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 2001:250:6017::/48 subnet
- 2001:250:6017:0:0:0:0:0/56
- 2001:250:6017:100:0:0:0:0/56
- 2001:250:6017:200:0:0:0:0/56
- 2001:250:6017:300:0:0:0:0/56
- 2001:250:6017:400:0:0:0:0/56
- 2001:250:6017:500:0:0:0:0/56
- 2001:250:6017:600:0:0:0:0/56
- 2001:250:6017:700:0:0:0:0/56
- 2001:250:6017:800:0:0:0:0/56
- 2001:250:6017:900:0:0:0:0/56
- 2001:250:6017:a00:0:0:0:0/56
- 2001:250:6017:b00:0:0:0:0/56
- 2001:250:6017:c00:0:0:0:0/56
- 2001:250:6017:d00:0:0:0:0/56
- 2001:250:6017:e00:0:0:0:0/56
- 2001:250:6017:f00:0:0:0:0/56
- 2001:250:6017:1000:0:0:0:0/56
- 2001:250:6017:1100:0:0:0:0/56
- 2001:250:6017:1200:0:0:0:0/56
- 2001:250:6017:1300:0:0:0:0/56
- 2001:250:6017:1400:0:0:0:0/56
- 2001:250:6017:1500:0:0:0:0/56
- 2001:250:6017:1600:0:0:0:0/56
- 2001:250:6017:1700:0:0:0:0/56
- 2001:250:6017:1800:0:0:0:0/56
- 2001:250:6017:1900:0:0:0:0/56
- 2001:250:6017:1a00:0:0:0:0/56
- 2001:250:6017:1b00:0:0:0:0/56
- 2001:250:6017:1c00:0:0:0:0/56
- 2001:250:6017:1d00:0:0:0:0/56
- 2001:250:6017:1e00:0:0:0:0/56
- 2001:250:6017:1f00:0:0:0:0/56
- 2001:250:6017:2000:0:0:0:0/56
- 2001:250:6017:2100:0:0:0:0/56
- 2001:250:6017:2200:0:0:0:0/56
- 2001:250:6017:2300:0:0:0:0/56
- 2001:250:6017:2400:0:0:0:0/56
- 2001:250:6017:2500:0:0:0:0/56
- 2001:250:6017:2600:0:0:0:0/56
- 2001:250:6017:2700:0:0:0:0/56
- 2001:250:6017:2800:0:0:0:0/56
- 2001:250:6017:2900:0:0:0:0/56
- 2001:250:6017:2a00:0:0:0:0/56
- 2001:250:6017:2b00:0:0:0:0/56
- 2001:250:6017:2c00:0:0:0:0/56
- 2001:250:6017:2d00:0:0:0:0/56
- 2001:250:6017:2e00:0:0:0:0/56
- 2001:250:6017:2f00:0:0:0:0/56
- 2001:250:6017:3000:0:0:0:0/56
- 2001:250:6017:3100:0:0:0:0/56
- 2001:250:6017:3200:0:0:0:0/56
- 2001:250:6017:3300:0:0:0:0/56
- 2001:250:6017:3400:0:0:0:0/56
- 2001:250:6017:3500:0:0:0:0/56
- 2001:250:6017:3600:0:0:0:0/56
- 2001:250:6017:3700:0:0:0:0/56
- 2001:250:6017:3800:0:0:0:0/56
- 2001:250:6017:3900:0:0:0:0/56
- 2001:250:6017:3a00:0:0:0:0/56
- 2001:250:6017:3b00:0:0:0:0/56
- 2001:250:6017:3c00:0:0:0:0/56
- 2001:250:6017:3d00:0:0:0:0/56
- 2001:250:6017:3e00:0:0:0:0/56
- 2001:250:6017:3f00:0:0:0:0/56
- 2001:250:6017:4000:0:0:0:0/56
- 2001:250:6017:4100:0:0:0:0/56
- 2001:250:6017:4200:0:0:0:0/56
- 2001:250:6017:4300:0:0:0:0/56
- 2001:250:6017:4400:0:0:0:0/56
- 2001:250:6017:4500:0:0:0:0/56
- 2001:250:6017:4600:0:0:0:0/56
- 2001:250:6017:4700:0:0:0:0/56
- 2001:250:6017:4800:0:0:0:0/56
- 2001:250:6017:4900:0:0:0:0/56
- 2001:250:6017:4a00:0:0:0:0/56
- 2001:250:6017:4b00:0:0:0:0/56
- 2001:250:6017:4c00:0:0:0:0/56
- 2001:250:6017:4d00:0:0:0:0/56
- 2001:250:6017:4e00:0:0:0:0/56
- 2001:250:6017:4f00:0:0:0:0/56
- 2001:250:6017:5000:0:0:0:0/56
- 2001:250:6017:5100:0:0:0:0/56
- 2001:250:6017:5200:0:0:0:0/56
- 2001:250:6017:5300:0:0:0:0/56
- 2001:250:6017:5400:0:0:0:0/56
- 2001:250:6017:5500:0:0:0:0/56
- 2001:250:6017:5600:0:0:0:0/56
- 2001:250:6017:5700:0:0:0:0/56
- 2001:250:6017:5800:0:0:0:0/56
- 2001:250:6017:5900:0:0:0:0/56
- 2001:250:6017:5a00:0:0:0:0/56
- 2001:250:6017:5b00:0:0:0:0/56
- 2001:250:6017:5c00:0:0:0:0/56
- 2001:250:6017:5d00:0:0:0:0/56
- 2001:250:6017:5e00:0:0:0:0/56
- 2001:250:6017:5f00:0:0:0:0/56
- 2001:250:6017:6000:0:0:0:0/56
- 2001:250:6017:6100:0:0:0:0/56
- 2001:250:6017:6200:0:0:0:0/56
- 2001:250:6017:6300:0:0:0:0/56
- 2001:250:6017:6400:0:0:0:0/56
- 2001:250:6017:6500:0:0:0:0/56
- 2001:250:6017:6600:0:0:0:0/56
- 2001:250:6017:6700:0:0:0:0/56
- 2001:250:6017:6800:0:0:0:0/56
- 2001:250:6017:6900:0:0:0:0/56
- 2001:250:6017:6a00:0:0:0:0/56
- 2001:250:6017:6b00:0:0:0:0/56
- 2001:250:6017:6c00:0:0:0:0/56
- 2001:250:6017:6d00:0:0:0:0/56
- 2001:250:6017:6e00:0:0:0:0/56
- 2001:250:6017:6f00:0:0:0:0/56
- 2001:250:6017:7000:0:0:0:0/56
- 2001:250:6017:7100:0:0:0:0/56
- 2001:250:6017:7200:0:0:0:0/56
- 2001:250:6017:7300:0:0:0:0/56
- 2001:250:6017:7400:0:0:0:0/56
- 2001:250:6017:7500:0:0:0:0/56
- 2001:250:6017:7600:0:0:0:0/56
- 2001:250:6017:7700:0:0:0:0/56
- 2001:250:6017:7800:0:0:0:0/56
- 2001:250:6017:7900:0:0:0:0/56
- 2001:250:6017:7a00:0:0:0:0/56
- 2001:250:6017:7b00:0:0:0:0/56
- 2001:250:6017:7c00:0:0:0:0/56
- 2001:250:6017:7d00:0:0:0:0/56
- 2001:250:6017:7e00:0:0:0:0/56
- 2001:250:6017:7f00:0:0:0:0/56
- 2001:250:6017:8000:0:0:0:0/56
- 2001:250:6017:8100:0:0:0:0/56
- 2001:250:6017:8200:0:0:0:0/56
- 2001:250:6017:8300:0:0:0:0/56
- 2001:250:6017:8400:0:0:0:0/56
- 2001:250:6017:8500:0:0:0:0/56
- 2001:250:6017:8600:0:0:0:0/56
- 2001:250:6017:8700:0:0:0:0/56
- 2001:250:6017:8800:0:0:0:0/56
- 2001:250:6017:8900:0:0:0:0/56
- 2001:250:6017:8a00:0:0:0:0/56
- 2001:250:6017:8b00:0:0:0:0/56
- 2001:250:6017:8c00:0:0:0:0/56
- 2001:250:6017:8d00:0:0:0:0/56
- 2001:250:6017:8e00:0:0:0:0/56
- 2001:250:6017:8f00:0:0:0:0/56
- 2001:250:6017:9000:0:0:0:0/56
- 2001:250:6017:9100:0:0:0:0/56
- 2001:250:6017:9200:0:0:0:0/56
- 2001:250:6017:9300:0:0:0:0/56
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- 2001:250:6017:9b00:0:0:0:0/56
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- 2001:250:6017:9f00:0:0:0:0/56
- 2001:250:6017:a000:0:0:0:0/56
- 2001:250:6017:a100:0:0:0:0/56
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- 2001:250:6017:a300:0:0:0:0/56
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- 2001:250:6017:a500:0:0:0:0/56
- 2001:250:6017:a600:0:0:0:0/56
- 2001:250:6017:a700:0:0:0:0/56
- 2001:250:6017:a800:0:0:0:0/56
- 2001:250:6017:a900:0:0:0:0/56
- 2001:250:6017:aa00:0:0:0:0/56
- 2001:250:6017:ab00:0:0:0:0/56
- 2001:250:6017:ac00:0:0:0:0/56
- 2001:250:6017:ad00:0:0:0:0/56
- 2001:250:6017:ae00:0:0:0:0/56
- 2001:250:6017:af00:0:0:0:0/56
- 2001:250:6017:b000:0:0:0:0/56
- 2001:250:6017:b100:0:0:0:0/56
- 2001:250:6017:b200:0:0:0:0/56
- 2001:250:6017:b300:0:0:0:0/56
- 2001:250:6017:b400:0:0:0:0/56
- 2001:250:6017:b500:0:0:0:0/56
- 2001:250:6017:b600:0:0:0:0/56
- 2001:250:6017:b700:0:0:0:0/56
- 2001:250:6017:b800:0:0:0:0/56
- 2001:250:6017:b900:0:0:0:0/56
- 2001:250:6017:ba00:0:0:0:0/56
- 2001:250:6017:bb00:0:0:0:0/56
- 2001:250:6017:bc00:0:0:0:0/56
- 2001:250:6017:bd00:0:0:0:0/56
- 2001:250:6017:be00:0:0:0:0/56
- 2001:250:6017:bf00:0:0:0:0/56
- 2001:250:6017:c000:0:0:0:0/56
- 2001:250:6017:c100:0:0:0:0/56
- 2001:250:6017:c200:0:0:0:0/56
- 2001:250:6017:c300:0:0:0:0/56
- 2001:250:6017:c400:0:0:0:0/56
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- 2001:250:6017:ca00:0:0:0:0/56
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- 2001:250:6017:cf00:0:0:0:0/56
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- 2001:250:6017:d300:0:0:0:0/56
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- 2001:250:6017:db00:0:0:0:0/56
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- 2001:250:6017:e100:0:0:0:0/56
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- 2001:250:6017:e300:0:0:0:0/56
- 2001:250:6017:e400:0:0:0:0/56
- 2001:250:6017:e500:0:0:0:0/56
- 2001:250:6017:e600:0:0:0:0/56
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- 2001:250:6017:e900:0:0:0:0/56
- 2001:250:6017:ea00:0:0:0:0/56
- 2001:250:6017:eb00:0:0:0:0/56
- 2001:250:6017:ec00:0:0:0:0/56
- 2001:250:6017:ed00:0:0:0:0/56
- 2001:250:6017:ee00:0:0:0:0/56
- 2001:250:6017:ef00:0:0:0:0/56
- 2001:250:6017:f000:0:0:0:0/56
- 2001:250:6017:f100:0:0:0:0/56
- 2001:250:6017:f200:0:0:0:0/56
- 2001:250:6017:f300:0:0:0:0/56
- 2001:250:6017:f400:0:0:0:0/56
- 2001:250:6017:f500:0:0:0:0/56
- 2001:250:6017:f600:0:0:0:0/56
- 2001:250:6017:f700:0:0:0:0/56
- 2001:250:6017:f800:0:0:0:0/56
- 2001:250:6017:f900:0:0:0:0/56
- 2001:250:6017:fa00:0:0:0:0/56
- 2001:250:6017:fb00:0:0:0:0/56
- 2001:250:6017:fc00:0:0:0:0/56
- 2001:250:6017:fd00:0:0:0:0/56
- 2001:250:6017:fe00:0:0:0:0/56
- 2001:250:6017:ff00:0:0:0:0/56
