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

[whois.apnic.net]



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 2001:250:5809::/48 subnet

  • 2001:250:5809:0:0:0:0:0/56
  • 2001:250:5809:100:0:0:0:0/56
  • 2001:250:5809:200:0:0:0:0/56
  • 2001:250:5809:300:0:0:0:0/56
  • 2001:250:5809:400:0:0:0:0/56
  • 2001:250:5809:500:0:0:0:0/56
  • 2001:250:5809:600:0:0:0:0/56
  • 2001:250:5809:700:0:0:0:0/56
  • 2001:250:5809:800:0:0:0:0/56
  • 2001:250:5809:900:0:0:0:0/56
  • 2001:250:5809:a00:0:0:0:0/56
  • 2001:250:5809:b00:0:0:0:0/56
  • 2001:250:5809:c00:0:0:0:0/56
  • 2001:250:5809:d00:0:0:0:0/56
  • 2001:250:5809:e00:0:0:0:0/56
  • 2001:250:5809:f00:0:0:0:0/56
  • 2001:250:5809:1000:0:0:0:0/56
  • 2001:250:5809:1100:0:0:0:0/56
  • 2001:250:5809:1200:0:0:0:0/56
  • 2001:250:5809:1300:0:0:0:0/56
  • 2001:250:5809:1400:0:0:0:0/56
  • 2001:250:5809:1500:0:0:0:0/56
  • 2001:250:5809:1600:0:0:0:0/56
  • 2001:250:5809:1700:0:0:0:0/56
  • 2001:250:5809:1800:0:0:0:0/56
  • 2001:250:5809:1900:0:0:0:0/56
  • 2001:250:5809:1a00:0:0:0:0/56
  • 2001:250:5809:1b00:0:0:0:0/56
  • 2001:250:5809:1c00:0:0:0:0/56
  • 2001:250:5809:1d00:0:0:0:0/56
  • 2001:250:5809:1e00:0:0:0:0/56
  • 2001:250:5809:1f00:0:0:0:0/56
  • 2001:250:5809:2000:0:0:0:0/56
  • 2001:250:5809:2100:0:0:0:0/56
  • 2001:250:5809:2200:0:0:0:0/56
  • 2001:250:5809:2300:0:0:0:0/56
  • 2001:250:5809:2400:0:0:0:0/56
  • 2001:250:5809:2500:0:0:0:0/56
  • 2001:250:5809:2600:0:0:0:0/56
  • 2001:250:5809:2700:0:0:0:0/56
  • 2001:250:5809:2800:0:0:0:0/56
  • 2001:250:5809:2900:0:0:0:0/56
  • 2001:250:5809:2a00:0:0:0:0/56
  • 2001:250:5809:2b00:0:0:0:0/56
  • 2001:250:5809:2c00:0:0:0:0/56
  • 2001:250:5809:2d00:0:0:0:0/56
  • 2001:250:5809:2e00:0:0:0:0/56
  • 2001:250:5809:2f00:0:0:0:0/56
  • 2001:250:5809:3000:0:0:0:0/56
  • 2001:250:5809:3100:0:0:0:0/56
  • 2001:250:5809:3200:0:0:0:0/56
  • 2001:250:5809:3300:0:0:0:0/56
  • 2001:250:5809:3400:0:0:0:0/56
  • 2001:250:5809:3500:0:0:0:0/56
  • 2001:250:5809:3600:0:0:0:0/56
  • 2001:250:5809:3700:0:0:0:0/56
  • 2001:250:5809:3800:0:0:0:0/56
  • 2001:250:5809:3900:0:0:0:0/56
  • 2001:250:5809:3a00:0:0:0:0/56
  • 2001:250:5809:3b00:0:0:0:0/56
  • 2001:250:5809:3c00:0:0:0:0/56
  • 2001:250:5809:3d00:0:0:0:0/56
  • 2001:250:5809:3e00:0:0:0:0/56
  • 2001:250:5809:3f00:0:0:0:0/56
  • 2001:250:5809:4000:0:0:0:0/56
  • 2001:250:5809:4100:0:0:0:0/56
  • 2001:250:5809:4200:0:0:0:0/56
  • 2001:250:5809:4300:0:0:0:0/56
  • 2001:250:5809:4400:0:0:0:0/56
  • 2001:250:5809:4500:0:0:0:0/56
  • 2001:250:5809:4600:0:0:0:0/56
  • 2001:250:5809:4700:0:0:0:0/56
  • 2001:250:5809:4800:0:0:0:0/56
  • 2001:250:5809:4900:0:0:0:0/56
  • 2001:250:5809:4a00:0:0:0:0/56
  • 2001:250:5809:4b00:0:0:0:0/56
  • 2001:250:5809:4c00:0:0:0:0/56
  • 2001:250:5809:4d00:0:0:0:0/56
  • 2001:250:5809:4e00:0:0:0:0/56
  • 2001:250:5809:4f00:0:0:0:0/56
  • 2001:250:5809:5000:0:0:0:0/56
  • 2001:250:5809:5100:0:0:0:0/56
  • 2001:250:5809:5200:0:0:0:0/56
  • 2001:250:5809:5300:0:0:0:0/56
  • 2001:250:5809:5400:0:0:0:0/56
  • 2001:250:5809:5500:0:0:0:0/56
  • 2001:250:5809:5600:0:0:0:0/56
  • 2001:250:5809:5700:0:0:0:0/56
  • 2001:250:5809:5800:0:0:0:0/56
  • 2001:250:5809:5900:0:0:0:0/56
  • 2001:250:5809:5a00:0:0:0:0/56
  • 2001:250:5809:5b00:0:0:0:0/56
  • 2001:250:5809:5c00:0:0:0:0/56
  • 2001:250:5809:5d00:0:0:0:0/56
  • 2001:250:5809:5e00:0:0:0:0/56
  • 2001:250:5809:5f00:0:0:0:0/56
  • 2001:250:5809:6000:0:0:0:0/56
  • 2001:250:5809:6100:0:0:0:0/56
  • 2001:250:5809:6200:0:0:0:0/56
  • 2001:250:5809:6300:0:0:0:0/56
  • 2001:250:5809:6400:0:0:0:0/56
  • 2001:250:5809:6500:0:0:0:0/56
  • 2001:250:5809:6600:0:0:0:0/56
  • 2001:250:5809:6700:0:0:0:0/56
  • 2001:250:5809:6800:0:0:0:0/56
  • 2001:250:5809:6900:0:0:0:0/56
  • 2001:250:5809:6a00:0:0:0:0/56
  • 2001:250:5809:6b00:0:0:0:0/56
  • 2001:250:5809:6c00:0:0:0:0/56
  • 2001:250:5809:6d00:0:0:0:0/56
  • 2001:250:5809:6e00:0:0:0:0/56
  • 2001:250:5809:6f00:0:0:0:0/56
  • 2001:250:5809:7000:0:0:0:0/56
  • 2001:250:5809:7100:0:0:0:0/56
  • 2001:250:5809:7200:0:0:0:0/56
  • 2001:250:5809:7300:0:0:0:0/56
  • 2001:250:5809:7400:0:0:0:0/56
  • 2001:250:5809:7500:0:0:0:0/56
  • 2001:250:5809:7600:0:0:0:0/56
  • 2001:250:5809:7700:0:0:0:0/56
  • 2001:250:5809:7800:0:0:0:0/56
  • 2001:250:5809:7900:0:0:0:0/56
  • 2001:250:5809:7a00:0:0:0:0/56
  • 2001:250:5809:7b00:0:0:0:0/56
  • 2001:250:5809:7c00:0:0:0:0/56
  • 2001:250:5809:7d00:0:0:0:0/56
  • 2001:250:5809:7e00:0:0:0:0/56
  • 2001:250:5809:7f00:0:0:0:0/56
  • 2001:250:5809:8000:0:0:0:0/56
  • 2001:250:5809:8100:0:0:0:0/56
  • 2001:250:5809:8200:0:0:0:0/56
  • 2001:250:5809:8300:0:0:0:0/56
  • 2001:250:5809:8400:0:0:0:0/56
  • 2001:250:5809:8500:0:0:0:0/56
  • 2001:250:5809:8600:0:0:0:0/56
  • 2001:250:5809:8700:0:0:0:0/56
  • 2001:250:5809:8800:0:0:0:0/56
  • 2001:250:5809:8900:0:0:0:0/56
  • 2001:250:5809:8a00:0:0:0:0/56
  • 2001:250:5809:8b00:0:0:0:0/56
  • 2001:250:5809:8c00:0:0:0:0/56
  • 2001:250:5809:8d00:0:0:0:0/56
  • 2001:250:5809:8e00:0:0:0:0/56
  • 2001:250:5809:8f00:0:0:0:0/56
  • 2001:250:5809:9000:0:0:0:0/56
  • 2001:250:5809:9100:0:0:0:0/56
  • 2001:250:5809:9200:0:0:0:0/56
  • 2001:250:5809:9300:0:0:0:0/56
  • 2001:250:5809:9400:0:0:0:0/56
  • 2001:250:5809:9500:0:0:0:0/56
  • 2001:250:5809:9600:0:0:0:0/56
  • 2001:250:5809:9700:0:0:0:0/56
  • 2001:250:5809:9800:0:0:0:0/56
  • 2001:250:5809:9900:0:0:0:0/56
  • 2001:250:5809:9a00:0:0:0:0/56
  • 2001:250:5809:9b00:0:0:0:0/56
  • 2001:250:5809:9c00:0:0:0:0/56
  • 2001:250:5809:9d00:0:0:0:0/56
  • 2001:250:5809:9e00:0:0:0:0/56
  • 2001:250:5809:9f00:0:0:0:0/56
  • 2001:250:5809:a000:0:0:0:0/56
  • 2001:250:5809:a100:0:0:0:0/56
  • 2001:250:5809:a200:0:0:0:0/56
  • 2001:250:5809:a300:0:0:0:0/56
  • 2001:250:5809:a400:0:0:0:0/56
  • 2001:250:5809:a500:0:0:0:0/56
  • 2001:250:5809:a600:0:0:0:0/56
  • 2001:250:5809:a700:0:0:0:0/56
  • 2001:250:5809:a800:0:0:0:0/56
  • 2001:250:5809:a900:0:0:0:0/56
  • 2001:250:5809:aa00:0:0:0:0/56
  • 2001:250:5809:ab00:0:0:0:0/56
  • 2001:250:5809:ac00:0:0:0:0/56
  • 2001:250:5809:ad00:0:0:0:0/56
  • 2001:250:5809:ae00:0:0:0:0/56
  • 2001:250:5809:af00:0:0:0:0/56
  • 2001:250:5809:b000:0:0:0:0/56
  • 2001:250:5809:b100:0:0:0:0/56
  • 2001:250:5809:b200:0:0:0:0/56
  • 2001:250:5809:b300:0:0:0:0/56
  • 2001:250:5809:b400:0:0:0:0/56
  • 2001:250:5809:b500:0:0:0:0/56
  • 2001:250:5809:b600:0:0:0:0/56
  • 2001:250:5809:b700:0:0:0:0/56
  • 2001:250:5809:b800:0:0:0:0/56
  • 2001:250:5809:b900:0:0:0:0/56
  • 2001:250:5809:ba00:0:0:0:0/56
  • 2001:250:5809:bb00:0:0:0:0/56
  • 2001:250:5809:bc00:0:0:0:0/56
  • 2001:250:5809:bd00:0:0:0:0/56
  • 2001:250:5809:be00:0:0:0:0/56
  • 2001:250:5809:bf00:0:0:0:0/56
  • 2001:250:5809:c000:0:0:0:0/56
  • 2001:250:5809:c100:0:0:0:0/56
  • 2001:250:5809:c200:0:0:0:0/56
  • 2001:250:5809:c300:0:0:0:0/56
  • 2001:250:5809:c400:0:0:0:0/56
  • 2001:250:5809:c500:0:0:0:0/56
  • 2001:250:5809:c600:0:0:0:0/56
  • 2001:250:5809:c700:0:0:0:0/56
  • 2001:250:5809:c800:0:0:0:0/56
  • 2001:250:5809:c900:0:0:0:0/56
  • 2001:250:5809:ca00:0:0:0:0/56
  • 2001:250:5809:cb00:0:0:0:0/56
  • 2001:250:5809:cc00:0:0:0:0/56
  • 2001:250:5809:cd00:0:0:0:0/56
  • 2001:250:5809:ce00:0:0:0:0/56
  • 2001:250:5809:cf00:0:0:0:0/56
  • 2001:250:5809:d000:0:0:0:0/56
  • 2001:250:5809:d100:0:0:0:0/56
  • 2001:250:5809:d200:0:0:0:0/56
  • 2001:250:5809:d300:0:0:0:0/56
  • 2001:250:5809:d400:0:0:0:0/56
  • 2001:250:5809:d500:0:0:0:0/56
  • 2001:250:5809:d600:0:0:0:0/56
  • 2001:250:5809:d700:0:0:0:0/56
  • 2001:250:5809:d800:0:0:0:0/56
  • 2001:250:5809:d900:0:0:0:0/56
  • 2001:250:5809:da00:0:0:0:0/56
  • 2001:250:5809:db00:0:0:0:0/56
  • 2001:250:5809:dc00:0:0:0:0/56
  • 2001:250:5809:dd00:0:0:0:0/56
  • 2001:250:5809:de00:0:0:0:0/56
  • 2001:250:5809:df00:0:0:0:0/56
  • 2001:250:5809:e000:0:0:0:0/56
  • 2001:250:5809:e100:0:0:0:0/56
  • 2001:250:5809:e200:0:0:0:0/56
  • 2001:250:5809:e300:0:0:0:0/56
  • 2001:250:5809:e400:0:0:0:0/56
  • 2001:250:5809:e500:0:0:0:0/56
  • 2001:250:5809:e600:0:0:0:0/56
  • 2001:250:5809:e700:0:0:0:0/56
  • 2001:250:5809:e800:0:0:0:0/56
  • 2001:250:5809:e900:0:0:0:0/56
  • 2001:250:5809:ea00:0:0:0:0/56
  • 2001:250:5809:eb00:0:0:0:0/56
  • 2001:250:5809:ec00:0:0:0:0/56
  • 2001:250:5809:ed00:0:0:0:0/56
  • 2001:250:5809:ee00:0:0:0:0/56
  • 2001:250:5809:ef00:0:0:0:0/56
  • 2001:250:5809:f000:0:0:0:0/56
  • 2001:250:5809:f100:0:0:0:0/56
  • 2001:250:5809:f200:0:0:0:0/56
  • 2001:250:5809:f300:0:0:0:0/56
  • 2001:250:5809:f400:0:0:0:0/56
  • 2001:250:5809:f500:0:0:0:0/56
  • 2001:250:5809:f600:0:0:0:0/56
  • 2001:250:5809:f700:0:0:0:0/56
  • 2001:250:5809:f800:0:0:0:0/56
  • 2001:250:5809:f900:0:0:0:0/56
  • 2001:250:5809:fa00:0:0:0:0/56
  • 2001:250:5809:fb00:0:0:0:0/56
  • 2001:250:5809:fc00:0:0:0:0/56
  • 2001:250:5809:fd00:0:0:0:0/56
  • 2001:250:5809:fe00:0:0:0:0/56
  • 2001:250:5809:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up