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 2001:250:5044::/48 subnet

  • 2001:250:5044:0:0:0:0:0/56
  • 2001:250:5044:100:0:0:0:0/56
  • 2001:250:5044:200:0:0:0:0/56
  • 2001:250:5044:300:0:0:0:0/56
  • 2001:250:5044:400:0:0:0:0/56
  • 2001:250:5044:500:0:0:0:0/56
  • 2001:250:5044:600:0:0:0:0/56
  • 2001:250:5044:700:0:0:0:0/56
  • 2001:250:5044:800:0:0:0:0/56
  • 2001:250:5044:900:0:0:0:0/56
  • 2001:250:5044:a00:0:0:0:0/56
  • 2001:250:5044:b00:0:0:0:0/56
  • 2001:250:5044:c00:0:0:0:0/56
  • 2001:250:5044:d00:0:0:0:0/56
  • 2001:250:5044:e00:0:0:0:0/56
  • 2001:250:5044:f00:0:0:0:0/56
  • 2001:250:5044:1000:0:0:0:0/56
  • 2001:250:5044:1100:0:0:0:0/56
  • 2001:250:5044:1200:0:0:0:0/56
  • 2001:250:5044:1300:0:0:0:0/56
  • 2001:250:5044:1400:0:0:0:0/56
  • 2001:250:5044:1500:0:0:0:0/56
  • 2001:250:5044:1600:0:0:0:0/56
  • 2001:250:5044:1700:0:0:0:0/56
  • 2001:250:5044:1800:0:0:0:0/56
  • 2001:250:5044:1900:0:0:0:0/56
  • 2001:250:5044:1a00:0:0:0:0/56
  • 2001:250:5044:1b00:0:0:0:0/56
  • 2001:250:5044:1c00:0:0:0:0/56
  • 2001:250:5044:1d00:0:0:0:0/56
  • 2001:250:5044:1e00:0:0:0:0/56
  • 2001:250:5044:1f00:0:0:0:0/56
  • 2001:250:5044:2000:0:0:0:0/56
  • 2001:250:5044:2100:0:0:0:0/56
  • 2001:250:5044:2200:0:0:0:0/56
  • 2001:250:5044:2300:0:0:0:0/56
  • 2001:250:5044:2400:0:0:0:0/56
  • 2001:250:5044:2500:0:0:0:0/56
  • 2001:250:5044:2600:0:0:0:0/56
  • 2001:250:5044:2700:0:0:0:0/56
  • 2001:250:5044:2800:0:0:0:0/56
  • 2001:250:5044:2900:0:0:0:0/56
  • 2001:250:5044:2a00:0:0:0:0/56
  • 2001:250:5044:2b00:0:0:0:0/56
  • 2001:250:5044:2c00:0:0:0:0/56
  • 2001:250:5044:2d00:0:0:0:0/56
  • 2001:250:5044:2e00:0:0:0:0/56
  • 2001:250:5044:2f00:0:0:0:0/56
  • 2001:250:5044:3000:0:0:0:0/56
  • 2001:250:5044:3100:0:0:0:0/56
  • 2001:250:5044:3200:0:0:0:0/56
  • 2001:250:5044:3300:0:0:0:0/56
  • 2001:250:5044:3400:0:0:0:0/56
  • 2001:250:5044:3500:0:0:0:0/56
  • 2001:250:5044:3600:0:0:0:0/56
  • 2001:250:5044:3700:0:0:0:0/56
  • 2001:250:5044:3800:0:0:0:0/56
  • 2001:250:5044:3900:0:0:0:0/56
  • 2001:250:5044:3a00:0:0:0:0/56
  • 2001:250:5044:3b00:0:0:0:0/56
  • 2001:250:5044:3c00:0:0:0:0/56
  • 2001:250:5044:3d00:0:0:0:0/56
  • 2001:250:5044:3e00:0:0:0:0/56
  • 2001:250:5044:3f00:0:0:0:0/56
  • 2001:250:5044:4000:0:0:0:0/56
  • 2001:250:5044:4100:0:0:0:0/56
  • 2001:250:5044:4200:0:0:0:0/56
  • 2001:250:5044:4300:0:0:0:0/56
  • 2001:250:5044:4400:0:0:0:0/56
  • 2001:250:5044:4500:0:0:0:0/56
  • 2001:250:5044:4600:0:0:0:0/56
  • 2001:250:5044:4700:0:0:0:0/56
  • 2001:250:5044:4800:0:0:0:0/56
  • 2001:250:5044:4900:0:0:0:0/56
  • 2001:250:5044:4a00:0:0:0:0/56
  • 2001:250:5044:4b00:0:0:0:0/56
  • 2001:250:5044:4c00:0:0:0:0/56
  • 2001:250:5044:4d00:0:0:0:0/56
  • 2001:250:5044:4e00:0:0:0:0/56
  • 2001:250:5044:4f00:0:0:0:0/56
  • 2001:250:5044:5000:0:0:0:0/56
  • 2001:250:5044:5100:0:0:0:0/56
  • 2001:250:5044:5200:0:0:0:0/56
  • 2001:250:5044:5300:0:0:0:0/56
  • 2001:250:5044:5400:0:0:0:0/56
  • 2001:250:5044:5500:0:0:0:0/56
  • 2001:250:5044:5600:0:0:0:0/56
  • 2001:250:5044:5700:0:0:0:0/56
  • 2001:250:5044:5800:0:0:0:0/56
  • 2001:250:5044:5900:0:0:0:0/56
  • 2001:250:5044:5a00:0:0:0:0/56
  • 2001:250:5044:5b00:0:0:0:0/56
  • 2001:250:5044:5c00:0:0:0:0/56
  • 2001:250:5044:5d00:0:0:0:0/56
  • 2001:250:5044:5e00:0:0:0:0/56
  • 2001:250:5044:5f00:0:0:0:0/56
  • 2001:250:5044:6000:0:0:0:0/56
  • 2001:250:5044:6100:0:0:0:0/56
  • 2001:250:5044:6200:0:0:0:0/56
  • 2001:250:5044:6300:0:0:0:0/56
  • 2001:250:5044:6400:0:0:0:0/56
  • 2001:250:5044:6500:0:0:0:0/56
  • 2001:250:5044:6600:0:0:0:0/56
  • 2001:250:5044:6700:0:0:0:0/56
  • 2001:250:5044:6800:0:0:0:0/56
  • 2001:250:5044:6900:0:0:0:0/56
  • 2001:250:5044:6a00:0:0:0:0/56
  • 2001:250:5044:6b00:0:0:0:0/56
  • 2001:250:5044:6c00:0:0:0:0/56
  • 2001:250:5044:6d00:0:0:0:0/56
  • 2001:250:5044:6e00:0:0:0:0/56
  • 2001:250:5044:6f00:0:0:0:0/56
  • 2001:250:5044:7000:0:0:0:0/56
  • 2001:250:5044:7100:0:0:0:0/56
  • 2001:250:5044:7200:0:0:0:0/56
  • 2001:250:5044:7300:0:0:0:0/56
  • 2001:250:5044:7400:0:0:0:0/56
  • 2001:250:5044:7500:0:0:0:0/56
  • 2001:250:5044:7600:0:0:0:0/56
  • 2001:250:5044:7700:0:0:0:0/56
  • 2001:250:5044:7800:0:0:0:0/56
  • 2001:250:5044:7900:0:0:0:0/56
  • 2001:250:5044:7a00:0:0:0:0/56
  • 2001:250:5044:7b00:0:0:0:0/56
  • 2001:250:5044:7c00:0:0:0:0/56
  • 2001:250:5044:7d00:0:0:0:0/56
  • 2001:250:5044:7e00:0:0:0:0/56
  • 2001:250:5044:7f00:0:0:0:0/56
  • 2001:250:5044:8000:0:0:0:0/56
  • 2001:250:5044:8100:0:0:0:0/56
  • 2001:250:5044:8200:0:0:0:0/56
  • 2001:250:5044:8300:0:0:0:0/56
  • 2001:250:5044:8400:0:0:0:0/56
  • 2001:250:5044:8500:0:0:0:0/56
  • 2001:250:5044:8600:0:0:0:0/56
  • 2001:250:5044:8700:0:0:0:0/56
  • 2001:250:5044:8800:0:0:0:0/56
  • 2001:250:5044:8900:0:0:0:0/56
  • 2001:250:5044:8a00:0:0:0:0/56
  • 2001:250:5044:8b00:0:0:0:0/56
  • 2001:250:5044:8c00:0:0:0:0/56
  • 2001:250:5044:8d00:0:0:0:0/56
  • 2001:250:5044:8e00:0:0:0:0/56
  • 2001:250:5044:8f00:0:0:0:0/56
  • 2001:250:5044:9000:0:0:0:0/56
  • 2001:250:5044:9100:0:0:0:0/56
  • 2001:250:5044:9200:0:0:0:0/56
  • 2001:250:5044:9300:0:0:0:0/56
  • 2001:250:5044:9400:0:0:0:0/56
  • 2001:250:5044:9500:0:0:0:0/56
  • 2001:250:5044:9600:0:0:0:0/56
  • 2001:250:5044:9700:0:0:0:0/56
  • 2001:250:5044:9800:0:0:0:0/56
  • 2001:250:5044:9900:0:0:0:0/56
  • 2001:250:5044:9a00:0:0:0:0/56
  • 2001:250:5044:9b00:0:0:0:0/56
  • 2001:250:5044:9c00:0:0:0:0/56
  • 2001:250:5044:9d00:0:0:0:0/56
  • 2001:250:5044:9e00:0:0:0:0/56
  • 2001:250:5044:9f00:0:0:0:0/56
  • 2001:250:5044:a000:0:0:0:0/56
  • 2001:250:5044:a100:0:0:0:0/56
  • 2001:250:5044:a200:0:0:0:0/56
  • 2001:250:5044:a300:0:0:0:0/56
  • 2001:250:5044:a400:0:0:0:0/56
  • 2001:250:5044:a500:0:0:0:0/56
  • 2001:250:5044:a600:0:0:0:0/56
  • 2001:250:5044:a700:0:0:0:0/56
  • 2001:250:5044:a800:0:0:0:0/56
  • 2001:250:5044:a900:0:0:0:0/56
  • 2001:250:5044:aa00:0:0:0:0/56
  • 2001:250:5044:ab00:0:0:0:0/56
  • 2001:250:5044:ac00:0:0:0:0/56
  • 2001:250:5044:ad00:0:0:0:0/56
  • 2001:250:5044:ae00:0:0:0:0/56
  • 2001:250:5044:af00:0:0:0:0/56
  • 2001:250:5044:b000:0:0:0:0/56
  • 2001:250:5044:b100:0:0:0:0/56
  • 2001:250:5044:b200:0:0:0:0/56
  • 2001:250:5044:b300:0:0:0:0/56
  • 2001:250:5044:b400:0:0:0:0/56
  • 2001:250:5044:b500:0:0:0:0/56
  • 2001:250:5044:b600:0:0:0:0/56
  • 2001:250:5044:b700:0:0:0:0/56
  • 2001:250:5044:b800:0:0:0:0/56
  • 2001:250:5044:b900:0:0:0:0/56
  • 2001:250:5044:ba00:0:0:0:0/56
  • 2001:250:5044:bb00:0:0:0:0/56
  • 2001:250:5044:bc00:0:0:0:0/56
  • 2001:250:5044:bd00:0:0:0:0/56
  • 2001:250:5044:be00:0:0:0:0/56
  • 2001:250:5044:bf00:0:0:0:0/56
  • 2001:250:5044:c000:0:0:0:0/56
  • 2001:250:5044:c100:0:0:0:0/56
  • 2001:250:5044:c200:0:0:0:0/56
  • 2001:250:5044:c300:0:0:0:0/56
  • 2001:250:5044:c400:0:0:0:0/56
  • 2001:250:5044:c500:0:0:0:0/56
  • 2001:250:5044:c600:0:0:0:0/56
  • 2001:250:5044:c700:0:0:0:0/56
  • 2001:250:5044:c800:0:0:0:0/56
  • 2001:250:5044:c900:0:0:0:0/56
  • 2001:250:5044:ca00:0:0:0:0/56
  • 2001:250:5044:cb00:0:0:0:0/56
  • 2001:250:5044:cc00:0:0:0:0/56
  • 2001:250:5044:cd00:0:0:0:0/56
  • 2001:250:5044:ce00:0:0:0:0/56
  • 2001:250:5044:cf00:0:0:0:0/56
  • 2001:250:5044:d000:0:0:0:0/56
  • 2001:250:5044:d100:0:0:0:0/56
  • 2001:250:5044:d200:0:0:0:0/56
  • 2001:250:5044:d300:0:0:0:0/56
  • 2001:250:5044:d400:0:0:0:0/56
  • 2001:250:5044:d500:0:0:0:0/56
  • 2001:250:5044:d600:0:0:0:0/56
  • 2001:250:5044:d700:0:0:0:0/56
  • 2001:250:5044:d800:0:0:0:0/56
  • 2001:250:5044:d900:0:0:0:0/56
  • 2001:250:5044:da00:0:0:0:0/56
  • 2001:250:5044:db00:0:0:0:0/56
  • 2001:250:5044:dc00:0:0:0:0/56
  • 2001:250:5044:dd00:0:0:0:0/56
  • 2001:250:5044:de00:0:0:0:0/56
  • 2001:250:5044:df00:0:0:0:0/56
  • 2001:250:5044:e000:0:0:0:0/56
  • 2001:250:5044:e100:0:0:0:0/56
  • 2001:250:5044:e200:0:0:0:0/56
  • 2001:250:5044:e300:0:0:0:0/56
  • 2001:250:5044:e400:0:0:0:0/56
  • 2001:250:5044:e500:0:0:0:0/56
  • 2001:250:5044:e600:0:0:0:0/56
  • 2001:250:5044:e700:0:0:0:0/56
  • 2001:250:5044:e800:0:0:0:0/56
  • 2001:250:5044:e900:0:0:0:0/56
  • 2001:250:5044:ea00:0:0:0:0/56
  • 2001:250:5044:eb00:0:0:0:0/56
  • 2001:250:5044:ec00:0:0:0:0/56
  • 2001:250:5044:ed00:0:0:0:0/56
  • 2001:250:5044:ee00:0:0:0:0/56
  • 2001:250:5044:ef00:0:0:0:0/56
  • 2001:250:5044:f000:0:0:0:0/56
  • 2001:250:5044:f100:0:0:0:0/56
  • 2001:250:5044:f200:0:0:0:0/56
  • 2001:250:5044:f300:0:0:0:0/56
  • 2001:250:5044:f400:0:0:0:0/56
  • 2001:250:5044:f500:0:0:0:0/56
  • 2001:250:5044:f600:0:0:0:0/56
  • 2001:250:5044:f700:0:0:0:0/56
  • 2001:250:5044:f800:0:0:0:0/56
  • 2001:250:5044:f900:0:0:0:0/56
  • 2001:250:5044:fa00:0:0:0:0/56
  • 2001:250:5044:fb00:0:0:0:0/56
  • 2001:250:5044:fc00:0:0:0:0/56
  • 2001:250:5044:fd00:0:0:0:0/56
  • 2001:250:5044:fe00:0:0:0:0/56
  • 2001:250:5044:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up