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 2001:250:700c::/48 subnet
- 2001:250:700c:0:0:0:0:0/56
- 2001:250:700c:100:0:0:0:0/56
- 2001:250:700c:200:0:0:0:0/56
- 2001:250:700c:300:0:0:0:0/56
- 2001:250:700c:400:0:0:0:0/56
- 2001:250:700c:500:0:0:0:0/56
- 2001:250:700c:600:0:0:0:0/56
- 2001:250:700c:700:0:0:0:0/56
- 2001:250:700c:800:0:0:0:0/56
- 2001:250:700c:900:0:0:0:0/56
- 2001:250:700c:a00:0:0:0:0/56
- 2001:250:700c:b00:0:0:0:0/56
- 2001:250:700c:c00:0:0:0:0/56
- 2001:250:700c:d00:0:0:0:0/56
- 2001:250:700c:e00:0:0:0:0/56
- 2001:250:700c:f00:0:0:0:0/56
- 2001:250:700c:1000:0:0:0:0/56
- 2001:250:700c:1100:0:0:0:0/56
- 2001:250:700c:1200:0:0:0:0/56
- 2001:250:700c:1300:0:0:0:0/56
- 2001:250:700c:1400:0:0:0:0/56
- 2001:250:700c:1500:0:0:0:0/56
- 2001:250:700c:1600:0:0:0:0/56
- 2001:250:700c:1700:0:0:0:0/56
- 2001:250:700c:1800:0:0:0:0/56
- 2001:250:700c:1900:0:0:0:0/56
- 2001:250:700c:1a00:0:0:0:0/56
- 2001:250:700c:1b00:0:0:0:0/56
- 2001:250:700c:1c00:0:0:0:0/56
- 2001:250:700c:1d00:0:0:0:0/56
- 2001:250:700c:1e00:0:0:0:0/56
- 2001:250:700c:1f00:0:0:0:0/56
- 2001:250:700c:2000:0:0:0:0/56
- 2001:250:700c:2100:0:0:0:0/56
- 2001:250:700c:2200:0:0:0:0/56
- 2001:250:700c:2300:0:0:0:0/56
- 2001:250:700c:2400:0:0:0:0/56
- 2001:250:700c:2500:0:0:0:0/56
- 2001:250:700c:2600:0:0:0:0/56
- 2001:250:700c:2700:0:0:0:0/56
- 2001:250:700c:2800:0:0:0:0/56
- 2001:250:700c:2900:0:0:0:0/56
- 2001:250:700c:2a00:0:0:0:0/56
- 2001:250:700c:2b00:0:0:0:0/56
- 2001:250:700c:2c00:0:0:0:0/56
- 2001:250:700c:2d00:0:0:0:0/56
- 2001:250:700c:2e00:0:0:0:0/56
- 2001:250:700c:2f00:0:0:0:0/56
- 2001:250:700c:3000:0:0:0:0/56
- 2001:250:700c:3100:0:0:0:0/56
- 2001:250:700c:3200:0:0:0:0/56
- 2001:250:700c:3300:0:0:0:0/56
- 2001:250:700c:3400:0:0:0:0/56
- 2001:250:700c:3500:0:0:0:0/56
- 2001:250:700c:3600:0:0:0:0/56
- 2001:250:700c:3700:0:0:0:0/56
- 2001:250:700c:3800:0:0:0:0/56
- 2001:250:700c:3900:0:0:0:0/56
- 2001:250:700c:3a00:0:0:0:0/56
- 2001:250:700c:3b00:0:0:0:0/56
- 2001:250:700c:3c00:0:0:0:0/56
- 2001:250:700c:3d00:0:0:0:0/56
- 2001:250:700c:3e00:0:0:0:0/56
- 2001:250:700c:3f00:0:0:0:0/56
- 2001:250:700c:4000:0:0:0:0/56
- 2001:250:700c:4100:0:0:0:0/56
- 2001:250:700c:4200:0:0:0:0/56
- 2001:250:700c:4300:0:0:0:0/56
- 2001:250:700c:4400:0:0:0:0/56
- 2001:250:700c:4500:0:0:0:0/56
- 2001:250:700c:4600:0:0:0:0/56
- 2001:250:700c:4700:0:0:0:0/56
- 2001:250:700c:4800:0:0:0:0/56
- 2001:250:700c:4900:0:0:0:0/56
- 2001:250:700c:4a00:0:0:0:0/56
- 2001:250:700c:4b00:0:0:0:0/56
- 2001:250:700c:4c00:0:0:0:0/56
- 2001:250:700c:4d00:0:0:0:0/56
- 2001:250:700c:4e00:0:0:0:0/56
- 2001:250:700c:4f00:0:0:0:0/56
- 2001:250:700c:5000:0:0:0:0/56
- 2001:250:700c:5100:0:0:0:0/56
- 2001:250:700c:5200:0:0:0:0/56
- 2001:250:700c:5300:0:0:0:0/56
- 2001:250:700c:5400:0:0:0:0/56
- 2001:250:700c:5500:0:0:0:0/56
- 2001:250:700c:5600:0:0:0:0/56
- 2001:250:700c:5700:0:0:0:0/56
- 2001:250:700c:5800:0:0:0:0/56
- 2001:250:700c:5900:0:0:0:0/56
- 2001:250:700c:5a00:0:0:0:0/56
- 2001:250:700c:5b00:0:0:0:0/56
- 2001:250:700c:5c00:0:0:0:0/56
- 2001:250:700c:5d00:0:0:0:0/56
- 2001:250:700c:5e00:0:0:0:0/56
- 2001:250:700c:5f00:0:0:0:0/56
- 2001:250:700c:6000:0:0:0:0/56
- 2001:250:700c:6100:0:0:0:0/56
- 2001:250:700c:6200:0:0:0:0/56
- 2001:250:700c:6300:0:0:0:0/56
- 2001:250:700c:6400:0:0:0:0/56
- 2001:250:700c:6500:0:0:0:0/56
- 2001:250:700c:6600:0:0:0:0/56
- 2001:250:700c:6700:0:0:0:0/56
- 2001:250:700c:6800:0:0:0:0/56
- 2001:250:700c:6900:0:0:0:0/56
- 2001:250:700c:6a00:0:0:0:0/56
- 2001:250:700c:6b00:0:0:0:0/56
- 2001:250:700c:6c00:0:0:0:0/56
- 2001:250:700c:6d00:0:0:0:0/56
- 2001:250:700c:6e00:0:0:0:0/56
- 2001:250:700c:6f00:0:0:0:0/56
- 2001:250:700c:7000:0:0:0:0/56
- 2001:250:700c:7100:0:0:0:0/56
- 2001:250:700c:7200:0:0:0:0/56
- 2001:250:700c:7300:0:0:0:0/56
- 2001:250:700c:7400:0:0:0:0/56
- 2001:250:700c:7500:0:0:0:0/56
- 2001:250:700c:7600:0:0:0:0/56
- 2001:250:700c:7700:0:0:0:0/56
- 2001:250:700c:7800:0:0:0:0/56
- 2001:250:700c:7900:0:0:0:0/56
- 2001:250:700c:7a00:0:0:0:0/56
- 2001:250:700c:7b00:0:0:0:0/56
- 2001:250:700c:7c00:0:0:0:0/56
- 2001:250:700c:7d00:0:0:0:0/56
- 2001:250:700c:7e00:0:0:0:0/56
- 2001:250:700c:7f00:0:0:0:0/56
- 2001:250:700c:8000:0:0:0:0/56
- 2001:250:700c:8100:0:0:0:0/56
- 2001:250:700c:8200:0:0:0:0/56
- 2001:250:700c:8300:0:0:0:0/56
- 2001:250:700c:8400:0:0:0:0/56
- 2001:250:700c:8500:0:0:0:0/56
- 2001:250:700c:8600:0:0:0:0/56
- 2001:250:700c:8700:0:0:0:0/56
- 2001:250:700c:8800:0:0:0:0/56
- 2001:250:700c:8900:0:0:0:0/56
- 2001:250:700c:8a00:0:0:0:0/56
- 2001:250:700c:8b00:0:0:0:0/56
- 2001:250:700c:8c00:0:0:0:0/56
- 2001:250:700c:8d00:0:0:0:0/56
- 2001:250:700c:8e00:0:0:0:0/56
- 2001:250:700c:8f00:0:0:0:0/56
- 2001:250:700c:9000:0:0:0:0/56
- 2001:250:700c:9100:0:0:0:0/56
- 2001:250:700c:9200:0:0:0:0/56
- 2001:250:700c:9300:0:0:0:0/56
- 2001:250:700c:9400:0:0:0:0/56
- 2001:250:700c:9500:0:0:0:0/56
- 2001:250:700c:9600:0:0:0:0/56
- 2001:250:700c:9700:0:0:0:0/56
- 2001:250:700c:9800:0:0:0:0/56
- 2001:250:700c:9900:0:0:0:0/56
- 2001:250:700c:9a00:0:0:0:0/56
- 2001:250:700c:9b00:0:0:0:0/56
- 2001:250:700c:9c00:0:0:0:0/56
- 2001:250:700c:9d00:0:0:0:0/56
- 2001:250:700c:9e00:0:0:0:0/56
- 2001:250:700c:9f00:0:0:0:0/56
- 2001:250:700c:a000:0:0:0:0/56
- 2001:250:700c:a100:0:0:0:0/56
- 2001:250:700c:a200:0:0:0:0/56
- 2001:250:700c:a300:0:0:0:0/56
- 2001:250:700c:a400:0:0:0:0/56
- 2001:250:700c:a500:0:0:0:0/56
- 2001:250:700c:a600:0:0:0:0/56
- 2001:250:700c:a700:0:0:0:0/56
- 2001:250:700c:a800:0:0:0:0/56
- 2001:250:700c:a900:0:0:0:0/56
- 2001:250:700c:aa00:0:0:0:0/56
- 2001:250:700c:ab00:0:0:0:0/56
- 2001:250:700c:ac00:0:0:0:0/56
- 2001:250:700c:ad00:0:0:0:0/56
- 2001:250:700c:ae00:0:0:0:0/56
- 2001:250:700c:af00:0:0:0:0/56
- 2001:250:700c:b000:0:0:0:0/56
- 2001:250:700c:b100:0:0:0:0/56
- 2001:250:700c:b200:0:0:0:0/56
- 2001:250:700c:b300:0:0:0:0/56
- 2001:250:700c:b400:0:0:0:0/56
- 2001:250:700c:b500:0:0:0:0/56
- 2001:250:700c:b600:0:0:0:0/56
- 2001:250:700c:b700:0:0:0:0/56
- 2001:250:700c:b800:0:0:0:0/56
- 2001:250:700c:b900:0:0:0:0/56
- 2001:250:700c:ba00:0:0:0:0/56
- 2001:250:700c:bb00:0:0:0:0/56
- 2001:250:700c:bc00:0:0:0:0/56
- 2001:250:700c:bd00:0:0:0:0/56
- 2001:250:700c:be00:0:0:0:0/56
- 2001:250:700c:bf00:0:0:0:0/56
- 2001:250:700c:c000:0:0:0:0/56
- 2001:250:700c:c100:0:0:0:0/56
- 2001:250:700c:c200:0:0:0:0/56
- 2001:250:700c:c300:0:0:0:0/56
- 2001:250:700c:c400:0:0:0:0/56
- 2001:250:700c:c500:0:0:0:0/56
- 2001:250:700c:c600:0:0:0:0/56
- 2001:250:700c:c700:0:0:0:0/56
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- 2001:250:700c:c900:0:0:0:0/56
- 2001:250:700c:ca00:0:0:0:0/56
- 2001:250:700c:cb00:0:0:0:0/56
- 2001:250:700c:cc00:0:0:0:0/56
- 2001:250:700c:cd00:0:0:0:0/56
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- 2001:250:700c:cf00:0:0:0:0/56
- 2001:250:700c:d000:0:0:0:0/56
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- 2001:250:700c:d200:0:0:0:0/56
- 2001:250:700c:d300:0:0:0:0/56
- 2001:250:700c:d400:0:0:0:0/56
- 2001:250:700c:d500:0:0:0:0/56
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- 2001:250:700c:d800:0:0:0:0/56
- 2001:250:700c:d900:0:0:0:0/56
- 2001:250:700c:da00:0:0:0:0/56
- 2001:250:700c:db00:0:0:0:0/56
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- 2001:250:700c:df00:0:0:0:0/56
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- 2001:250:700c:e100:0:0:0:0/56
- 2001:250:700c:e200:0:0:0:0/56
- 2001:250:700c:e300:0:0:0:0/56
- 2001:250:700c:e400:0:0:0:0/56
- 2001:250:700c:e500:0:0:0:0/56
- 2001:250:700c:e600:0:0:0:0/56
- 2001:250:700c:e700:0:0:0:0/56
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- 2001:250:700c:e900:0:0:0:0/56
- 2001:250:700c:ea00:0:0:0:0/56
- 2001:250:700c:eb00:0:0:0:0/56
- 2001:250:700c:ec00:0:0:0:0/56
- 2001:250:700c:ed00:0:0:0:0/56
- 2001:250:700c:ee00:0:0:0:0/56
- 2001:250:700c:ef00:0:0:0:0/56
- 2001:250:700c:f000:0:0:0:0/56
- 2001:250:700c:f100:0:0:0:0/56
- 2001:250:700c:f200:0:0:0:0/56
- 2001:250:700c:f300:0:0:0:0/56
- 2001:250:700c:f400:0:0:0:0/56
- 2001:250:700c:f500:0:0:0:0/56
- 2001:250:700c:f600:0:0:0:0/56
- 2001:250:700c:f700:0:0:0:0/56
- 2001:250:700c:f800:0:0:0:0/56
- 2001:250:700c:f900:0:0:0:0/56
- 2001:250:700c:fa00:0:0:0:0/56
- 2001:250:700c:fb00:0:0:0:0/56
- 2001:250:700c:fc00:0:0:0:0/56
- 2001:250:700c:fd00:0:0:0:0/56
- 2001:250:700c:fe00:0:0:0:0/56
- 2001:250:700c:ff00:0:0:0:0/56
