IP subnet details

42.245.223.0/24

AS4538  — China Education And Research Network Center

Summary

Country
CN China
Domain net.edu.cn
Size 256
Registry APNIC
Network Name SNDXTC-CN

Whois

inetnum: 42.245.208.0 - 42.245.223.255
netname: SNDXTC-CN
descr: ~{H|6{PB<descr: CERNET New Technology Co., Ltd
descr: Beijing 100084, China
country: CN
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ASSIGNED NON-PORTABLE
remarks: conn-id BJ003183
mnt-by: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2022-05-30T03:21:31Z
source: APNIC

irt: IRT-CERNET-AP
address: Network Center,
address: FIT-3-220, 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: [email protected] was validated on 2026-03-05
mnt-by: MAINT-CERNET-AP
last-modified: 2026-03-05T06:39:56Z
source: APNIC

role: ABUSE CERNETAP
country: ZZ
address: Network Center,
address: FIT-3-220, Tsinghua Univ
address: Beijing 100084, China
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 2026-03-05
abuse-mailbox: [email protected]
mnt-by: APNIC-ABUSE
last-modified: 2026-03-05T06:40:20Z
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

route: 42.245.192.0/18
descr: CERNET Newtech
origin: AS133111
mnt-by: MAINT-CERNET-AP
last-modified: 2017-03-14T04:00:08Z
source: APNIC

CIDR IP address subranges within 42.245.223.0/24 subnet

  • 42.245.223.0/32
  • 42.245.223.1/32
  • 42.245.223.2/32
  • 42.245.223.3/32
  • 42.245.223.4/32
  • 42.245.223.5/32
  • 42.245.223.6/32
  • 42.245.223.7/32
  • 42.245.223.8/32
  • 42.245.223.9/32
  • 42.245.223.10/32
  • 42.245.223.11/32
  • 42.245.223.12/32
  • 42.245.223.13/32
  • 42.245.223.14/32
  • 42.245.223.15/32
  • 42.245.223.16/32
  • 42.245.223.17/32
  • 42.245.223.18/32
  • 42.245.223.19/32
  • 42.245.223.20/32
  • 42.245.223.21/32
  • 42.245.223.22/32
  • 42.245.223.23/32
  • 42.245.223.24/32
  • 42.245.223.25/32
  • 42.245.223.26/32
  • 42.245.223.27/32
  • 42.245.223.28/32
  • 42.245.223.29/32
  • 42.245.223.30/32
  • 42.245.223.31/32
  • 42.245.223.32/32
  • 42.245.223.33/32
  • 42.245.223.34/32
  • 42.245.223.35/32
  • 42.245.223.36/32
  • 42.245.223.37/32
  • 42.245.223.38/32
  • 42.245.223.39/32
  • 42.245.223.40/32
  • 42.245.223.41/32
  • 42.245.223.42/32
  • 42.245.223.43/32
  • 42.245.223.44/32
  • 42.245.223.45/32
  • 42.245.223.46/32
  • 42.245.223.47/32
  • 42.245.223.48/32
  • 42.245.223.49/32
  • 42.245.223.50/32
  • 42.245.223.51/32
  • 42.245.223.52/32
  • 42.245.223.53/32
  • 42.245.223.54/32
  • 42.245.223.55/32
  • 42.245.223.56/32
  • 42.245.223.57/32
  • 42.245.223.58/32
  • 42.245.223.59/32
  • 42.245.223.60/32
  • 42.245.223.61/32
  • 42.245.223.62/32
  • 42.245.223.63/32
  • 42.245.223.64/32
  • 42.245.223.65/32
  • 42.245.223.66/32
  • 42.245.223.67/32
  • 42.245.223.68/32
  • 42.245.223.69/32
  • 42.245.223.70/32
  • 42.245.223.71/32
  • 42.245.223.72/32
  • 42.245.223.73/32
  • 42.245.223.74/32
  • 42.245.223.75/32
  • 42.245.223.76/32
  • 42.245.223.77/32
  • 42.245.223.78/32
  • 42.245.223.79/32
  • 42.245.223.80/32
  • 42.245.223.81/32
  • 42.245.223.82/32
  • 42.245.223.83/32
  • 42.245.223.84/32
  • 42.245.223.85/32
  • 42.245.223.86/32
  • 42.245.223.87/32
  • 42.245.223.88/32
  • 42.245.223.89/32
  • 42.245.223.90/32
  • 42.245.223.91/32
  • 42.245.223.92/32
  • 42.245.223.93/32
  • 42.245.223.94/32
  • 42.245.223.95/32
  • 42.245.223.96/32
  • 42.245.223.97/32
  • 42.245.223.98/32
  • 42.245.223.99/32
  • 42.245.223.100/32
  • 42.245.223.101/32
  • 42.245.223.102/32
  • 42.245.223.103/32
  • 42.245.223.104/32
  • 42.245.223.105/32
  • 42.245.223.106/32
  • 42.245.223.107/32
  • 42.245.223.108/32
  • 42.245.223.109/32
  • 42.245.223.110/32
  • 42.245.223.111/32
  • 42.245.223.112/32
  • 42.245.223.113/32
  • 42.245.223.114/32
  • 42.245.223.115/32
  • 42.245.223.116/32
  • 42.245.223.117/32
  • 42.245.223.118/32
  • 42.245.223.119/32
  • 42.245.223.120/32
  • 42.245.223.121/32
  • 42.245.223.122/32
  • 42.245.223.123/32
  • 42.245.223.124/32
  • 42.245.223.125/32
  • 42.245.223.126/32
  • 42.245.223.127/32
  • 42.245.223.128/32
  • 42.245.223.129/32
  • 42.245.223.130/32
  • 42.245.223.131/32
  • 42.245.223.132/32
  • 42.245.223.133/32
  • 42.245.223.134/32
  • 42.245.223.135/32
  • 42.245.223.136/32
  • 42.245.223.137/32
  • 42.245.223.138/32
  • 42.245.223.139/32
  • 42.245.223.140/32
  • 42.245.223.141/32
  • 42.245.223.142/32
  • 42.245.223.143/32
  • 42.245.223.144/32
  • 42.245.223.145/32
  • 42.245.223.146/32
  • 42.245.223.147/32
  • 42.245.223.148/32
  • 42.245.223.149/32
  • 42.245.223.150/32
  • 42.245.223.151/32
  • 42.245.223.152/32
  • 42.245.223.153/32
  • 42.245.223.154/32
  • 42.245.223.155/32
  • 42.245.223.156/32
  • 42.245.223.157/32
  • 42.245.223.158/32
  • 42.245.223.159/32
  • 42.245.223.160/32
  • 42.245.223.161/32
  • 42.245.223.162/32
  • 42.245.223.163/32
  • 42.245.223.164/32
  • 42.245.223.165/32
  • 42.245.223.166/32
  • 42.245.223.167/32
  • 42.245.223.168/32
  • 42.245.223.169/32
  • 42.245.223.170/32
  • 42.245.223.171/32
  • 42.245.223.172/32
  • 42.245.223.173/32
  • 42.245.223.174/32
  • 42.245.223.175/32
  • 42.245.223.176/32
  • 42.245.223.177/32
  • 42.245.223.178/32
  • 42.245.223.179/32
  • 42.245.223.180/32
  • 42.245.223.181/32
  • 42.245.223.182/32
  • 42.245.223.183/32
  • 42.245.223.184/32
  • 42.245.223.185/32
  • 42.245.223.186/32
  • 42.245.223.187/32
  • 42.245.223.188/32
  • 42.245.223.189/32
  • 42.245.223.190/32
  • 42.245.223.191/32
  • 42.245.223.192/32
  • 42.245.223.193/32
  • 42.245.223.194/32
  • 42.245.223.195/32
  • 42.245.223.196/32
  • 42.245.223.197/32
  • 42.245.223.198/32
  • 42.245.223.199/32
  • 42.245.223.200/32
  • 42.245.223.201/32
  • 42.245.223.202/32
  • 42.245.223.203/32
  • 42.245.223.204/32
  • 42.245.223.205/32
  • 42.245.223.206/32
  • 42.245.223.207/32
  • 42.245.223.208/32
  • 42.245.223.209/32
  • 42.245.223.210/32
  • 42.245.223.211/32
  • 42.245.223.212/32
  • 42.245.223.213/32
  • 42.245.223.214/32
  • 42.245.223.215/32
  • 42.245.223.216/32
  • 42.245.223.217/32
  • 42.245.223.218/32
  • 42.245.223.219/32
  • 42.245.223.220/32
  • 42.245.223.221/32
  • 42.245.223.222/32
  • 42.245.223.223/32
  • 42.245.223.224/32
  • 42.245.223.225/32
  • 42.245.223.226/32
  • 42.245.223.227/32
  • 42.245.223.228/32
  • 42.245.223.229/32
  • 42.245.223.230/32
  • 42.245.223.231/32
  • 42.245.223.232/32
  • 42.245.223.233/32
  • 42.245.223.234/32
  • 42.245.223.235/32
  • 42.245.223.236/32
  • 42.245.223.237/32
  • 42.245.223.238/32
  • 42.245.223.239/32
  • 42.245.223.240/32
  • 42.245.223.241/32
  • 42.245.223.242/32
  • 42.245.223.243/32
  • 42.245.223.244/32
  • 42.245.223.245/32
  • 42.245.223.246/32
  • 42.245.223.247/32
  • 42.245.223.248/32
  • 42.245.223.249/32
  • 42.245.223.250/32
  • 42.245.223.251/32
  • 42.245.223.252/32
  • 42.245.223.253/32
  • 42.245.223.254/32
  • 42.245.223.255/32

Get started with 100,000 free lookups: sign up