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 2001:250:2433::/48 subnet

  • 2001:250:2433:0:0:0:0:0/56
  • 2001:250:2433:100:0:0:0:0/56
  • 2001:250:2433:200:0:0:0:0/56
  • 2001:250:2433:300:0:0:0:0/56
  • 2001:250:2433:400:0:0:0:0/56
  • 2001:250:2433:500:0:0:0:0/56
  • 2001:250:2433:600:0:0:0:0/56
  • 2001:250:2433:700:0:0:0:0/56
  • 2001:250:2433:800:0:0:0:0/56
  • 2001:250:2433:900:0:0:0:0/56
  • 2001:250:2433:a00:0:0:0:0/56
  • 2001:250:2433:b00:0:0:0:0/56
  • 2001:250:2433:c00:0:0:0:0/56
  • 2001:250:2433:d00:0:0:0:0/56
  • 2001:250:2433:e00:0:0:0:0/56
  • 2001:250:2433:f00:0:0:0:0/56
  • 2001:250:2433:1000:0:0:0:0/56
  • 2001:250:2433:1100:0:0:0:0/56
  • 2001:250:2433:1200:0:0:0:0/56
  • 2001:250:2433:1300:0:0:0:0/56
  • 2001:250:2433:1400:0:0:0:0/56
  • 2001:250:2433:1500:0:0:0:0/56
  • 2001:250:2433:1600:0:0:0:0/56
  • 2001:250:2433:1700:0:0:0:0/56
  • 2001:250:2433:1800:0:0:0:0/56
  • 2001:250:2433:1900:0:0:0:0/56
  • 2001:250:2433:1a00:0:0:0:0/56
  • 2001:250:2433:1b00:0:0:0:0/56
  • 2001:250:2433:1c00:0:0:0:0/56
  • 2001:250:2433:1d00:0:0:0:0/56
  • 2001:250:2433:1e00:0:0:0:0/56
  • 2001:250:2433:1f00:0:0:0:0/56
  • 2001:250:2433:2000:0:0:0:0/56
  • 2001:250:2433:2100:0:0:0:0/56
  • 2001:250:2433:2200:0:0:0:0/56
  • 2001:250:2433:2300:0:0:0:0/56
  • 2001:250:2433:2400:0:0:0:0/56
  • 2001:250:2433:2500:0:0:0:0/56
  • 2001:250:2433:2600:0:0:0:0/56
  • 2001:250:2433:2700:0:0:0:0/56
  • 2001:250:2433:2800:0:0:0:0/56
  • 2001:250:2433:2900:0:0:0:0/56
  • 2001:250:2433:2a00:0:0:0:0/56
  • 2001:250:2433:2b00:0:0:0:0/56
  • 2001:250:2433:2c00:0:0:0:0/56
  • 2001:250:2433:2d00:0:0:0:0/56
  • 2001:250:2433:2e00:0:0:0:0/56
  • 2001:250:2433:2f00:0:0:0:0/56
  • 2001:250:2433:3000:0:0:0:0/56
  • 2001:250:2433:3100:0:0:0:0/56
  • 2001:250:2433:3200:0:0:0:0/56
  • 2001:250:2433:3300:0:0:0:0/56
  • 2001:250:2433:3400:0:0:0:0/56
  • 2001:250:2433:3500:0:0:0:0/56
  • 2001:250:2433:3600:0:0:0:0/56
  • 2001:250:2433:3700:0:0:0:0/56
  • 2001:250:2433:3800:0:0:0:0/56
  • 2001:250:2433:3900:0:0:0:0/56
  • 2001:250:2433:3a00:0:0:0:0/56
  • 2001:250:2433:3b00:0:0:0:0/56
  • 2001:250:2433:3c00:0:0:0:0/56
  • 2001:250:2433:3d00:0:0:0:0/56
  • 2001:250:2433:3e00:0:0:0:0/56
  • 2001:250:2433:3f00:0:0:0:0/56
  • 2001:250:2433:4000:0:0:0:0/56
  • 2001:250:2433:4100:0:0:0:0/56
  • 2001:250:2433:4200:0:0:0:0/56
  • 2001:250:2433:4300:0:0:0:0/56
  • 2001:250:2433:4400:0:0:0:0/56
  • 2001:250:2433:4500:0:0:0:0/56
  • 2001:250:2433:4600:0:0:0:0/56
  • 2001:250:2433:4700:0:0:0:0/56
  • 2001:250:2433:4800:0:0:0:0/56
  • 2001:250:2433:4900:0:0:0:0/56
  • 2001:250:2433:4a00:0:0:0:0/56
  • 2001:250:2433:4b00:0:0:0:0/56
  • 2001:250:2433:4c00:0:0:0:0/56
  • 2001:250:2433:4d00:0:0:0:0/56
  • 2001:250:2433:4e00:0:0:0:0/56
  • 2001:250:2433:4f00:0:0:0:0/56
  • 2001:250:2433:5000:0:0:0:0/56
  • 2001:250:2433:5100:0:0:0:0/56
  • 2001:250:2433:5200:0:0:0:0/56
  • 2001:250:2433:5300:0:0:0:0/56
  • 2001:250:2433:5400:0:0:0:0/56
  • 2001:250:2433:5500:0:0:0:0/56
  • 2001:250:2433:5600:0:0:0:0/56
  • 2001:250:2433:5700:0:0:0:0/56
  • 2001:250:2433:5800:0:0:0:0/56
  • 2001:250:2433:5900:0:0:0:0/56
  • 2001:250:2433:5a00:0:0:0:0/56
  • 2001:250:2433:5b00:0:0:0:0/56
  • 2001:250:2433:5c00:0:0:0:0/56
  • 2001:250:2433:5d00:0:0:0:0/56
  • 2001:250:2433:5e00:0:0:0:0/56
  • 2001:250:2433:5f00:0:0:0:0/56
  • 2001:250:2433:6000:0:0:0:0/56
  • 2001:250:2433:6100:0:0:0:0/56
  • 2001:250:2433:6200:0:0:0:0/56
  • 2001:250:2433:6300:0:0:0:0/56
  • 2001:250:2433:6400:0:0:0:0/56
  • 2001:250:2433:6500:0:0:0:0/56
  • 2001:250:2433:6600:0:0:0:0/56
  • 2001:250:2433:6700:0:0:0:0/56
  • 2001:250:2433:6800:0:0:0:0/56
  • 2001:250:2433:6900:0:0:0:0/56
  • 2001:250:2433:6a00:0:0:0:0/56
  • 2001:250:2433:6b00:0:0:0:0/56
  • 2001:250:2433:6c00:0:0:0:0/56
  • 2001:250:2433:6d00:0:0:0:0/56
  • 2001:250:2433:6e00:0:0:0:0/56
  • 2001:250:2433:6f00:0:0:0:0/56
  • 2001:250:2433:7000:0:0:0:0/56
  • 2001:250:2433:7100:0:0:0:0/56
  • 2001:250:2433:7200:0:0:0:0/56
  • 2001:250:2433:7300:0:0:0:0/56
  • 2001:250:2433:7400:0:0:0:0/56
  • 2001:250:2433:7500:0:0:0:0/56
  • 2001:250:2433:7600:0:0:0:0/56
  • 2001:250:2433:7700:0:0:0:0/56
  • 2001:250:2433:7800:0:0:0:0/56
  • 2001:250:2433:7900:0:0:0:0/56
  • 2001:250:2433:7a00:0:0:0:0/56
  • 2001:250:2433:7b00:0:0:0:0/56
  • 2001:250:2433:7c00:0:0:0:0/56
  • 2001:250:2433:7d00:0:0:0:0/56
  • 2001:250:2433:7e00:0:0:0:0/56
  • 2001:250:2433:7f00:0:0:0:0/56
  • 2001:250:2433:8000:0:0:0:0/56
  • 2001:250:2433:8100:0:0:0:0/56
  • 2001:250:2433:8200:0:0:0:0/56
  • 2001:250:2433:8300:0:0:0:0/56
  • 2001:250:2433:8400:0:0:0:0/56
  • 2001:250:2433:8500:0:0:0:0/56
  • 2001:250:2433:8600:0:0:0:0/56
  • 2001:250:2433:8700:0:0:0:0/56
  • 2001:250:2433:8800:0:0:0:0/56
  • 2001:250:2433:8900:0:0:0:0/56
  • 2001:250:2433:8a00:0:0:0:0/56
  • 2001:250:2433:8b00:0:0:0:0/56
  • 2001:250:2433:8c00:0:0:0:0/56
  • 2001:250:2433:8d00:0:0:0:0/56
  • 2001:250:2433:8e00:0:0:0:0/56
  • 2001:250:2433:8f00:0:0:0:0/56
  • 2001:250:2433:9000:0:0:0:0/56
  • 2001:250:2433:9100:0:0:0:0/56
  • 2001:250:2433:9200:0:0:0:0/56
  • 2001:250:2433:9300:0:0:0:0/56
  • 2001:250:2433:9400:0:0:0:0/56
  • 2001:250:2433:9500:0:0:0:0/56
  • 2001:250:2433:9600:0:0:0:0/56
  • 2001:250:2433:9700:0:0:0:0/56
  • 2001:250:2433:9800:0:0:0:0/56
  • 2001:250:2433:9900:0:0:0:0/56
  • 2001:250:2433:9a00:0:0:0:0/56
  • 2001:250:2433:9b00:0:0:0:0/56
  • 2001:250:2433:9c00:0:0:0:0/56
  • 2001:250:2433:9d00:0:0:0:0/56
  • 2001:250:2433:9e00:0:0:0:0/56
  • 2001:250:2433:9f00:0:0:0:0/56
  • 2001:250:2433:a000:0:0:0:0/56
  • 2001:250:2433:a100:0:0:0:0/56
  • 2001:250:2433:a200:0:0:0:0/56
  • 2001:250:2433:a300:0:0:0:0/56
  • 2001:250:2433:a400:0:0:0:0/56
  • 2001:250:2433:a500:0:0:0:0/56
  • 2001:250:2433:a600:0:0:0:0/56
  • 2001:250:2433:a700:0:0:0:0/56
  • 2001:250:2433:a800:0:0:0:0/56
  • 2001:250:2433:a900:0:0:0:0/56
  • 2001:250:2433:aa00:0:0:0:0/56
  • 2001:250:2433:ab00:0:0:0:0/56
  • 2001:250:2433:ac00:0:0:0:0/56
  • 2001:250:2433:ad00:0:0:0:0/56
  • 2001:250:2433:ae00:0:0:0:0/56
  • 2001:250:2433:af00:0:0:0:0/56
  • 2001:250:2433:b000:0:0:0:0/56
  • 2001:250:2433:b100:0:0:0:0/56
  • 2001:250:2433:b200:0:0:0:0/56
  • 2001:250:2433:b300:0:0:0:0/56
  • 2001:250:2433:b400:0:0:0:0/56
  • 2001:250:2433:b500:0:0:0:0/56
  • 2001:250:2433:b600:0:0:0:0/56
  • 2001:250:2433:b700:0:0:0:0/56
  • 2001:250:2433:b800:0:0:0:0/56
  • 2001:250:2433:b900:0:0:0:0/56
  • 2001:250:2433:ba00:0:0:0:0/56
  • 2001:250:2433:bb00:0:0:0:0/56
  • 2001:250:2433:bc00:0:0:0:0/56
  • 2001:250:2433:bd00:0:0:0:0/56
  • 2001:250:2433:be00:0:0:0:0/56
  • 2001:250:2433:bf00:0:0:0:0/56
  • 2001:250:2433:c000:0:0:0:0/56
  • 2001:250:2433:c100:0:0:0:0/56
  • 2001:250:2433:c200:0:0:0:0/56
  • 2001:250:2433:c300:0:0:0:0/56
  • 2001:250:2433:c400:0:0:0:0/56
  • 2001:250:2433:c500:0:0:0:0/56
  • 2001:250:2433:c600:0:0:0:0/56
  • 2001:250:2433:c700:0:0:0:0/56
  • 2001:250:2433:c800:0:0:0:0/56
  • 2001:250:2433:c900:0:0:0:0/56
  • 2001:250:2433:ca00:0:0:0:0/56
  • 2001:250:2433:cb00:0:0:0:0/56
  • 2001:250:2433:cc00:0:0:0:0/56
  • 2001:250:2433:cd00:0:0:0:0/56
  • 2001:250:2433:ce00:0:0:0:0/56
  • 2001:250:2433:cf00:0:0:0:0/56
  • 2001:250:2433:d000:0:0:0:0/56
  • 2001:250:2433:d100:0:0:0:0/56
  • 2001:250:2433:d200:0:0:0:0/56
  • 2001:250:2433:d300:0:0:0:0/56
  • 2001:250:2433:d400:0:0:0:0/56
  • 2001:250:2433:d500:0:0:0:0/56
  • 2001:250:2433:d600:0:0:0:0/56
  • 2001:250:2433:d700:0:0:0:0/56
  • 2001:250:2433:d800:0:0:0:0/56
  • 2001:250:2433:d900:0:0:0:0/56
  • 2001:250:2433:da00:0:0:0:0/56
  • 2001:250:2433:db00:0:0:0:0/56
  • 2001:250:2433:dc00:0:0:0:0/56
  • 2001:250:2433:dd00:0:0:0:0/56
  • 2001:250:2433:de00:0:0:0:0/56
  • 2001:250:2433:df00:0:0:0:0/56
  • 2001:250:2433:e000:0:0:0:0/56
  • 2001:250:2433:e100:0:0:0:0/56
  • 2001:250:2433:e200:0:0:0:0/56
  • 2001:250:2433:e300:0:0:0:0/56
  • 2001:250:2433:e400:0:0:0:0/56
  • 2001:250:2433:e500:0:0:0:0/56
  • 2001:250:2433:e600:0:0:0:0/56
  • 2001:250:2433:e700:0:0:0:0/56
  • 2001:250:2433:e800:0:0:0:0/56
  • 2001:250:2433:e900:0:0:0:0/56
  • 2001:250:2433:ea00:0:0:0:0/56
  • 2001:250:2433:eb00:0:0:0:0/56
  • 2001:250:2433:ec00:0:0:0:0/56
  • 2001:250:2433:ed00:0:0:0:0/56
  • 2001:250:2433:ee00:0:0:0:0/56
  • 2001:250:2433:ef00:0:0:0:0/56
  • 2001:250:2433:f000:0:0:0:0/56
  • 2001:250:2433:f100:0:0:0:0/56
  • 2001:250:2433:f200:0:0:0:0/56
  • 2001:250:2433:f300:0:0:0:0/56
  • 2001:250:2433:f400:0:0:0:0/56
  • 2001:250:2433:f500:0:0:0:0/56
  • 2001:250:2433:f600:0:0:0:0/56
  • 2001:250:2433:f700:0:0:0:0/56
  • 2001:250:2433:f800:0:0:0:0/56
  • 2001:250:2433:f900:0:0:0:0/56
  • 2001:250:2433:fa00:0:0:0:0/56
  • 2001:250:2433:fb00:0:0:0:0/56
  • 2001:250:2433:fc00:0:0:0:0/56
  • 2001:250:2433:fd00:0:0:0:0/56
  • 2001:250:2433:fe00:0:0:0:0/56
  • 2001:250:2433:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up