210.21.208.0 is an IP version 4.

The IP is from China (CN)

AS Number: 17623 AS Description: CNCGROUP-SZ China Unicom Shenzen network, CN

reverse.gdsz.cncnet.net

# [whois.apnic.net] # Whois data copyright terms http://www.apnic.net/db/dbcopyright.html # Information related to '210.21.192.0 - 210.21.255.255' # Abuse contact for '210.21.192.0 - 210.21.255.255' is '[email protected]' inetnum: 210.21.192.0 - 210.21.255.255 netname: SHENZHEN-CNC country: CN descr: shenzhen branch, china netcom corp admin-c: YS224-AP tech-c: YS224-AP status: ALLOCATED NON-PORTABLE mnt-by: MAINT-CN-ZM28 mnt-lower: MAINT-CN-SY28 last-modified: 2008-09-04T06:57:03Z source: APNIC person: yumei sun nic-hdl: YS224-AP e-mail: [email protected] address: china netcom address: shenzhen phone: +86-0755-6983588 country: CN mnt-by: MAINT-CN-ZM28 last-modified: 2008-09-04T07:32:50Z source: APNIC # Information related to '210.21.192.0/18AS17623' route: 210.21.192.0/18 origin: AS17623 descr: China Unicom B811&A1218, China Unicom No.21, Jin-Rong Street mnt-by: MAINT-CNCGROUP-RR last-modified: 2023-06-08T07:57:43Z source: APNIC # This query was served by the APNIC Whois Service version 1.88.34 (WHOIS-UK2)