Registry APNIC
Allocated On 2019-03-29
Domain cernet.edu.cn
Country cn.png China
Country Code CN
Total Routes 58
Total IPs 46592

IP Address Ranges

RangeTotal IPs
203.24.92.0/24 256
203.55.150.0/24 256
103.3.0.0/19 8192
103.3.0.0/20 4096
103.3.0.0/21 2048
103.3.0.0/22 1024
103.3.0.0/23 512
103.3.0.0/24 256
103.3.1.0/24 256
103.3.2.0/23 512
103.3.2.0/24 256
103.3.3.0/24 256
103.3.4.0/22 1024
103.3.4.0/23 512
103.3.4.0/24 256
103.3.5.0/24 256
103.3.6.0/23 512
103.3.6.0/24 256
103.3.7.0/24 256
103.3.8.0/21 2048
103.3.8.0/22 1024
103.3.8.0/23 512
103.3.8.0/24 256
103.3.9.0/24 256
103.3.10.0/23 512
103.3.10.0/24 256
103.3.11.0/24 256
103.3.12.0/22 1024
103.3.12.0/23 512
103.3.12.0/24 256
103.3.13.0/24 256
103.3.14.0/23 512
103.3.14.0/24 256
103.3.15.0/24 256
103.3.16.0/20 4096
103.3.16.0/21 2048
103.3.20.0/22 1024
103.3.20.0/23 512
103.3.20.0/24 256
103.3.21.0/24 256
103.3.22.0/23 512
103.3.22.0/24 256
103.3.23.0/24 256
103.3.24.0/21 2048
103.3.24.0/22 1024
103.3.24.0/23 512
103.3.24.0/24 256
103.3.25.0/24 256
103.3.26.0/23 512
103.3.26.0/24 256
103.3.27.0/24 256
103.3.28.0/22 1024
103.3.28.0/23 512
103.3.28.0/24 256
103.3.29.0/24 256
103.3.30.0/23 512
103.3.30.0/24 256
103.3.31.0/24 256

Whois Details

as-block:       AS23552 - AS24575
descr:          APNIC ASN block
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
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:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
source:         APNIC
as-block:       AS24298 - AS24400
descr:          APNIC ASN block
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
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:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
source:         APNIC
aut-num:        AS24302
as-name:        CRIS-CERNET-AS
descr:          CRIS-CERNET
descr:          Tsinghua University
descr:          Beijing 100084, China
country:        CN
org:            ORG-CEAR1-AP
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
source:         APNIC
irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
phone:          +86-10-62784301
fax-no:         +86-10-62785933
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
mnt-by:         MAINT-CERNET-AP
source:         APNIC
organisation:   ORG-CEAR1-AP
org-name:       China Education and Research Network (CERNET)
country:        CN
address:        FIT 3-220,
address:        Tsinghua University
phone:          +86-10-62785983
fax-no:         +86-10-62785933
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
source:         APNIC
role:           ABUSE CERNETAP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
country:        ZZ
phone:          +86-10-62784301
e-mail:         [email protected]
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
source:         APNIC
role:           CERNET Helpdesk
address:        CERNET Center
address:        Beijing 100084, China
country:        CN
phone:          +86-10-6278-4049
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
admin-c:        XL1-CN
tech-c:         SZ2-AP
nic-hdl:        CER-AP
mnt-by:         MAINT-CERNET-AP
source:         APNIC