IP subnet details

2001:250:840::/48

AS138182  — China Education And Research Network (cernet)

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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
source: APNIC

role: ABUSE CERNETAP
country: ZZ
address: Network Research Center,
address: Main Bldg, Tsinghua Univ
address: Beijing 100084, China
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 2025-01-22
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2025-01-22T16:25:45Z
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 2001:250:840::/48 subnet

  • 2001:250:840:0:0:0:0:0/56
  • 2001:250:840:100:0:0:0:0/56
  • 2001:250:840:200:0:0:0:0/56
  • 2001:250:840:300:0:0:0:0/56
  • 2001:250:840:400:0:0:0:0/56
  • 2001:250:840:500:0:0:0:0/56
  • 2001:250:840:600:0:0:0:0/56
  • 2001:250:840:700:0:0:0:0/56
  • 2001:250:840:800:0:0:0:0/56
  • 2001:250:840:900:0:0:0:0/56
  • 2001:250:840:a00:0:0:0:0/56
  • 2001:250:840:b00:0:0:0:0/56
  • 2001:250:840:c00:0:0:0:0/56
  • 2001:250:840:d00:0:0:0:0/56
  • 2001:250:840:e00:0:0:0:0/56
  • 2001:250:840:f00:0:0:0:0/56
  • 2001:250:840:1000:0:0:0:0/56
  • 2001:250:840:1100:0:0:0:0/56
  • 2001:250:840:1200:0:0:0:0/56
  • 2001:250:840:1300:0:0:0:0/56
  • 2001:250:840:1400:0:0:0:0/56
  • 2001:250:840:1500:0:0:0:0/56
  • 2001:250:840:1600:0:0:0:0/56
  • 2001:250:840:1700:0:0:0:0/56
  • 2001:250:840:1800:0:0:0:0/56
  • 2001:250:840:1900:0:0:0:0/56
  • 2001:250:840:1a00:0:0:0:0/56
  • 2001:250:840:1b00:0:0:0:0/56
  • 2001:250:840:1c00:0:0:0:0/56
  • 2001:250:840:1d00:0:0:0:0/56
  • 2001:250:840:1e00:0:0:0:0/56
  • 2001:250:840:1f00:0:0:0:0/56
  • 2001:250:840:2000:0:0:0:0/56
  • 2001:250:840:2100:0:0:0:0/56
  • 2001:250:840:2200:0:0:0:0/56
  • 2001:250:840:2300:0:0:0:0/56
  • 2001:250:840:2400:0:0:0:0/56
  • 2001:250:840:2500:0:0:0:0/56
  • 2001:250:840:2600:0:0:0:0/56
  • 2001:250:840:2700:0:0:0:0/56
  • 2001:250:840:2800:0:0:0:0/56
  • 2001:250:840:2900:0:0:0:0/56
  • 2001:250:840:2a00:0:0:0:0/56
  • 2001:250:840:2b00:0:0:0:0/56
  • 2001:250:840:2c00:0:0:0:0/56
  • 2001:250:840:2d00:0:0:0:0/56
  • 2001:250:840:2e00:0:0:0:0/56
  • 2001:250:840:2f00:0:0:0:0/56
  • 2001:250:840:3000:0:0:0:0/56
  • 2001:250:840:3100:0:0:0:0/56
  • 2001:250:840:3200:0:0:0:0/56
  • 2001:250:840:3300:0:0:0:0/56
  • 2001:250:840:3400:0:0:0:0/56
  • 2001:250:840:3500:0:0:0:0/56
  • 2001:250:840:3600:0:0:0:0/56
  • 2001:250:840:3700:0:0:0:0/56
  • 2001:250:840:3800:0:0:0:0/56
  • 2001:250:840:3900:0:0:0:0/56
  • 2001:250:840:3a00:0:0:0:0/56
  • 2001:250:840:3b00:0:0:0:0/56
  • 2001:250:840:3c00:0:0:0:0/56
  • 2001:250:840:3d00:0:0:0:0/56
  • 2001:250:840:3e00:0:0:0:0/56
  • 2001:250:840:3f00:0:0:0:0/56
  • 2001:250:840:4000:0:0:0:0/56
  • 2001:250:840:4100:0:0:0:0/56
  • 2001:250:840:4200:0:0:0:0/56
  • 2001:250:840:4300:0:0:0:0/56
  • 2001:250:840:4400:0:0:0:0/56
  • 2001:250:840:4500:0:0:0:0/56
  • 2001:250:840:4600:0:0:0:0/56
  • 2001:250:840:4700:0:0:0:0/56
  • 2001:250:840:4800:0:0:0:0/56
  • 2001:250:840:4900:0:0:0:0/56
  • 2001:250:840:4a00:0:0:0:0/56
  • 2001:250:840:4b00:0:0:0:0/56
  • 2001:250:840:4c00:0:0:0:0/56
  • 2001:250:840:4d00:0:0:0:0/56
  • 2001:250:840:4e00:0:0:0:0/56
  • 2001:250:840:4f00:0:0:0:0/56
  • 2001:250:840:5000:0:0:0:0/56
  • 2001:250:840:5100:0:0:0:0/56
  • 2001:250:840:5200:0:0:0:0/56
  • 2001:250:840:5300:0:0:0:0/56
  • 2001:250:840:5400:0:0:0:0/56
  • 2001:250:840:5500:0:0:0:0/56
  • 2001:250:840:5600:0:0:0:0/56
  • 2001:250:840:5700:0:0:0:0/56
  • 2001:250:840:5800:0:0:0:0/56
  • 2001:250:840:5900:0:0:0:0/56
  • 2001:250:840:5a00:0:0:0:0/56
  • 2001:250:840:5b00:0:0:0:0/56
  • 2001:250:840:5c00:0:0:0:0/56
  • 2001:250:840:5d00:0:0:0:0/56
  • 2001:250:840:5e00:0:0:0:0/56
  • 2001:250:840:5f00:0:0:0:0/56
  • 2001:250:840:6000:0:0:0:0/56
  • 2001:250:840:6100:0:0:0:0/56
  • 2001:250:840:6200:0:0:0:0/56
  • 2001:250:840:6300:0:0:0:0/56
  • 2001:250:840:6400:0:0:0:0/56
  • 2001:250:840:6500:0:0:0:0/56
  • 2001:250:840:6600:0:0:0:0/56
  • 2001:250:840:6700:0:0:0:0/56
  • 2001:250:840:6800:0:0:0:0/56
  • 2001:250:840:6900:0:0:0:0/56
  • 2001:250:840:6a00:0:0:0:0/56
  • 2001:250:840:6b00:0:0:0:0/56
  • 2001:250:840:6c00:0:0:0:0/56
  • 2001:250:840:6d00:0:0:0:0/56
  • 2001:250:840:6e00:0:0:0:0/56
  • 2001:250:840:6f00:0:0:0:0/56
  • 2001:250:840:7000:0:0:0:0/56
  • 2001:250:840:7100:0:0:0:0/56
  • 2001:250:840:7200:0:0:0:0/56
  • 2001:250:840:7300:0:0:0:0/56
  • 2001:250:840:7400:0:0:0:0/56
  • 2001:250:840:7500:0:0:0:0/56
  • 2001:250:840:7600:0:0:0:0/56
  • 2001:250:840:7700:0:0:0:0/56
  • 2001:250:840:7800:0:0:0:0/56
  • 2001:250:840:7900:0:0:0:0/56
  • 2001:250:840:7a00:0:0:0:0/56
  • 2001:250:840:7b00:0:0:0:0/56
  • 2001:250:840:7c00:0:0:0:0/56
  • 2001:250:840:7d00:0:0:0:0/56
  • 2001:250:840:7e00:0:0:0:0/56
  • 2001:250:840:7f00:0:0:0:0/56
  • 2001:250:840:8000:0:0:0:0/56
  • 2001:250:840:8100:0:0:0:0/56
  • 2001:250:840:8200:0:0:0:0/56
  • 2001:250:840:8300:0:0:0:0/56
  • 2001:250:840:8400:0:0:0:0/56
  • 2001:250:840:8500:0:0:0:0/56
  • 2001:250:840:8600:0:0:0:0/56
  • 2001:250:840:8700:0:0:0:0/56
  • 2001:250:840:8800:0:0:0:0/56
  • 2001:250:840:8900:0:0:0:0/56
  • 2001:250:840:8a00:0:0:0:0/56
  • 2001:250:840:8b00:0:0:0:0/56
  • 2001:250:840:8c00:0:0:0:0/56
  • 2001:250:840:8d00:0:0:0:0/56
  • 2001:250:840:8e00:0:0:0:0/56
  • 2001:250:840:8f00:0:0:0:0/56
  • 2001:250:840:9000:0:0:0:0/56
  • 2001:250:840:9100:0:0:0:0/56
  • 2001:250:840:9200:0:0:0:0/56
  • 2001:250:840:9300:0:0:0:0/56
  • 2001:250:840:9400:0:0:0:0/56
  • 2001:250:840:9500:0:0:0:0/56
  • 2001:250:840:9600:0:0:0:0/56
  • 2001:250:840:9700:0:0:0:0/56
  • 2001:250:840:9800:0:0:0:0/56
  • 2001:250:840:9900:0:0:0:0/56
  • 2001:250:840:9a00:0:0:0:0/56
  • 2001:250:840:9b00:0:0:0:0/56
  • 2001:250:840:9c00:0:0:0:0/56
  • 2001:250:840:9d00:0:0:0:0/56
  • 2001:250:840:9e00:0:0:0:0/56
  • 2001:250:840:9f00:0:0:0:0/56
  • 2001:250:840:a000:0:0:0:0/56
  • 2001:250:840:a100:0:0:0:0/56
  • 2001:250:840:a200:0:0:0:0/56
  • 2001:250:840:a300:0:0:0:0/56
  • 2001:250:840:a400:0:0:0:0/56
  • 2001:250:840:a500:0:0:0:0/56
  • 2001:250:840:a600:0:0:0:0/56
  • 2001:250:840:a700:0:0:0:0/56
  • 2001:250:840:a800:0:0:0:0/56
  • 2001:250:840:a900:0:0:0:0/56
  • 2001:250:840:aa00:0:0:0:0/56
  • 2001:250:840:ab00:0:0:0:0/56
  • 2001:250:840:ac00:0:0:0:0/56
  • 2001:250:840:ad00:0:0:0:0/56
  • 2001:250:840:ae00:0:0:0:0/56
  • 2001:250:840:af00:0:0:0:0/56
  • 2001:250:840:b000:0:0:0:0/56
  • 2001:250:840:b100:0:0:0:0/56
  • 2001:250:840:b200:0:0:0:0/56
  • 2001:250:840:b300:0:0:0:0/56
  • 2001:250:840:b400:0:0:0:0/56
  • 2001:250:840:b500:0:0:0:0/56
  • 2001:250:840:b600:0:0:0:0/56
  • 2001:250:840:b700:0:0:0:0/56
  • 2001:250:840:b800:0:0:0:0/56
  • 2001:250:840:b900:0:0:0:0/56
  • 2001:250:840:ba00:0:0:0:0/56
  • 2001:250:840:bb00:0:0:0:0/56
  • 2001:250:840:bc00:0:0:0:0/56
  • 2001:250:840:bd00:0:0:0:0/56
  • 2001:250:840:be00:0:0:0:0/56
  • 2001:250:840:bf00:0:0:0:0/56
  • 2001:250:840:c000:0:0:0:0/56
  • 2001:250:840:c100:0:0:0:0/56
  • 2001:250:840:c200:0:0:0:0/56
  • 2001:250:840:c300:0:0:0:0/56
  • 2001:250:840:c400:0:0:0:0/56
  • 2001:250:840:c500:0:0:0:0/56
  • 2001:250:840:c600:0:0:0:0/56
  • 2001:250:840:c700:0:0:0:0/56
  • 2001:250:840:c800:0:0:0:0/56
  • 2001:250:840:c900:0:0:0:0/56
  • 2001:250:840:ca00:0:0:0:0/56
  • 2001:250:840:cb00:0:0:0:0/56
  • 2001:250:840:cc00:0:0:0:0/56
  • 2001:250:840:cd00:0:0:0:0/56
  • 2001:250:840:ce00:0:0:0:0/56
  • 2001:250:840:cf00:0:0:0:0/56
  • 2001:250:840:d000:0:0:0:0/56
  • 2001:250:840:d100:0:0:0:0/56
  • 2001:250:840:d200:0:0:0:0/56
  • 2001:250:840:d300:0:0:0:0/56
  • 2001:250:840:d400:0:0:0:0/56
  • 2001:250:840:d500:0:0:0:0/56
  • 2001:250:840:d600:0:0:0:0/56
  • 2001:250:840:d700:0:0:0:0/56
  • 2001:250:840:d800:0:0:0:0/56
  • 2001:250:840:d900:0:0:0:0/56
  • 2001:250:840:da00:0:0:0:0/56
  • 2001:250:840:db00:0:0:0:0/56
  • 2001:250:840:dc00:0:0:0:0/56
  • 2001:250:840:dd00:0:0:0:0/56
  • 2001:250:840:de00:0:0:0:0/56
  • 2001:250:840:df00:0:0:0:0/56
  • 2001:250:840:e000:0:0:0:0/56
  • 2001:250:840:e100:0:0:0:0/56
  • 2001:250:840:e200:0:0:0:0/56
  • 2001:250:840:e300:0:0:0:0/56
  • 2001:250:840:e400:0:0:0:0/56
  • 2001:250:840:e500:0:0:0:0/56
  • 2001:250:840:e600:0:0:0:0/56
  • 2001:250:840:e700:0:0:0:0/56
  • 2001:250:840:e800:0:0:0:0/56
  • 2001:250:840:e900:0:0:0:0/56
  • 2001:250:840:ea00:0:0:0:0/56
  • 2001:250:840:eb00:0:0:0:0/56
  • 2001:250:840:ec00:0:0:0:0/56
  • 2001:250:840:ed00:0:0:0:0/56
  • 2001:250:840:ee00:0:0:0:0/56
  • 2001:250:840:ef00:0:0:0:0/56
  • 2001:250:840:f000:0:0:0:0/56
  • 2001:250:840:f100:0:0:0:0/56
  • 2001:250:840:f200:0:0:0:0/56
  • 2001:250:840:f300:0:0:0:0/56
  • 2001:250:840:f400:0:0:0:0/56
  • 2001:250:840:f500:0:0:0:0/56
  • 2001:250:840:f600:0:0:0:0/56
  • 2001:250:840:f700:0:0:0:0/56
  • 2001:250:840:f800:0:0:0:0/56
  • 2001:250:840:f900:0:0:0:0/56
  • 2001:250:840:fa00:0:0:0:0/56
  • 2001:250:840:fb00:0:0:0:0/56
  • 2001:250:840:fc00:0:0:0:0/56
  • 2001:250:840:fd00:0:0:0:0/56
  • 2001:250:840:fe00:0:0:0:0/56
  • 2001:250:840:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up