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 2001:250:6018::/48 subnet
- 2001:250:6018:0:0:0:0:0/56
- 2001:250:6018:100:0:0:0:0/56
- 2001:250:6018:200:0:0:0:0/56
- 2001:250:6018:300:0:0:0:0/56
- 2001:250:6018:400:0:0:0:0/56
- 2001:250:6018:500:0:0:0:0/56
- 2001:250:6018:600:0:0:0:0/56
- 2001:250:6018:700:0:0:0:0/56
- 2001:250:6018:800:0:0:0:0/56
- 2001:250:6018:900:0:0:0:0/56
- 2001:250:6018:a00:0:0:0:0/56
- 2001:250:6018:b00:0:0:0:0/56
- 2001:250:6018:c00:0:0:0:0/56
- 2001:250:6018:d00:0:0:0:0/56
- 2001:250:6018:e00:0:0:0:0/56
- 2001:250:6018:f00:0:0:0:0/56
- 2001:250:6018:1000:0:0:0:0/56
- 2001:250:6018:1100:0:0:0:0/56
- 2001:250:6018:1200:0:0:0:0/56
- 2001:250:6018:1300:0:0:0:0/56
- 2001:250:6018:1400:0:0:0:0/56
- 2001:250:6018:1500:0:0:0:0/56
- 2001:250:6018:1600:0:0:0:0/56
- 2001:250:6018:1700:0:0:0:0/56
- 2001:250:6018:1800:0:0:0:0/56
- 2001:250:6018:1900:0:0:0:0/56
- 2001:250:6018:1a00:0:0:0:0/56
- 2001:250:6018:1b00:0:0:0:0/56
- 2001:250:6018:1c00:0:0:0:0/56
- 2001:250:6018:1d00:0:0:0:0/56
- 2001:250:6018:1e00:0:0:0:0/56
- 2001:250:6018:1f00:0:0:0:0/56
- 2001:250:6018:2000:0:0:0:0/56
- 2001:250:6018:2100:0:0:0:0/56
- 2001:250:6018:2200:0:0:0:0/56
- 2001:250:6018:2300:0:0:0:0/56
- 2001:250:6018:2400:0:0:0:0/56
- 2001:250:6018:2500:0:0:0:0/56
- 2001:250:6018:2600:0:0:0:0/56
- 2001:250:6018:2700:0:0:0:0/56
- 2001:250:6018:2800:0:0:0:0/56
- 2001:250:6018:2900:0:0:0:0/56
- 2001:250:6018:2a00:0:0:0:0/56
- 2001:250:6018:2b00:0:0:0:0/56
- 2001:250:6018:2c00:0:0:0:0/56
- 2001:250:6018:2d00:0:0:0:0/56
- 2001:250:6018:2e00:0:0:0:0/56
- 2001:250:6018:2f00:0:0:0:0/56
- 2001:250:6018:3000:0:0:0:0/56
- 2001:250:6018:3100:0:0:0:0/56
- 2001:250:6018:3200:0:0:0:0/56
- 2001:250:6018:3300:0:0:0:0/56
- 2001:250:6018:3400:0:0:0:0/56
- 2001:250:6018:3500:0:0:0:0/56
- 2001:250:6018:3600:0:0:0:0/56
- 2001:250:6018:3700:0:0:0:0/56
- 2001:250:6018:3800:0:0:0:0/56
- 2001:250:6018:3900:0:0:0:0/56
- 2001:250:6018:3a00:0:0:0:0/56
- 2001:250:6018:3b00:0:0:0:0/56
- 2001:250:6018:3c00:0:0:0:0/56
- 2001:250:6018:3d00:0:0:0:0/56
- 2001:250:6018:3e00:0:0:0:0/56
- 2001:250:6018:3f00:0:0:0:0/56
- 2001:250:6018:4000:0:0:0:0/56
- 2001:250:6018:4100:0:0:0:0/56
- 2001:250:6018:4200:0:0:0:0/56
- 2001:250:6018:4300:0:0:0:0/56
- 2001:250:6018:4400:0:0:0:0/56
- 2001:250:6018:4500:0:0:0:0/56
- 2001:250:6018:4600:0:0:0:0/56
- 2001:250:6018:4700:0:0:0:0/56
- 2001:250:6018:4800:0:0:0:0/56
- 2001:250:6018:4900:0:0:0:0/56
- 2001:250:6018:4a00:0:0:0:0/56
- 2001:250:6018:4b00:0:0:0:0/56
- 2001:250:6018:4c00:0:0:0:0/56
- 2001:250:6018:4d00:0:0:0:0/56
- 2001:250:6018:4e00:0:0:0:0/56
- 2001:250:6018:4f00:0:0:0:0/56
- 2001:250:6018:5000:0:0:0:0/56
- 2001:250:6018:5100:0:0:0:0/56
- 2001:250:6018:5200:0:0:0:0/56
- 2001:250:6018:5300:0:0:0:0/56
- 2001:250:6018:5400:0:0:0:0/56
- 2001:250:6018:5500:0:0:0:0/56
- 2001:250:6018:5600:0:0:0:0/56
- 2001:250:6018:5700:0:0:0:0/56
- 2001:250:6018:5800:0:0:0:0/56
- 2001:250:6018:5900:0:0:0:0/56
- 2001:250:6018:5a00:0:0:0:0/56
- 2001:250:6018:5b00:0:0:0:0/56
- 2001:250:6018:5c00:0:0:0:0/56
- 2001:250:6018:5d00:0:0:0:0/56
- 2001:250:6018:5e00:0:0:0:0/56
- 2001:250:6018:5f00:0:0:0:0/56
- 2001:250:6018:6000:0:0:0:0/56
- 2001:250:6018:6100:0:0:0:0/56
- 2001:250:6018:6200:0:0:0:0/56
- 2001:250:6018:6300:0:0:0:0/56
- 2001:250:6018:6400:0:0:0:0/56
- 2001:250:6018:6500:0:0:0:0/56
- 2001:250:6018:6600:0:0:0:0/56
- 2001:250:6018:6700:0:0:0:0/56
- 2001:250:6018:6800:0:0:0:0/56
- 2001:250:6018:6900:0:0:0:0/56
- 2001:250:6018:6a00:0:0:0:0/56
- 2001:250:6018:6b00:0:0:0:0/56
- 2001:250:6018:6c00:0:0:0:0/56
- 2001:250:6018:6d00:0:0:0:0/56
- 2001:250:6018:6e00:0:0:0:0/56
- 2001:250:6018:6f00:0:0:0:0/56
- 2001:250:6018:7000:0:0:0:0/56
- 2001:250:6018:7100:0:0:0:0/56
- 2001:250:6018:7200:0:0:0:0/56
- 2001:250:6018:7300:0:0:0:0/56
- 2001:250:6018:7400:0:0:0:0/56
- 2001:250:6018:7500:0:0:0:0/56
- 2001:250:6018:7600:0:0:0:0/56
- 2001:250:6018:7700:0:0:0:0/56
- 2001:250:6018:7800:0:0:0:0/56
- 2001:250:6018:7900:0:0:0:0/56
- 2001:250:6018:7a00:0:0:0:0/56
- 2001:250:6018:7b00:0:0:0:0/56
- 2001:250:6018:7c00:0:0:0:0/56
- 2001:250:6018:7d00:0:0:0:0/56
- 2001:250:6018:7e00:0:0:0:0/56
- 2001:250:6018:7f00:0:0:0:0/56
- 2001:250:6018:8000:0:0:0:0/56
- 2001:250:6018:8100:0:0:0:0/56
- 2001:250:6018:8200:0:0:0:0/56
- 2001:250:6018:8300:0:0:0:0/56
- 2001:250:6018:8400:0:0:0:0/56
- 2001:250:6018:8500:0:0:0:0/56
- 2001:250:6018:8600:0:0:0:0/56
- 2001:250:6018:8700:0:0:0:0/56
- 2001:250:6018:8800:0:0:0:0/56
- 2001:250:6018:8900:0:0:0:0/56
- 2001:250:6018:8a00:0:0:0:0/56
- 2001:250:6018:8b00:0:0:0:0/56
- 2001:250:6018:8c00:0:0:0:0/56
- 2001:250:6018:8d00:0:0:0:0/56
- 2001:250:6018:8e00:0:0:0:0/56
- 2001:250:6018:8f00:0:0:0:0/56
- 2001:250:6018:9000:0:0:0:0/56
- 2001:250:6018:9100:0:0:0:0/56
- 2001:250:6018:9200:0:0:0:0/56
- 2001:250:6018:9300:0:0:0:0/56
- 2001:250:6018:9400:0:0:0:0/56
- 2001:250:6018:9500:0:0:0:0/56
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- 2001:250:6018:9800:0:0:0:0/56
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- 2001:250:6018:9a00:0:0:0:0/56
- 2001:250:6018:9b00:0:0:0:0/56
- 2001:250:6018:9c00:0:0:0:0/56
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- 2001:250:6018:9f00:0:0:0:0/56
- 2001:250:6018:a000:0:0:0:0/56
- 2001:250:6018:a100:0:0:0:0/56
- 2001:250:6018:a200:0:0:0:0/56
- 2001:250:6018:a300:0:0:0:0/56
- 2001:250:6018:a400:0:0:0:0/56
- 2001:250:6018:a500:0:0:0:0/56
- 2001:250:6018:a600:0:0:0:0/56
- 2001:250:6018:a700:0:0:0:0/56
- 2001:250:6018:a800:0:0:0:0/56
- 2001:250:6018:a900:0:0:0:0/56
- 2001:250:6018:aa00:0:0:0:0/56
- 2001:250:6018:ab00:0:0:0:0/56
- 2001:250:6018:ac00:0:0:0:0/56
- 2001:250:6018:ad00:0:0:0:0/56
- 2001:250:6018:ae00:0:0:0:0/56
- 2001:250:6018:af00:0:0:0:0/56
- 2001:250:6018:b000:0:0:0:0/56
- 2001:250:6018:b100:0:0:0:0/56
- 2001:250:6018:b200:0:0:0:0/56
- 2001:250:6018:b300:0:0:0:0/56
- 2001:250:6018:b400:0:0:0:0/56
- 2001:250:6018:b500:0:0:0:0/56
- 2001:250:6018:b600:0:0:0:0/56
- 2001:250:6018:b700:0:0:0:0/56
- 2001:250:6018:b800:0:0:0:0/56
- 2001:250:6018:b900:0:0:0:0/56
- 2001:250:6018:ba00:0:0:0:0/56
- 2001:250:6018:bb00:0:0:0:0/56
- 2001:250:6018:bc00:0:0:0:0/56
- 2001:250:6018:bd00:0:0:0:0/56
- 2001:250:6018:be00:0:0:0:0/56
- 2001:250:6018:bf00:0:0:0:0/56
- 2001:250:6018:c000:0:0:0:0/56
- 2001:250:6018:c100:0:0:0:0/56
- 2001:250:6018:c200:0:0:0:0/56
- 2001:250:6018:c300:0:0:0:0/56
- 2001:250:6018:c400:0:0:0:0/56
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- 2001:250:6018:c900:0:0:0:0/56
- 2001:250:6018:ca00:0:0:0:0/56
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- 2001:250:6018:cd00:0:0:0:0/56
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- 2001:250:6018:cf00:0:0:0:0/56
- 2001:250:6018:d000:0:0:0:0/56
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- 2001:250:6018:d200:0:0:0:0/56
- 2001:250:6018:d300:0:0:0:0/56
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- 2001:250:6018:da00:0:0:0:0/56
- 2001:250:6018:db00:0:0:0:0/56
- 2001:250:6018:dc00:0:0:0:0/56
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- 2001:250:6018:e100:0:0:0:0/56
- 2001:250:6018:e200:0:0:0:0/56
- 2001:250:6018:e300:0:0:0:0/56
- 2001:250:6018:e400:0:0:0:0/56
- 2001:250:6018:e500:0:0:0:0/56
- 2001:250:6018:e600:0:0:0:0/56
- 2001:250:6018:e700:0:0:0:0/56
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- 2001:250:6018:e900:0:0:0:0/56
- 2001:250:6018:ea00:0:0:0:0/56
- 2001:250:6018:eb00:0:0:0:0/56
- 2001:250:6018:ec00:0:0:0:0/56
- 2001:250:6018:ed00:0:0:0:0/56
- 2001:250:6018:ee00:0:0:0:0/56
- 2001:250:6018:ef00:0:0:0:0/56
- 2001:250:6018:f000:0:0:0:0/56
- 2001:250:6018:f100:0:0:0:0/56
- 2001:250:6018:f200:0:0:0:0/56
- 2001:250:6018:f300:0:0:0:0/56
- 2001:250:6018:f400:0:0:0:0/56
- 2001:250:6018:f500:0:0:0:0/56
- 2001:250:6018:f600:0:0:0:0/56
- 2001:250:6018:f700:0:0:0:0/56
- 2001:250:6018:f800:0:0:0:0/56
- 2001:250:6018:f900:0:0:0:0/56
- 2001:250:6018:fa00:0:0:0:0/56
- 2001:250:6018:fb00:0:0:0:0/56
- 2001:250:6018:fc00:0:0:0:0/56
- 2001:250:6018:fd00:0:0:0:0/56
- 2001:250:6018:fe00:0:0:0:0/56
- 2001:250:6018:ff00:0:0:0:0/56
