Summary
| Country |  China | 
| Domain | cernet.edu.cn | 
| Size | 1,208,925,819,614,629,200,000,000 | 
| Registry | APNIC | 
| Network Name | CERNET-CN-20000426 | 
Whois
inet6num:       2001:250::/32
netname:        CERNET-CN-20000426
descr:          CERNET IPv6 Backbone
country:        CN
admin-c:        WJ67-AP
tech-c:         LX58-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
notify:         [email protected]
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-10-20T00:55:16Z
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
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2025-08-15
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-09-04T00:59:41Z
source:         APNIC
role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, 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 2025-08-15
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2025-08-15T09:38:28Z
source:         APNIC
person:         Li Xing
address:        China Education and Research Network
address:        China Education and Research Network Center
address:        Tsinghua University
address:        Beijing, 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        LX58-AP
notify:         [email protected]
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:50Z
source:         APNIC
person:         Wu Jianping
address:        China Education and Research Network
address:        China Education and Research Network Center
address:        Tsinghua University
address:        Beijing, 100084
address:        CN
country:        CN
phone:          +86-10-6278-5983
fax-no:         +86-10-6278-5933
e-mail:         [email protected]
nic-hdl:        WJ67-AP
notify:         [email protected]
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-22T05:14:50Z
source:         APNICCIDR IP address subranges within 2001:250:7810::/48 subnet
- 2001:250:7810:0:0:0:0:0/56
- 2001:250:7810:100:0:0:0:0/56
- 2001:250:7810:200:0:0:0:0/56
- 2001:250:7810:300:0:0:0:0/56
- 2001:250:7810:400:0:0:0:0/56
- 2001:250:7810:500:0:0:0:0/56
- 2001:250:7810:600:0:0:0:0/56
- 2001:250:7810:700:0:0:0:0/56
- 2001:250:7810:800:0:0:0:0/56
- 2001:250:7810:900:0:0:0:0/56
- 2001:250:7810:a00:0:0:0:0/56
- 2001:250:7810:b00:0:0:0:0/56
- 2001:250:7810:c00:0:0:0:0/56
- 2001:250:7810:d00:0:0:0:0/56
- 2001:250:7810:e00:0:0:0:0/56
- 2001:250:7810:f00:0:0:0:0/56
- 2001:250:7810:1000:0:0:0:0/56
- 2001:250:7810:1100:0:0:0:0/56
- 2001:250:7810:1200:0:0:0:0/56
- 2001:250:7810:1300:0:0:0:0/56
- 2001:250:7810:1400:0:0:0:0/56
- 2001:250:7810:1500:0:0:0:0/56
- 2001:250:7810:1600:0:0:0:0/56
- 2001:250:7810:1700:0:0:0:0/56
- 2001:250:7810:1800:0:0:0:0/56
- 2001:250:7810:1900:0:0:0:0/56
- 2001:250:7810:1a00:0:0:0:0/56
- 2001:250:7810:1b00:0:0:0:0/56
- 2001:250:7810:1c00:0:0:0:0/56
- 2001:250:7810:1d00:0:0:0:0/56
- 2001:250:7810:1e00:0:0:0:0/56
- 2001:250:7810:1f00:0:0:0:0/56
- 2001:250:7810:2000:0:0:0:0/56
- 2001:250:7810:2100:0:0:0:0/56
- 2001:250:7810:2200:0:0:0:0/56
- 2001:250:7810:2300:0:0:0:0/56
- 2001:250:7810:2400:0:0:0:0/56
- 2001:250:7810:2500:0:0:0:0/56
- 2001:250:7810:2600:0:0:0:0/56
- 2001:250:7810:2700:0:0:0:0/56
- 2001:250:7810:2800:0:0:0:0/56
- 2001:250:7810:2900:0:0:0:0/56
- 2001:250:7810:2a00:0:0:0:0/56
- 2001:250:7810:2b00:0:0:0:0/56
- 2001:250:7810:2c00:0:0:0:0/56
- 2001:250:7810:2d00:0:0:0:0/56
- 2001:250:7810:2e00:0:0:0:0/56
- 2001:250:7810:2f00:0:0:0:0/56
- 2001:250:7810:3000:0:0:0:0/56
- 2001:250:7810:3100:0:0:0:0/56
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- 2001:250:7810:3400:0:0:0:0/56
- 2001:250:7810:3500:0:0:0:0/56
- 2001:250:7810:3600:0:0:0:0/56
- 2001:250:7810:3700:0:0:0:0/56
- 2001:250:7810:3800:0:0:0:0/56
- 2001:250:7810:3900:0:0:0:0/56
- 2001:250:7810:3a00:0:0:0:0/56
- 2001:250:7810:3b00:0:0:0:0/56
- 2001:250:7810:3c00:0:0:0:0/56
- 2001:250:7810:3d00:0:0:0:0/56
- 2001:250:7810:3e00:0:0:0:0/56
- 2001:250:7810:3f00:0:0:0:0/56
- 2001:250:7810:4000:0:0:0:0/56
- 2001:250:7810:4100:0:0:0:0/56
- 2001:250:7810:4200:0:0:0:0/56
- 2001:250:7810:4300:0:0:0:0/56
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- 2001:250:7810:4500:0:0:0:0/56
- 2001:250:7810:4600:0:0:0:0/56
- 2001:250:7810:4700:0:0:0:0/56
- 2001:250:7810:4800:0:0:0:0/56
- 2001:250:7810:4900:0:0:0:0/56
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- 2001:250:7810:4c00:0:0:0:0/56
- 2001:250:7810:4d00:0:0:0:0/56
- 2001:250:7810:4e00:0:0:0:0/56
- 2001:250:7810:4f00:0:0:0:0/56
- 2001:250:7810:5000:0:0:0:0/56
- 2001:250:7810:5100:0:0:0:0/56
- 2001:250:7810:5200:0:0:0:0/56
- 2001:250:7810:5300:0:0:0:0/56
- 2001:250:7810:5400:0:0:0:0/56
- 2001:250:7810:5500:0:0:0:0/56
- 2001:250:7810:5600:0:0:0:0/56
- 2001:250:7810:5700:0:0:0:0/56
- 2001:250:7810:5800:0:0:0:0/56
- 2001:250:7810:5900:0:0:0:0/56
- 2001:250:7810:5a00:0:0:0:0/56
- 2001:250:7810:5b00:0:0:0:0/56
- 2001:250:7810:5c00:0:0:0:0/56
- 2001:250:7810:5d00:0:0:0:0/56
- 2001:250:7810:5e00:0:0:0:0/56
- 2001:250:7810:5f00:0:0:0:0/56
- 2001:250:7810:6000:0:0:0:0/56
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- 2001:250:7810:6200:0:0:0:0/56
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- 2001:250:7810:6e00:0:0:0:0/56
- 2001:250:7810:6f00:0:0:0:0/56
- 2001:250:7810:7000:0:0:0:0/56
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- 2001:250:7810:7300:0:0:0:0/56
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- 2001:250:7810:7500:0:0:0:0/56
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- 2001:250:7810:7800:0:0:0:0/56
- 2001:250:7810:7900:0:0:0:0/56
- 2001:250:7810:7a00:0:0:0:0/56
- 2001:250:7810:7b00:0:0:0:0/56
- 2001:250:7810:7c00:0:0:0:0/56
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- 2001:250:7810:7e00:0:0:0:0/56
- 2001:250:7810:7f00:0:0:0:0/56
- 2001:250:7810:8000:0:0:0:0/56
- 2001:250:7810:8100:0:0:0:0/56
- 2001:250:7810:8200:0:0:0:0/56
- 2001:250:7810:8300:0:0:0:0/56
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- 2001:250:7810:8500:0:0:0:0/56
- 2001:250:7810:8600:0:0:0:0/56
- 2001:250:7810:8700:0:0:0:0/56
- 2001:250:7810:8800:0:0:0:0/56
- 2001:250:7810:8900:0:0:0:0/56
- 2001:250:7810:8a00:0:0:0:0/56
- 2001:250:7810:8b00:0:0:0:0/56
- 2001:250:7810:8c00:0:0:0:0/56
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- 2001:250:7810:b900:0:0:0:0/56
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- 2001:250:7810:ea00:0:0:0:0/56
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- 2001:250:7810:ec00:0:0:0:0/56
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- 2001:250:7810:f000:0:0:0:0/56
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- 2001:250:7810:f200:0:0:0:0/56
- 2001:250:7810:f300:0:0:0:0/56
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- 2001:250:7810:f500:0:0:0:0/56
- 2001:250:7810:f600:0:0:0:0/56
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- 2001:250:7810:fc00:0:0:0:0/56
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- 2001:250:7810:fe00:0:0:0:0/56
- 2001:250:7810:ff00:0:0:0:0/56
