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:ca49::/32 subnet

  • 240c:ca49:0:0:0:0:0:0/40
  • 240c:ca49:100:0:0:0:0:0/40
  • 240c:ca49:200:0:0:0:0:0/40
  • 240c:ca49:300:0:0:0:0:0/40
  • 240c:ca49:400:0:0:0:0:0/40
  • 240c:ca49:500:0:0:0:0:0/40
  • 240c:ca49:600:0:0:0:0:0/40
  • 240c:ca49:700:0:0:0:0:0/40
  • 240c:ca49:800:0:0:0:0:0/40
  • 240c:ca49:900:0:0:0:0:0/40
  • 240c:ca49:a00:0:0:0:0:0/40
  • 240c:ca49:b00:0:0:0:0:0/40
  • 240c:ca49:c00:0:0:0:0:0/40
  • 240c:ca49:d00:0:0:0:0:0/40
  • 240c:ca49:e00:0:0:0:0:0/40
  • 240c:ca49:f00:0:0:0:0:0/40
  • 240c:ca49:1000:0:0:0:0:0/40
  • 240c:ca49:1100:0:0:0:0:0/40
  • 240c:ca49:1200:0:0:0:0:0/40
  • 240c:ca49:1300:0:0:0:0:0/40
  • 240c:ca49:1400:0:0:0:0:0/40
  • 240c:ca49:1500:0:0:0:0:0/40
  • 240c:ca49:1600:0:0:0:0:0/40
  • 240c:ca49:1700:0:0:0:0:0/40
  • 240c:ca49:1800:0:0:0:0:0/40
  • 240c:ca49:1900:0:0:0:0:0/40
  • 240c:ca49:1a00:0:0:0:0:0/40
  • 240c:ca49:1b00:0:0:0:0:0/40
  • 240c:ca49:1c00:0:0:0:0:0/40
  • 240c:ca49:1d00:0:0:0:0:0/40
  • 240c:ca49:1e00:0:0:0:0:0/40
  • 240c:ca49:1f00:0:0:0:0:0/40
  • 240c:ca49:2000:0:0:0:0:0/40
  • 240c:ca49:2100:0:0:0:0:0/40
  • 240c:ca49:2200:0:0:0:0:0/40
  • 240c:ca49:2300:0:0:0:0:0/40
  • 240c:ca49:2400:0:0:0:0:0/40
  • 240c:ca49:2500:0:0:0:0:0/40
  • 240c:ca49:2600:0:0:0:0:0/40
  • 240c:ca49:2700:0:0:0:0:0/40
  • 240c:ca49:2800:0:0:0:0:0/40
  • 240c:ca49:2900:0:0:0:0:0/40
  • 240c:ca49:2a00:0:0:0:0:0/40
  • 240c:ca49:2b00:0:0:0:0:0/40
  • 240c:ca49:2c00:0:0:0:0:0/40
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  • 240c:ca49:2f00:0:0:0:0:0/40
  • 240c:ca49:3000:0:0:0:0:0/40
  • 240c:ca49:3100:0:0:0:0:0/40
  • 240c:ca49:3200:0:0:0:0:0/40
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  • 240c:ca49:3a00:0:0:0:0:0/40
  • 240c:ca49:3b00:0:0:0:0:0/40
  • 240c:ca49:3c00:0:0:0:0:0/40
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  • 240c:ca49:3f00:0:0:0:0:0/40
  • 240c:ca49:4000:0:0:0:0:0/40
  • 240c:ca49:4100:0:0:0:0:0/40
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  • 240c:ca49:5000:0:0:0:0:0/40
  • 240c:ca49:5100:0:0:0:0:0/40
  • 240c:ca49:5200:0:0:0:0:0/40
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  • 240c:ca49:6000:0:0:0:0:0/40
  • 240c:ca49:6100:0:0:0:0:0/40
  • 240c:ca49:6200:0:0:0:0:0/40
  • 240c:ca49:6300:0:0:0:0:0/40
  • 240c:ca49:6400:0:0:0:0:0/40
  • 240c:ca49:6500:0:0:0:0:0/40
  • 240c:ca49:6600:0:0:0:0:0/40
  • 240c:ca49:6700:0:0:0:0:0/40
  • 240c:ca49:6800:0:0:0:0:0/40
  • 240c:ca49:6900:0:0:0:0:0/40
  • 240c:ca49:6a00:0:0:0:0:0/40
  • 240c:ca49:6b00:0:0:0:0:0/40
  • 240c:ca49:6c00:0:0:0:0:0/40
  • 240c:ca49:6d00:0:0:0:0:0/40
  • 240c:ca49:6e00:0:0:0:0:0/40
  • 240c:ca49:6f00:0:0:0:0:0/40
  • 240c:ca49:7000:0:0:0:0:0/40
  • 240c:ca49:7100:0:0:0:0:0/40
  • 240c:ca49:7200:0:0:0:0:0/40
  • 240c:ca49:7300:0:0:0:0:0/40
  • 240c:ca49:7400:0:0:0:0:0/40
  • 240c:ca49:7500:0:0:0:0:0/40
  • 240c:ca49:7600:0:0:0:0:0/40
  • 240c:ca49:7700:0:0:0:0:0/40
  • 240c:ca49:7800:0:0:0:0:0/40
  • 240c:ca49:7900:0:0:0:0:0/40
  • 240c:ca49:7a00:0:0:0:0:0/40
  • 240c:ca49:7b00:0:0:0:0:0/40
  • 240c:ca49:7c00:0:0:0:0:0/40
  • 240c:ca49:7d00:0:0:0:0:0/40
  • 240c:ca49:7e00:0:0:0:0:0/40
  • 240c:ca49:7f00:0:0:0:0:0/40
  • 240c:ca49:8000:0:0:0:0:0/40
  • 240c:ca49:8100:0:0:0:0:0/40
  • 240c:ca49:8200:0:0:0:0:0/40
  • 240c:ca49:8300:0:0:0:0:0/40
  • 240c:ca49:8400:0:0:0:0:0/40
  • 240c:ca49:8500:0:0:0:0:0/40
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  • 240c:ca49:8700:0:0:0:0:0/40
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  • 240c:ca49:8a00:0:0:0:0:0/40
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  • 240c:ca49:9100:0:0:0:0:0/40
  • 240c:ca49:9200:0:0:0:0:0/40
  • 240c:ca49:9300:0:0:0:0:0/40
  • 240c:ca49:9400:0:0:0:0:0/40
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  • 240c:ca49:9600:0:0:0:0:0/40
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  • 240c:ca49:9800:0:0:0:0:0/40
  • 240c:ca49:9900:0:0:0:0:0/40
  • 240c:ca49:9a00:0:0:0:0:0/40
  • 240c:ca49:9b00:0:0:0:0:0/40
  • 240c:ca49:9c00:0:0:0:0:0/40
  • 240c:ca49:9d00:0:0:0:0:0/40
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  • 240c:ca49:a000:0:0:0:0:0/40
  • 240c:ca49:a100:0:0:0:0:0/40
  • 240c:ca49:a200:0:0:0:0:0/40
  • 240c:ca49:a300:0:0:0:0:0/40
  • 240c:ca49:a400:0:0:0:0:0/40
  • 240c:ca49:a500:0:0:0:0:0/40
  • 240c:ca49:a600:0:0:0:0:0/40
  • 240c:ca49:a700:0:0:0:0:0/40
  • 240c:ca49:a800:0:0:0:0:0/40
  • 240c:ca49:a900:0:0:0:0:0/40
  • 240c:ca49:aa00:0:0:0:0:0/40
  • 240c:ca49:ab00:0:0:0:0:0/40
  • 240c:ca49:ac00:0:0:0:0:0/40
  • 240c:ca49:ad00:0:0:0:0:0/40
  • 240c:ca49:ae00:0:0:0:0:0/40
  • 240c:ca49:af00:0:0:0:0:0/40
  • 240c:ca49:b000:0:0:0:0:0/40
  • 240c:ca49:b100:0:0:0:0:0/40
  • 240c:ca49:b200:0:0:0:0:0/40
  • 240c:ca49:b300:0:0:0:0:0/40
  • 240c:ca49:b400:0:0:0:0:0/40
  • 240c:ca49:b500:0:0:0:0:0/40
  • 240c:ca49:b600:0:0:0:0:0/40
  • 240c:ca49:b700:0:0:0:0:0/40
  • 240c:ca49:b800:0:0:0:0:0/40
  • 240c:ca49:b900:0:0:0:0:0/40
  • 240c:ca49:ba00:0:0:0:0:0/40
  • 240c:ca49:bb00:0:0:0:0:0/40
  • 240c:ca49:bc00:0:0:0:0:0/40
  • 240c:ca49:bd00:0:0:0:0:0/40
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  • 240c:ca49:c000:0:0:0:0:0/40
  • 240c:ca49:c100:0:0:0:0:0/40
  • 240c:ca49:c200:0:0:0:0:0/40
  • 240c:ca49:c300:0:0:0:0:0/40
  • 240c:ca49:c400:0:0:0:0:0/40
  • 240c:ca49:c500:0:0:0:0:0/40
  • 240c:ca49:c600:0:0:0:0:0/40
  • 240c:ca49:c700:0:0:0:0:0/40
  • 240c:ca49:c800:0:0:0:0:0/40
  • 240c:ca49:c900:0:0:0:0:0/40
  • 240c:ca49:ca00:0:0:0:0:0/40
  • 240c:ca49:cb00:0:0:0:0:0/40
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  • 240c:ca49:d600:0:0:0:0:0/40
  • 240c:ca49:d700:0:0:0:0:0/40
  • 240c:ca49:d800:0:0:0:0:0/40
  • 240c:ca49:d900:0:0:0:0:0/40
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  • 240c:ca49:e500:0:0:0:0:0/40
  • 240c:ca49:e600:0:0:0:0:0/40
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  • 240c:ca49:e800:0:0:0:0:0/40
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  • 240c:ca49:f200:0:0:0:0:0/40
  • 240c:ca49:f300:0:0:0:0:0/40
  • 240c:ca49:f400:0:0:0:0:0/40
  • 240c:ca49:f500:0:0:0:0:0/40
  • 240c:ca49:f600:0:0:0:0:0/40
  • 240c:ca49:f700:0:0:0:0:0/40
  • 240c:ca49:f800:0:0:0:0:0/40
  • 240c:ca49:f900:0:0:0:0:0/40
  • 240c:ca49:fa00:0:0:0:0:0/40
  • 240c:ca49:fb00:0:0:0:0:0/40
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  • 240c:ca49:fe00:0:0:0:0:0/40
  • 240c:ca49:ff00:0:0:0:0:0/40

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