Summary

Country
CN 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 2024-07-04
mnt-by: MAINT-CERNET-AP
last-modified: 2024-07-04T04:10:10Z
source: APNIC

role: ABUSE CERNETAP
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
country: ZZ
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 2024-07-04
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2024-07-04T04:10:19Z
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: APNIC


CIDR IP address subranges within 2001:250:7421::/48 subnet

  • 2001:250:7421:0:0:0:0:0/56
  • 2001:250:7421:100:0:0:0:0/56
  • 2001:250:7421:200:0:0:0:0/56
  • 2001:250:7421:300:0:0:0:0/56
  • 2001:250:7421:400:0:0:0:0/56
  • 2001:250:7421:500:0:0:0:0/56
  • 2001:250:7421:600:0:0:0:0/56
  • 2001:250:7421:700:0:0:0:0/56
  • 2001:250:7421:800:0:0:0:0/56
  • 2001:250:7421:900:0:0:0:0/56
  • 2001:250:7421:a00:0:0:0:0/56
  • 2001:250:7421:b00:0:0:0:0/56
  • 2001:250:7421:c00:0:0:0:0/56
  • 2001:250:7421:d00:0:0:0:0/56
  • 2001:250:7421:e00:0:0:0:0/56
  • 2001:250:7421:f00:0:0:0:0/56
  • 2001:250:7421:1000:0:0:0:0/56
  • 2001:250:7421:1100:0:0:0:0/56
  • 2001:250:7421:1200:0:0:0:0/56
  • 2001:250:7421:1300:0:0:0:0/56
  • 2001:250:7421:1400:0:0:0:0/56
  • 2001:250:7421:1500:0:0:0:0/56
  • 2001:250:7421:1600:0:0:0:0/56
  • 2001:250:7421:1700:0:0:0:0/56
  • 2001:250:7421:1800:0:0:0:0/56
  • 2001:250:7421:1900:0:0:0:0/56
  • 2001:250:7421:1a00:0:0:0:0/56
  • 2001:250:7421:1b00:0:0:0:0/56
  • 2001:250:7421:1c00:0:0:0:0/56
  • 2001:250:7421:1d00:0:0:0:0/56
  • 2001:250:7421:1e00:0:0:0:0/56
  • 2001:250:7421:1f00:0:0:0:0/56
  • 2001:250:7421:2000:0:0:0:0/56
  • 2001:250:7421:2100:0:0:0:0/56
  • 2001:250:7421:2200:0:0:0:0/56
  • 2001:250:7421:2300:0:0:0:0/56
  • 2001:250:7421:2400:0:0:0:0/56
  • 2001:250:7421:2500:0:0:0:0/56
  • 2001:250:7421:2600:0:0:0:0/56
  • 2001:250:7421:2700:0:0:0:0/56
  • 2001:250:7421:2800:0:0:0:0/56
  • 2001:250:7421:2900:0:0:0:0/56
  • 2001:250:7421:2a00:0:0:0:0/56
  • 2001:250:7421:2b00:0:0:0:0/56
  • 2001:250:7421:2c00:0:0:0:0/56
  • 2001:250:7421:2d00:0:0:0:0/56
  • 2001:250:7421:2e00:0:0:0:0/56
  • 2001:250:7421:2f00:0:0:0:0/56
  • 2001:250:7421:3000:0:0:0:0/56
  • 2001:250:7421:3100:0:0:0:0/56
  • 2001:250:7421:3200:0:0:0:0/56
  • 2001:250:7421:3300:0:0:0:0/56
  • 2001:250:7421:3400:0:0:0:0/56
  • 2001:250:7421:3500:0:0:0:0/56
  • 2001:250:7421:3600:0:0:0:0/56
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  • 2001:250:7421:3900:0:0:0:0/56
  • 2001:250:7421:3a00:0:0:0:0/56
  • 2001:250:7421:3b00:0:0:0:0/56
  • 2001:250:7421:3c00:0:0:0:0/56
  • 2001:250:7421:3d00:0:0:0:0/56
  • 2001:250:7421:3e00:0:0:0:0/56
  • 2001:250:7421:3f00:0:0:0:0/56
  • 2001:250:7421:4000:0:0:0:0/56
  • 2001:250:7421:4100:0:0:0:0/56
  • 2001:250:7421:4200:0:0:0:0/56
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  • 2001:250:7421:4d00:0:0:0:0/56
  • 2001:250:7421:4e00:0:0:0:0/56
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  • 2001:250:7421:5000:0:0:0:0/56
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  • 2001:250:7421:5200:0:0:0:0/56
  • 2001:250:7421:5300:0:0:0:0/56
  • 2001:250:7421:5400:0:0:0:0/56
  • 2001:250:7421:5500:0:0:0:0/56
  • 2001:250:7421:5600:0:0:0:0/56
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  • 2001:250:7421:6000:0:0:0:0/56
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  • 2001:250:7421:6200:0:0:0:0/56
  • 2001:250:7421:6300:0:0:0:0/56
  • 2001:250:7421:6400:0:0:0:0/56
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  • 2001:250:7421:6900:0:0:0:0/56
  • 2001:250:7421:6a00:0:0:0:0/56
  • 2001:250:7421:6b00:0:0:0:0/56
  • 2001:250:7421:6c00:0:0:0:0/56
  • 2001:250:7421:6d00:0:0:0:0/56
  • 2001:250:7421:6e00:0:0:0:0/56
  • 2001:250:7421:6f00:0:0:0:0/56
  • 2001:250:7421:7000:0:0:0:0/56
  • 2001:250:7421:7100:0:0:0:0/56
  • 2001:250:7421:7200:0:0:0:0/56
  • 2001:250:7421:7300:0:0:0:0/56
  • 2001:250:7421:7400:0:0:0:0/56
  • 2001:250:7421:7500:0:0:0:0/56
  • 2001:250:7421:7600:0:0:0:0/56
  • 2001:250:7421:7700:0:0:0:0/56
  • 2001:250:7421:7800:0:0:0:0/56
  • 2001:250:7421:7900:0:0:0:0/56
  • 2001:250:7421:7a00:0:0:0:0/56
  • 2001:250:7421:7b00:0:0:0:0/56
  • 2001:250:7421:7c00:0:0:0:0/56
  • 2001:250:7421:7d00:0:0:0:0/56
  • 2001:250:7421:7e00:0:0:0:0/56
  • 2001:250:7421:7f00:0:0:0:0/56
  • 2001:250:7421:8000:0:0:0:0/56
  • 2001:250:7421:8100:0:0:0:0/56
  • 2001:250:7421:8200:0:0:0:0/56
  • 2001:250:7421:8300:0:0:0:0/56
  • 2001:250:7421:8400:0:0:0:0/56
  • 2001:250:7421:8500:0:0:0:0/56
  • 2001:250:7421:8600:0:0:0:0/56
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  • 2001:250:7421:8800:0:0:0:0/56
  • 2001:250:7421:8900:0:0:0:0/56
  • 2001:250:7421:8a00:0:0:0:0/56
  • 2001:250:7421:8b00:0:0:0:0/56
  • 2001:250:7421:8c00:0:0:0:0/56
  • 2001:250:7421:8d00:0:0:0:0/56
  • 2001:250:7421:8e00:0:0:0:0/56
  • 2001:250:7421:8f00:0:0:0:0/56
  • 2001:250:7421:9000:0:0:0:0/56
  • 2001:250:7421:9100:0:0:0:0/56
  • 2001:250:7421:9200:0:0:0:0/56
  • 2001:250:7421:9300:0:0:0:0/56
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  • 2001:250:7421:9800:0:0:0:0/56
  • 2001:250:7421:9900:0:0:0:0/56
  • 2001:250:7421:9a00:0:0:0:0/56
  • 2001:250:7421:9b00:0:0:0:0/56
  • 2001:250:7421:9c00:0:0:0:0/56
  • 2001:250:7421:9d00:0:0:0:0/56
  • 2001:250:7421:9e00:0:0:0:0/56
  • 2001:250:7421:9f00:0:0:0:0/56
  • 2001:250:7421:a000:0:0:0:0/56
  • 2001:250:7421:a100:0:0:0:0/56
  • 2001:250:7421:a200:0:0:0:0/56
  • 2001:250:7421:a300:0:0:0:0/56
  • 2001:250:7421:a400:0:0:0:0/56
  • 2001:250:7421:a500:0:0:0:0/56
  • 2001:250:7421:a600:0:0:0:0/56
  • 2001:250:7421:a700:0:0:0:0/56
  • 2001:250:7421:a800:0:0:0:0/56
  • 2001:250:7421:a900:0:0:0:0/56
  • 2001:250:7421:aa00:0:0:0:0/56
  • 2001:250:7421:ab00:0:0:0:0/56
  • 2001:250:7421:ac00:0:0:0:0/56
  • 2001:250:7421:ad00:0:0:0:0/56
  • 2001:250:7421:ae00:0:0:0:0/56
  • 2001:250:7421:af00:0:0:0:0/56
  • 2001:250:7421:b000:0:0:0:0/56
  • 2001:250:7421:b100:0:0:0:0/56
  • 2001:250:7421:b200:0:0:0:0/56
  • 2001:250:7421:b300:0:0:0:0/56
  • 2001:250:7421:b400:0:0:0:0/56
  • 2001:250:7421:b500:0:0:0:0/56
  • 2001:250:7421:b600:0:0:0:0/56
  • 2001:250:7421:b700:0:0:0:0/56
  • 2001:250:7421:b800:0:0:0:0/56
  • 2001:250:7421:b900:0:0:0:0/56
  • 2001:250:7421:ba00:0:0:0:0/56
  • 2001:250:7421:bb00:0:0:0:0/56
  • 2001:250:7421:bc00:0:0:0:0/56
  • 2001:250:7421:bd00:0:0:0:0/56
  • 2001:250:7421:be00:0:0:0:0/56
  • 2001:250:7421:bf00:0:0:0:0/56
  • 2001:250:7421:c000:0:0:0:0/56
  • 2001:250:7421:c100:0:0:0:0/56
  • 2001:250:7421:c200:0:0:0:0/56
  • 2001:250:7421:c300:0:0:0:0/56
  • 2001:250:7421:c400:0:0:0:0/56
  • 2001:250:7421:c500:0:0:0:0/56
  • 2001:250:7421:c600:0:0:0:0/56
  • 2001:250:7421:c700:0:0:0:0/56
  • 2001:250:7421:c800:0:0:0:0/56
  • 2001:250:7421:c900:0:0:0:0/56
  • 2001:250:7421:ca00:0:0:0:0/56
  • 2001:250:7421:cb00:0:0:0:0/56
  • 2001:250:7421:cc00:0:0:0:0/56
  • 2001:250:7421:cd00:0:0:0:0/56
  • 2001:250:7421:ce00:0:0:0:0/56
  • 2001:250:7421:cf00:0:0:0:0/56
  • 2001:250:7421:d000:0:0:0:0/56
  • 2001:250:7421:d100:0:0:0:0/56
  • 2001:250:7421:d200:0:0:0:0/56
  • 2001:250:7421:d300:0:0:0:0/56
  • 2001:250:7421:d400:0:0:0:0/56
  • 2001:250:7421:d500:0:0:0:0/56
  • 2001:250:7421:d600:0:0:0:0/56
  • 2001:250:7421:d700:0:0:0:0/56
  • 2001:250:7421:d800:0:0:0:0/56
  • 2001:250:7421:d900:0:0:0:0/56
  • 2001:250:7421:da00:0:0:0:0/56
  • 2001:250:7421:db00:0:0:0:0/56
  • 2001:250:7421:dc00:0:0:0:0/56
  • 2001:250:7421:dd00:0:0:0:0/56
  • 2001:250:7421:de00:0:0:0:0/56
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  • 2001:250:7421:e000:0:0:0:0/56
  • 2001:250:7421:e100:0:0:0:0/56
  • 2001:250:7421:e200:0:0:0:0/56
  • 2001:250:7421:e300:0:0:0:0/56
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  • 2001:250:7421:e500:0:0:0:0/56
  • 2001:250:7421:e600:0:0:0:0/56
  • 2001:250:7421:e700:0:0:0:0/56
  • 2001:250:7421:e800:0:0:0:0/56
  • 2001:250:7421:e900:0:0:0:0/56
  • 2001:250:7421:ea00:0:0:0:0/56
  • 2001:250:7421:eb00:0:0:0:0/56
  • 2001:250:7421:ec00:0:0:0:0/56
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  • 2001:250:7421:f000:0:0:0:0/56
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  • 2001:250:7421:f600:0:0:0:0/56
  • 2001:250:7421:f700:0:0:0:0/56
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  • 2001:250:7421:f900:0:0:0:0/56
  • 2001:250:7421:fa00:0:0:0:0/56
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  • 2001:250:7421:fc00:0:0:0:0/56
  • 2001:250:7421:fd00:0:0:0:0/56
  • 2001:250:7421:fe00:0:0:0:0/56
  • 2001:250:7421:ff00:0:0:0:0/56

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