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 2001:250:5056::/48 subnet

  • 2001:250:5056:0:0:0:0:0/56
  • 2001:250:5056:100:0:0:0:0/56
  • 2001:250:5056:200:0:0:0:0/56
  • 2001:250:5056:300:0:0:0:0/56
  • 2001:250:5056:400:0:0:0:0/56
  • 2001:250:5056:500:0:0:0:0/56
  • 2001:250:5056:600:0:0:0:0/56
  • 2001:250:5056:700:0:0:0:0/56
  • 2001:250:5056:800:0:0:0:0/56
  • 2001:250:5056:900:0:0:0:0/56
  • 2001:250:5056:a00:0:0:0:0/56
  • 2001:250:5056:b00:0:0:0:0/56
  • 2001:250:5056:c00:0:0:0:0/56
  • 2001:250:5056:d00:0:0:0:0/56
  • 2001:250:5056:e00:0:0:0:0/56
  • 2001:250:5056:f00:0:0:0:0/56
  • 2001:250:5056:1000:0:0:0:0/56
  • 2001:250:5056:1100:0:0:0:0/56
  • 2001:250:5056:1200:0:0:0:0/56
  • 2001:250:5056:1300:0:0:0:0/56
  • 2001:250:5056:1400:0:0:0:0/56
  • 2001:250:5056:1500:0:0:0:0/56
  • 2001:250:5056:1600:0:0:0:0/56
  • 2001:250:5056:1700:0:0:0:0/56
  • 2001:250:5056:1800:0:0:0:0/56
  • 2001:250:5056:1900:0:0:0:0/56
  • 2001:250:5056:1a00:0:0:0:0/56
  • 2001:250:5056:1b00:0:0:0:0/56
  • 2001:250:5056:1c00:0:0:0:0/56
  • 2001:250:5056:1d00:0:0:0:0/56
  • 2001:250:5056:1e00:0:0:0:0/56
  • 2001:250:5056:1f00:0:0:0:0/56
  • 2001:250:5056:2000:0:0:0:0/56
  • 2001:250:5056:2100:0:0:0:0/56
  • 2001:250:5056:2200:0:0:0:0/56
  • 2001:250:5056:2300:0:0:0:0/56
  • 2001:250:5056:2400:0:0:0:0/56
  • 2001:250:5056:2500:0:0:0:0/56
  • 2001:250:5056:2600:0:0:0:0/56
  • 2001:250:5056:2700:0:0:0:0/56
  • 2001:250:5056:2800:0:0:0:0/56
  • 2001:250:5056:2900:0:0:0:0/56
  • 2001:250:5056:2a00:0:0:0:0/56
  • 2001:250:5056:2b00:0:0:0:0/56
  • 2001:250:5056:2c00:0:0:0:0/56
  • 2001:250:5056:2d00:0:0:0:0/56
  • 2001:250:5056:2e00:0:0:0:0/56
  • 2001:250:5056:2f00:0:0:0:0/56
  • 2001:250:5056:3000:0:0:0:0/56
  • 2001:250:5056:3100:0:0:0:0/56
  • 2001:250:5056:3200:0:0:0:0/56
  • 2001:250:5056:3300:0:0:0:0/56
  • 2001:250:5056:3400:0:0:0:0/56
  • 2001:250:5056:3500:0:0:0:0/56
  • 2001:250:5056:3600:0:0:0:0/56
  • 2001:250:5056:3700:0:0:0:0/56
  • 2001:250:5056:3800:0:0:0:0/56
  • 2001:250:5056:3900:0:0:0:0/56
  • 2001:250:5056:3a00:0:0:0:0/56
  • 2001:250:5056:3b00:0:0:0:0/56
  • 2001:250:5056:3c00:0:0:0:0/56
  • 2001:250:5056:3d00:0:0:0:0/56
  • 2001:250:5056:3e00:0:0:0:0/56
  • 2001:250:5056:3f00:0:0:0:0/56
  • 2001:250:5056:4000:0:0:0:0/56
  • 2001:250:5056:4100:0:0:0:0/56
  • 2001:250:5056:4200:0:0:0:0/56
  • 2001:250:5056:4300:0:0:0:0/56
  • 2001:250:5056:4400:0:0:0:0/56
  • 2001:250:5056:4500:0:0:0:0/56
  • 2001:250:5056:4600:0:0:0:0/56
  • 2001:250:5056:4700:0:0:0:0/56
  • 2001:250:5056:4800:0:0:0:0/56
  • 2001:250:5056:4900:0:0:0:0/56
  • 2001:250:5056:4a00:0:0:0:0/56
  • 2001:250:5056:4b00:0:0:0:0/56
  • 2001:250:5056:4c00:0:0:0:0/56
  • 2001:250:5056:4d00:0:0:0:0/56
  • 2001:250:5056:4e00:0:0:0:0/56
  • 2001:250:5056:4f00:0:0:0:0/56
  • 2001:250:5056:5000:0:0:0:0/56
  • 2001:250:5056:5100:0:0:0:0/56
  • 2001:250:5056:5200:0:0:0:0/56
  • 2001:250:5056:5300:0:0:0:0/56
  • 2001:250:5056:5400:0:0:0:0/56
  • 2001:250:5056:5500:0:0:0:0/56
  • 2001:250:5056:5600:0:0:0:0/56
  • 2001:250:5056:5700:0:0:0:0/56
  • 2001:250:5056:5800:0:0:0:0/56
  • 2001:250:5056:5900:0:0:0:0/56
  • 2001:250:5056:5a00:0:0:0:0/56
  • 2001:250:5056:5b00:0:0:0:0/56
  • 2001:250:5056:5c00:0:0:0:0/56
  • 2001:250:5056:5d00:0:0:0:0/56
  • 2001:250:5056:5e00:0:0:0:0/56
  • 2001:250:5056:5f00:0:0:0:0/56
  • 2001:250:5056:6000:0:0:0:0/56
  • 2001:250:5056:6100:0:0:0:0/56
  • 2001:250:5056:6200:0:0:0:0/56
  • 2001:250:5056:6300:0:0:0:0/56
  • 2001:250:5056:6400:0:0:0:0/56
  • 2001:250:5056:6500:0:0:0:0/56
  • 2001:250:5056:6600:0:0:0:0/56
  • 2001:250:5056:6700:0:0:0:0/56
  • 2001:250:5056:6800:0:0:0:0/56
  • 2001:250:5056:6900:0:0:0:0/56
  • 2001:250:5056:6a00:0:0:0:0/56
  • 2001:250:5056:6b00:0:0:0:0/56
  • 2001:250:5056:6c00:0:0:0:0/56
  • 2001:250:5056:6d00:0:0:0:0/56
  • 2001:250:5056:6e00:0:0:0:0/56
  • 2001:250:5056:6f00:0:0:0:0/56
  • 2001:250:5056:7000:0:0:0:0/56
  • 2001:250:5056:7100:0:0:0:0/56
  • 2001:250:5056:7200:0:0:0:0/56
  • 2001:250:5056:7300:0:0:0:0/56
  • 2001:250:5056:7400:0:0:0:0/56
  • 2001:250:5056:7500:0:0:0:0/56
  • 2001:250:5056:7600:0:0:0:0/56
  • 2001:250:5056:7700:0:0:0:0/56
  • 2001:250:5056:7800:0:0:0:0/56
  • 2001:250:5056:7900:0:0:0:0/56
  • 2001:250:5056:7a00:0:0:0:0/56
  • 2001:250:5056:7b00:0:0:0:0/56
  • 2001:250:5056:7c00:0:0:0:0/56
  • 2001:250:5056:7d00:0:0:0:0/56
  • 2001:250:5056:7e00:0:0:0:0/56
  • 2001:250:5056:7f00:0:0:0:0/56
  • 2001:250:5056:8000:0:0:0:0/56
  • 2001:250:5056:8100:0:0:0:0/56
  • 2001:250:5056:8200:0:0:0:0/56
  • 2001:250:5056:8300:0:0:0:0/56
  • 2001:250:5056:8400:0:0:0:0/56
  • 2001:250:5056:8500:0:0:0:0/56
  • 2001:250:5056:8600:0:0:0:0/56
  • 2001:250:5056:8700:0:0:0:0/56
  • 2001:250:5056:8800:0:0:0:0/56
  • 2001:250:5056:8900:0:0:0:0/56
  • 2001:250:5056:8a00:0:0:0:0/56
  • 2001:250:5056:8b00:0:0:0:0/56
  • 2001:250:5056:8c00:0:0:0:0/56
  • 2001:250:5056:8d00:0:0:0:0/56
  • 2001:250:5056:8e00:0:0:0:0/56
  • 2001:250:5056:8f00:0:0:0:0/56
  • 2001:250:5056:9000:0:0:0:0/56
  • 2001:250:5056:9100:0:0:0:0/56
  • 2001:250:5056:9200:0:0:0:0/56
  • 2001:250:5056:9300:0:0:0:0/56
  • 2001:250:5056:9400:0:0:0:0/56
  • 2001:250:5056:9500:0:0:0:0/56
  • 2001:250:5056:9600:0:0:0:0/56
  • 2001:250:5056:9700:0:0:0:0/56
  • 2001:250:5056:9800:0:0:0:0/56
  • 2001:250:5056:9900:0:0:0:0/56
  • 2001:250:5056:9a00:0:0:0:0/56
  • 2001:250:5056:9b00:0:0:0:0/56
  • 2001:250:5056:9c00:0:0:0:0/56
  • 2001:250:5056:9d00:0:0:0:0/56
  • 2001:250:5056:9e00:0:0:0:0/56
  • 2001:250:5056:9f00:0:0:0:0/56
  • 2001:250:5056:a000:0:0:0:0/56
  • 2001:250:5056:a100:0:0:0:0/56
  • 2001:250:5056:a200:0:0:0:0/56
  • 2001:250:5056:a300:0:0:0:0/56
  • 2001:250:5056:a400:0:0:0:0/56
  • 2001:250:5056:a500:0:0:0:0/56
  • 2001:250:5056:a600:0:0:0:0/56
  • 2001:250:5056:a700:0:0:0:0/56
  • 2001:250:5056:a800:0:0:0:0/56
  • 2001:250:5056:a900:0:0:0:0/56
  • 2001:250:5056:aa00:0:0:0:0/56
  • 2001:250:5056:ab00:0:0:0:0/56
  • 2001:250:5056:ac00:0:0:0:0/56
  • 2001:250:5056:ad00:0:0:0:0/56
  • 2001:250:5056:ae00:0:0:0:0/56
  • 2001:250:5056:af00:0:0:0:0/56
  • 2001:250:5056:b000:0:0:0:0/56
  • 2001:250:5056:b100:0:0:0:0/56
  • 2001:250:5056:b200:0:0:0:0/56
  • 2001:250:5056:b300:0:0:0:0/56
  • 2001:250:5056:b400:0:0:0:0/56
  • 2001:250:5056:b500:0:0:0:0/56
  • 2001:250:5056:b600:0:0:0:0/56
  • 2001:250:5056:b700:0:0:0:0/56
  • 2001:250:5056:b800:0:0:0:0/56
  • 2001:250:5056:b900:0:0:0:0/56
  • 2001:250:5056:ba00:0:0:0:0/56
  • 2001:250:5056:bb00:0:0:0:0/56
  • 2001:250:5056:bc00:0:0:0:0/56
  • 2001:250:5056:bd00:0:0:0:0/56
  • 2001:250:5056:be00:0:0:0:0/56
  • 2001:250:5056:bf00:0:0:0:0/56
  • 2001:250:5056:c000:0:0:0:0/56
  • 2001:250:5056:c100:0:0:0:0/56
  • 2001:250:5056:c200:0:0:0:0/56
  • 2001:250:5056:c300:0:0:0:0/56
  • 2001:250:5056:c400:0:0:0:0/56
  • 2001:250:5056:c500:0:0:0:0/56
  • 2001:250:5056:c600:0:0:0:0/56
  • 2001:250:5056:c700:0:0:0:0/56
  • 2001:250:5056:c800:0:0:0:0/56
  • 2001:250:5056:c900:0:0:0:0/56
  • 2001:250:5056:ca00:0:0:0:0/56
  • 2001:250:5056:cb00:0:0:0:0/56
  • 2001:250:5056:cc00:0:0:0:0/56
  • 2001:250:5056:cd00:0:0:0:0/56
  • 2001:250:5056:ce00:0:0:0:0/56
  • 2001:250:5056:cf00:0:0:0:0/56
  • 2001:250:5056:d000:0:0:0:0/56
  • 2001:250:5056:d100:0:0:0:0/56
  • 2001:250:5056:d200:0:0:0:0/56
  • 2001:250:5056:d300:0:0:0:0/56
  • 2001:250:5056:d400:0:0:0:0/56
  • 2001:250:5056:d500:0:0:0:0/56
  • 2001:250:5056:d600:0:0:0:0/56
  • 2001:250:5056:d700:0:0:0:0/56
  • 2001:250:5056:d800:0:0:0:0/56
  • 2001:250:5056:d900:0:0:0:0/56
  • 2001:250:5056:da00:0:0:0:0/56
  • 2001:250:5056:db00:0:0:0:0/56
  • 2001:250:5056:dc00:0:0:0:0/56
  • 2001:250:5056:dd00:0:0:0:0/56
  • 2001:250:5056:de00:0:0:0:0/56
  • 2001:250:5056:df00:0:0:0:0/56
  • 2001:250:5056:e000:0:0:0:0/56
  • 2001:250:5056:e100:0:0:0:0/56
  • 2001:250:5056:e200:0:0:0:0/56
  • 2001:250:5056:e300:0:0:0:0/56
  • 2001:250:5056:e400:0:0:0:0/56
  • 2001:250:5056:e500:0:0:0:0/56
  • 2001:250:5056:e600:0:0:0:0/56
  • 2001:250:5056:e700:0:0:0:0/56
  • 2001:250:5056:e800:0:0:0:0/56
  • 2001:250:5056:e900:0:0:0:0/56
  • 2001:250:5056:ea00:0:0:0:0/56
  • 2001:250:5056:eb00:0:0:0:0/56
  • 2001:250:5056:ec00:0:0:0:0/56
  • 2001:250:5056:ed00:0:0:0:0/56
  • 2001:250:5056:ee00:0:0:0:0/56
  • 2001:250:5056:ef00:0:0:0:0/56
  • 2001:250:5056:f000:0:0:0:0/56
  • 2001:250:5056:f100:0:0:0:0/56
  • 2001:250:5056:f200:0:0:0:0/56
  • 2001:250:5056:f300:0:0:0:0/56
  • 2001:250:5056:f400:0:0:0:0/56
  • 2001:250:5056:f500:0:0:0:0/56
  • 2001:250:5056:f600:0:0:0:0/56
  • 2001:250:5056:f700:0:0:0:0/56
  • 2001:250:5056:f800:0:0:0:0/56
  • 2001:250:5056:f900:0:0:0:0/56
  • 2001:250:5056:fa00:0:0:0:0/56
  • 2001:250:5056:fb00:0:0:0:0/56
  • 2001:250:5056:fc00:0:0:0:0/56
  • 2001:250:5056:fd00:0:0:0:0/56
  • 2001:250:5056:fe00:0:0:0:0/56
  • 2001:250:5056:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up