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 2001:250:5820::/48 subnet

  • 2001:250:5820:0:0:0:0:0/56
  • 2001:250:5820:100:0:0:0:0/56
  • 2001:250:5820:200:0:0:0:0/56
  • 2001:250:5820:300:0:0:0:0/56
  • 2001:250:5820:400:0:0:0:0/56
  • 2001:250:5820:500:0:0:0:0/56
  • 2001:250:5820:600:0:0:0:0/56
  • 2001:250:5820:700:0:0:0:0/56
  • 2001:250:5820:800:0:0:0:0/56
  • 2001:250:5820:900:0:0:0:0/56
  • 2001:250:5820:a00:0:0:0:0/56
  • 2001:250:5820:b00:0:0:0:0/56
  • 2001:250:5820:c00:0:0:0:0/56
  • 2001:250:5820:d00:0:0:0:0/56
  • 2001:250:5820:e00:0:0:0:0/56
  • 2001:250:5820:f00:0:0:0:0/56
  • 2001:250:5820:1000:0:0:0:0/56
  • 2001:250:5820:1100:0:0:0:0/56
  • 2001:250:5820:1200:0:0:0:0/56
  • 2001:250:5820:1300:0:0:0:0/56
  • 2001:250:5820:1400:0:0:0:0/56
  • 2001:250:5820:1500:0:0:0:0/56
  • 2001:250:5820:1600:0:0:0:0/56
  • 2001:250:5820:1700:0:0:0:0/56
  • 2001:250:5820:1800:0:0:0:0/56
  • 2001:250:5820:1900:0:0:0:0/56
  • 2001:250:5820:1a00:0:0:0:0/56
  • 2001:250:5820:1b00:0:0:0:0/56
  • 2001:250:5820:1c00:0:0:0:0/56
  • 2001:250:5820:1d00:0:0:0:0/56
  • 2001:250:5820:1e00:0:0:0:0/56
  • 2001:250:5820:1f00:0:0:0:0/56
  • 2001:250:5820:2000:0:0:0:0/56
  • 2001:250:5820:2100:0:0:0:0/56
  • 2001:250:5820:2200:0:0:0:0/56
  • 2001:250:5820:2300:0:0:0:0/56
  • 2001:250:5820:2400:0:0:0:0/56
  • 2001:250:5820:2500:0:0:0:0/56
  • 2001:250:5820:2600:0:0:0:0/56
  • 2001:250:5820:2700:0:0:0:0/56
  • 2001:250:5820:2800:0:0:0:0/56
  • 2001:250:5820:2900:0:0:0:0/56
  • 2001:250:5820:2a00:0:0:0:0/56
  • 2001:250:5820:2b00:0:0:0:0/56
  • 2001:250:5820:2c00:0:0:0:0/56
  • 2001:250:5820:2d00:0:0:0:0/56
  • 2001:250:5820:2e00:0:0:0:0/56
  • 2001:250:5820:2f00:0:0:0:0/56
  • 2001:250:5820:3000:0:0:0:0/56
  • 2001:250:5820:3100:0:0:0:0/56
  • 2001:250:5820:3200:0:0:0:0/56
  • 2001:250:5820:3300:0:0:0:0/56
  • 2001:250:5820:3400:0:0:0:0/56
  • 2001:250:5820:3500:0:0:0:0/56
  • 2001:250:5820:3600:0:0:0:0/56
  • 2001:250:5820:3700:0:0:0:0/56
  • 2001:250:5820:3800:0:0:0:0/56
  • 2001:250:5820:3900:0:0:0:0/56
  • 2001:250:5820:3a00:0:0:0:0/56
  • 2001:250:5820:3b00:0:0:0:0/56
  • 2001:250:5820:3c00:0:0:0:0/56
  • 2001:250:5820:3d00:0:0:0:0/56
  • 2001:250:5820:3e00:0:0:0:0/56
  • 2001:250:5820:3f00:0:0:0:0/56
  • 2001:250:5820:4000:0:0:0:0/56
  • 2001:250:5820:4100:0:0:0:0/56
  • 2001:250:5820:4200:0:0:0:0/56
  • 2001:250:5820:4300:0:0:0:0/56
  • 2001:250:5820:4400:0:0:0:0/56
  • 2001:250:5820:4500:0:0:0:0/56
  • 2001:250:5820:4600:0:0:0:0/56
  • 2001:250:5820:4700:0:0:0:0/56
  • 2001:250:5820:4800:0:0:0:0/56
  • 2001:250:5820:4900:0:0:0:0/56
  • 2001:250:5820:4a00:0:0:0:0/56
  • 2001:250:5820:4b00:0:0:0:0/56
  • 2001:250:5820:4c00:0:0:0:0/56
  • 2001:250:5820:4d00:0:0:0:0/56
  • 2001:250:5820:4e00:0:0:0:0/56
  • 2001:250:5820:4f00:0:0:0:0/56
  • 2001:250:5820:5000:0:0:0:0/56
  • 2001:250:5820:5100:0:0:0:0/56
  • 2001:250:5820:5200:0:0:0:0/56
  • 2001:250:5820:5300:0:0:0:0/56
  • 2001:250:5820:5400:0:0:0:0/56
  • 2001:250:5820:5500:0:0:0:0/56
  • 2001:250:5820:5600:0:0:0:0/56
  • 2001:250:5820:5700:0:0:0:0/56
  • 2001:250:5820:5800:0:0:0:0/56
  • 2001:250:5820:5900:0:0:0:0/56
  • 2001:250:5820:5a00:0:0:0:0/56
  • 2001:250:5820:5b00:0:0:0:0/56
  • 2001:250:5820:5c00:0:0:0:0/56
  • 2001:250:5820:5d00:0:0:0:0/56
  • 2001:250:5820:5e00:0:0:0:0/56
  • 2001:250:5820:5f00:0:0:0:0/56
  • 2001:250:5820:6000:0:0:0:0/56
  • 2001:250:5820:6100:0:0:0:0/56
  • 2001:250:5820:6200:0:0:0:0/56
  • 2001:250:5820:6300:0:0:0:0/56
  • 2001:250:5820:6400:0:0:0:0/56
  • 2001:250:5820:6500:0:0:0:0/56
  • 2001:250:5820:6600:0:0:0:0/56
  • 2001:250:5820:6700:0:0:0:0/56
  • 2001:250:5820:6800:0:0:0:0/56
  • 2001:250:5820:6900:0:0:0:0/56
  • 2001:250:5820:6a00:0:0:0:0/56
  • 2001:250:5820:6b00:0:0:0:0/56
  • 2001:250:5820:6c00:0:0:0:0/56
  • 2001:250:5820:6d00:0:0:0:0/56
  • 2001:250:5820:6e00:0:0:0:0/56
  • 2001:250:5820:6f00:0:0:0:0/56
  • 2001:250:5820:7000:0:0:0:0/56
  • 2001:250:5820:7100:0:0:0:0/56
  • 2001:250:5820:7200:0:0:0:0/56
  • 2001:250:5820:7300:0:0:0:0/56
  • 2001:250:5820:7400:0:0:0:0/56
  • 2001:250:5820:7500:0:0:0:0/56
  • 2001:250:5820:7600:0:0:0:0/56
  • 2001:250:5820:7700:0:0:0:0/56
  • 2001:250:5820:7800:0:0:0:0/56
  • 2001:250:5820:7900:0:0:0:0/56
  • 2001:250:5820:7a00:0:0:0:0/56
  • 2001:250:5820:7b00:0:0:0:0/56
  • 2001:250:5820:7c00:0:0:0:0/56
  • 2001:250:5820:7d00:0:0:0:0/56
  • 2001:250:5820:7e00:0:0:0:0/56
  • 2001:250:5820:7f00:0:0:0:0/56
  • 2001:250:5820:8000:0:0:0:0/56
  • 2001:250:5820:8100:0:0:0:0/56
  • 2001:250:5820:8200:0:0:0:0/56
  • 2001:250:5820:8300:0:0:0:0/56
  • 2001:250:5820:8400:0:0:0:0/56
  • 2001:250:5820:8500:0:0:0:0/56
  • 2001:250:5820:8600:0:0:0:0/56
  • 2001:250:5820:8700:0:0:0:0/56
  • 2001:250:5820:8800:0:0:0:0/56
  • 2001:250:5820:8900:0:0:0:0/56
  • 2001:250:5820:8a00:0:0:0:0/56
  • 2001:250:5820:8b00:0:0:0:0/56
  • 2001:250:5820:8c00:0:0:0:0/56
  • 2001:250:5820:8d00:0:0:0:0/56
  • 2001:250:5820:8e00:0:0:0:0/56
  • 2001:250:5820:8f00:0:0:0:0/56
  • 2001:250:5820:9000:0:0:0:0/56
  • 2001:250:5820:9100:0:0:0:0/56
  • 2001:250:5820:9200:0:0:0:0/56
  • 2001:250:5820:9300:0:0:0:0/56
  • 2001:250:5820:9400:0:0:0:0/56
  • 2001:250:5820:9500:0:0:0:0/56
  • 2001:250:5820:9600:0:0:0:0/56
  • 2001:250:5820:9700:0:0:0:0/56
  • 2001:250:5820:9800:0:0:0:0/56
  • 2001:250:5820:9900:0:0:0:0/56
  • 2001:250:5820:9a00:0:0:0:0/56
  • 2001:250:5820:9b00:0:0:0:0/56
  • 2001:250:5820:9c00:0:0:0:0/56
  • 2001:250:5820:9d00:0:0:0:0/56
  • 2001:250:5820:9e00:0:0:0:0/56
  • 2001:250:5820:9f00:0:0:0:0/56
  • 2001:250:5820:a000:0:0:0:0/56
  • 2001:250:5820:a100:0:0:0:0/56
  • 2001:250:5820:a200:0:0:0:0/56
  • 2001:250:5820:a300:0:0:0:0/56
  • 2001:250:5820:a400:0:0:0:0/56
  • 2001:250:5820:a500:0:0:0:0/56
  • 2001:250:5820:a600:0:0:0:0/56
  • 2001:250:5820:a700:0:0:0:0/56
  • 2001:250:5820:a800:0:0:0:0/56
  • 2001:250:5820:a900:0:0:0:0/56
  • 2001:250:5820:aa00:0:0:0:0/56
  • 2001:250:5820:ab00:0:0:0:0/56
  • 2001:250:5820:ac00:0:0:0:0/56
  • 2001:250:5820:ad00:0:0:0:0/56
  • 2001:250:5820:ae00:0:0:0:0/56
  • 2001:250:5820:af00:0:0:0:0/56
  • 2001:250:5820:b000:0:0:0:0/56
  • 2001:250:5820:b100:0:0:0:0/56
  • 2001:250:5820:b200:0:0:0:0/56
  • 2001:250:5820:b300:0:0:0:0/56
  • 2001:250:5820:b400:0:0:0:0/56
  • 2001:250:5820:b500:0:0:0:0/56
  • 2001:250:5820:b600:0:0:0:0/56
  • 2001:250:5820:b700:0:0:0:0/56
  • 2001:250:5820:b800:0:0:0:0/56
  • 2001:250:5820:b900:0:0:0:0/56
  • 2001:250:5820:ba00:0:0:0:0/56
  • 2001:250:5820:bb00:0:0:0:0/56
  • 2001:250:5820:bc00:0:0:0:0/56
  • 2001:250:5820:bd00:0:0:0:0/56
  • 2001:250:5820:be00:0:0:0:0/56
  • 2001:250:5820:bf00:0:0:0:0/56
  • 2001:250:5820:c000:0:0:0:0/56
  • 2001:250:5820:c100:0:0:0:0/56
  • 2001:250:5820:c200:0:0:0:0/56
  • 2001:250:5820:c300:0:0:0:0/56
  • 2001:250:5820:c400:0:0:0:0/56
  • 2001:250:5820:c500:0:0:0:0/56
  • 2001:250:5820:c600:0:0:0:0/56
  • 2001:250:5820:c700:0:0:0:0/56
  • 2001:250:5820:c800:0:0:0:0/56
  • 2001:250:5820:c900:0:0:0:0/56
  • 2001:250:5820:ca00:0:0:0:0/56
  • 2001:250:5820:cb00:0:0:0:0/56
  • 2001:250:5820:cc00:0:0:0:0/56
  • 2001:250:5820:cd00:0:0:0:0/56
  • 2001:250:5820:ce00:0:0:0:0/56
  • 2001:250:5820:cf00:0:0:0:0/56
  • 2001:250:5820:d000:0:0:0:0/56
  • 2001:250:5820:d100:0:0:0:0/56
  • 2001:250:5820:d200:0:0:0:0/56
  • 2001:250:5820:d300:0:0:0:0/56
  • 2001:250:5820:d400:0:0:0:0/56
  • 2001:250:5820:d500:0:0:0:0/56
  • 2001:250:5820:d600:0:0:0:0/56
  • 2001:250:5820:d700:0:0:0:0/56
  • 2001:250:5820:d800:0:0:0:0/56
  • 2001:250:5820:d900:0:0:0:0/56
  • 2001:250:5820:da00:0:0:0:0/56
  • 2001:250:5820:db00:0:0:0:0/56
  • 2001:250:5820:dc00:0:0:0:0/56
  • 2001:250:5820:dd00:0:0:0:0/56
  • 2001:250:5820:de00:0:0:0:0/56
  • 2001:250:5820:df00:0:0:0:0/56
  • 2001:250:5820:e000:0:0:0:0/56
  • 2001:250:5820:e100:0:0:0:0/56
  • 2001:250:5820:e200:0:0:0:0/56
  • 2001:250:5820:e300:0:0:0:0/56
  • 2001:250:5820:e400:0:0:0:0/56
  • 2001:250:5820:e500:0:0:0:0/56
  • 2001:250:5820:e600:0:0:0:0/56
  • 2001:250:5820:e700:0:0:0:0/56
  • 2001:250:5820:e800:0:0:0:0/56
  • 2001:250:5820:e900:0:0:0:0/56
  • 2001:250:5820:ea00:0:0:0:0/56
  • 2001:250:5820:eb00:0:0:0:0/56
  • 2001:250:5820:ec00:0:0:0:0/56
  • 2001:250:5820:ed00:0:0:0:0/56
  • 2001:250:5820:ee00:0:0:0:0/56
  • 2001:250:5820:ef00:0:0:0:0/56
  • 2001:250:5820:f000:0:0:0:0/56
  • 2001:250:5820:f100:0:0:0:0/56
  • 2001:250:5820:f200:0:0:0:0/56
  • 2001:250:5820:f300:0:0:0:0/56
  • 2001:250:5820:f400:0:0:0:0/56
  • 2001:250:5820:f500:0:0:0:0/56
  • 2001:250:5820:f600:0:0:0:0/56
  • 2001:250:5820:f700:0:0:0:0/56
  • 2001:250:5820:f800:0:0:0:0/56
  • 2001:250:5820:f900:0:0:0:0/56
  • 2001:250:5820:fa00:0:0:0:0/56
  • 2001:250:5820:fb00:0:0:0:0/56
  • 2001:250:5820:fc00:0:0:0:0/56
  • 2001:250:5820:fd00:0:0:0:0/56
  • 2001:250:5820:fe00:0:0:0:0/56
  • 2001:250:5820:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up