IP subnet details

240c:c000::/20

AS23910  — China Next Generation Internet Cernet2

Summary

Country
CN China
Domain cernic.net
Size 324,518,553,658,426,730,000,000,000,000,000
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 2025-01-22
mnt-by: MAINT-CERNET-AP
last-modified: 2025-01-22T13:47:43Z
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
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

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:c000::/20 subnet

  • 240c:c000:0:0:0:0:0:0/28
  • 240c:c010:0:0:0:0:0:0/28
  • 240c:c020:0:0:0:0:0:0/28
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  • 240c:c700:0:0:0:0:0:0/28
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  • 240c:c760:0:0:0:0:0:0/28
  • 240c:c770:0:0:0:0:0:0/28
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  • 240c:c790:0:0:0:0:0:0/28
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  • 240c:c800:0:0:0:0:0:0/28
  • 240c:c810:0:0:0:0:0:0/28
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  • 240c:c880:0:0:0:0:0:0/28
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  • 240c:c970:0:0:0:0:0:0/28
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  • 240c:ca00:0:0:0:0:0:0/28
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  • 240c:ca20:0:0:0:0:0:0/28
  • 240c:ca30:0:0:0:0:0:0/28
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  • 240c:ca50:0:0:0:0:0:0/28
  • 240c:ca60:0:0:0:0:0:0/28
  • 240c:ca70:0:0:0:0:0:0/28
  • 240c:ca80:0:0:0:0:0:0/28
  • 240c:ca90:0:0:0:0:0:0/28
  • 240c:caa0:0:0:0:0:0:0/28
  • 240c:cab0:0:0:0:0:0:0/28
  • 240c:cac0:0:0:0:0:0:0/28
  • 240c:cad0:0:0:0:0:0:0/28
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  • 240c:caf0:0:0:0:0:0:0/28
  • 240c:cb00:0:0:0:0:0:0/28
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  • 240c:cb30:0:0:0:0:0:0/28
  • 240c:cb40:0:0:0:0:0:0/28
  • 240c:cb50:0:0:0:0:0:0/28
  • 240c:cb60:0:0:0:0:0:0/28
  • 240c:cb70:0:0:0:0:0:0/28
  • 240c:cb80:0:0:0:0:0:0/28
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