IP subnet details

240c:cf81::/32

AS138378  — China Education And Research Network (cernet)

Summary

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

Whois

[whois.apnic.net]



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 2023-12-14
mnt-by: MAINT-CERNET-AP
last-modified: 2023-12-14T03:44:39Z
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 2023-12-14
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2023-12-14T03:44:51Z
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:cf81::/32 subnet

  • 240c:cf81:0:0:0:0:0:0/40
  • 240c:cf81:100:0:0:0:0:0/40
  • 240c:cf81:200:0:0:0:0:0/40
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  • 240c:cf81:1000:0:0:0:0:0/40
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  • 240c:cf81:1200:0:0:0:0:0/40
  • 240c:cf81:1300:0:0:0:0:0/40
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  • 240c:cf81:5000:0:0:0:0:0/40
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  • 240c:cf81:6a00:0:0:0:0:0/40
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  • 240c:cf81:7000:0:0:0:0:0/40
  • 240c:cf81:7100:0:0:0:0:0/40
  • 240c:cf81:7200:0:0:0:0:0/40
  • 240c:cf81:7300:0:0:0:0:0/40
  • 240c:cf81:7400:0:0:0:0:0/40
  • 240c:cf81:7500:0:0:0:0:0/40
  • 240c:cf81:7600:0:0:0:0:0/40
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  • 240c:cf81:7e00:0:0:0:0:0/40
  • 240c:cf81:7f00:0:0:0:0:0/40
  • 240c:cf81:8000:0:0:0:0:0/40
  • 240c:cf81:8100:0:0:0:0:0/40
  • 240c:cf81:8200:0:0:0:0:0/40
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  • 240c:cf81:9100:0:0:0:0:0/40
  • 240c:cf81:9200:0:0:0:0:0/40
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  • 240c:cf81:a000:0:0:0:0:0/40
  • 240c:cf81:a100:0:0:0:0:0/40
  • 240c:cf81:a200:0:0:0:0:0/40
  • 240c:cf81:a300:0:0:0:0:0/40
  • 240c:cf81:a400:0:0:0:0:0/40
  • 240c:cf81:a500:0:0:0:0:0/40
  • 240c:cf81:a600:0:0:0:0:0/40
  • 240c:cf81:a700:0:0:0:0:0/40
  • 240c:cf81:a800:0:0:0:0:0/40
  • 240c:cf81:a900:0:0:0:0:0/40
  • 240c:cf81:aa00:0:0:0:0:0/40
  • 240c:cf81:ab00:0:0:0:0:0/40
  • 240c:cf81:ac00:0:0:0:0:0/40
  • 240c:cf81:ad00:0:0:0:0:0/40
  • 240c:cf81:ae00:0:0:0:0:0/40
  • 240c:cf81:af00:0:0:0:0:0/40
  • 240c:cf81:b000:0:0:0:0:0/40
  • 240c:cf81:b100:0:0:0:0:0/40
  • 240c:cf81:b200:0:0:0:0:0/40
  • 240c:cf81:b300:0:0:0:0:0/40
  • 240c:cf81:b400:0:0:0:0:0/40
  • 240c:cf81:b500:0:0:0:0:0/40
  • 240c:cf81:b600:0:0:0:0:0/40
  • 240c:cf81:b700:0:0:0:0:0/40
  • 240c:cf81:b800:0:0:0:0:0/40
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  • 240c:cf81:d700:0:0:0:0:0/40
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  • 240c:cf81:f300:0:0:0:0:0/40
  • 240c:cf81:f400:0:0:0:0:0/40
  • 240c:cf81:f500:0:0:0:0:0/40
  • 240c:cf81:f600:0:0:0:0:0/40
  • 240c:cf81:f700:0:0:0:0:0/40
  • 240c:cf81:f800:0:0:0:0:0/40
  • 240c:cf81:f900:0:0:0:0:0/40
  • 240c:cf81:fa00:0:0:0:0:0/40
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  • 240c:cf81:fe00:0:0:0:0:0/40
  • 240c:cf81:ff00:0:0:0:0:0/40

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