IP subnet details

2001:250:640c::/48

AS24367  — Cernet2 Ix at Zhejiang University

Summary

Country
CN China
Domain cernet.edu.cn
Size 1,208,925,819,614,629,200,000,000
Registry APNIC
Network Name CERNET-CN-20000426

Whois

inet6num: 2001:250::/32
netname: CERNET-CN-20000426
descr: CERNET IPv6 Backbone
country: CN
admin-c: WJ67-AP
tech-c: LX58-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
notify: [email protected]
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2020-10-20T00:55:16Z
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

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

person: Li Xing
address: China Education and Research Network
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing, 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: [email protected]
nic-hdl: LX58-AP
notify: [email protected]
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:50Z
source: APNIC

person: Wu Jianping
address: China Education and Research Network
address: China Education and Research Network Center
address: Tsinghua University
address: Beijing, 100084
address: CN
country: CN
phone: +86-10-6278-5983
fax-no: +86-10-6278-5933
e-mail: [email protected]
nic-hdl: WJ67-AP
notify: [email protected]
mnt-by: MAINT-CERNET-AP
last-modified: 2011-12-22T05:14:50Z
source: APNIC


CIDR IP address subranges within 2001:250:640c::/48 subnet

  • 2001:250:640c:0:0:0:0:0/56
  • 2001:250:640c:100:0:0:0:0/56
  • 2001:250:640c:200:0:0:0:0/56
  • 2001:250:640c:300:0:0:0:0/56
  • 2001:250:640c:400:0:0:0:0/56
  • 2001:250:640c:500:0:0:0:0/56
  • 2001:250:640c:600:0:0:0:0/56
  • 2001:250:640c:700:0:0:0:0/56
  • 2001:250:640c:800:0:0:0:0/56
  • 2001:250:640c:900:0:0:0:0/56
  • 2001:250:640c:a00:0:0:0:0/56
  • 2001:250:640c:b00:0:0:0:0/56
  • 2001:250:640c:c00:0:0:0:0/56
  • 2001:250:640c:d00:0:0:0:0/56
  • 2001:250:640c:e00:0:0:0:0/56
  • 2001:250:640c:f00:0:0:0:0/56
  • 2001:250:640c:1000:0:0:0:0/56
  • 2001:250:640c:1100:0:0:0:0/56
  • 2001:250:640c:1200:0:0:0:0/56
  • 2001:250:640c:1300:0:0:0:0/56
  • 2001:250:640c:1400:0:0:0:0/56
  • 2001:250:640c:1500:0:0:0:0/56
  • 2001:250:640c:1600:0:0:0:0/56
  • 2001:250:640c:1700:0:0:0:0/56
  • 2001:250:640c:1800:0:0:0:0/56
  • 2001:250:640c:1900:0:0:0:0/56
  • 2001:250:640c:1a00:0:0:0:0/56
  • 2001:250:640c:1b00:0:0:0:0/56
  • 2001:250:640c:1c00:0:0:0:0/56
  • 2001:250:640c:1d00:0:0:0:0/56
  • 2001:250:640c:1e00:0:0:0:0/56
  • 2001:250:640c:1f00:0:0:0:0/56
  • 2001:250:640c:2000:0:0:0:0/56
  • 2001:250:640c:2100:0:0:0:0/56
  • 2001:250:640c:2200:0:0:0:0/56
  • 2001:250:640c:2300:0:0:0:0/56
  • 2001:250:640c:2400:0:0:0:0/56
  • 2001:250:640c:2500:0:0:0:0/56
  • 2001:250:640c:2600:0:0:0:0/56
  • 2001:250:640c:2700:0:0:0:0/56
  • 2001:250:640c:2800:0:0:0:0/56
  • 2001:250:640c:2900:0:0:0:0/56
  • 2001:250:640c:2a00:0:0:0:0/56
  • 2001:250:640c:2b00:0:0:0:0/56
  • 2001:250:640c:2c00:0:0:0:0/56
  • 2001:250:640c:2d00:0:0:0:0/56
  • 2001:250:640c:2e00:0:0:0:0/56
  • 2001:250:640c:2f00:0:0:0:0/56
  • 2001:250:640c:3000:0:0:0:0/56
  • 2001:250:640c:3100:0:0:0:0/56
  • 2001:250:640c:3200:0:0:0:0/56
  • 2001:250:640c:3300:0:0:0:0/56
  • 2001:250:640c:3400:0:0:0:0/56
  • 2001:250:640c:3500:0:0:0:0/56
  • 2001:250:640c:3600:0:0:0:0/56
  • 2001:250:640c:3700:0:0:0:0/56
  • 2001:250:640c:3800:0:0:0:0/56
  • 2001:250:640c:3900:0:0:0:0/56
  • 2001:250:640c:3a00:0:0:0:0/56
  • 2001:250:640c:3b00:0:0:0:0/56
  • 2001:250:640c:3c00:0:0:0:0/56
  • 2001:250:640c:3d00:0:0:0:0/56
  • 2001:250:640c:3e00:0:0:0:0/56
  • 2001:250:640c:3f00:0:0:0:0/56
  • 2001:250:640c:4000:0:0:0:0/56
  • 2001:250:640c:4100:0:0:0:0/56
  • 2001:250:640c:4200:0:0:0:0/56
  • 2001:250:640c:4300:0:0:0:0/56
  • 2001:250:640c:4400:0:0:0:0/56
  • 2001:250:640c:4500:0:0:0:0/56
  • 2001:250:640c:4600:0:0:0:0/56
  • 2001:250:640c:4700:0:0:0:0/56
  • 2001:250:640c:4800:0:0:0:0/56
  • 2001:250:640c:4900:0:0:0:0/56
  • 2001:250:640c:4a00:0:0:0:0/56
  • 2001:250:640c:4b00:0:0:0:0/56
  • 2001:250:640c:4c00:0:0:0:0/56
  • 2001:250:640c:4d00:0:0:0:0/56
  • 2001:250:640c:4e00:0:0:0:0/56
  • 2001:250:640c:4f00:0:0:0:0/56
  • 2001:250:640c:5000:0:0:0:0/56
  • 2001:250:640c:5100:0:0:0:0/56
  • 2001:250:640c:5200:0:0:0:0/56
  • 2001:250:640c:5300:0:0:0:0/56
  • 2001:250:640c:5400:0:0:0:0/56
  • 2001:250:640c:5500:0:0:0:0/56
  • 2001:250:640c:5600:0:0:0:0/56
  • 2001:250:640c:5700:0:0:0:0/56
  • 2001:250:640c:5800:0:0:0:0/56
  • 2001:250:640c:5900:0:0:0:0/56
  • 2001:250:640c:5a00:0:0:0:0/56
  • 2001:250:640c:5b00:0:0:0:0/56
  • 2001:250:640c:5c00:0:0:0:0/56
  • 2001:250:640c:5d00:0:0:0:0/56
  • 2001:250:640c:5e00:0:0:0:0/56
  • 2001:250:640c:5f00:0:0:0:0/56
  • 2001:250:640c:6000:0:0:0:0/56
  • 2001:250:640c:6100:0:0:0:0/56
  • 2001:250:640c:6200:0:0:0:0/56
  • 2001:250:640c:6300:0:0:0:0/56
  • 2001:250:640c:6400:0:0:0:0/56
  • 2001:250:640c:6500:0:0:0:0/56
  • 2001:250:640c:6600:0:0:0:0/56
  • 2001:250:640c:6700:0:0:0:0/56
  • 2001:250:640c:6800:0:0:0:0/56
  • 2001:250:640c:6900:0:0:0:0/56
  • 2001:250:640c:6a00:0:0:0:0/56
  • 2001:250:640c:6b00:0:0:0:0/56
  • 2001:250:640c:6c00:0:0:0:0/56
  • 2001:250:640c:6d00:0:0:0:0/56
  • 2001:250:640c:6e00:0:0:0:0/56
  • 2001:250:640c:6f00:0:0:0:0/56
  • 2001:250:640c:7000:0:0:0:0/56
  • 2001:250:640c:7100:0:0:0:0/56
  • 2001:250:640c:7200:0:0:0:0/56
  • 2001:250:640c:7300:0:0:0:0/56
  • 2001:250:640c:7400:0:0:0:0/56
  • 2001:250:640c:7500:0:0:0:0/56
  • 2001:250:640c:7600:0:0:0:0/56
  • 2001:250:640c:7700:0:0:0:0/56
  • 2001:250:640c:7800:0:0:0:0/56
  • 2001:250:640c:7900:0:0:0:0/56
  • 2001:250:640c:7a00:0:0:0:0/56
  • 2001:250:640c:7b00:0:0:0:0/56
  • 2001:250:640c:7c00:0:0:0:0/56
  • 2001:250:640c:7d00:0:0:0:0/56
  • 2001:250:640c:7e00:0:0:0:0/56
  • 2001:250:640c:7f00:0:0:0:0/56
  • 2001:250:640c:8000:0:0:0:0/56
  • 2001:250:640c:8100:0:0:0:0/56
  • 2001:250:640c:8200:0:0:0:0/56
  • 2001:250:640c:8300:0:0:0:0/56
  • 2001:250:640c:8400:0:0:0:0/56
  • 2001:250:640c:8500:0:0:0:0/56
  • 2001:250:640c:8600:0:0:0:0/56
  • 2001:250:640c:8700:0:0:0:0/56
  • 2001:250:640c:8800:0:0:0:0/56
  • 2001:250:640c:8900:0:0:0:0/56
  • 2001:250:640c:8a00:0:0:0:0/56
  • 2001:250:640c:8b00:0:0:0:0/56
  • 2001:250:640c:8c00:0:0:0:0/56
  • 2001:250:640c:8d00:0:0:0:0/56
  • 2001:250:640c:8e00:0:0:0:0/56
  • 2001:250:640c:8f00:0:0:0:0/56
  • 2001:250:640c:9000:0:0:0:0/56
  • 2001:250:640c:9100:0:0:0:0/56
  • 2001:250:640c:9200:0:0:0:0/56
  • 2001:250:640c:9300:0:0:0:0/56
  • 2001:250:640c:9400:0:0:0:0/56
  • 2001:250:640c:9500:0:0:0:0/56
  • 2001:250:640c:9600:0:0:0:0/56
  • 2001:250:640c:9700:0:0:0:0/56
  • 2001:250:640c:9800:0:0:0:0/56
  • 2001:250:640c:9900:0:0:0:0/56
  • 2001:250:640c:9a00:0:0:0:0/56
  • 2001:250:640c:9b00:0:0:0:0/56
  • 2001:250:640c:9c00:0:0:0:0/56
  • 2001:250:640c:9d00:0:0:0:0/56
  • 2001:250:640c:9e00:0:0:0:0/56
  • 2001:250:640c:9f00:0:0:0:0/56
  • 2001:250:640c:a000:0:0:0:0/56
  • 2001:250:640c:a100:0:0:0:0/56
  • 2001:250:640c:a200:0:0:0:0/56
  • 2001:250:640c:a300:0:0:0:0/56
  • 2001:250:640c:a400:0:0:0:0/56
  • 2001:250:640c:a500:0:0:0:0/56
  • 2001:250:640c:a600:0:0:0:0/56
  • 2001:250:640c:a700:0:0:0:0/56
  • 2001:250:640c:a800:0:0:0:0/56
  • 2001:250:640c:a900:0:0:0:0/56
  • 2001:250:640c:aa00:0:0:0:0/56
  • 2001:250:640c:ab00:0:0:0:0/56
  • 2001:250:640c:ac00:0:0:0:0/56
  • 2001:250:640c:ad00:0:0:0:0/56
  • 2001:250:640c:ae00:0:0:0:0/56
  • 2001:250:640c:af00:0:0:0:0/56
  • 2001:250:640c:b000:0:0:0:0/56
  • 2001:250:640c:b100:0:0:0:0/56
  • 2001:250:640c:b200:0:0:0:0/56
  • 2001:250:640c:b300:0:0:0:0/56
  • 2001:250:640c:b400:0:0:0:0/56
  • 2001:250:640c:b500:0:0:0:0/56
  • 2001:250:640c:b600:0:0:0:0/56
  • 2001:250:640c:b700:0:0:0:0/56
  • 2001:250:640c:b800:0:0:0:0/56
  • 2001:250:640c:b900:0:0:0:0/56
  • 2001:250:640c:ba00:0:0:0:0/56
  • 2001:250:640c:bb00:0:0:0:0/56
  • 2001:250:640c:bc00:0:0:0:0/56
  • 2001:250:640c:bd00:0:0:0:0/56
  • 2001:250:640c:be00:0:0:0:0/56
  • 2001:250:640c:bf00:0:0:0:0/56
  • 2001:250:640c:c000:0:0:0:0/56
  • 2001:250:640c:c100:0:0:0:0/56
  • 2001:250:640c:c200:0:0:0:0/56
  • 2001:250:640c:c300:0:0:0:0/56
  • 2001:250:640c:c400:0:0:0:0/56
  • 2001:250:640c:c500:0:0:0:0/56
  • 2001:250:640c:c600:0:0:0:0/56
  • 2001:250:640c:c700:0:0:0:0/56
  • 2001:250:640c:c800:0:0:0:0/56
  • 2001:250:640c:c900:0:0:0:0/56
  • 2001:250:640c:ca00:0:0:0:0/56
  • 2001:250:640c:cb00:0:0:0:0/56
  • 2001:250:640c:cc00:0:0:0:0/56
  • 2001:250:640c:cd00:0:0:0:0/56
  • 2001:250:640c:ce00:0:0:0:0/56
  • 2001:250:640c:cf00:0:0:0:0/56
  • 2001:250:640c:d000:0:0:0:0/56
  • 2001:250:640c:d100:0:0:0:0/56
  • 2001:250:640c:d200:0:0:0:0/56
  • 2001:250:640c:d300:0:0:0:0/56
  • 2001:250:640c:d400:0:0:0:0/56
  • 2001:250:640c:d500:0:0:0:0/56
  • 2001:250:640c:d600:0:0:0:0/56
  • 2001:250:640c:d700:0:0:0:0/56
  • 2001:250:640c:d800:0:0:0:0/56
  • 2001:250:640c:d900:0:0:0:0/56
  • 2001:250:640c:da00:0:0:0:0/56
  • 2001:250:640c:db00:0:0:0:0/56
  • 2001:250:640c:dc00:0:0:0:0/56
  • 2001:250:640c:dd00:0:0:0:0/56
  • 2001:250:640c:de00:0:0:0:0/56
  • 2001:250:640c:df00:0:0:0:0/56
  • 2001:250:640c:e000:0:0:0:0/56
  • 2001:250:640c:e100:0:0:0:0/56
  • 2001:250:640c:e200:0:0:0:0/56
  • 2001:250:640c:e300:0:0:0:0/56
  • 2001:250:640c:e400:0:0:0:0/56
  • 2001:250:640c:e500:0:0:0:0/56
  • 2001:250:640c:e600:0:0:0:0/56
  • 2001:250:640c:e700:0:0:0:0/56
  • 2001:250:640c:e800:0:0:0:0/56
  • 2001:250:640c:e900:0:0:0:0/56
  • 2001:250:640c:ea00:0:0:0:0/56
  • 2001:250:640c:eb00:0:0:0:0/56
  • 2001:250:640c:ec00:0:0:0:0/56
  • 2001:250:640c:ed00:0:0:0:0/56
  • 2001:250:640c:ee00:0:0:0:0/56
  • 2001:250:640c:ef00:0:0:0:0/56
  • 2001:250:640c:f000:0:0:0:0/56
  • 2001:250:640c:f100:0:0:0:0/56
  • 2001:250:640c:f200:0:0:0:0/56
  • 2001:250:640c:f300:0:0:0:0/56
  • 2001:250:640c:f400:0:0:0:0/56
  • 2001:250:640c:f500:0:0:0:0/56
  • 2001:250:640c:f600:0:0:0:0/56
  • 2001:250:640c:f700:0:0:0:0/56
  • 2001:250:640c:f800:0:0:0:0/56
  • 2001:250:640c:f900:0:0:0:0/56
  • 2001:250:640c:fa00:0:0:0:0/56
  • 2001:250:640c:fb00:0:0:0:0/56
  • 2001:250:640c:fc00:0:0:0:0/56
  • 2001:250:640c:fd00:0:0:0:0/56
  • 2001:250:640c:fe00:0:0:0:0/56
  • 2001:250:640c:ff00:0:0:0:0/56

Get started with 100,000 free lookups: sign up