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:ca1d::/32 subnet

  • 240c:ca1d:0:0:0:0:0:0/40
  • 240c:ca1d:100:0:0:0:0:0/40
  • 240c:ca1d:200:0:0:0:0:0/40
  • 240c:ca1d:300:0:0:0:0:0/40
  • 240c:ca1d:400:0:0:0:0:0/40
  • 240c:ca1d:500:0:0:0:0:0/40
  • 240c:ca1d:600:0:0:0:0:0/40
  • 240c:ca1d:700:0:0:0:0:0/40
  • 240c:ca1d:800:0:0:0:0:0/40
  • 240c:ca1d:900:0:0:0:0:0/40
  • 240c:ca1d:a00:0:0:0:0:0/40
  • 240c:ca1d:b00:0:0:0:0:0/40
  • 240c:ca1d:c00:0:0:0:0:0/40
  • 240c:ca1d:d00:0:0:0:0:0/40
  • 240c:ca1d:e00:0:0:0:0:0/40
  • 240c:ca1d:f00:0:0:0:0:0/40
  • 240c:ca1d:1000:0:0:0:0:0/40
  • 240c:ca1d:1100:0:0:0:0:0/40
  • 240c:ca1d:1200:0:0:0:0:0/40
  • 240c:ca1d:1300:0:0:0:0:0/40
  • 240c:ca1d:1400:0:0:0:0:0/40
  • 240c:ca1d:1500:0:0:0:0:0/40
  • 240c:ca1d:1600:0:0:0:0:0/40
  • 240c:ca1d:1700:0:0:0:0:0/40
  • 240c:ca1d:1800:0:0:0:0:0/40
  • 240c:ca1d:1900:0:0:0:0:0/40
  • 240c:ca1d:1a00:0:0:0:0:0/40
  • 240c:ca1d:1b00:0:0:0:0:0/40
  • 240c:ca1d:1c00:0:0:0:0:0/40
  • 240c:ca1d:1d00:0:0:0:0:0/40
  • 240c:ca1d:1e00:0:0:0:0:0/40
  • 240c:ca1d:1f00:0:0:0:0:0/40
  • 240c:ca1d:2000:0:0:0:0:0/40
  • 240c:ca1d:2100:0:0:0:0:0/40
  • 240c:ca1d:2200:0:0:0:0:0/40
  • 240c:ca1d:2300:0:0:0:0:0/40
  • 240c:ca1d:2400:0:0:0:0:0/40
  • 240c:ca1d:2500:0:0:0:0:0/40
  • 240c:ca1d:2600:0:0:0:0:0/40
  • 240c:ca1d:2700:0:0:0:0:0/40
  • 240c:ca1d:2800:0:0:0:0:0/40
  • 240c:ca1d:2900:0:0:0:0:0/40
  • 240c:ca1d:2a00:0:0:0:0:0/40
  • 240c:ca1d:2b00:0:0:0:0:0/40
  • 240c:ca1d:2c00:0:0:0:0:0/40
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  • 240c:ca1d:2e00:0:0:0:0:0/40
  • 240c:ca1d:2f00:0:0:0:0:0/40
  • 240c:ca1d:3000:0:0:0:0:0/40
  • 240c:ca1d:3100:0:0:0:0:0/40
  • 240c:ca1d:3200:0:0:0:0:0/40
  • 240c:ca1d:3300:0:0:0:0:0/40
  • 240c:ca1d:3400:0:0:0:0:0/40
  • 240c:ca1d:3500:0:0:0:0:0/40
  • 240c:ca1d:3600:0:0:0:0:0/40
  • 240c:ca1d:3700:0:0:0:0:0/40
  • 240c:ca1d:3800:0:0:0:0:0/40
  • 240c:ca1d:3900:0:0:0:0:0/40
  • 240c:ca1d:3a00:0:0:0:0:0/40
  • 240c:ca1d:3b00:0:0:0:0:0/40
  • 240c:ca1d:3c00:0:0:0:0:0/40
  • 240c:ca1d:3d00:0:0:0:0:0/40
  • 240c:ca1d:3e00:0:0:0:0:0/40
  • 240c:ca1d:3f00:0:0:0:0:0/40
  • 240c:ca1d:4000:0:0:0:0:0/40
  • 240c:ca1d:4100:0:0:0:0:0/40
  • 240c:ca1d:4200:0:0:0:0:0/40
  • 240c:ca1d:4300:0:0:0:0:0/40
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  • 240c:ca1d:4d00:0:0:0:0:0/40
  • 240c:ca1d:4e00:0:0:0:0:0/40
  • 240c:ca1d:4f00:0:0:0:0:0/40
  • 240c:ca1d:5000:0:0:0:0:0/40
  • 240c:ca1d:5100:0:0:0:0:0/40
  • 240c:ca1d:5200:0:0:0:0:0/40
  • 240c:ca1d:5300:0:0:0:0:0/40
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  • 240c:ca1d:5600:0:0:0:0:0/40
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  • 240c:ca1d:5a00:0:0:0:0:0/40
  • 240c:ca1d:5b00:0:0:0:0:0/40
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  • 240c:ca1d:5d00:0:0:0:0:0/40
  • 240c:ca1d:5e00:0:0:0:0:0/40
  • 240c:ca1d:5f00:0:0:0:0:0/40
  • 240c:ca1d:6000:0:0:0:0:0/40
  • 240c:ca1d:6100:0:0:0:0:0/40
  • 240c:ca1d:6200:0:0:0:0:0/40
  • 240c:ca1d:6300:0:0:0:0:0/40
  • 240c:ca1d:6400:0:0:0:0:0/40
  • 240c:ca1d:6500:0:0:0:0:0/40
  • 240c:ca1d:6600:0:0:0:0:0/40
  • 240c:ca1d:6700:0:0:0:0:0/40
  • 240c:ca1d:6800:0:0:0:0:0/40
  • 240c:ca1d:6900:0:0:0:0:0/40
  • 240c:ca1d:6a00:0:0:0:0:0/40
  • 240c:ca1d:6b00:0:0:0:0:0/40
  • 240c:ca1d:6c00:0:0:0:0:0/40
  • 240c:ca1d:6d00:0:0:0:0:0/40
  • 240c:ca1d:6e00:0:0:0:0:0/40
  • 240c:ca1d:6f00:0:0:0:0:0/40
  • 240c:ca1d:7000:0:0:0:0:0/40
  • 240c:ca1d:7100:0:0:0:0:0/40
  • 240c:ca1d:7200:0:0:0:0:0/40
  • 240c:ca1d:7300:0:0:0:0:0/40
  • 240c:ca1d:7400:0:0:0:0:0/40
  • 240c:ca1d:7500:0:0:0:0:0/40
  • 240c:ca1d:7600:0:0:0:0:0/40
  • 240c:ca1d:7700:0:0:0:0:0/40
  • 240c:ca1d:7800:0:0:0:0:0/40
  • 240c:ca1d:7900:0:0:0:0:0/40
  • 240c:ca1d:7a00:0:0:0:0:0/40
  • 240c:ca1d:7b00:0:0:0:0:0/40
  • 240c:ca1d:7c00:0:0:0:0:0/40
  • 240c:ca1d:7d00:0:0:0:0:0/40
  • 240c:ca1d:7e00:0:0:0:0:0/40
  • 240c:ca1d:7f00:0:0:0:0:0/40
  • 240c:ca1d:8000:0:0:0:0:0/40
  • 240c:ca1d:8100:0:0:0:0:0/40
  • 240c:ca1d:8200:0:0:0:0:0/40
  • 240c:ca1d:8300:0:0:0:0:0/40
  • 240c:ca1d:8400:0:0:0:0:0/40
  • 240c:ca1d:8500:0:0:0:0:0/40
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  • 240c:ca1d:8700:0:0:0:0:0/40
  • 240c:ca1d:8800:0:0:0:0:0/40
  • 240c:ca1d:8900:0:0:0:0:0/40
  • 240c:ca1d:8a00:0:0:0:0:0/40
  • 240c:ca1d:8b00:0:0:0:0:0/40
  • 240c:ca1d:8c00:0:0:0:0:0/40
  • 240c:ca1d:8d00:0:0:0:0:0/40
  • 240c:ca1d:8e00:0:0:0:0:0/40
  • 240c:ca1d:8f00:0:0:0:0:0/40
  • 240c:ca1d:9000:0:0:0:0:0/40
  • 240c:ca1d:9100:0:0:0:0:0/40
  • 240c:ca1d:9200:0:0:0:0:0/40
  • 240c:ca1d:9300:0:0:0:0:0/40
  • 240c:ca1d:9400:0:0:0:0:0/40
  • 240c:ca1d:9500:0:0:0:0:0/40
  • 240c:ca1d:9600:0:0:0:0:0/40
  • 240c:ca1d:9700:0:0:0:0:0/40
  • 240c:ca1d:9800:0:0:0:0:0/40
  • 240c:ca1d:9900:0:0:0:0:0/40
  • 240c:ca1d:9a00:0:0:0:0:0/40
  • 240c:ca1d:9b00:0:0:0:0:0/40
  • 240c:ca1d:9c00:0:0:0:0:0/40
  • 240c:ca1d:9d00:0:0:0:0:0/40
  • 240c:ca1d:9e00:0:0:0:0:0/40
  • 240c:ca1d:9f00:0:0:0:0:0/40
  • 240c:ca1d:a000:0:0:0:0:0/40
  • 240c:ca1d:a100:0:0:0:0:0/40
  • 240c:ca1d:a200:0:0:0:0:0/40
  • 240c:ca1d:a300:0:0:0:0:0/40
  • 240c:ca1d:a400:0:0:0:0:0/40
  • 240c:ca1d:a500:0:0:0:0:0/40
  • 240c:ca1d:a600:0:0:0:0:0/40
  • 240c:ca1d:a700:0:0:0:0:0/40
  • 240c:ca1d:a800:0:0:0:0:0/40
  • 240c:ca1d:a900:0:0:0:0:0/40
  • 240c:ca1d:aa00:0:0:0:0:0/40
  • 240c:ca1d:ab00:0:0:0:0:0/40
  • 240c:ca1d:ac00:0:0:0:0:0/40
  • 240c:ca1d:ad00:0:0:0:0:0/40
  • 240c:ca1d:ae00:0:0:0:0:0/40
  • 240c:ca1d:af00:0:0:0:0:0/40
  • 240c:ca1d:b000:0:0:0:0:0/40
  • 240c:ca1d:b100:0:0:0:0:0/40
  • 240c:ca1d:b200:0:0:0:0:0/40
  • 240c:ca1d:b300:0:0:0:0:0/40
  • 240c:ca1d:b400:0:0:0:0:0/40
  • 240c:ca1d:b500:0:0:0:0:0/40
  • 240c:ca1d:b600:0:0:0:0:0/40
  • 240c:ca1d:b700:0:0:0:0:0/40
  • 240c:ca1d:b800:0:0:0:0:0/40
  • 240c:ca1d:b900:0:0:0:0:0/40
  • 240c:ca1d:ba00:0:0:0:0:0/40
  • 240c:ca1d:bb00:0:0:0:0:0/40
  • 240c:ca1d:bc00:0:0:0:0:0/40
  • 240c:ca1d:bd00:0:0:0:0:0/40
  • 240c:ca1d:be00:0:0:0:0:0/40
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  • 240c:ca1d:c000:0:0:0:0:0/40
  • 240c:ca1d:c100:0:0:0:0:0/40
  • 240c:ca1d:c200:0:0:0:0:0/40
  • 240c:ca1d:c300:0:0:0:0:0/40
  • 240c:ca1d:c400:0:0:0:0:0/40
  • 240c:ca1d:c500:0:0:0:0:0/40
  • 240c:ca1d:c600:0:0:0:0:0/40
  • 240c:ca1d:c700:0:0:0:0:0/40
  • 240c:ca1d:c800:0:0:0:0:0/40
  • 240c:ca1d:c900:0:0:0:0:0/40
  • 240c:ca1d:ca00:0:0:0:0:0/40
  • 240c:ca1d:cb00:0:0:0:0:0/40
  • 240c:ca1d:cc00:0:0:0:0:0/40
  • 240c:ca1d:cd00:0:0:0:0:0/40
  • 240c:ca1d:ce00:0:0:0:0:0/40
  • 240c:ca1d:cf00:0:0:0:0:0/40
  • 240c:ca1d:d000:0:0:0:0:0/40
  • 240c:ca1d:d100:0:0:0:0:0/40
  • 240c:ca1d:d200:0:0:0:0:0/40
  • 240c:ca1d:d300:0:0:0:0:0/40
  • 240c:ca1d:d400:0:0:0:0:0/40
  • 240c:ca1d:d500:0:0:0:0:0/40
  • 240c:ca1d:d600:0:0:0:0:0/40
  • 240c:ca1d:d700:0:0:0:0:0/40
  • 240c:ca1d:d800:0:0:0:0:0/40
  • 240c:ca1d:d900:0:0:0:0:0/40
  • 240c:ca1d:da00:0:0:0:0:0/40
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  • 240c:ca1d:e200:0:0:0:0:0/40
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  • 240c:ca1d:e500:0:0:0:0:0/40
  • 240c:ca1d:e600:0:0:0:0:0/40
  • 240c:ca1d:e700:0:0:0:0:0/40
  • 240c:ca1d:e800:0:0:0:0:0/40
  • 240c:ca1d:e900:0:0:0:0:0/40
  • 240c:ca1d:ea00:0:0:0:0:0/40
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  • 240c:ca1d:ec00:0:0:0:0:0/40
  • 240c:ca1d:ed00:0:0:0:0:0/40
  • 240c:ca1d:ee00:0:0:0:0:0/40
  • 240c:ca1d:ef00:0:0:0:0:0/40
  • 240c:ca1d:f000:0:0:0:0:0/40
  • 240c:ca1d:f100:0:0:0:0:0/40
  • 240c:ca1d:f200:0:0:0:0:0/40
  • 240c:ca1d:f300:0:0:0:0:0/40
  • 240c:ca1d:f400:0:0:0:0:0/40
  • 240c:ca1d:f500:0:0:0:0:0/40
  • 240c:ca1d:f600:0:0:0:0:0/40
  • 240c:ca1d:f700:0:0:0:0:0/40
  • 240c:ca1d:f800:0:0:0:0:0/40
  • 240c:ca1d:f900:0:0:0:0:0/40
  • 240c:ca1d:fa00:0:0:0:0:0/40
  • 240c:ca1d:fb00:0:0:0:0:0/40
  • 240c:ca1d:fc00:0:0:0:0:0/40
  • 240c:ca1d:fd00:0:0:0:0:0/40
  • 240c:ca1d:fe00:0:0:0:0:0/40
  • 240c:ca1d:ff00:0:0:0:0:0/40

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