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 2001:250:3071::/48 subnet

  • 2001:250:3071:0:0:0:0:0/56
  • 2001:250:3071:100:0:0:0:0/56
  • 2001:250:3071:200:0:0:0:0/56
  • 2001:250:3071:300:0:0:0:0/56
  • 2001:250:3071:400:0:0:0:0/56
  • 2001:250:3071:500:0:0:0:0/56
  • 2001:250:3071:600:0:0:0:0/56
  • 2001:250:3071:700:0:0:0:0/56
  • 2001:250:3071:800:0:0:0:0/56
  • 2001:250:3071:900:0:0:0:0/56
  • 2001:250:3071:a00:0:0:0:0/56
  • 2001:250:3071:b00:0:0:0:0/56
  • 2001:250:3071:c00:0:0:0:0/56
  • 2001:250:3071:d00:0:0:0:0/56
  • 2001:250:3071:e00:0:0:0:0/56
  • 2001:250:3071:f00:0:0:0:0/56
  • 2001:250:3071:1000:0:0:0:0/56
  • 2001:250:3071:1100:0:0:0:0/56
  • 2001:250:3071:1200:0:0:0:0/56
  • 2001:250:3071:1300:0:0:0:0/56
  • 2001:250:3071:1400:0:0:0:0/56
  • 2001:250:3071:1500:0:0:0:0/56
  • 2001:250:3071:1600:0:0:0:0/56
  • 2001:250:3071:1700:0:0:0:0/56
  • 2001:250:3071:1800:0:0:0:0/56
  • 2001:250:3071:1900:0:0:0:0/56
  • 2001:250:3071:1a00:0:0:0:0/56
  • 2001:250:3071:1b00:0:0:0:0/56
  • 2001:250:3071:1c00:0:0:0:0/56
  • 2001:250:3071:1d00:0:0:0:0/56
  • 2001:250:3071:1e00:0:0:0:0/56
  • 2001:250:3071:1f00:0:0:0:0/56
  • 2001:250:3071:2000:0:0:0:0/56
  • 2001:250:3071:2100:0:0:0:0/56
  • 2001:250:3071:2200:0:0:0:0/56
  • 2001:250:3071:2300:0:0:0:0/56
  • 2001:250:3071:2400:0:0:0:0/56
  • 2001:250:3071:2500:0:0:0:0/56
  • 2001:250:3071:2600:0:0:0:0/56
  • 2001:250:3071:2700:0:0:0:0/56
  • 2001:250:3071:2800:0:0:0:0/56
  • 2001:250:3071:2900:0:0:0:0/56
  • 2001:250:3071:2a00:0:0:0:0/56
  • 2001:250:3071:2b00:0:0:0:0/56
  • 2001:250:3071:2c00:0:0:0:0/56
  • 2001:250:3071:2d00:0:0:0:0/56
  • 2001:250:3071:2e00:0:0:0:0/56
  • 2001:250:3071:2f00:0:0:0:0/56
  • 2001:250:3071:3000:0:0:0:0/56
  • 2001:250:3071:3100:0:0:0:0/56
  • 2001:250:3071:3200:0:0:0:0/56
  • 2001:250:3071:3300:0:0:0:0/56
  • 2001:250:3071:3400:0:0:0:0/56
  • 2001:250:3071:3500:0:0:0:0/56
  • 2001:250:3071:3600:0:0:0:0/56
  • 2001:250:3071:3700:0:0:0:0/56
  • 2001:250:3071:3800:0:0:0:0/56
  • 2001:250:3071:3900:0:0:0:0/56
  • 2001:250:3071:3a00:0:0:0:0/56
  • 2001:250:3071:3b00:0:0:0:0/56
  • 2001:250:3071:3c00:0:0:0:0/56
  • 2001:250:3071:3d00:0:0:0:0/56
  • 2001:250:3071:3e00:0:0:0:0/56
  • 2001:250:3071:3f00:0:0:0:0/56
  • 2001:250:3071:4000:0:0:0:0/56
  • 2001:250:3071:4100:0:0:0:0/56
  • 2001:250:3071:4200:0:0:0:0/56
  • 2001:250:3071:4300:0:0:0:0/56
  • 2001:250:3071:4400:0:0:0:0/56
  • 2001:250:3071:4500:0:0:0:0/56
  • 2001:250:3071:4600:0:0:0:0/56
  • 2001:250:3071:4700:0:0:0:0/56
  • 2001:250:3071:4800:0:0:0:0/56
  • 2001:250:3071:4900:0:0:0:0/56
  • 2001:250:3071:4a00:0:0:0:0/56
  • 2001:250:3071:4b00:0:0:0:0/56
  • 2001:250:3071:4c00:0:0:0:0/56
  • 2001:250:3071:4d00:0:0:0:0/56
  • 2001:250:3071:4e00:0:0:0:0/56
  • 2001:250:3071:4f00:0:0:0:0/56
  • 2001:250:3071:5000:0:0:0:0/56
  • 2001:250:3071:5100:0:0:0:0/56
  • 2001:250:3071:5200:0:0:0:0/56
  • 2001:250:3071:5300:0:0:0:0/56
  • 2001:250:3071:5400:0:0:0:0/56
  • 2001:250:3071:5500:0:0:0:0/56
  • 2001:250:3071:5600:0:0:0:0/56
  • 2001:250:3071:5700:0:0:0:0/56
  • 2001:250:3071:5800:0:0:0:0/56
  • 2001:250:3071:5900:0:0:0:0/56
  • 2001:250:3071:5a00:0:0:0:0/56
  • 2001:250:3071:5b00:0:0:0:0/56
  • 2001:250:3071:5c00:0:0:0:0/56
  • 2001:250:3071:5d00:0:0:0:0/56
  • 2001:250:3071:5e00:0:0:0:0/56
  • 2001:250:3071:5f00:0:0:0:0/56
  • 2001:250:3071:6000:0:0:0:0/56
  • 2001:250:3071:6100:0:0:0:0/56
  • 2001:250:3071:6200:0:0:0:0/56
  • 2001:250:3071:6300:0:0:0:0/56
  • 2001:250:3071:6400:0:0:0:0/56
  • 2001:250:3071:6500:0:0:0:0/56
  • 2001:250:3071:6600:0:0:0:0/56
  • 2001:250:3071:6700:0:0:0:0/56
  • 2001:250:3071:6800:0:0:0:0/56
  • 2001:250:3071:6900:0:0:0:0/56
  • 2001:250:3071:6a00:0:0:0:0/56
  • 2001:250:3071:6b00:0:0:0:0/56
  • 2001:250:3071:6c00:0:0:0:0/56
  • 2001:250:3071:6d00:0:0:0:0/56
  • 2001:250:3071:6e00:0:0:0:0/56
  • 2001:250:3071:6f00:0:0:0:0/56
  • 2001:250:3071:7000:0:0:0:0/56
  • 2001:250:3071:7100:0:0:0:0/56
  • 2001:250:3071:7200:0:0:0:0/56
  • 2001:250:3071:7300:0:0:0:0/56
  • 2001:250:3071:7400:0:0:0:0/56
  • 2001:250:3071:7500:0:0:0:0/56
  • 2001:250:3071:7600:0:0:0:0/56
  • 2001:250:3071:7700:0:0:0:0/56
  • 2001:250:3071:7800:0:0:0:0/56
  • 2001:250:3071:7900:0:0:0:0/56
  • 2001:250:3071:7a00:0:0:0:0/56
  • 2001:250:3071:7b00:0:0:0:0/56
  • 2001:250:3071:7c00:0:0:0:0/56
  • 2001:250:3071:7d00:0:0:0:0/56
  • 2001:250:3071:7e00:0:0:0:0/56
  • 2001:250:3071:7f00:0:0:0:0/56
  • 2001:250:3071:8000:0:0:0:0/56
  • 2001:250:3071:8100:0:0:0:0/56
  • 2001:250:3071:8200:0:0:0:0/56
  • 2001:250:3071:8300:0:0:0:0/56
  • 2001:250:3071:8400:0:0:0:0/56
  • 2001:250:3071:8500:0:0:0:0/56
  • 2001:250:3071:8600:0:0:0:0/56
  • 2001:250:3071:8700:0:0:0:0/56
  • 2001:250:3071:8800:0:0:0:0/56
  • 2001:250:3071:8900:0:0:0:0/56
  • 2001:250:3071:8a00:0:0:0:0/56
  • 2001:250:3071:8b00:0:0:0:0/56
  • 2001:250:3071:8c00:0:0:0:0/56
  • 2001:250:3071:8d00:0:0:0:0/56
  • 2001:250:3071:8e00:0:0:0:0/56
  • 2001:250:3071:8f00:0:0:0:0/56
  • 2001:250:3071:9000:0:0:0:0/56
  • 2001:250:3071:9100:0:0:0:0/56
  • 2001:250:3071:9200:0:0:0:0/56
  • 2001:250:3071:9300:0:0:0:0/56
  • 2001:250:3071:9400:0:0:0:0/56
  • 2001:250:3071:9500:0:0:0:0/56
  • 2001:250:3071:9600:0:0:0:0/56
  • 2001:250:3071:9700:0:0:0:0/56
  • 2001:250:3071:9800:0:0:0:0/56
  • 2001:250:3071:9900:0:0:0:0/56
  • 2001:250:3071:9a00:0:0:0:0/56
  • 2001:250:3071:9b00:0:0:0:0/56
  • 2001:250:3071:9c00:0:0:0:0/56
  • 2001:250:3071:9d00:0:0:0:0/56
  • 2001:250:3071:9e00:0:0:0:0/56
  • 2001:250:3071:9f00:0:0:0:0/56
  • 2001:250:3071:a000:0:0:0:0/56
  • 2001:250:3071:a100:0:0:0:0/56
  • 2001:250:3071:a200:0:0:0:0/56
  • 2001:250:3071:a300:0:0:0:0/56
  • 2001:250:3071:a400:0:0:0:0/56
  • 2001:250:3071:a500:0:0:0:0/56
  • 2001:250:3071:a600:0:0:0:0/56
  • 2001:250:3071:a700:0:0:0:0/56
  • 2001:250:3071:a800:0:0:0:0/56
  • 2001:250:3071:a900:0:0:0:0/56
  • 2001:250:3071:aa00:0:0:0:0/56
  • 2001:250:3071:ab00:0:0:0:0/56
  • 2001:250:3071:ac00:0:0:0:0/56
  • 2001:250:3071:ad00:0:0:0:0/56
  • 2001:250:3071:ae00:0:0:0:0/56
  • 2001:250:3071:af00:0:0:0:0/56
  • 2001:250:3071:b000:0:0:0:0/56
  • 2001:250:3071:b100:0:0:0:0/56
  • 2001:250:3071:b200:0:0:0:0/56
  • 2001:250:3071:b300:0:0:0:0/56
  • 2001:250:3071:b400:0:0:0:0/56
  • 2001:250:3071:b500:0:0:0:0/56
  • 2001:250:3071:b600:0:0:0:0/56
  • 2001:250:3071:b700:0:0:0:0/56
  • 2001:250:3071:b800:0:0:0:0/56
  • 2001:250:3071:b900:0:0:0:0/56
  • 2001:250:3071:ba00:0:0:0:0/56
  • 2001:250:3071:bb00:0:0:0:0/56
  • 2001:250:3071:bc00:0:0:0:0/56
  • 2001:250:3071:bd00:0:0:0:0/56
  • 2001:250:3071:be00:0:0:0:0/56
  • 2001:250:3071:bf00:0:0:0:0/56
  • 2001:250:3071:c000:0:0:0:0/56
  • 2001:250:3071:c100:0:0:0:0/56
  • 2001:250:3071:c200:0:0:0:0/56
  • 2001:250:3071:c300:0:0:0:0/56
  • 2001:250:3071:c400:0:0:0:0/56
  • 2001:250:3071:c500:0:0:0:0/56
  • 2001:250:3071:c600:0:0:0:0/56
  • 2001:250:3071:c700:0:0:0:0/56
  • 2001:250:3071:c800:0:0:0:0/56
  • 2001:250:3071:c900:0:0:0:0/56
  • 2001:250:3071:ca00:0:0:0:0/56
  • 2001:250:3071:cb00:0:0:0:0/56
  • 2001:250:3071:cc00:0:0:0:0/56
  • 2001:250:3071:cd00:0:0:0:0/56
  • 2001:250:3071:ce00:0:0:0:0/56
  • 2001:250:3071:cf00:0:0:0:0/56
  • 2001:250:3071:d000:0:0:0:0/56
  • 2001:250:3071:d100:0:0:0:0/56
  • 2001:250:3071:d200:0:0:0:0/56
  • 2001:250:3071:d300:0:0:0:0/56
  • 2001:250:3071:d400:0:0:0:0/56
  • 2001:250:3071:d500:0:0:0:0/56
  • 2001:250:3071:d600:0:0:0:0/56
  • 2001:250:3071:d700:0:0:0:0/56
  • 2001:250:3071:d800:0:0:0:0/56
  • 2001:250:3071:d900:0:0:0:0/56
  • 2001:250:3071:da00:0:0:0:0/56
  • 2001:250:3071:db00:0:0:0:0/56
  • 2001:250:3071:dc00:0:0:0:0/56
  • 2001:250:3071:dd00:0:0:0:0/56
  • 2001:250:3071:de00:0:0:0:0/56
  • 2001:250:3071:df00:0:0:0:0/56
  • 2001:250:3071:e000:0:0:0:0/56
  • 2001:250:3071:e100:0:0:0:0/56
  • 2001:250:3071:e200:0:0:0:0/56
  • 2001:250:3071:e300:0:0:0:0/56
  • 2001:250:3071:e400:0:0:0:0/56
  • 2001:250:3071:e500:0:0:0:0/56
  • 2001:250:3071:e600:0:0:0:0/56
  • 2001:250:3071:e700:0:0:0:0/56
  • 2001:250:3071:e800:0:0:0:0/56
  • 2001:250:3071:e900:0:0:0:0/56
  • 2001:250:3071:ea00:0:0:0:0/56
  • 2001:250:3071:eb00:0:0:0:0/56
  • 2001:250:3071:ec00:0:0:0:0/56
  • 2001:250:3071:ed00:0:0:0:0/56
  • 2001:250:3071:ee00:0:0:0:0/56
  • 2001:250:3071:ef00:0:0:0:0/56
  • 2001:250:3071:f000:0:0:0:0/56
  • 2001:250:3071:f100:0:0:0:0/56
  • 2001:250:3071:f200:0:0:0:0/56
  • 2001:250:3071:f300:0:0:0:0/56
  • 2001:250:3071:f400:0:0:0:0/56
  • 2001:250:3071:f500:0:0:0:0/56
  • 2001:250:3071:f600:0:0:0:0/56
  • 2001:250:3071:f700:0:0:0:0/56
  • 2001:250:3071:f800:0:0:0:0/56
  • 2001:250:3071:f900:0:0:0:0/56
  • 2001:250:3071:fa00:0:0:0:0/56
  • 2001:250:3071:fb00:0:0:0:0/56
  • 2001:250:3071:fc00:0:0:0:0/56
  • 2001:250:3071:fd00:0:0:0:0/56
  • 2001:250:3071:fe00:0:0:0:0/56
  • 2001:250:3071:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up