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 2001:250:3408::/48 subnet

  • 2001:250:3408:0:0:0:0:0/56
  • 2001:250:3408:100:0:0:0:0/56
  • 2001:250:3408:200:0:0:0:0/56
  • 2001:250:3408:300:0:0:0:0/56
  • 2001:250:3408:400:0:0:0:0/56
  • 2001:250:3408:500:0:0:0:0/56
  • 2001:250:3408:600:0:0:0:0/56
  • 2001:250:3408:700:0:0:0:0/56
  • 2001:250:3408:800:0:0:0:0/56
  • 2001:250:3408:900:0:0:0:0/56
  • 2001:250:3408:a00:0:0:0:0/56
  • 2001:250:3408:b00:0:0:0:0/56
  • 2001:250:3408:c00:0:0:0:0/56
  • 2001:250:3408:d00:0:0:0:0/56
  • 2001:250:3408:e00:0:0:0:0/56
  • 2001:250:3408:f00:0:0:0:0/56
  • 2001:250:3408:1000:0:0:0:0/56
  • 2001:250:3408:1100:0:0:0:0/56
  • 2001:250:3408:1200:0:0:0:0/56
  • 2001:250:3408:1300:0:0:0:0/56
  • 2001:250:3408:1400:0:0:0:0/56
  • 2001:250:3408:1500:0:0:0:0/56
  • 2001:250:3408:1600:0:0:0:0/56
  • 2001:250:3408:1700:0:0:0:0/56
  • 2001:250:3408:1800:0:0:0:0/56
  • 2001:250:3408:1900:0:0:0:0/56
  • 2001:250:3408:1a00:0:0:0:0/56
  • 2001:250:3408:1b00:0:0:0:0/56
  • 2001:250:3408:1c00:0:0:0:0/56
  • 2001:250:3408:1d00:0:0:0:0/56
  • 2001:250:3408:1e00:0:0:0:0/56
  • 2001:250:3408:1f00:0:0:0:0/56
  • 2001:250:3408:2000:0:0:0:0/56
  • 2001:250:3408:2100:0:0:0:0/56
  • 2001:250:3408:2200:0:0:0:0/56
  • 2001:250:3408:2300:0:0:0:0/56
  • 2001:250:3408:2400:0:0:0:0/56
  • 2001:250:3408:2500:0:0:0:0/56
  • 2001:250:3408:2600:0:0:0:0/56
  • 2001:250:3408:2700:0:0:0:0/56
  • 2001:250:3408:2800:0:0:0:0/56
  • 2001:250:3408:2900:0:0:0:0/56
  • 2001:250:3408:2a00:0:0:0:0/56
  • 2001:250:3408:2b00:0:0:0:0/56
  • 2001:250:3408:2c00:0:0:0:0/56
  • 2001:250:3408:2d00:0:0:0:0/56
  • 2001:250:3408:2e00:0:0:0:0/56
  • 2001:250:3408:2f00:0:0:0:0/56
  • 2001:250:3408:3000:0:0:0:0/56
  • 2001:250:3408:3100:0:0:0:0/56
  • 2001:250:3408:3200:0:0:0:0/56
  • 2001:250:3408:3300:0:0:0:0/56
  • 2001:250:3408:3400:0:0:0:0/56
  • 2001:250:3408:3500:0:0:0:0/56
  • 2001:250:3408:3600:0:0:0:0/56
  • 2001:250:3408:3700:0:0:0:0/56
  • 2001:250:3408:3800:0:0:0:0/56
  • 2001:250:3408:3900:0:0:0:0/56
  • 2001:250:3408:3a00:0:0:0:0/56
  • 2001:250:3408:3b00:0:0:0:0/56
  • 2001:250:3408:3c00:0:0:0:0/56
  • 2001:250:3408:3d00:0:0:0:0/56
  • 2001:250:3408:3e00:0:0:0:0/56
  • 2001:250:3408:3f00:0:0:0:0/56
  • 2001:250:3408:4000:0:0:0:0/56
  • 2001:250:3408:4100:0:0:0:0/56
  • 2001:250:3408:4200:0:0:0:0/56
  • 2001:250:3408:4300:0:0:0:0/56
  • 2001:250:3408:4400:0:0:0:0/56
  • 2001:250:3408:4500:0:0:0:0/56
  • 2001:250:3408:4600:0:0:0:0/56
  • 2001:250:3408:4700:0:0:0:0/56
  • 2001:250:3408:4800:0:0:0:0/56
  • 2001:250:3408:4900:0:0:0:0/56
  • 2001:250:3408:4a00:0:0:0:0/56
  • 2001:250:3408:4b00:0:0:0:0/56
  • 2001:250:3408:4c00:0:0:0:0/56
  • 2001:250:3408:4d00:0:0:0:0/56
  • 2001:250:3408:4e00:0:0:0:0/56
  • 2001:250:3408:4f00:0:0:0:0/56
  • 2001:250:3408:5000:0:0:0:0/56
  • 2001:250:3408:5100:0:0:0:0/56
  • 2001:250:3408:5200:0:0:0:0/56
  • 2001:250:3408:5300:0:0:0:0/56
  • 2001:250:3408:5400:0:0:0:0/56
  • 2001:250:3408:5500:0:0:0:0/56
  • 2001:250:3408:5600:0:0:0:0/56
  • 2001:250:3408:5700:0:0:0:0/56
  • 2001:250:3408:5800:0:0:0:0/56
  • 2001:250:3408:5900:0:0:0:0/56
  • 2001:250:3408:5a00:0:0:0:0/56
  • 2001:250:3408:5b00:0:0:0:0/56
  • 2001:250:3408:5c00:0:0:0:0/56
  • 2001:250:3408:5d00:0:0:0:0/56
  • 2001:250:3408:5e00:0:0:0:0/56
  • 2001:250:3408:5f00:0:0:0:0/56
  • 2001:250:3408:6000:0:0:0:0/56
  • 2001:250:3408:6100:0:0:0:0/56
  • 2001:250:3408:6200:0:0:0:0/56
  • 2001:250:3408:6300:0:0:0:0/56
  • 2001:250:3408:6400:0:0:0:0/56
  • 2001:250:3408:6500:0:0:0:0/56
  • 2001:250:3408:6600:0:0:0:0/56
  • 2001:250:3408:6700:0:0:0:0/56
  • 2001:250:3408:6800:0:0:0:0/56
  • 2001:250:3408:6900:0:0:0:0/56
  • 2001:250:3408:6a00:0:0:0:0/56
  • 2001:250:3408:6b00:0:0:0:0/56
  • 2001:250:3408:6c00:0:0:0:0/56
  • 2001:250:3408:6d00:0:0:0:0/56
  • 2001:250:3408:6e00:0:0:0:0/56
  • 2001:250:3408:6f00:0:0:0:0/56
  • 2001:250:3408:7000:0:0:0:0/56
  • 2001:250:3408:7100:0:0:0:0/56
  • 2001:250:3408:7200:0:0:0:0/56
  • 2001:250:3408:7300:0:0:0:0/56
  • 2001:250:3408:7400:0:0:0:0/56
  • 2001:250:3408:7500:0:0:0:0/56
  • 2001:250:3408:7600:0:0:0:0/56
  • 2001:250:3408:7700:0:0:0:0/56
  • 2001:250:3408:7800:0:0:0:0/56
  • 2001:250:3408:7900:0:0:0:0/56
  • 2001:250:3408:7a00:0:0:0:0/56
  • 2001:250:3408:7b00:0:0:0:0/56
  • 2001:250:3408:7c00:0:0:0:0/56
  • 2001:250:3408:7d00:0:0:0:0/56
  • 2001:250:3408:7e00:0:0:0:0/56
  • 2001:250:3408:7f00:0:0:0:0/56
  • 2001:250:3408:8000:0:0:0:0/56
  • 2001:250:3408:8100:0:0:0:0/56
  • 2001:250:3408:8200:0:0:0:0/56
  • 2001:250:3408:8300:0:0:0:0/56
  • 2001:250:3408:8400:0:0:0:0/56
  • 2001:250:3408:8500:0:0:0:0/56
  • 2001:250:3408:8600:0:0:0:0/56
  • 2001:250:3408:8700:0:0:0:0/56
  • 2001:250:3408:8800:0:0:0:0/56
  • 2001:250:3408:8900:0:0:0:0/56
  • 2001:250:3408:8a00:0:0:0:0/56
  • 2001:250:3408:8b00:0:0:0:0/56
  • 2001:250:3408:8c00:0:0:0:0/56
  • 2001:250:3408:8d00:0:0:0:0/56
  • 2001:250:3408:8e00:0:0:0:0/56
  • 2001:250:3408:8f00:0:0:0:0/56
  • 2001:250:3408:9000:0:0:0:0/56
  • 2001:250:3408:9100:0:0:0:0/56
  • 2001:250:3408:9200:0:0:0:0/56
  • 2001:250:3408:9300:0:0:0:0/56
  • 2001:250:3408:9400:0:0:0:0/56
  • 2001:250:3408:9500:0:0:0:0/56
  • 2001:250:3408:9600:0:0:0:0/56
  • 2001:250:3408:9700:0:0:0:0/56
  • 2001:250:3408:9800:0:0:0:0/56
  • 2001:250:3408:9900:0:0:0:0/56
  • 2001:250:3408:9a00:0:0:0:0/56
  • 2001:250:3408:9b00:0:0:0:0/56
  • 2001:250:3408:9c00:0:0:0:0/56
  • 2001:250:3408:9d00:0:0:0:0/56
  • 2001:250:3408:9e00:0:0:0:0/56
  • 2001:250:3408:9f00:0:0:0:0/56
  • 2001:250:3408:a000:0:0:0:0/56
  • 2001:250:3408:a100:0:0:0:0/56
  • 2001:250:3408:a200:0:0:0:0/56
  • 2001:250:3408:a300:0:0:0:0/56
  • 2001:250:3408:a400:0:0:0:0/56
  • 2001:250:3408:a500:0:0:0:0/56
  • 2001:250:3408:a600:0:0:0:0/56
  • 2001:250:3408:a700:0:0:0:0/56
  • 2001:250:3408:a800:0:0:0:0/56
  • 2001:250:3408:a900:0:0:0:0/56
  • 2001:250:3408:aa00:0:0:0:0/56
  • 2001:250:3408:ab00:0:0:0:0/56
  • 2001:250:3408:ac00:0:0:0:0/56
  • 2001:250:3408:ad00:0:0:0:0/56
  • 2001:250:3408:ae00:0:0:0:0/56
  • 2001:250:3408:af00:0:0:0:0/56
  • 2001:250:3408:b000:0:0:0:0/56
  • 2001:250:3408:b100:0:0:0:0/56
  • 2001:250:3408:b200:0:0:0:0/56
  • 2001:250:3408:b300:0:0:0:0/56
  • 2001:250:3408:b400:0:0:0:0/56
  • 2001:250:3408:b500:0:0:0:0/56
  • 2001:250:3408:b600:0:0:0:0/56
  • 2001:250:3408:b700:0:0:0:0/56
  • 2001:250:3408:b800:0:0:0:0/56
  • 2001:250:3408:b900:0:0:0:0/56
  • 2001:250:3408:ba00:0:0:0:0/56
  • 2001:250:3408:bb00:0:0:0:0/56
  • 2001:250:3408:bc00:0:0:0:0/56
  • 2001:250:3408:bd00:0:0:0:0/56
  • 2001:250:3408:be00:0:0:0:0/56
  • 2001:250:3408:bf00:0:0:0:0/56
  • 2001:250:3408:c000:0:0:0:0/56
  • 2001:250:3408:c100:0:0:0:0/56
  • 2001:250:3408:c200:0:0:0:0/56
  • 2001:250:3408:c300:0:0:0:0/56
  • 2001:250:3408:c400:0:0:0:0/56
  • 2001:250:3408:c500:0:0:0:0/56
  • 2001:250:3408:c600:0:0:0:0/56
  • 2001:250:3408:c700:0:0:0:0/56
  • 2001:250:3408:c800:0:0:0:0/56
  • 2001:250:3408:c900:0:0:0:0/56
  • 2001:250:3408:ca00:0:0:0:0/56
  • 2001:250:3408:cb00:0:0:0:0/56
  • 2001:250:3408:cc00:0:0:0:0/56
  • 2001:250:3408:cd00:0:0:0:0/56
  • 2001:250:3408:ce00:0:0:0:0/56
  • 2001:250:3408:cf00:0:0:0:0/56
  • 2001:250:3408:d000:0:0:0:0/56
  • 2001:250:3408:d100:0:0:0:0/56
  • 2001:250:3408:d200:0:0:0:0/56
  • 2001:250:3408:d300:0:0:0:0/56
  • 2001:250:3408:d400:0:0:0:0/56
  • 2001:250:3408:d500:0:0:0:0/56
  • 2001:250:3408:d600:0:0:0:0/56
  • 2001:250:3408:d700:0:0:0:0/56
  • 2001:250:3408:d800:0:0:0:0/56
  • 2001:250:3408:d900:0:0:0:0/56
  • 2001:250:3408:da00:0:0:0:0/56
  • 2001:250:3408:db00:0:0:0:0/56
  • 2001:250:3408:dc00:0:0:0:0/56
  • 2001:250:3408:dd00:0:0:0:0/56
  • 2001:250:3408:de00:0:0:0:0/56
  • 2001:250:3408:df00:0:0:0:0/56
  • 2001:250:3408:e000:0:0:0:0/56
  • 2001:250:3408:e100:0:0:0:0/56
  • 2001:250:3408:e200:0:0:0:0/56
  • 2001:250:3408:e300:0:0:0:0/56
  • 2001:250:3408:e400:0:0:0:0/56
  • 2001:250:3408:e500:0:0:0:0/56
  • 2001:250:3408:e600:0:0:0:0/56
  • 2001:250:3408:e700:0:0:0:0/56
  • 2001:250:3408:e800:0:0:0:0/56
  • 2001:250:3408:e900:0:0:0:0/56
  • 2001:250:3408:ea00:0:0:0:0/56
  • 2001:250:3408:eb00:0:0:0:0/56
  • 2001:250:3408:ec00:0:0:0:0/56
  • 2001:250:3408:ed00:0:0:0:0/56
  • 2001:250:3408:ee00:0:0:0:0/56
  • 2001:250:3408:ef00:0:0:0:0/56
  • 2001:250:3408:f000:0:0:0:0/56
  • 2001:250:3408:f100:0:0:0:0/56
  • 2001:250:3408:f200:0:0:0:0/56
  • 2001:250:3408:f300:0:0:0:0/56
  • 2001:250:3408:f400:0:0:0:0/56
  • 2001:250:3408:f500:0:0:0:0/56
  • 2001:250:3408:f600:0:0:0:0/56
  • 2001:250:3408:f700:0:0:0:0/56
  • 2001:250:3408:f800:0:0:0:0/56
  • 2001:250:3408:f900:0:0:0:0/56
  • 2001:250:3408:fa00:0:0:0:0/56
  • 2001:250:3408:fb00:0:0:0:0/56
  • 2001:250:3408:fc00:0:0:0:0/56
  • 2001:250:3408:fd00:0:0:0:0/56
  • 2001:250:3408:fe00:0:0:0:0/56
  • 2001:250:3408:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up