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 2023-12-14
mnt-by: MAINT-CERNET-AP
last-modified: 2023-12-14T03:44:39Z
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 2023-12-14
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2023-12-14T03:44:51Z
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 2001:250:303e::/48 subnet

  • 2001:250:303e:0:0:0:0:0/56
  • 2001:250:303e:100:0:0:0:0/56
  • 2001:250:303e:200:0:0:0:0/56
  • 2001:250:303e:300:0:0:0:0/56
  • 2001:250:303e:400:0:0:0:0/56
  • 2001:250:303e:500:0:0:0:0/56
  • 2001:250:303e:600:0:0:0:0/56
  • 2001:250:303e:700:0:0:0:0/56
  • 2001:250:303e:800:0:0:0:0/56
  • 2001:250:303e:900:0:0:0:0/56
  • 2001:250:303e:a00:0:0:0:0/56
  • 2001:250:303e:b00:0:0:0:0/56
  • 2001:250:303e:c00:0:0:0:0/56
  • 2001:250:303e:d00:0:0:0:0/56
  • 2001:250:303e:e00:0:0:0:0/56
  • 2001:250:303e:f00:0:0:0:0/56
  • 2001:250:303e:1000:0:0:0:0/56
  • 2001:250:303e:1100:0:0:0:0/56
  • 2001:250:303e:1200:0:0:0:0/56
  • 2001:250:303e:1300:0:0:0:0/56
  • 2001:250:303e:1400:0:0:0:0/56
  • 2001:250:303e:1500:0:0:0:0/56
  • 2001:250:303e:1600:0:0:0:0/56
  • 2001:250:303e:1700:0:0:0:0/56
  • 2001:250:303e:1800:0:0:0:0/56
  • 2001:250:303e:1900:0:0:0:0/56
  • 2001:250:303e:1a00:0:0:0:0/56
  • 2001:250:303e:1b00:0:0:0:0/56
  • 2001:250:303e:1c00:0:0:0:0/56
  • 2001:250:303e:1d00:0:0:0:0/56
  • 2001:250:303e:1e00:0:0:0:0/56
  • 2001:250:303e:1f00:0:0:0:0/56
  • 2001:250:303e:2000:0:0:0:0/56
  • 2001:250:303e:2100:0:0:0:0/56
  • 2001:250:303e:2200:0:0:0:0/56
  • 2001:250:303e:2300:0:0:0:0/56
  • 2001:250:303e:2400:0:0:0:0/56
  • 2001:250:303e:2500:0:0:0:0/56
  • 2001:250:303e:2600:0:0:0:0/56
  • 2001:250:303e:2700:0:0:0:0/56
  • 2001:250:303e:2800:0:0:0:0/56
  • 2001:250:303e:2900:0:0:0:0/56
  • 2001:250:303e:2a00:0:0:0:0/56
  • 2001:250:303e:2b00:0:0:0:0/56
  • 2001:250:303e:2c00:0:0:0:0/56
  • 2001:250:303e:2d00:0:0:0:0/56
  • 2001:250:303e:2e00:0:0:0:0/56
  • 2001:250:303e:2f00:0:0:0:0/56
  • 2001:250:303e:3000:0:0:0:0/56
  • 2001:250:303e:3100:0:0:0:0/56
  • 2001:250:303e:3200:0:0:0:0/56
  • 2001:250:303e:3300:0:0:0:0/56
  • 2001:250:303e:3400:0:0:0:0/56
  • 2001:250:303e:3500:0:0:0:0/56
  • 2001:250:303e:3600:0:0:0:0/56
  • 2001:250:303e:3700:0:0:0:0/56
  • 2001:250:303e:3800:0:0:0:0/56
  • 2001:250:303e:3900:0:0:0:0/56
  • 2001:250:303e:3a00:0:0:0:0/56
  • 2001:250:303e:3b00:0:0:0:0/56
  • 2001:250:303e:3c00:0:0:0:0/56
  • 2001:250:303e:3d00:0:0:0:0/56
  • 2001:250:303e:3e00:0:0:0:0/56
  • 2001:250:303e:3f00:0:0:0:0/56
  • 2001:250:303e:4000:0:0:0:0/56
  • 2001:250:303e:4100:0:0:0:0/56
  • 2001:250:303e:4200:0:0:0:0/56
  • 2001:250:303e:4300:0:0:0:0/56
  • 2001:250:303e:4400:0:0:0:0/56
  • 2001:250:303e:4500:0:0:0:0/56
  • 2001:250:303e:4600:0:0:0:0/56
  • 2001:250:303e:4700:0:0:0:0/56
  • 2001:250:303e:4800:0:0:0:0/56
  • 2001:250:303e:4900:0:0:0:0/56
  • 2001:250:303e:4a00:0:0:0:0/56
  • 2001:250:303e:4b00:0:0:0:0/56
  • 2001:250:303e:4c00:0:0:0:0/56
  • 2001:250:303e:4d00:0:0:0:0/56
  • 2001:250:303e:4e00:0:0:0:0/56
  • 2001:250:303e:4f00:0:0:0:0/56
  • 2001:250:303e:5000:0:0:0:0/56
  • 2001:250:303e:5100:0:0:0:0/56
  • 2001:250:303e:5200:0:0:0:0/56
  • 2001:250:303e:5300:0:0:0:0/56
  • 2001:250:303e:5400:0:0:0:0/56
  • 2001:250:303e:5500:0:0:0:0/56
  • 2001:250:303e:5600:0:0:0:0/56
  • 2001:250:303e:5700:0:0:0:0/56
  • 2001:250:303e:5800:0:0:0:0/56
  • 2001:250:303e:5900:0:0:0:0/56
  • 2001:250:303e:5a00:0:0:0:0/56
  • 2001:250:303e:5b00:0:0:0:0/56
  • 2001:250:303e:5c00:0:0:0:0/56
  • 2001:250:303e:5d00:0:0:0:0/56
  • 2001:250:303e:5e00:0:0:0:0/56
  • 2001:250:303e:5f00:0:0:0:0/56
  • 2001:250:303e:6000:0:0:0:0/56
  • 2001:250:303e:6100:0:0:0:0/56
  • 2001:250:303e:6200:0:0:0:0/56
  • 2001:250:303e:6300:0:0:0:0/56
  • 2001:250:303e:6400:0:0:0:0/56
  • 2001:250:303e:6500:0:0:0:0/56
  • 2001:250:303e:6600:0:0:0:0/56
  • 2001:250:303e:6700:0:0:0:0/56
  • 2001:250:303e:6800:0:0:0:0/56
  • 2001:250:303e:6900:0:0:0:0/56
  • 2001:250:303e:6a00:0:0:0:0/56
  • 2001:250:303e:6b00:0:0:0:0/56
  • 2001:250:303e:6c00:0:0:0:0/56
  • 2001:250:303e:6d00:0:0:0:0/56
  • 2001:250:303e:6e00:0:0:0:0/56
  • 2001:250:303e:6f00:0:0:0:0/56
  • 2001:250:303e:7000:0:0:0:0/56
  • 2001:250:303e:7100:0:0:0:0/56
  • 2001:250:303e:7200:0:0:0:0/56
  • 2001:250:303e:7300:0:0:0:0/56
  • 2001:250:303e:7400:0:0:0:0/56
  • 2001:250:303e:7500:0:0:0:0/56
  • 2001:250:303e:7600:0:0:0:0/56
  • 2001:250:303e:7700:0:0:0:0/56
  • 2001:250:303e:7800:0:0:0:0/56
  • 2001:250:303e:7900:0:0:0:0/56
  • 2001:250:303e:7a00:0:0:0:0/56
  • 2001:250:303e:7b00:0:0:0:0/56
  • 2001:250:303e:7c00:0:0:0:0/56
  • 2001:250:303e:7d00:0:0:0:0/56
  • 2001:250:303e:7e00:0:0:0:0/56
  • 2001:250:303e:7f00:0:0:0:0/56
  • 2001:250:303e:8000:0:0:0:0/56
  • 2001:250:303e:8100:0:0:0:0/56
  • 2001:250:303e:8200:0:0:0:0/56
  • 2001:250:303e:8300:0:0:0:0/56
  • 2001:250:303e:8400:0:0:0:0/56
  • 2001:250:303e:8500:0:0:0:0/56
  • 2001:250:303e:8600:0:0:0:0/56
  • 2001:250:303e:8700:0:0:0:0/56
  • 2001:250:303e:8800:0:0:0:0/56
  • 2001:250:303e:8900:0:0:0:0/56
  • 2001:250:303e:8a00:0:0:0:0/56
  • 2001:250:303e:8b00:0:0:0:0/56
  • 2001:250:303e:8c00:0:0:0:0/56
  • 2001:250:303e:8d00:0:0:0:0/56
  • 2001:250:303e:8e00:0:0:0:0/56
  • 2001:250:303e:8f00:0:0:0:0/56
  • 2001:250:303e:9000:0:0:0:0/56
  • 2001:250:303e:9100:0:0:0:0/56
  • 2001:250:303e:9200:0:0:0:0/56
  • 2001:250:303e:9300:0:0:0:0/56
  • 2001:250:303e:9400:0:0:0:0/56
  • 2001:250:303e:9500:0:0:0:0/56
  • 2001:250:303e:9600:0:0:0:0/56
  • 2001:250:303e:9700:0:0:0:0/56
  • 2001:250:303e:9800:0:0:0:0/56
  • 2001:250:303e:9900:0:0:0:0/56
  • 2001:250:303e:9a00:0:0:0:0/56
  • 2001:250:303e:9b00:0:0:0:0/56
  • 2001:250:303e:9c00:0:0:0:0/56
  • 2001:250:303e:9d00:0:0:0:0/56
  • 2001:250:303e:9e00:0:0:0:0/56
  • 2001:250:303e:9f00:0:0:0:0/56
  • 2001:250:303e:a000:0:0:0:0/56
  • 2001:250:303e:a100:0:0:0:0/56
  • 2001:250:303e:a200:0:0:0:0/56
  • 2001:250:303e:a300:0:0:0:0/56
  • 2001:250:303e:a400:0:0:0:0/56
  • 2001:250:303e:a500:0:0:0:0/56
  • 2001:250:303e:a600:0:0:0:0/56
  • 2001:250:303e:a700:0:0:0:0/56
  • 2001:250:303e:a800:0:0:0:0/56
  • 2001:250:303e:a900:0:0:0:0/56
  • 2001:250:303e:aa00:0:0:0:0/56
  • 2001:250:303e:ab00:0:0:0:0/56
  • 2001:250:303e:ac00:0:0:0:0/56
  • 2001:250:303e:ad00:0:0:0:0/56
  • 2001:250:303e:ae00:0:0:0:0/56
  • 2001:250:303e:af00:0:0:0:0/56
  • 2001:250:303e:b000:0:0:0:0/56
  • 2001:250:303e:b100:0:0:0:0/56
  • 2001:250:303e:b200:0:0:0:0/56
  • 2001:250:303e:b300:0:0:0:0/56
  • 2001:250:303e:b400:0:0:0:0/56
  • 2001:250:303e:b500:0:0:0:0/56
  • 2001:250:303e:b600:0:0:0:0/56
  • 2001:250:303e:b700:0:0:0:0/56
  • 2001:250:303e:b800:0:0:0:0/56
  • 2001:250:303e:b900:0:0:0:0/56
  • 2001:250:303e:ba00:0:0:0:0/56
  • 2001:250:303e:bb00:0:0:0:0/56
  • 2001:250:303e:bc00:0:0:0:0/56
  • 2001:250:303e:bd00:0:0:0:0/56
  • 2001:250:303e:be00:0:0:0:0/56
  • 2001:250:303e:bf00:0:0:0:0/56
  • 2001:250:303e:c000:0:0:0:0/56
  • 2001:250:303e:c100:0:0:0:0/56
  • 2001:250:303e:c200:0:0:0:0/56
  • 2001:250:303e:c300:0:0:0:0/56
  • 2001:250:303e:c400:0:0:0:0/56
  • 2001:250:303e:c500:0:0:0:0/56
  • 2001:250:303e:c600:0:0:0:0/56
  • 2001:250:303e:c700:0:0:0:0/56
  • 2001:250:303e:c800:0:0:0:0/56
  • 2001:250:303e:c900:0:0:0:0/56
  • 2001:250:303e:ca00:0:0:0:0/56
  • 2001:250:303e:cb00:0:0:0:0/56
  • 2001:250:303e:cc00:0:0:0:0/56
  • 2001:250:303e:cd00:0:0:0:0/56
  • 2001:250:303e:ce00:0:0:0:0/56
  • 2001:250:303e:cf00:0:0:0:0/56
  • 2001:250:303e:d000:0:0:0:0/56
  • 2001:250:303e:d100:0:0:0:0/56
  • 2001:250:303e:d200:0:0:0:0/56
  • 2001:250:303e:d300:0:0:0:0/56
  • 2001:250:303e:d400:0:0:0:0/56
  • 2001:250:303e:d500:0:0:0:0/56
  • 2001:250:303e:d600:0:0:0:0/56
  • 2001:250:303e:d700:0:0:0:0/56
  • 2001:250:303e:d800:0:0:0:0/56
  • 2001:250:303e:d900:0:0:0:0/56
  • 2001:250:303e:da00:0:0:0:0/56
  • 2001:250:303e:db00:0:0:0:0/56
  • 2001:250:303e:dc00:0:0:0:0/56
  • 2001:250:303e:dd00:0:0:0:0/56
  • 2001:250:303e:de00:0:0:0:0/56
  • 2001:250:303e:df00:0:0:0:0/56
  • 2001:250:303e:e000:0:0:0:0/56
  • 2001:250:303e:e100:0:0:0:0/56
  • 2001:250:303e:e200:0:0:0:0/56
  • 2001:250:303e:e300:0:0:0:0/56
  • 2001:250:303e:e400:0:0:0:0/56
  • 2001:250:303e:e500:0:0:0:0/56
  • 2001:250:303e:e600:0:0:0:0/56
  • 2001:250:303e:e700:0:0:0:0/56
  • 2001:250:303e:e800:0:0:0:0/56
  • 2001:250:303e:e900:0:0:0:0/56
  • 2001:250:303e:ea00:0:0:0:0/56
  • 2001:250:303e:eb00:0:0:0:0/56
  • 2001:250:303e:ec00:0:0:0:0/56
  • 2001:250:303e:ed00:0:0:0:0/56
  • 2001:250:303e:ee00:0:0:0:0/56
  • 2001:250:303e:ef00:0:0:0:0/56
  • 2001:250:303e:f000:0:0:0:0/56
  • 2001:250:303e:f100:0:0:0:0/56
  • 2001:250:303e:f200:0:0:0:0/56
  • 2001:250:303e:f300:0:0:0:0/56
  • 2001:250:303e:f400:0:0:0:0/56
  • 2001:250:303e:f500:0:0:0:0/56
  • 2001:250:303e:f600:0:0:0:0/56
  • 2001:250:303e:f700:0:0:0:0/56
  • 2001:250:303e:f800:0:0:0:0/56
  • 2001:250:303e:f900:0:0:0:0/56
  • 2001:250:303e:fa00:0:0:0:0/56
  • 2001:250:303e:fb00:0:0:0:0/56
  • 2001:250:303e:fc00:0:0:0:0/56
  • 2001:250:303e:fd00:0:0:0:0/56
  • 2001:250:303e:fe00:0:0:0:0/56
  • 2001:250:303e:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up