +86-10-66259626
fax-no:         +86-10-66259154
e-mail:         zhaoyz3@chinaunicom.cn
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2019-12-25T12:55:24Z
source:         APNIC

role:           ABUSE CUCN
country:        ZZ
address:        No.21,Financial Street
address:        Beijing,100033
address:        P.R.China
phone:          +000000000
e-mail:         zhaoyz3@chinaunicom.cn
admin-c:        CH1302-AP
tech-c:         CH1302-AP
nic-hdl:        AC1718-AP
remarks:        Generated from irt object IRT-CU-CN
remarks:        zhaoyz3@chinaunicom.cn was validated on 2025-10-17
abuse-mailbox:  zhaoyz3@chinaunicom.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-10-17T02:26:56Z
source:         APNIC

person:         ChinaUnicom Hostmaster
nic-hdl:        CH1302-AP
e-mail:         hqs-ipabuse@chinaunicom.cn
address:        No.21,Jin-Rong Street
address:        Beijing,100033
address:        P.R.China
phone:          +86-10-66259764
fax-no:         +86-10-66259764
country:        CN
mnt-by:         MAINT-CNCGROUP
last-modified:  2017-08-17T06:13:16Z
source:         APNIC

% This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)
            

Parsed Whois Response

Peers

AS Number Description Country
AS137718 Beijing Volcano Engine Technology Co., Ltd. CN
AS4837 China Unicom Backbone CN
AS137718 Beijing Volcano Engine Technology Co., Ltd. AU
AS55990 Huawei Cloud Service data center AU
AS4811 China Telecom (Group) CN
AS23848 Shenzhen Ping An Communication Technology Co.,Ltd CN
AS23848 Shenzhen Ping An Communication Technology Co.,Ltd AU
AS55990 Huawei Cloud Service data center CN
AS4837 CHINA UNICOM China169 Backbone AU

Upstreams

AS Number Description Country
AS4837 CHINA UNICOM China169 Backbone AU

Downstreams

AS Number Description Country
AS137718 Beijing Volcano Engine Technology Co., Ltd. AU
AS55990 Huawei Cloud Service data center AU
AS23848 Shenzhen Ping An Communication Technology Co.,Ltd AU

Legacy Routes

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