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 2001:250:5031::/48 subnet

  • 2001:250:5031:0:0:0:0:0/56
  • 2001:250:5031:100:0:0:0:0/56
  • 2001:250:5031:200:0:0:0:0/56
  • 2001:250:5031:300:0:0:0:0/56
  • 2001:250:5031:400:0:0:0:0/56
  • 2001:250:5031:500:0:0:0:0/56
  • 2001:250:5031:600:0:0:0:0/56
  • 2001:250:5031:700:0:0:0:0/56
  • 2001:250:5031:800:0:0:0:0/56
  • 2001:250:5031:900:0:0:0:0/56
  • 2001:250:5031:a00:0:0:0:0/56
  • 2001:250:5031:b00:0:0:0:0/56
  • 2001:250:5031:c00:0:0:0:0/56
  • 2001:250:5031:d00:0:0:0:0/56
  • 2001:250:5031:e00:0:0:0:0/56
  • 2001:250:5031:f00:0:0:0:0/56
  • 2001:250:5031:1000:0:0:0:0/56
  • 2001:250:5031:1100:0:0:0:0/56
  • 2001:250:5031:1200:0:0:0:0/56
  • 2001:250:5031:1300:0:0:0:0/56
  • 2001:250:5031:1400:0:0:0:0/56
  • 2001:250:5031:1500:0:0:0:0/56
  • 2001:250:5031:1600:0:0:0:0/56
  • 2001:250:5031:1700:0:0:0:0/56
  • 2001:250:5031:1800:0:0:0:0/56
  • 2001:250:5031:1900:0:0:0:0/56
  • 2001:250:5031:1a00:0:0:0:0/56
  • 2001:250:5031:1b00:0:0:0:0/56
  • 2001:250:5031:1c00:0:0:0:0/56
  • 2001:250:5031:1d00:0:0:0:0/56
  • 2001:250:5031:1e00:0:0:0:0/56
  • 2001:250:5031:1f00:0:0:0:0/56
  • 2001:250:5031:2000:0:0:0:0/56
  • 2001:250:5031:2100:0:0:0:0/56
  • 2001:250:5031:2200:0:0:0:0/56
  • 2001:250:5031:2300:0:0:0:0/56
  • 2001:250:5031:2400:0:0:0:0/56
  • 2001:250:5031:2500:0:0:0:0/56
  • 2001:250:5031:2600:0:0:0:0/56
  • 2001:250:5031:2700:0:0:0:0/56
  • 2001:250:5031:2800:0:0:0:0/56
  • 2001:250:5031:2900:0:0:0:0/56
  • 2001:250:5031:2a00:0:0:0:0/56
  • 2001:250:5031:2b00:0:0:0:0/56
  • 2001:250:5031:2c00:0:0:0:0/56
  • 2001:250:5031:2d00:0:0:0:0/56
  • 2001:250:5031:2e00:0:0:0:0/56
  • 2001:250:5031:2f00:0:0:0:0/56
  • 2001:250:5031:3000:0:0:0:0/56
  • 2001:250:5031:3100:0:0:0:0/56
  • 2001:250:5031:3200:0:0:0:0/56
  • 2001:250:5031:3300:0:0:0:0/56
  • 2001:250:5031:3400:0:0:0:0/56
  • 2001:250:5031:3500:0:0:0:0/56
  • 2001:250:5031:3600:0:0:0:0/56
  • 2001:250:5031:3700:0:0:0:0/56
  • 2001:250:5031:3800:0:0:0:0/56
  • 2001:250:5031:3900:0:0:0:0/56
  • 2001:250:5031:3a00:0:0:0:0/56
  • 2001:250:5031:3b00:0:0:0:0/56
  • 2001:250:5031:3c00:0:0:0:0/56
  • 2001:250:5031:3d00:0:0:0:0/56
  • 2001:250:5031:3e00:0:0:0:0/56
  • 2001:250:5031:3f00:0:0:0:0/56
  • 2001:250:5031:4000:0:0:0:0/56
  • 2001:250:5031:4100:0:0:0:0/56
  • 2001:250:5031:4200:0:0:0:0/56
  • 2001:250:5031:4300:0:0:0:0/56
  • 2001:250:5031:4400:0:0:0:0/56
  • 2001:250:5031:4500:0:0:0:0/56
  • 2001:250:5031:4600:0:0:0:0/56
  • 2001:250:5031:4700:0:0:0:0/56
  • 2001:250:5031:4800:0:0:0:0/56
  • 2001:250:5031:4900:0:0:0:0/56
  • 2001:250:5031:4a00:0:0:0:0/56
  • 2001:250:5031:4b00:0:0:0:0/56
  • 2001:250:5031:4c00:0:0:0:0/56
  • 2001:250:5031:4d00:0:0:0:0/56
  • 2001:250:5031:4e00:0:0:0:0/56
  • 2001:250:5031:4f00:0:0:0:0/56
  • 2001:250:5031:5000:0:0:0:0/56
  • 2001:250:5031:5100:0:0:0:0/56
  • 2001:250:5031:5200:0:0:0:0/56
  • 2001:250:5031:5300:0:0:0:0/56
  • 2001:250:5031:5400:0:0:0:0/56
  • 2001:250:5031:5500:0:0:0:0/56
  • 2001:250:5031:5600:0:0:0:0/56
  • 2001:250:5031:5700:0:0:0:0/56
  • 2001:250:5031:5800:0:0:0:0/56
  • 2001:250:5031:5900:0:0:0:0/56
  • 2001:250:5031:5a00:0:0:0:0/56
  • 2001:250:5031:5b00:0:0:0:0/56
  • 2001:250:5031:5c00:0:0:0:0/56
  • 2001:250:5031:5d00:0:0:0:0/56
  • 2001:250:5031:5e00:0:0:0:0/56
  • 2001:250:5031:5f00:0:0:0:0/56
  • 2001:250:5031:6000:0:0:0:0/56
  • 2001:250:5031:6100:0:0:0:0/56
  • 2001:250:5031:6200:0:0:0:0/56
  • 2001:250:5031:6300:0:0:0:0/56
  • 2001:250:5031:6400:0:0:0:0/56
  • 2001:250:5031:6500:0:0:0:0/56
  • 2001:250:5031:6600:0:0:0:0/56
  • 2001:250:5031:6700:0:0:0:0/56
  • 2001:250:5031:6800:0:0:0:0/56
  • 2001:250:5031:6900:0:0:0:0/56
  • 2001:250:5031:6a00:0:0:0:0/56
  • 2001:250:5031:6b00:0:0:0:0/56
  • 2001:250:5031:6c00:0:0:0:0/56
  • 2001:250:5031:6d00:0:0:0:0/56
  • 2001:250:5031:6e00:0:0:0:0/56
  • 2001:250:5031:6f00:0:0:0:0/56
  • 2001:250:5031:7000:0:0:0:0/56
  • 2001:250:5031:7100:0:0:0:0/56
  • 2001:250:5031:7200:0:0:0:0/56
  • 2001:250:5031:7300:0:0:0:0/56
  • 2001:250:5031:7400:0:0:0:0/56
  • 2001:250:5031:7500:0:0:0:0/56
  • 2001:250:5031:7600:0:0:0:0/56
  • 2001:250:5031:7700:0:0:0:0/56
  • 2001:250:5031:7800:0:0:0:0/56
  • 2001:250:5031:7900:0:0:0:0/56
  • 2001:250:5031:7a00:0:0:0:0/56
  • 2001:250:5031:7b00:0:0:0:0/56
  • 2001:250:5031:7c00:0:0:0:0/56
  • 2001:250:5031:7d00:0:0:0:0/56
  • 2001:250:5031:7e00:0:0:0:0/56
  • 2001:250:5031:7f00:0:0:0:0/56
  • 2001:250:5031:8000:0:0:0:0/56
  • 2001:250:5031:8100:0:0:0:0/56
  • 2001:250:5031:8200:0:0:0:0/56
  • 2001:250:5031:8300:0:0:0:0/56
  • 2001:250:5031:8400:0:0:0:0/56
  • 2001:250:5031:8500:0:0:0:0/56
  • 2001:250:5031:8600:0:0:0:0/56
  • 2001:250:5031:8700:0:0:0:0/56
  • 2001:250:5031:8800:0:0:0:0/56
  • 2001:250:5031:8900:0:0:0:0/56
  • 2001:250:5031:8a00:0:0:0:0/56
  • 2001:250:5031:8b00:0:0:0:0/56
  • 2001:250:5031:8c00:0:0:0:0/56
  • 2001:250:5031:8d00:0:0:0:0/56
  • 2001:250:5031:8e00:0:0:0:0/56
  • 2001:250:5031:8f00:0:0:0:0/56
  • 2001:250:5031:9000:0:0:0:0/56
  • 2001:250:5031:9100:0:0:0:0/56
  • 2001:250:5031:9200:0:0:0:0/56
  • 2001:250:5031:9300:0:0:0:0/56
  • 2001:250:5031:9400:0:0:0:0/56
  • 2001:250:5031:9500:0:0:0:0/56
  • 2001:250:5031:9600:0:0:0:0/56
  • 2001:250:5031:9700:0:0:0:0/56
  • 2001:250:5031:9800:0:0:0:0/56
  • 2001:250:5031:9900:0:0:0:0/56
  • 2001:250:5031:9a00:0:0:0:0/56
  • 2001:250:5031:9b00:0:0:0:0/56
  • 2001:250:5031:9c00:0:0:0:0/56
  • 2001:250:5031:9d00:0:0:0:0/56
  • 2001:250:5031:9e00:0:0:0:0/56
  • 2001:250:5031:9f00:0:0:0:0/56
  • 2001:250:5031:a000:0:0:0:0/56
  • 2001:250:5031:a100:0:0:0:0/56
  • 2001:250:5031:a200:0:0:0:0/56
  • 2001:250:5031:a300:0:0:0:0/56
  • 2001:250:5031:a400:0:0:0:0/56
  • 2001:250:5031:a500:0:0:0:0/56
  • 2001:250:5031:a600:0:0:0:0/56
  • 2001:250:5031:a700:0:0:0:0/56
  • 2001:250:5031:a800:0:0:0:0/56
  • 2001:250:5031:a900:0:0:0:0/56
  • 2001:250:5031:aa00:0:0:0:0/56
  • 2001:250:5031:ab00:0:0:0:0/56
  • 2001:250:5031:ac00:0:0:0:0/56
  • 2001:250:5031:ad00:0:0:0:0/56
  • 2001:250:5031:ae00:0:0:0:0/56
  • 2001:250:5031:af00:0:0:0:0/56
  • 2001:250:5031:b000:0:0:0:0/56
  • 2001:250:5031:b100:0:0:0:0/56
  • 2001:250:5031:b200:0:0:0:0/56
  • 2001:250:5031:b300:0:0:0:0/56
  • 2001:250:5031:b400:0:0:0:0/56
  • 2001:250:5031:b500:0:0:0:0/56
  • 2001:250:5031:b600:0:0:0:0/56
  • 2001:250:5031:b700:0:0:0:0/56
  • 2001:250:5031:b800:0:0:0:0/56
  • 2001:250:5031:b900:0:0:0:0/56
  • 2001:250:5031:ba00:0:0:0:0/56
  • 2001:250:5031:bb00:0:0:0:0/56
  • 2001:250:5031:bc00:0:0:0:0/56
  • 2001:250:5031:bd00:0:0:0:0/56
  • 2001:250:5031:be00:0:0:0:0/56
  • 2001:250:5031:bf00:0:0:0:0/56
  • 2001:250:5031:c000:0:0:0:0/56
  • 2001:250:5031:c100:0:0:0:0/56
  • 2001:250:5031:c200:0:0:0:0/56
  • 2001:250:5031:c300:0:0:0:0/56
  • 2001:250:5031:c400:0:0:0:0/56
  • 2001:250:5031:c500:0:0:0:0/56
  • 2001:250:5031:c600:0:0:0:0/56
  • 2001:250:5031:c700:0:0:0:0/56
  • 2001:250:5031:c800:0:0:0:0/56
  • 2001:250:5031:c900:0:0:0:0/56
  • 2001:250:5031:ca00:0:0:0:0/56
  • 2001:250:5031:cb00:0:0:0:0/56
  • 2001:250:5031:cc00:0:0:0:0/56
  • 2001:250:5031:cd00:0:0:0:0/56
  • 2001:250:5031:ce00:0:0:0:0/56
  • 2001:250:5031:cf00:0:0:0:0/56
  • 2001:250:5031:d000:0:0:0:0/56
  • 2001:250:5031:d100:0:0:0:0/56
  • 2001:250:5031:d200:0:0:0:0/56
  • 2001:250:5031:d300:0:0:0:0/56
  • 2001:250:5031:d400:0:0:0:0/56
  • 2001:250:5031:d500:0:0:0:0/56
  • 2001:250:5031:d600:0:0:0:0/56
  • 2001:250:5031:d700:0:0:0:0/56
  • 2001:250:5031:d800:0:0:0:0/56
  • 2001:250:5031:d900:0:0:0:0/56
  • 2001:250:5031:da00:0:0:0:0/56
  • 2001:250:5031:db00:0:0:0:0/56
  • 2001:250:5031:dc00:0:0:0:0/56
  • 2001:250:5031:dd00:0:0:0:0/56
  • 2001:250:5031:de00:0:0:0:0/56
  • 2001:250:5031:df00:0:0:0:0/56
  • 2001:250:5031:e000:0:0:0:0/56
  • 2001:250:5031:e100:0:0:0:0/56
  • 2001:250:5031:e200:0:0:0:0/56
  • 2001:250:5031:e300:0:0:0:0/56
  • 2001:250:5031:e400:0:0:0:0/56
  • 2001:250:5031:e500:0:0:0:0/56
  • 2001:250:5031:e600:0:0:0:0/56
  • 2001:250:5031:e700:0:0:0:0/56
  • 2001:250:5031:e800:0:0:0:0/56
  • 2001:250:5031:e900:0:0:0:0/56
  • 2001:250:5031:ea00:0:0:0:0/56
  • 2001:250:5031:eb00:0:0:0:0/56
  • 2001:250:5031:ec00:0:0:0:0/56
  • 2001:250:5031:ed00:0:0:0:0/56
  • 2001:250:5031:ee00:0:0:0:0/56
  • 2001:250:5031:ef00:0:0:0:0/56
  • 2001:250:5031:f000:0:0:0:0/56
  • 2001:250:5031:f100:0:0:0:0/56
  • 2001:250:5031:f200:0:0:0:0/56
  • 2001:250:5031:f300:0:0:0:0/56
  • 2001:250:5031:f400:0:0:0:0/56
  • 2001:250:5031:f500:0:0:0:0/56
  • 2001:250:5031:f600:0:0:0:0/56
  • 2001:250:5031:f700:0:0:0:0/56
  • 2001:250:5031:f800:0:0:0:0/56
  • 2001:250:5031:f900:0:0:0:0/56
  • 2001:250:5031:fa00:0:0:0:0/56
  • 2001:250:5031:fb00:0:0:0:0/56
  • 2001:250:5031:fc00:0:0:0:0/56
  • 2001:250:5031:fd00:0:0:0:0/56
  • 2001:250:5031:fe00:0:0:0:0/56
  • 2001:250:5031:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up