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Summary
| Country |
 China
|
| Domain | net.edu.cn |
| Size | 1,024 |
| Registry | APNIC |
| Network Name | JSBD-CN |
Whois
inetnum: 42.245.192.0 - 42.245.207.255
netname: JSBD-CN
descr: ~{H|6{PB<descr: CERNET New Technology Co., Ltd
descr: Beijing 100084, China
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ASSIGNED NON-PORTABLE
remarks: conn-id NJ003126
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2022-05-30T03:21:25Z
source: APNIC
irt: IRT-CERNET-AP
address: Network Center,
address: FIT-3-220, 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
remarks: timezone GMT+8
remarks: [email protected] was validated on 2026-03-05
mnt-by: MAINT-CERNET-AP
last-modified: 2026-03-05T06:39:56Z
source: APNIC
role: ABUSE CERNETAP
country: ZZ
address: Network Center,
address: FIT-3-220, Tsinghua Univ
address: Beijing 100084, China
phone: +86-10-62784301
e-mail: [email protected]
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: [email protected] was validated on 2026-03-05
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-03-05T06:40:20Z
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]
remarks: [email protected]
admin-c: XL1-CN
tech-c: SZ2-AP
nic-hdl: CER-AP
mnt-by: MAINT-CERNET-AP
last-modified: 2020-09-03T09:14:12Z
source: APNIC
route: 42.245.192.0/18
descr: CERNET Newtech
origin: AS133111
mnt-by: MAINT-CERNET-AP
last-modified: 2017-03-14T04:00:08Z
source: APNIC CIDR IP address subranges within 42.245.200.0/22 subnet
- 42.245.200.0/24
- 42.245.201.0/24
- 42.245.202.0/24
- 42.245.203.0/24