IP subnet details

240c:c781::/32

AS24367  — Cernet2 Ix at Zhejiang University

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:c781::/32 subnet

  • 240c:c781:0:0:0:0:0:0/40
  • 240c:c781:100:0:0:0:0:0/40
  • 240c:c781:200:0:0:0:0:0/40
  • 240c:c781:300:0:0:0:0:0/40
  • 240c:c781:400:0:0:0:0:0/40
  • 240c:c781:500:0:0:0:0:0/40
  • 240c:c781:600:0:0:0:0:0/40
  • 240c:c781:700:0:0:0:0:0/40
  • 240c:c781:800:0:0:0:0:0/40
  • 240c:c781:900:0:0:0:0:0/40
  • 240c:c781:a00:0:0:0:0:0/40
  • 240c:c781:b00:0:0:0:0:0/40
  • 240c:c781:c00:0:0:0:0:0/40
  • 240c:c781:d00:0:0:0:0:0/40
  • 240c:c781:e00:0:0:0:0:0/40
  • 240c:c781:f00:0:0:0:0:0/40
  • 240c:c781:1000:0:0:0:0:0/40
  • 240c:c781:1100:0:0:0:0:0/40
  • 240c:c781:1200:0:0:0:0:0/40
  • 240c:c781:1300:0:0:0:0:0/40
  • 240c:c781:1400:0:0:0:0:0/40
  • 240c:c781:1500:0:0:0:0:0/40
  • 240c:c781:1600:0:0:0:0:0/40
  • 240c:c781:1700:0:0:0:0:0/40
  • 240c:c781:1800:0:0:0:0:0/40
  • 240c:c781:1900:0:0:0:0:0/40
  • 240c:c781:1a00:0:0:0:0:0/40
  • 240c:c781:1b00:0:0:0:0:0/40
  • 240c:c781:1c00:0:0:0:0:0/40
  • 240c:c781:1d00:0:0:0:0:0/40
  • 240c:c781:1e00:0:0:0:0:0/40
  • 240c:c781:1f00:0:0:0:0:0/40
  • 240c:c781:2000:0:0:0:0:0/40
  • 240c:c781:2100:0:0:0:0:0/40
  • 240c:c781:2200:0:0:0:0:0/40
  • 240c:c781:2300:0:0:0:0:0/40
  • 240c:c781:2400:0:0:0:0:0/40
  • 240c:c781:2500:0:0:0:0:0/40
  • 240c:c781:2600:0:0:0:0:0/40
  • 240c:c781:2700:0:0:0:0:0/40
  • 240c:c781:2800:0:0:0:0:0/40
  • 240c:c781:2900:0:0:0:0:0/40
  • 240c:c781:2a00:0:0:0:0:0/40
  • 240c:c781:2b00:0:0:0:0:0/40
  • 240c:c781:2c00:0:0:0:0:0/40
  • 240c:c781:2d00:0:0:0:0:0/40
  • 240c:c781:2e00:0:0:0:0:0/40
  • 240c:c781:2f00:0:0:0:0:0/40
  • 240c:c781:3000:0:0:0:0:0/40
  • 240c:c781:3100:0:0:0:0:0/40
  • 240c:c781:3200:0:0:0:0:0/40
  • 240c:c781:3300:0:0:0:0:0/40
  • 240c:c781:3400:0:0:0:0:0/40
  • 240c:c781:3500:0:0:0:0:0/40
  • 240c:c781:3600:0:0:0:0:0/40
  • 240c:c781:3700:0:0:0:0:0/40
  • 240c:c781:3800:0:0:0:0:0/40
  • 240c:c781:3900:0:0:0:0:0/40
  • 240c:c781:3a00:0:0:0:0:0/40
  • 240c:c781:3b00:0:0:0:0:0/40
  • 240c:c781:3c00:0:0:0:0:0/40
  • 240c:c781:3d00:0:0:0:0:0/40
  • 240c:c781:3e00:0:0:0:0:0/40
  • 240c:c781:3f00:0:0:0:0:0/40
  • 240c:c781:4000:0:0:0:0:0/40
  • 240c:c781:4100:0:0:0:0:0/40
  • 240c:c781:4200:0:0:0:0:0/40
  • 240c:c781:4300:0:0:0:0:0/40
  • 240c:c781:4400:0:0:0:0:0/40
  • 240c:c781:4500:0:0:0:0:0/40
  • 240c:c781:4600:0:0:0:0:0/40
  • 240c:c781:4700:0:0:0:0:0/40
  • 240c:c781:4800:0:0:0:0:0/40
  • 240c:c781:4900:0:0:0:0:0/40
  • 240c:c781:4a00:0:0:0:0:0/40
  • 240c:c781:4b00:0:0:0:0:0/40
  • 240c:c781:4c00:0:0:0:0:0/40
  • 240c:c781:4d00:0:0:0:0:0/40
  • 240c:c781:4e00:0:0:0:0:0/40
  • 240c:c781:4f00:0:0:0:0:0/40
  • 240c:c781:5000:0:0:0:0:0/40
  • 240c:c781:5100:0:0:0:0:0/40
  • 240c:c781:5200:0:0:0:0:0/40
  • 240c:c781:5300:0:0:0:0:0/40
  • 240c:c781:5400:0:0:0:0:0/40
  • 240c:c781:5500:0:0:0:0:0/40
  • 240c:c781:5600:0:0:0:0:0/40
  • 240c:c781:5700:0:0:0:0:0/40
  • 240c:c781:5800:0:0:0:0:0/40
  • 240c:c781:5900:0:0:0:0:0/40
  • 240c:c781:5a00:0:0:0:0:0/40
  • 240c:c781:5b00:0:0:0:0:0/40
  • 240c:c781:5c00:0:0:0:0:0/40
  • 240c:c781:5d00:0:0:0:0:0/40
  • 240c:c781:5e00:0:0:0:0:0/40
  • 240c:c781:5f00:0:0:0:0:0/40
  • 240c:c781:6000:0:0:0:0:0/40
  • 240c:c781:6100:0:0:0:0:0/40
  • 240c:c781:6200:0:0:0:0:0/40
  • 240c:c781:6300:0:0:0:0:0/40
  • 240c:c781:6400:0:0:0:0:0/40
  • 240c:c781:6500:0:0:0:0:0/40
  • 240c:c781:6600:0:0:0:0:0/40
  • 240c:c781:6700:0:0:0:0:0/40
  • 240c:c781:6800:0:0:0:0:0/40
  • 240c:c781:6900:0:0:0:0:0/40
  • 240c:c781:6a00:0:0:0:0:0/40
  • 240c:c781:6b00:0:0:0:0:0/40
  • 240c:c781:6c00:0:0:0:0:0/40
  • 240c:c781:6d00:0:0:0:0:0/40
  • 240c:c781:6e00:0:0:0:0:0/40
  • 240c:c781:6f00:0:0:0:0:0/40
  • 240c:c781:7000:0:0:0:0:0/40
  • 240c:c781:7100:0:0:0:0:0/40
  • 240c:c781:7200:0:0:0:0:0/40
  • 240c:c781:7300:0:0:0:0:0/40
  • 240c:c781:7400:0:0:0:0:0/40
  • 240c:c781:7500:0:0:0:0:0/40
  • 240c:c781:7600:0:0:0:0:0/40
  • 240c:c781:7700:0:0:0:0:0/40
  • 240c:c781:7800:0:0:0:0:0/40
  • 240c:c781:7900:0:0:0:0:0/40
  • 240c:c781:7a00:0:0:0:0:0/40
  • 240c:c781:7b00:0:0:0:0:0/40
  • 240c:c781:7c00:0:0:0:0:0/40
  • 240c:c781:7d00:0:0:0:0:0/40
  • 240c:c781:7e00:0:0:0:0:0/40
  • 240c:c781:7f00:0:0:0:0:0/40
  • 240c:c781:8000:0:0:0:0:0/40
  • 240c:c781:8100:0:0:0:0:0/40
  • 240c:c781:8200:0:0:0:0:0/40
  • 240c:c781:8300:0:0:0:0:0/40
  • 240c:c781:8400:0:0:0:0:0/40
  • 240c:c781:8500:0:0:0:0:0/40
  • 240c:c781:8600:0:0:0:0:0/40
  • 240c:c781:8700:0:0:0:0:0/40
  • 240c:c781:8800:0:0:0:0:0/40
  • 240c:c781:8900:0:0:0:0:0/40
  • 240c:c781:8a00:0:0:0:0:0/40
  • 240c:c781:8b00:0:0:0:0:0/40
  • 240c:c781:8c00:0:0:0:0:0/40
  • 240c:c781:8d00:0:0:0:0:0/40
  • 240c:c781:8e00:0:0:0:0:0/40
  • 240c:c781:8f00:0:0:0:0:0/40
  • 240c:c781:9000:0:0:0:0:0/40
  • 240c:c781:9100:0:0:0:0:0/40
  • 240c:c781:9200:0:0:0:0:0/40
  • 240c:c781:9300:0:0:0:0:0/40
  • 240c:c781:9400:0:0:0:0:0/40
  • 240c:c781:9500:0:0:0:0:0/40
  • 240c:c781:9600:0:0:0:0:0/40
  • 240c:c781:9700:0:0:0:0:0/40
  • 240c:c781:9800:0:0:0:0:0/40
  • 240c:c781:9900:0:0:0:0:0/40
  • 240c:c781:9a00:0:0:0:0:0/40
  • 240c:c781:9b00:0:0:0:0:0/40
  • 240c:c781:9c00:0:0:0:0:0/40
  • 240c:c781:9d00:0:0:0:0:0/40
  • 240c:c781:9e00:0:0:0:0:0/40
  • 240c:c781:9f00:0:0:0:0:0/40
  • 240c:c781:a000:0:0:0:0:0/40
  • 240c:c781:a100:0:0:0:0:0/40
  • 240c:c781:a200:0:0:0:0:0/40
  • 240c:c781:a300:0:0:0:0:0/40
  • 240c:c781:a400:0:0:0:0:0/40
  • 240c:c781:a500:0:0:0:0:0/40
  • 240c:c781:a600:0:0:0:0:0/40
  • 240c:c781:a700:0:0:0:0:0/40
  • 240c:c781:a800:0:0:0:0:0/40
  • 240c:c781:a900:0:0:0:0:0/40
  • 240c:c781:aa00:0:0:0:0:0/40
  • 240c:c781:ab00:0:0:0:0:0/40
  • 240c:c781:ac00:0:0:0:0:0/40
  • 240c:c781:ad00:0:0:0:0:0/40
  • 240c:c781:ae00:0:0:0:0:0/40
  • 240c:c781:af00:0:0:0:0:0/40
  • 240c:c781:b000:0:0:0:0:0/40
  • 240c:c781:b100:0:0:0:0:0/40
  • 240c:c781:b200:0:0:0:0:0/40
  • 240c:c781:b300:0:0:0:0:0/40
  • 240c:c781:b400:0:0:0:0:0/40
  • 240c:c781:b500:0:0:0:0:0/40
  • 240c:c781:b600:0:0:0:0:0/40
  • 240c:c781:b700:0:0:0:0:0/40
  • 240c:c781:b800:0:0:0:0:0/40
  • 240c:c781:b900:0:0:0:0:0/40
  • 240c:c781:ba00:0:0:0:0:0/40
  • 240c:c781:bb00:0:0:0:0:0/40
  • 240c:c781:bc00:0:0:0:0:0/40
  • 240c:c781:bd00:0:0:0:0:0/40
  • 240c:c781:be00:0:0:0:0:0/40
  • 240c:c781:bf00:0:0:0:0:0/40
  • 240c:c781:c000:0:0:0:0:0/40
  • 240c:c781:c100:0:0:0:0:0/40
  • 240c:c781:c200:0:0:0:0:0/40
  • 240c:c781:c300:0:0:0:0:0/40
  • 240c:c781:c400:0:0:0:0:0/40
  • 240c:c781:c500:0:0:0:0:0/40
  • 240c:c781:c600:0:0:0:0:0/40
  • 240c:c781:c700:0:0:0:0:0/40
  • 240c:c781:c800:0:0:0:0:0/40
  • 240c:c781:c900:0:0:0:0:0/40
  • 240c:c781:ca00:0:0:0:0:0/40
  • 240c:c781:cb00:0:0:0:0:0/40
  • 240c:c781:cc00:0:0:0:0:0/40
  • 240c:c781:cd00:0:0:0:0:0/40
  • 240c:c781:ce00:0:0:0:0:0/40
  • 240c:c781:cf00:0:0:0:0:0/40
  • 240c:c781:d000:0:0:0:0:0/40
  • 240c:c781:d100:0:0:0:0:0/40
  • 240c:c781:d200:0:0:0:0:0/40
  • 240c:c781:d300:0:0:0:0:0/40
  • 240c:c781:d400:0:0:0:0:0/40
  • 240c:c781:d500:0:0:0:0:0/40
  • 240c:c781:d600:0:0:0:0:0/40
  • 240c:c781:d700:0:0:0:0:0/40
  • 240c:c781:d800:0:0:0:0:0/40
  • 240c:c781:d900:0:0:0:0:0/40
  • 240c:c781:da00:0:0:0:0:0/40
  • 240c:c781:db00:0:0:0:0:0/40
  • 240c:c781:dc00:0:0:0:0:0/40
  • 240c:c781:dd00:0:0:0:0:0/40
  • 240c:c781:de00:0:0:0:0:0/40
  • 240c:c781:df00:0:0:0:0:0/40
  • 240c:c781:e000:0:0:0:0:0/40
  • 240c:c781:e100:0:0:0:0:0/40
  • 240c:c781:e200:0:0:0:0:0/40
  • 240c:c781:e300:0:0:0:0:0/40
  • 240c:c781:e400:0:0:0:0:0/40
  • 240c:c781:e500:0:0:0:0:0/40
  • 240c:c781:e600:0:0:0:0:0/40
  • 240c:c781:e700:0:0:0:0:0/40
  • 240c:c781:e800:0:0:0:0:0/40
  • 240c:c781:e900:0:0:0:0:0/40
  • 240c:c781:ea00:0:0:0:0:0/40
  • 240c:c781:eb00:0:0:0:0:0/40
  • 240c:c781:ec00:0:0:0:0:0/40
  • 240c:c781:ed00:0:0:0:0:0/40
  • 240c:c781:ee00:0:0:0:0:0/40
  • 240c:c781:ef00:0:0:0:0:0/40
  • 240c:c781:f000:0:0:0:0:0/40
  • 240c:c781:f100:0:0:0:0:0/40
  • 240c:c781:f200:0:0:0:0:0/40
  • 240c:c781:f300:0:0:0:0:0/40
  • 240c:c781:f400:0:0:0:0:0/40
  • 240c:c781:f500:0:0:0:0:0/40
  • 240c:c781:f600:0:0:0:0:0/40
  • 240c:c781:f700:0:0:0:0:0/40
  • 240c:c781:f800:0:0:0:0:0/40
  • 240c:c781:f900:0:0:0:0:0/40
  • 240c:c781:fa00:0:0:0:0:0/40
  • 240c:c781:fb00:0:0:0:0:0/40
  • 240c:c781:fc00:0:0:0:0:0/40
  • 240c:c781:fd00:0:0:0:0:0/40
  • 240c:c781:fe00:0:0:0:0:0/40
  • 240c:c781:ff00:0:0:0:0:0/40

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