Summary

Country
CN China
Domain cernic.net
Size 79,228,162,514,264,340,000,000,000,000
Registry APNIC
Network Name CERNET

Whois

inet6num: 240c:c000::/20
netname: CERNET
descr: China Education and Research Network
descr: Tsinghua University
country: CN
org: ORG-CEAR1-AP
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
remarks: --------------------------------------------
remarks: To report network abuse, please contact mnt-irt
remarks: For troubleshooting, please contact tech-c and admin-c
remarks: Report invalid contact via www.apnic.net/invalidcontact
remarks: -----------------------------------------------
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2023-08-28T06:40:49Z
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

organisation: ORG-CEAR1-AP
org-name: China Education and Research Network (CERNET)
country: CN
address: FIT 3-220,
address: Tsinghua University
phone: +86-10-62785983
fax-no: +86-10-62785933
e-mail: [email protected]
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2018-09-13T12:56:34Z
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

role: CERNET Helpdesk
address: CERNET Center
address: Beijing 100084, China
country: CN
phone: +86-10-6278-4049
fax-no: +86-10-6278-5933
e-mail: [email protected]
remarks: [email protected]
admin-c: XL1-CN
tech-c: SZ2-AP
nic-hdl: CER-AP
mnt-by: MAINT-CERNET-AP
last-modified: 2020-09-03T09:14:12Z
source: APNIC

route6: 240c:c000::/20
descr: CERNET
origin: AS23910
mnt-by: MAINT-CERNET-AP
last-modified: 2020-08-31T01:22:02Z
source: APNIC


CIDR IP address subranges within 240c:ceaa::/32 subnet

  • 240c:ceaa:0:0:0:0:0:0/40
  • 240c:ceaa:100:0:0:0:0:0/40
  • 240c:ceaa:200:0:0:0:0:0/40
  • 240c:ceaa:300:0:0:0:0:0/40
  • 240c:ceaa:400:0:0:0:0:0/40
  • 240c:ceaa:500:0:0:0:0:0/40
  • 240c:ceaa:600:0:0:0:0:0/40
  • 240c:ceaa:700:0:0:0:0:0/40
  • 240c:ceaa:800:0:0:0:0:0/40
  • 240c:ceaa:900:0:0:0:0:0/40
  • 240c:ceaa:a00:0:0:0:0:0/40
  • 240c:ceaa:b00:0:0:0:0:0/40
  • 240c:ceaa:c00:0:0:0:0:0/40
  • 240c:ceaa:d00:0:0:0:0:0/40
  • 240c:ceaa:e00:0:0:0:0:0/40
  • 240c:ceaa:f00:0:0:0:0:0/40
  • 240c:ceaa:1000:0:0:0:0:0/40
  • 240c:ceaa:1100:0:0:0:0:0/40
  • 240c:ceaa:1200:0:0:0:0:0/40
  • 240c:ceaa:1300:0:0:0:0:0/40
  • 240c:ceaa:1400:0:0:0:0:0/40
  • 240c:ceaa:1500:0:0:0:0:0/40
  • 240c:ceaa:1600:0:0:0:0:0/40
  • 240c:ceaa:1700:0:0:0:0:0/40
  • 240c:ceaa:1800:0:0:0:0:0/40
  • 240c:ceaa:1900:0:0:0:0:0/40
  • 240c:ceaa:1a00:0:0:0:0:0/40
  • 240c:ceaa:1b00:0:0:0:0:0/40
  • 240c:ceaa:1c00:0:0:0:0:0/40
  • 240c:ceaa:1d00:0:0:0:0:0/40
  • 240c:ceaa:1e00:0:0:0:0:0/40
  • 240c:ceaa:1f00:0:0:0:0:0/40
  • 240c:ceaa:2000:0:0:0:0:0/40
  • 240c:ceaa:2100:0:0:0:0:0/40
  • 240c:ceaa:2200:0:0:0:0:0/40
  • 240c:ceaa:2300:0:0:0:0:0/40
  • 240c:ceaa:2400:0:0:0:0:0/40
  • 240c:ceaa:2500:0:0:0:0:0/40
  • 240c:ceaa:2600:0:0:0:0:0/40
  • 240c:ceaa:2700:0:0:0:0:0/40
  • 240c:ceaa:2800:0:0:0:0:0/40
  • 240c:ceaa:2900:0:0:0:0:0/40
  • 240c:ceaa:2a00:0:0:0:0:0/40
  • 240c:ceaa:2b00:0:0:0:0:0/40
  • 240c:ceaa:2c00:0:0:0:0:0/40
  • 240c:ceaa:2d00:0:0:0:0:0/40
  • 240c:ceaa:2e00:0:0:0:0:0/40
  • 240c:ceaa:2f00:0:0:0:0:0/40
  • 240c:ceaa:3000:0:0:0:0:0/40
  • 240c:ceaa:3100:0:0:0:0:0/40
  • 240c:ceaa:3200:0:0:0:0:0/40
  • 240c:ceaa:3300:0:0:0:0:0/40
  • 240c:ceaa:3400:0:0:0:0:0/40
  • 240c:ceaa:3500:0:0:0:0:0/40
  • 240c:ceaa:3600:0:0:0:0:0/40
  • 240c:ceaa:3700:0:0:0:0:0/40
  • 240c:ceaa:3800:0:0:0:0:0/40
  • 240c:ceaa:3900:0:0:0:0:0/40
  • 240c:ceaa:3a00:0:0:0:0:0/40
  • 240c:ceaa:3b00:0:0:0:0:0/40
  • 240c:ceaa:3c00:0:0:0:0:0/40
  • 240c:ceaa:3d00:0:0:0:0:0/40
  • 240c:ceaa:3e00:0:0:0:0:0/40
  • 240c:ceaa:3f00:0:0:0:0:0/40
  • 240c:ceaa:4000:0:0:0:0:0/40
  • 240c:ceaa:4100:0:0:0:0:0/40
  • 240c:ceaa:4200:0:0:0:0:0/40
  • 240c:ceaa:4300:0:0:0:0:0/40
  • 240c:ceaa:4400:0:0:0:0:0/40
  • 240c:ceaa:4500:0:0:0:0:0/40
  • 240c:ceaa:4600:0:0:0:0:0/40
  • 240c:ceaa:4700:0:0:0:0:0/40
  • 240c:ceaa:4800:0:0:0:0:0/40
  • 240c:ceaa:4900:0:0:0:0:0/40
  • 240c:ceaa:4a00:0:0:0:0:0/40
  • 240c:ceaa:4b00:0:0:0:0:0/40
  • 240c:ceaa:4c00:0:0:0:0:0/40
  • 240c:ceaa:4d00:0:0:0:0:0/40
  • 240c:ceaa:4e00:0:0:0:0:0/40
  • 240c:ceaa:4f00:0:0:0:0:0/40
  • 240c:ceaa:5000:0:0:0:0:0/40
  • 240c:ceaa:5100:0:0:0:0:0/40
  • 240c:ceaa:5200:0:0:0:0:0/40
  • 240c:ceaa:5300:0:0:0:0:0/40
  • 240c:ceaa:5400:0:0:0:0:0/40
  • 240c:ceaa:5500:0:0:0:0:0/40
  • 240c:ceaa:5600:0:0:0:0:0/40
  • 240c:ceaa:5700:0:0:0:0:0/40
  • 240c:ceaa:5800:0:0:0:0:0/40
  • 240c:ceaa:5900:0:0:0:0:0/40
  • 240c:ceaa:5a00:0:0:0:0:0/40
  • 240c:ceaa:5b00:0:0:0:0:0/40
  • 240c:ceaa:5c00:0:0:0:0:0/40
  • 240c:ceaa:5d00:0:0:0:0:0/40
  • 240c:ceaa:5e00:0:0:0:0:0/40
  • 240c:ceaa:5f00:0:0:0:0:0/40
  • 240c:ceaa:6000:0:0:0:0:0/40
  • 240c:ceaa:6100:0:0:0:0:0/40
  • 240c:ceaa:6200:0:0:0:0:0/40
  • 240c:ceaa:6300:0:0:0:0:0/40
  • 240c:ceaa:6400:0:0:0:0:0/40
  • 240c:ceaa:6500:0:0:0:0:0/40
  • 240c:ceaa:6600:0:0:0:0:0/40
  • 240c:ceaa:6700:0:0:0:0:0/40
  • 240c:ceaa:6800:0:0:0:0:0/40
  • 240c:ceaa:6900:0:0:0:0:0/40
  • 240c:ceaa:6a00:0:0:0:0:0/40
  • 240c:ceaa:6b00:0:0:0:0:0/40
  • 240c:ceaa:6c00:0:0:0:0:0/40
  • 240c:ceaa:6d00:0:0:0:0:0/40
  • 240c:ceaa:6e00:0:0:0:0:0/40
  • 240c:ceaa:6f00:0:0:0:0:0/40
  • 240c:ceaa:7000:0:0:0:0:0/40
  • 240c:ceaa:7100:0:0:0:0:0/40
  • 240c:ceaa:7200:0:0:0:0:0/40
  • 240c:ceaa:7300:0:0:0:0:0/40
  • 240c:ceaa:7400:0:0:0:0:0/40
  • 240c:ceaa:7500:0:0:0:0:0/40
  • 240c:ceaa:7600:0:0:0:0:0/40
  • 240c:ceaa:7700:0:0:0:0:0/40
  • 240c:ceaa:7800:0:0:0:0:0/40
  • 240c:ceaa:7900:0:0:0:0:0/40
  • 240c:ceaa:7a00:0:0:0:0:0/40
  • 240c:ceaa:7b00:0:0:0:0:0/40
  • 240c:ceaa:7c00:0:0:0:0:0/40
  • 240c:ceaa:7d00:0:0:0:0:0/40
  • 240c:ceaa:7e00:0:0:0:0:0/40
  • 240c:ceaa:7f00:0:0:0:0:0/40
  • 240c:ceaa:8000:0:0:0:0:0/40
  • 240c:ceaa:8100:0:0:0:0:0/40
  • 240c:ceaa:8200:0:0:0:0:0/40
  • 240c:ceaa:8300:0:0:0:0:0/40
  • 240c:ceaa:8400:0:0:0:0:0/40
  • 240c:ceaa:8500:0:0:0:0:0/40
  • 240c:ceaa:8600:0:0:0:0:0/40
  • 240c:ceaa:8700:0:0:0:0:0/40
  • 240c:ceaa:8800:0:0:0:0:0/40
  • 240c:ceaa:8900:0:0:0:0:0/40
  • 240c:ceaa:8a00:0:0:0:0:0/40
  • 240c:ceaa:8b00:0:0:0:0:0/40
  • 240c:ceaa:8c00:0:0:0:0:0/40
  • 240c:ceaa:8d00:0:0:0:0:0/40
  • 240c:ceaa:8e00:0:0:0:0:0/40
  • 240c:ceaa:8f00:0:0:0:0:0/40
  • 240c:ceaa:9000:0:0:0:0:0/40
  • 240c:ceaa:9100:0:0:0:0:0/40
  • 240c:ceaa:9200:0:0:0:0:0/40
  • 240c:ceaa:9300:0:0:0:0:0/40
  • 240c:ceaa:9400:0:0:0:0:0/40
  • 240c:ceaa:9500:0:0:0:0:0/40
  • 240c:ceaa:9600:0:0:0:0:0/40
  • 240c:ceaa:9700:0:0:0:0:0/40
  • 240c:ceaa:9800:0:0:0:0:0/40
  • 240c:ceaa:9900:0:0:0:0:0/40
  • 240c:ceaa:9a00:0:0:0:0:0/40
  • 240c:ceaa:9b00:0:0:0:0:0/40
  • 240c:ceaa:9c00:0:0:0:0:0/40
  • 240c:ceaa:9d00:0:0:0:0:0/40
  • 240c:ceaa:9e00:0:0:0:0:0/40
  • 240c:ceaa:9f00:0:0:0:0:0/40
  • 240c:ceaa:a000:0:0:0:0:0/40
  • 240c:ceaa:a100:0:0:0:0:0/40
  • 240c:ceaa:a200:0:0:0:0:0/40
  • 240c:ceaa:a300:0:0:0:0:0/40
  • 240c:ceaa:a400:0:0:0:0:0/40
  • 240c:ceaa:a500:0:0:0:0:0/40
  • 240c:ceaa:a600:0:0:0:0:0/40
  • 240c:ceaa:a700:0:0:0:0:0/40
  • 240c:ceaa:a800:0:0:0:0:0/40
  • 240c:ceaa:a900:0:0:0:0:0/40
  • 240c:ceaa:aa00:0:0:0:0:0/40
  • 240c:ceaa:ab00:0:0:0:0:0/40
  • 240c:ceaa:ac00:0:0:0:0:0/40
  • 240c:ceaa:ad00:0:0:0:0:0/40
  • 240c:ceaa:ae00:0:0:0:0:0/40
  • 240c:ceaa:af00:0:0:0:0:0/40
  • 240c:ceaa:b000:0:0:0:0:0/40
  • 240c:ceaa:b100:0:0:0:0:0/40
  • 240c:ceaa:b200:0:0:0:0:0/40
  • 240c:ceaa:b300:0:0:0:0:0/40
  • 240c:ceaa:b400:0:0:0:0:0/40
  • 240c:ceaa:b500:0:0:0:0:0/40
  • 240c:ceaa:b600:0:0:0:0:0/40
  • 240c:ceaa:b700:0:0:0:0:0/40
  • 240c:ceaa:b800:0:0:0:0:0/40
  • 240c:ceaa:b900:0:0:0:0:0/40
  • 240c:ceaa:ba00:0:0:0:0:0/40
  • 240c:ceaa:bb00:0:0:0:0:0/40
  • 240c:ceaa:bc00:0:0:0:0:0/40
  • 240c:ceaa:bd00:0:0:0:0:0/40
  • 240c:ceaa:be00:0:0:0:0:0/40
  • 240c:ceaa:bf00:0:0:0:0:0/40
  • 240c:ceaa:c000:0:0:0:0:0/40
  • 240c:ceaa:c100:0:0:0:0:0/40
  • 240c:ceaa:c200:0:0:0:0:0/40
  • 240c:ceaa:c300:0:0:0:0:0/40
  • 240c:ceaa:c400:0:0:0:0:0/40
  • 240c:ceaa:c500:0:0:0:0:0/40
  • 240c:ceaa:c600:0:0:0:0:0/40
  • 240c:ceaa:c700:0:0:0:0:0/40
  • 240c:ceaa:c800:0:0:0:0:0/40
  • 240c:ceaa:c900:0:0:0:0:0/40
  • 240c:ceaa:ca00:0:0:0:0:0/40
  • 240c:ceaa:cb00:0:0:0:0:0/40
  • 240c:ceaa:cc00:0:0:0:0:0/40
  • 240c:ceaa:cd00:0:0:0:0:0/40
  • 240c:ceaa:ce00:0:0:0:0:0/40
  • 240c:ceaa:cf00:0:0:0:0:0/40
  • 240c:ceaa:d000:0:0:0:0:0/40
  • 240c:ceaa:d100:0:0:0:0:0/40
  • 240c:ceaa:d200:0:0:0:0:0/40
  • 240c:ceaa:d300:0:0:0:0:0/40
  • 240c:ceaa:d400:0:0:0:0:0/40
  • 240c:ceaa:d500:0:0:0:0:0/40
  • 240c:ceaa:d600:0:0:0:0:0/40
  • 240c:ceaa:d700:0:0:0:0:0/40
  • 240c:ceaa:d800:0:0:0:0:0/40
  • 240c:ceaa:d900:0:0:0:0:0/40
  • 240c:ceaa:da00:0:0:0:0:0/40
  • 240c:ceaa:db00:0:0:0:0:0/40
  • 240c:ceaa:dc00:0:0:0:0:0/40
  • 240c:ceaa:dd00:0:0:0:0:0/40
  • 240c:ceaa:de00:0:0:0:0:0/40
  • 240c:ceaa:df00:0:0:0:0:0/40
  • 240c:ceaa:e000:0:0:0:0:0/40
  • 240c:ceaa:e100:0:0:0:0:0/40
  • 240c:ceaa:e200:0:0:0:0:0/40
  • 240c:ceaa:e300:0:0:0:0:0/40
  • 240c:ceaa:e400:0:0:0:0:0/40
  • 240c:ceaa:e500:0:0:0:0:0/40
  • 240c:ceaa:e600:0:0:0:0:0/40
  • 240c:ceaa:e700:0:0:0:0:0/40
  • 240c:ceaa:e800:0:0:0:0:0/40
  • 240c:ceaa:e900:0:0:0:0:0/40
  • 240c:ceaa:ea00:0:0:0:0:0/40
  • 240c:ceaa:eb00:0:0:0:0:0/40
  • 240c:ceaa:ec00:0:0:0:0:0/40
  • 240c:ceaa:ed00:0:0:0:0:0/40
  • 240c:ceaa:ee00:0:0:0:0:0/40
  • 240c:ceaa:ef00:0:0:0:0:0/40
  • 240c:ceaa:f000:0:0:0:0:0/40
  • 240c:ceaa:f100:0:0:0:0:0/40
  • 240c:ceaa:f200:0:0:0:0:0/40
  • 240c:ceaa:f300:0:0:0:0:0/40
  • 240c:ceaa:f400:0:0:0:0:0/40
  • 240c:ceaa:f500:0:0:0:0:0/40
  • 240c:ceaa:f600:0:0:0:0:0/40
  • 240c:ceaa:f700:0:0:0:0:0/40
  • 240c:ceaa:f800:0:0:0:0:0/40
  • 240c:ceaa:f900:0:0:0:0:0/40
  • 240c:ceaa:fa00:0:0:0:0:0/40
  • 240c:ceaa:fb00:0:0:0:0:0/40
  • 240c:ceaa:fc00:0:0:0:0:0/40
  • 240c:ceaa:fd00:0:0:0:0:0/40
  • 240c:ceaa:fe00:0:0:0:0:0/40
  • 240c:ceaa:ff00:0:0:0:0:0/40

Get started with 100,000 free lookups: sign up