IP subnet details

2001:250:640d::/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 2001:250:640d::/48 subnet

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

Get started with 100,000 free lookups: sign up