AS Number
AS4538
AS Name
ERX-CERNET-BKB
Org Name
China Education and Research Network Center
Country
China
Registry

apnic

RegDate

Updated

2020-09-03T09:16:15Z

AS4538 Looking Glass
IPv4Prefixes

5050

IPv6Prefixes

5071

IPv4 NUMs

17,176,832

IPv6 NUMs(/64)

17,931,612,782,592

17,176,832 IPv4 Addresses
CIDR Description IP Num
1.51.0.0/16
IRR Valid
NJR-CERNET China Education and Research Network 65536
1.51.3.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
1.51.16.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
1.51.32.0/20
IRR Parent Valid
NJR-CERNET China Education and Research Network 4096
1.51.48.0/21
IRR InValid
NJR-CERNET China Education and Research Network 2048
1.51.112.0/24
IRR InValid
NJR-CERNET China Education and Research Network 256
1.51.120.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
1.51.144.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
1.51.160.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
1.51.168.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
1.51.176.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
1.51.192.0/18
IRR Valid
NJR-CERNET China Education and Research Network 16384
1.184.0.0/15
IRR Valid
GZR-CERNET China Education and Research Network 131072
1.184.192.0/18
IRR Valid
GZR-CERNET China Education and Research Network 16384
1.185.0.0/18
IRR Valid
GZR-CERNET China Education and Research Network 16384
1.185.64.0/19
IRR Valid
GZR-CERNET China Education and Research Network 8192
1.185.192.0/18
IRR Parent Valid
GZR-CERNET China Education and Research Network 16384
42.244.0.0/18
IRR Valid
NJR-CERNET China Education and Research Network 16384
42.244.0.0/16
IRR InValid
NJR-CERNET China Education and Research Network 65536
42.244.64.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
42.245.0.0/16
IRR Parent Valid
NJR-CERNET China Education and Research Network 65536
42.246.0.0/15
IRR Valid
NJR-CERNET China Education and Research Network 131072
42.247.0.0/19
IRR Parent Valid
DKHCDNDNSWH-CN Wuhan, Hubei 430074, China 8192
42.247.1.0/24
IRR Parent Valid
DKHCDNDNSCD-CN Chengdu, Sichuan 610054, China 256
42.247.2.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.3.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.5.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.8.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.9.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.12.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.13.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.18.0/24
IRR Parent Valid
DKHCDNDNSSH-CN Shanghai 200030, China 256
42.247.19.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.20.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.22.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.29.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.30.0/24
IRR Parent Valid
DKHCDNDNSSY-CN Shenyang, Liaoning 110004, China 256
42.247.44.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.53.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
42.247.58.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
49.52.0.0/19
IRR Parent Valid
SHR-CERNET China Education and Research Network 8192
49.52.0.0/15
IRR Parent Valid
SHR-CERNET China Education and Research Network 131072
49.52.0.0/14
IRR Valid
SHR-CERNET China Education and Research Network 262144
49.52.32.0/20
IRR Valid
SHR-CERNET China Education and Research Network 4096
49.52.48.0/24
IRR Valid
SHR-CERNET China Education and Research Network 256
49.52.64.0/24
IRR Parent Valid
SHR-CERNET China Education and Research Network 256
49.52.64.0/19
IRR Valid
SHR-CERNET China Education and Research Network 8192
49.52.96.0/20
IRR Parent Valid
SHR-CERNET China Education and Research Network 4096
49.120.0.0/14
IRR Valid
WHR-CERNET China Education and Research Network 262144
49.120.64.0/19
IRR Valid
WHR-CERNET China Education and Research Network 8192
49.122.0.0/20
IRR Valid
WHR-CERNET China Education and Research Network 4096
49.122.16.0/21
IRR Valid
WHR-CERNET China Education and Research Network 2048
49.122.24.0/21
IRR Valid
WHR-CERNET China Education and Research Network 2048
49.122.32.0/20
IRR Valid
WHR-CERNET China Education and Research Network 4096
49.122.64.0/22
IRR Parent Valid
WHR-CERNET China Education and Research Network 1024
49.122.128.0/18
IRR Parent Valid
WHR-CERNET China Education and Research Network 16384
49.122.191.0/24
IRR Parent Valid
WHR-CERNET China Education and Research Network 256
49.123.0.0/20
IRR Valid
WHR-CERNET China Education and Research Network 4096
49.123.16.0/21
IRR Valid
WHR-CERNET China Education and Research Network 2048
49.123.64.0/18
IRR Valid
WHR-CERNET China Education and Research Network 16384
49.140.0.0/16
IRR Parent Valid
SYR-CERNET China Education and Research Network 65536
49.140.0.0/15
IRR Valid
SYR-CERNET China Education and Research Network 131072
49.141.0.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
49.141.16.0/21
IRR Valid
SYR-CERNET China Education and Research Network 2048
49.141.24.0/21
IRR Valid
SYR-CERNET China Education and Research Network 2048
49.141.32.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
49.141.64.0/18
IRR Valid
SYR-CERNET China Education and Research Network 16384
49.141.128.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
49.141.144.0/21
IRR Valid
SYR-CERNET China Education and Research Network 2048
49.141.192.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
49.141.210.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
49.208.0.0/17
IRR Valid
XAR-CERNET China Education and Research Network 32768
49.208.0.0/15
IRR InValid
XAR-CERNET China Education and Research Network 131072
49.209.0.0/20
IRR Valid
XAR-CERNET China Education and Research Network 4096
49.209.16.0/20
IRR Valid
XAR-CERNET China Education and Research Network 4096
49.209.32.0/19
IRR Valid
XAR-CERNET China Education and Research Network 8192
49.209.64.0/18
IRR Valid
XAR-CERNET China Education and Research Network 16384
49.209.232.0/21
IRR Valid
XAR-CERNET China Education and Research Network 2048
49.209.240.0/20
IRR Valid
XAR-CERNET China Education and Research Network 4096
58.154.0.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.0.0/15
IRR InValid
SYR-CERNET China Education and Research Network 131072
58.154.16.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.32.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.154.34.0/24
IRR Parent Valid
SYR-CERNET China Education and Research Network 256
58.154.37.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.154.48.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.96.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.128.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.144.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.160.0/19
IRR Valid
SYR-CERNET China Education and Research Network 8192
58.154.192.0/19
IRR Valid
SYR-CERNET China Education and Research Network 8192
58.154.224.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.154.240.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.0.0/20
IRR Parent Valid
SYR-CERNET China Education and Research Network 4096
58.155.0.0/16
IRR Valid
SYR-CERNET China Education and Research Network 65536
58.155.16.0/21
IRR Parent Valid
SYR-CERNET China Education and Research Network 2048
58.155.24.0/21
IRR Parent Valid
SYR-CERNET China Education and Research Network 2048
58.155.32.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.48.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.50.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.51.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.53.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.62.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.63.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.71.0/24
IRR Valid
SYR-CERNET China Education and Research Network 256
58.155.96.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.124.0/22
IRR Valid
SYR-CERNET China Education and Research Network 1024
58.155.128.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.155.130.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.155.132.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.155.134.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.155.136.0/23
IRR Valid
SYR-CERNET China Education and Research Network 512
58.155.144.0/22
IRR Valid
SYR-CERNET China Education and Research Network 1024
58.155.156.0/22
IRR Valid
SYR-CERNET China Education and Research Network 1024
58.155.160.0/21
IRR Valid
SYR-CERNET China Education and Research Network 2048
58.155.168.0/22
IRR Valid
SYR-CERNET China Education and Research Network 1024
58.155.172.0/22
IRR Valid
SYR-CERNET China Education and Research Network 1024
58.155.176.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.192.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.208.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.224.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.155.240.0/20
IRR Valid
SYR-CERNET China Education and Research Network 4096
58.192.0.0/19
IRR Valid
NJR-CERNET China Education and Research Network 8192
58.192.0.0/15
IRR InValid
NJR-CERNET China Education and Research Network 131072
58.192.0.0/12
IRR InValid
NJR-CERNET China Education and Research Network 1048576
58.192.32.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.192.48.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.192.55.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
58.192.56.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.192.64.0/22
IRR InValid
NJR-CERNET China Education and Research Network 1024
58.192.68.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
58.192.69.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
58.192.72.0/21
IRR InValid
NJR-CERNET China Education and Research Network 2048
58.192.80.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.192.87.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
58.192.96.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.192.112.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.192.114.0/24
IRR Valid
NJR-CERNET China Education and Research Network 256
58.192.128.0/18
IRR Valid
NJR-CERNET China Education and Research Network 16384
58.192.141.0/24
IRR Valid
NJR-CERNET China Education and Research Network 256
58.192.144.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.192.152.0/21
IRR InValid
NJR-CERNET China Education and Research Network 2048
58.192.176.0/20
IRR Parent Valid
NJR-CERNET China Education and Research Network 4096
58.192.192.0/21
IRR InValid
NJR-CERNET China Education and Research Network 2048
58.192.192.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.192.208.0/21
IRR InValid
NJR-CERNET China Education and Research Network 2048
58.192.216.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.192.224.0/21
IRR Parent Valid
NJR-CERNET China Education and Research Network 2048
58.192.232.0/21
IRR Parent Valid
NJR-CERNET China Education and Research Network 2048
58.192.240.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.192.248.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.0.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.193.16.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.32.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.40.0/21
IRR Parent Valid
NJR-CERNET China Education and Research Network 2048
58.193.48.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.64.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.72.0/22
IRR Valid
NJR-CERNET China Education and Research Network 1024
58.193.80.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.193.88.0/21
IRR Parent Valid
NJR-CERNET China Education and Research Network 2048
58.193.96.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.112.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.120.0/21
IRR Parent Valid
NJR-CERNET China Education and Research Network 2048
58.193.128.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.152.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.160.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.176.0/24
IRR Parent Valid
NJR-CERNET China Education and Research Network 256
58.193.176.0/20
IRR Valid
NJR-CERNET China Education and Research Network 4096
58.193.192.0/20
IRR InValid
NJR-CERNET China Education and Research Network 4096
58.193.208.0/21
IRR Valid
NJR-CERNET China Education and Research Network 2048
58.193.224.0/19
IRR Valid
NJR-CERNET China Education and Research Network 8192
58.194.8.0/23
IRR Valid
CIS-CERNET China Education and Research Network 512
58.194.10.0/23
IRR Valid
CIS-CERNET China Education and Research Network 512
58.194.16.0/23
IRR Valid
CIS-CERNET China Education and Research Network 512
58.194.24.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.194.32.0/19
IRR Valid
CIS-CERNET China Education and Research Network 8192
58.194.64.0/19
IRR Valid
CIS-CERNET China Education and Research Network 8192
58.194.120.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.194.128.0/20
IRR Valid
CIS-CERNET China Education and Research Network 4096
58.194.160.0/19
IRR Valid
CIS-CERNET China Education and Research Network 8192
58.194.192.0/20
IRR Valid
CIS-CERNET China Education and Research Network 4096
58.194.208.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.194.232.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.194.240.0/20
IRR Valid
CIS-CERNET China Education and Research Network 4096
58.195.0.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.195.16.0/20
IRR Valid
CIS-CERNET China Education and Research Network 4096
58.195.32.0/19
IRR Valid
CIS-CERNET China Education and Research Network 8192
58.195.96.0/23
IRR Parent Valid
CIS-CERNET China Education and Research Network 512
58.195.136.0/21
IRR Valid
CIS-CERNET China Education and Research Network 2048
58.195.144.0/20
IRR Valid
CIS-CERNET China Education and Research Network 4096
58.195.160.0/20