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 2001:250:2835::/48 subnet

  • 2001:250:2835:0:0:0:0:0/56
  • 2001:250:2835:100:0:0:0:0/56
  • 2001:250:2835:200:0:0:0:0/56
  • 2001:250:2835:300:0:0:0:0/56
  • 2001:250:2835:400:0:0:0:0/56
  • 2001:250:2835:500:0:0:0:0/56
  • 2001:250:2835:600:0:0:0:0/56
  • 2001:250:2835:700:0:0:0:0/56
  • 2001:250:2835:800:0:0:0:0/56
  • 2001:250:2835:900:0:0:0:0/56
  • 2001:250:2835:a00:0:0:0:0/56
  • 2001:250:2835:b00:0:0:0:0/56
  • 2001:250:2835:c00:0:0:0:0/56
  • 2001:250:2835:d00:0:0:0:0/56
  • 2001:250:2835:e00:0:0:0:0/56
  • 2001:250:2835:f00:0:0:0:0/56
  • 2001:250:2835:1000:0:0:0:0/56
  • 2001:250:2835:1100:0:0:0:0/56
  • 2001:250:2835:1200:0:0:0:0/56
  • 2001:250:2835:1300:0:0:0:0/56
  • 2001:250:2835:1400:0:0:0:0/56
  • 2001:250:2835:1500:0:0:0:0/56
  • 2001:250:2835:1600:0:0:0:0/56
  • 2001:250:2835:1700:0:0:0:0/56
  • 2001:250:2835:1800:0:0:0:0/56
  • 2001:250:2835:1900:0:0:0:0/56
  • 2001:250:2835:1a00:0:0:0:0/56
  • 2001:250:2835:1b00:0:0:0:0/56
  • 2001:250:2835:1c00:0:0:0:0/56
  • 2001:250:2835:1d00:0:0:0:0/56
  • 2001:250:2835:1e00:0:0:0:0/56
  • 2001:250:2835:1f00:0:0:0:0/56
  • 2001:250:2835:2000:0:0:0:0/56
  • 2001:250:2835:2100:0:0:0:0/56
  • 2001:250:2835:2200:0:0:0:0/56
  • 2001:250:2835:2300:0:0:0:0/56
  • 2001:250:2835:2400:0:0:0:0/56
  • 2001:250:2835:2500:0:0:0:0/56
  • 2001:250:2835:2600:0:0:0:0/56
  • 2001:250:2835:2700:0:0:0:0/56
  • 2001:250:2835:2800:0:0:0:0/56
  • 2001:250:2835:2900:0:0:0:0/56
  • 2001:250:2835:2a00:0:0:0:0/56
  • 2001:250:2835:2b00:0:0:0:0/56
  • 2001:250:2835:2c00:0:0:0:0/56
  • 2001:250:2835:2d00:0:0:0:0/56
  • 2001:250:2835:2e00:0:0:0:0/56
  • 2001:250:2835:2f00:0:0:0:0/56
  • 2001:250:2835:3000:0:0:0:0/56
  • 2001:250:2835:3100:0:0:0:0/56
  • 2001:250:2835:3200:0:0:0:0/56
  • 2001:250:2835:3300:0:0:0:0/56
  • 2001:250:2835:3400:0:0:0:0/56
  • 2001:250:2835:3500:0:0:0:0/56
  • 2001:250:2835:3600:0:0:0:0/56
  • 2001:250:2835:3700:0:0:0:0/56
  • 2001:250:2835:3800:0:0:0:0/56
  • 2001:250:2835:3900:0:0:0:0/56
  • 2001:250:2835:3a00:0:0:0:0/56
  • 2001:250:2835:3b00:0:0:0:0/56
  • 2001:250:2835:3c00:0:0:0:0/56
  • 2001:250:2835:3d00:0:0:0:0/56
  • 2001:250:2835:3e00:0:0:0:0/56
  • 2001:250:2835:3f00:0:0:0:0/56
  • 2001:250:2835:4000:0:0:0:0/56
  • 2001:250:2835:4100:0:0:0:0/56
  • 2001:250:2835:4200:0:0:0:0/56
  • 2001:250:2835:4300:0:0:0:0/56
  • 2001:250:2835:4400:0:0:0:0/56
  • 2001:250:2835:4500:0:0:0:0/56
  • 2001:250:2835:4600:0:0:0:0/56
  • 2001:250:2835:4700:0:0:0:0/56
  • 2001:250:2835:4800:0:0:0:0/56
  • 2001:250:2835:4900:0:0:0:0/56
  • 2001:250:2835:4a00:0:0:0:0/56
  • 2001:250:2835:4b00:0:0:0:0/56
  • 2001:250:2835:4c00:0:0:0:0/56
  • 2001:250:2835:4d00:0:0:0:0/56
  • 2001:250:2835:4e00:0:0:0:0/56
  • 2001:250:2835:4f00:0:0:0:0/56
  • 2001:250:2835:5000:0:0:0:0/56
  • 2001:250:2835:5100:0:0:0:0/56
  • 2001:250:2835:5200:0:0:0:0/56
  • 2001:250:2835:5300:0:0:0:0/56
  • 2001:250:2835:5400:0:0:0:0/56
  • 2001:250:2835:5500:0:0:0:0/56
  • 2001:250:2835:5600:0:0:0:0/56
  • 2001:250:2835:5700:0:0:0:0/56
  • 2001:250:2835:5800:0:0:0:0/56
  • 2001:250:2835:5900:0:0:0:0/56
  • 2001:250:2835:5a00:0:0:0:0/56
  • 2001:250:2835:5b00:0:0:0:0/56
  • 2001:250:2835:5c00:0:0:0:0/56
  • 2001:250:2835:5d00:0:0:0:0/56
  • 2001:250:2835:5e00:0:0:0:0/56
  • 2001:250:2835:5f00:0:0:0:0/56
  • 2001:250:2835:6000:0:0:0:0/56
  • 2001:250:2835:6100:0:0:0:0/56
  • 2001:250:2835:6200:0:0:0:0/56
  • 2001:250:2835:6300:0:0:0:0/56
  • 2001:250:2835:6400:0:0:0:0/56
  • 2001:250:2835:6500:0:0:0:0/56
  • 2001:250:2835:6600:0:0:0:0/56
  • 2001:250:2835:6700:0:0:0:0/56
  • 2001:250:2835:6800:0:0:0:0/56
  • 2001:250:2835:6900:0:0:0:0/56
  • 2001:250:2835:6a00:0:0:0:0/56
  • 2001:250:2835:6b00:0:0:0:0/56
  • 2001:250:2835:6c00:0:0:0:0/56
  • 2001:250:2835:6d00:0:0:0:0/56
  • 2001:250:2835:6e00:0:0:0:0/56
  • 2001:250:2835:6f00:0:0:0:0/56
  • 2001:250:2835:7000:0:0:0:0/56
  • 2001:250:2835:7100:0:0:0:0/56
  • 2001:250:2835:7200:0:0:0:0/56
  • 2001:250:2835:7300:0:0:0:0/56
  • 2001:250:2835:7400:0:0:0:0/56
  • 2001:250:2835:7500:0:0:0:0/56
  • 2001:250:2835:7600:0:0:0:0/56
  • 2001:250:2835:7700:0:0:0:0/56
  • 2001:250:2835:7800:0:0:0:0/56
  • 2001:250:2835:7900:0:0:0:0/56
  • 2001:250:2835:7a00:0:0:0:0/56
  • 2001:250:2835:7b00:0:0:0:0/56
  • 2001:250:2835:7c00:0:0:0:0/56
  • 2001:250:2835:7d00:0:0:0:0/56
  • 2001:250:2835:7e00:0:0:0:0/56
  • 2001:250:2835:7f00:0:0:0:0/56
  • 2001:250:2835:8000:0:0:0:0/56
  • 2001:250:2835:8100:0:0:0:0/56
  • 2001:250:2835:8200:0:0:0:0/56
  • 2001:250:2835:8300:0:0:0:0/56
  • 2001:250:2835:8400:0:0:0:0/56
  • 2001:250:2835:8500:0:0:0:0/56
  • 2001:250:2835:8600:0:0:0:0/56
  • 2001:250:2835:8700:0:0:0:0/56
  • 2001:250:2835:8800:0:0:0:0/56
  • 2001:250:2835:8900:0:0:0:0/56
  • 2001:250:2835:8a00:0:0:0:0/56
  • 2001:250:2835:8b00:0:0:0:0/56
  • 2001:250:2835:8c00:0:0:0:0/56
  • 2001:250:2835:8d00:0:0:0:0/56
  • 2001:250:2835:8e00:0:0:0:0/56
  • 2001:250:2835:8f00:0:0:0:0/56
  • 2001:250:2835:9000:0:0:0:0/56
  • 2001:250:2835:9100:0:0:0:0/56
  • 2001:250:2835:9200:0:0:0:0/56
  • 2001:250:2835:9300:0:0:0:0/56
  • 2001:250:2835:9400:0:0:0:0/56
  • 2001:250:2835:9500:0:0:0:0/56
  • 2001:250:2835:9600:0:0:0:0/56
  • 2001:250:2835:9700:0:0:0:0/56
  • 2001:250:2835:9800:0:0:0:0/56
  • 2001:250:2835:9900:0:0:0:0/56
  • 2001:250:2835:9a00:0:0:0:0/56
  • 2001:250:2835:9b00:0:0:0:0/56
  • 2001:250:2835:9c00:0:0:0:0/56
  • 2001:250:2835:9d00:0:0:0:0/56
  • 2001:250:2835:9e00:0:0:0:0/56
  • 2001:250:2835:9f00:0:0:0:0/56
  • 2001:250:2835:a000:0:0:0:0/56
  • 2001:250:2835:a100:0:0:0:0/56
  • 2001:250:2835:a200:0:0:0:0/56
  • 2001:250:2835:a300:0:0:0:0/56
  • 2001:250:2835:a400:0:0:0:0/56
  • 2001:250:2835:a500:0:0:0:0/56
  • 2001:250:2835:a600:0:0:0:0/56
  • 2001:250:2835:a700:0:0:0:0/56
  • 2001:250:2835:a800:0:0:0:0/56
  • 2001:250:2835:a900:0:0:0:0/56
  • 2001:250:2835:aa00:0:0:0:0/56
  • 2001:250:2835:ab00:0:0:0:0/56
  • 2001:250:2835:ac00:0:0:0:0/56
  • 2001:250:2835:ad00:0:0:0:0/56
  • 2001:250:2835:ae00:0:0:0:0/56
  • 2001:250:2835:af00:0:0:0:0/56
  • 2001:250:2835:b000:0:0:0:0/56
  • 2001:250:2835:b100:0:0:0:0/56
  • 2001:250:2835:b200:0:0:0:0/56
  • 2001:250:2835:b300:0:0:0:0/56
  • 2001:250:2835:b400:0:0:0:0/56
  • 2001:250:2835:b500:0:0:0:0/56
  • 2001:250:2835:b600:0:0:0:0/56
  • 2001:250:2835:b700:0:0:0:0/56
  • 2001:250:2835:b800:0:0:0:0/56
  • 2001:250:2835:b900:0:0:0:0/56
  • 2001:250:2835:ba00:0:0:0:0/56
  • 2001:250:2835:bb00:0:0:0:0/56
  • 2001:250:2835:bc00:0:0:0:0/56
  • 2001:250:2835:bd00:0:0:0:0/56
  • 2001:250:2835:be00:0:0:0:0/56
  • 2001:250:2835:bf00:0:0:0:0/56
  • 2001:250:2835:c000:0:0:0:0/56
  • 2001:250:2835:c100:0:0:0:0/56
  • 2001:250:2835:c200:0:0:0:0/56
  • 2001:250:2835:c300:0:0:0:0/56
  • 2001:250:2835:c400:0:0:0:0/56
  • 2001:250:2835:c500:0:0:0:0/56
  • 2001:250:2835:c600:0:0:0:0/56
  • 2001:250:2835:c700:0:0:0:0/56
  • 2001:250:2835:c800:0:0:0:0/56
  • 2001:250:2835:c900:0:0:0:0/56
  • 2001:250:2835:ca00:0:0:0:0/56
  • 2001:250:2835:cb00:0:0:0:0/56
  • 2001:250:2835:cc00:0:0:0:0/56
  • 2001:250:2835:cd00:0:0:0:0/56
  • 2001:250:2835:ce00:0:0:0:0/56
  • 2001:250:2835:cf00:0:0:0:0/56
  • 2001:250:2835:d000:0:0:0:0/56
  • 2001:250:2835:d100:0:0:0:0/56
  • 2001:250:2835:d200:0:0:0:0/56
  • 2001:250:2835:d300:0:0:0:0/56
  • 2001:250:2835:d400:0:0:0:0/56
  • 2001:250:2835:d500:0:0:0:0/56
  • 2001:250:2835:d600:0:0:0:0/56
  • 2001:250:2835:d700:0:0:0:0/56
  • 2001:250:2835:d800:0:0:0:0/56
  • 2001:250:2835:d900:0:0:0:0/56
  • 2001:250:2835:da00:0:0:0:0/56
  • 2001:250:2835:db00:0:0:0:0/56
  • 2001:250:2835:dc00:0:0:0:0/56
  • 2001:250:2835:dd00:0:0:0:0/56
  • 2001:250:2835:de00:0:0:0:0/56
  • 2001:250:2835:df00:0:0:0:0/56
  • 2001:250:2835:e000:0:0:0:0/56
  • 2001:250:2835:e100:0:0:0:0/56
  • 2001:250:2835:e200:0:0:0:0/56
  • 2001:250:2835:e300:0:0:0:0/56
  • 2001:250:2835:e400:0:0:0:0/56
  • 2001:250:2835:e500:0:0:0:0/56
  • 2001:250:2835:e600:0:0:0:0/56
  • 2001:250:2835:e700:0:0:0:0/56
  • 2001:250:2835:e800:0:0:0:0/56
  • 2001:250:2835:e900:0:0:0:0/56
  • 2001:250:2835:ea00:0:0:0:0/56
  • 2001:250:2835:eb00:0:0:0:0/56
  • 2001:250:2835:ec00:0:0:0:0/56
  • 2001:250:2835:ed00:0:0:0:0/56
  • 2001:250:2835:ee00:0:0:0:0/56
  • 2001:250:2835:ef00:0:0:0:0/56
  • 2001:250:2835:f000:0:0:0:0/56
  • 2001:250:2835:f100:0:0:0:0/56
  • 2001:250:2835:f200:0:0:0:0/56
  • 2001:250:2835:f300:0:0:0:0/56
  • 2001:250:2835:f400:0:0:0:0/56
  • 2001:250:2835:f500:0:0:0:0/56
  • 2001:250:2835:f600:0:0:0:0/56
  • 2001:250:2835:f700:0:0:0:0/56
  • 2001:250:2835:f800:0:0:0:0/56
  • 2001:250:2835:f900:0:0:0:0/56
  • 2001:250:2835:fa00:0:0:0:0/56
  • 2001:250:2835:fb00:0:0:0:0/56
  • 2001:250:2835:fc00:0:0:0:0/56
  • 2001:250:2835:fd00:0:0:0:0/56
  • 2001:250:2835:fe00:0:0:0:0/56
  • 2001:250:2835:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up