Summary
| Country |
|
| Domain | net.edu.cn |
| Size | 256 |
| IP Range |
202.38.3.0 – 202.38.3.255
Convert CIDR to IP range
|
| Registry | APNIC |
| Network Name | CERNET-CN |
Whois
inetnum: 202.38.2.0 - 202.38.3.255
netname: CERNET-CN
descr: China Education and Research Network
descr: Beijing 100084, China
country: CN
org: ORG-CEAR1-AP
admin-c: CER-AP
tech-c: CER-AP
abuse-c: AC1685-AP
status: ALLOCATED PORTABLE
mnt-by: APNIC-HM
mnt-lower: MAINT-CERNET-AP
mnt-routes: MAINT-CERNET-AP
mnt-irt: IRT-CERNET-AP
last-modified: 2022-04-01T05:01:15Z
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: abuse@cernet.edu.cn
abuse-mailbox: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
auth: # Filtered
remarks: timezone GMT+8
remarks: abuse@cernet.edu.cn was validated on 2026-09-10
mnt-by: MAINT-CERNET-AP
last-modified: 2026-09-10T07:51:56Z
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: hostmaster@cernic.net
mnt-ref: APNIC-HM
mnt-by: APNIC-HM
last-modified: 2018-09-13T12:56:34Z
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: abuse@cernet.edu.cn
admin-c: CER-AP
tech-c: CER-AP
nic-hdl: AC1685-AP
remarks: Generated from irt object IRT-CERNET-AP
remarks: abuse@cernet.edu.cn was validated on 2026-09-10
abuse-mailbox: abuse@cernet.edu.cn
mnt-by: APNIC-ABUSE
last-modified: 2026-09-10T07:52:32Z
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: helpdesk@cernet.edu.cn
remarks: abuse@cernet.edu.cn
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: 202.38.3.0/24
origin: AS4538
descr: China Education and Research Network (CERNET)
FIT 3-220,
Tsinghua University
mnt-by: MAINT-CERNET-AP
last-modified: 2024-03-22T07:32:47Z
source: APNICCIDR IP address subranges within 202.38.3.0/24 subnet
- 202.38.3.0
- 202.38.3.1
- 202.38.3.2
- 202.38.3.3
- 202.38.3.4
- 202.38.3.5
- 202.38.3.6
- 202.38.3.7
- 202.38.3.8
- 202.38.3.9
- 202.38.3.10
- 202.38.3.11
- 202.38.3.12
- 202.38.3.13
- 202.38.3.14
- 202.38.3.15
- 202.38.3.16
- 202.38.3.17
- 202.38.3.18
- 202.38.3.19
- 202.38.3.20
- 202.38.3.21
- 202.38.3.22
- 202.38.3.23
- 202.38.3.24
- 202.38.3.25
- 202.38.3.26
- 202.38.3.27
- 202.38.3.28
- 202.38.3.29
- 202.38.3.30
- 202.38.3.31
- 202.38.3.32
- 202.38.3.33
- 202.38.3.34
- 202.38.3.35
- 202.38.3.36
- 202.38.3.37
- 202.38.3.38
- 202.38.3.39
- 202.38.3.40
- 202.38.3.41
- 202.38.3.42
- 202.38.3.43
- 202.38.3.44
- 202.38.3.45
- 202.38.3.46
- 202.38.3.47
- 202.38.3.48
- 202.38.3.49
- 202.38.3.50
- 202.38.3.51
- 202.38.3.52
- 202.38.3.53
- 202.38.3.54
- 202.38.3.55
- 202.38.3.56
- 202.38.3.57
- 202.38.3.58
- 202.38.3.59
- 202.38.3.60
- 202.38.3.61
- 202.38.3.62
- 202.38.3.63
- 202.38.3.64
- 202.38.3.65
- 202.38.3.66
- 202.38.3.67
- 202.38.3.68
- 202.38.3.69
- 202.38.3.70
- 202.38.3.71
- 202.38.3.72
- 202.38.3.73
- 202.38.3.74
- 202.38.3.75
- 202.38.3.76
- 202.38.3.77
- 202.38.3.78
- 202.38.3.79
- 202.38.3.80
- 202.38.3.81
- 202.38.3.82
- 202.38.3.83
- 202.38.3.84
- 202.38.3.85
- 202.38.3.86
- 202.38.3.87
- 202.38.3.88
- 202.38.3.89
- 202.38.3.90
- 202.38.3.91
- 202.38.3.92
- 202.38.3.93
- 202.38.3.94
- 202.38.3.95
- 202.38.3.96
- 202.38.3.97
- 202.38.3.98
- 202.38.3.99
- 202.38.3.100
- 202.38.3.101
- 202.38.3.102
- 202.38.3.103
- 202.38.3.104
- 202.38.3.105
- 202.38.3.106
- 202.38.3.107
- 202.38.3.108
- 202.38.3.109
- 202.38.3.110
- 202.38.3.111
- 202.38.3.112
- 202.38.3.113
- 202.38.3.114
- 202.38.3.115
- 202.38.3.116
- 202.38.3.117
- 202.38.3.118
- 202.38.3.119
- 202.38.3.120
- 202.38.3.121
- 202.38.3.122
- 202.38.3.123
- 202.38.3.124
- 202.38.3.125
- 202.38.3.126
- 202.38.3.127
- 202.38.3.128
- 202.38.3.129
- 202.38.3.130
- 202.38.3.131
- 202.38.3.132
- 202.38.3.133
- 202.38.3.134
- 202.38.3.135
- 202.38.3.136
- 202.38.3.137
- 202.38.3.138
- 202.38.3.139
- 202.38.3.140
- 202.38.3.141
- 202.38.3.142
- 202.38.3.143
- 202.38.3.144
- 202.38.3.145
- 202.38.3.146
- 202.38.3.147
- 202.38.3.148
- 202.38.3.149
- 202.38.3.150
- 202.38.3.151
- 202.38.3.152
- 202.38.3.153
- 202.38.3.154
- 202.38.3.155
- 202.38.3.156
- 202.38.3.157
- 202.38.3.158
- 202.38.3.159
- 202.38.3.160
- 202.38.3.161
- 202.38.3.162
- 202.38.3.163
- 202.38.3.164
- 202.38.3.165
- 202.38.3.166
- 202.38.3.167
- 202.38.3.168
- 202.38.3.169
- 202.38.3.170
- 202.38.3.171
- 202.38.3.172
- 202.38.3.173
- 202.38.3.174
- 202.38.3.175
- 202.38.3.176
- 202.38.3.177
- 202.38.3.178
- 202.38.3.179
- 202.38.3.180
- 202.38.3.181
- 202.38.3.182
- 202.38.3.183
- 202.38.3.184
- 202.38.3.185
- 202.38.3.186
- 202.38.3.187
- 202.38.3.188
- 202.38.3.189
- 202.38.3.190
- 202.38.3.191
- 202.38.3.192
- 202.38.3.193
- 202.38.3.194
- 202.38.3.195
- 202.38.3.196
- 202.38.3.197
- 202.38.3.198
- 202.38.3.199
- 202.38.3.200
- 202.38.3.201
- 202.38.3.202
- 202.38.3.203
- 202.38.3.204
- 202.38.3.205
- 202.38.3.206
- 202.38.3.207
- 202.38.3.208
- 202.38.3.209
- 202.38.3.210
- 202.38.3.211
- 202.38.3.212
- 202.38.3.213
- 202.38.3.214
- 202.38.3.215
- 202.38.3.216
- 202.38.3.217
- 202.38.3.218
- 202.38.3.219
- 202.38.3.220
- 202.38.3.221
- 202.38.3.222
- 202.38.3.223
- 202.38.3.224
- 202.38.3.225
- 202.38.3.226
- 202.38.3.227
- 202.38.3.228
- 202.38.3.229
- 202.38.3.230
- 202.38.3.231
- 202.38.3.232
- 202.38.3.233
- 202.38.3.234
- 202.38.3.235
- 202.38.3.236
- 202.38.3.237
- 202.38.3.238
- 202.38.3.239
- 202.38.3.240
- 202.38.3.241
- 202.38.3.242
- 202.38.3.243
- 202.38.3.244
- 202.38.3.245
- 202.38.3.246
- 202.38.3.247
- 202.38.3.248
- 202.38.3.249
- 202.38.3.250
- 202.38.3.251
- 202.38.3.252
- 202.38.3.253
- 202.38.3.254
- 202.38.3.255