121.201.0.0/18

AS58543 Guangdong

121.201.0.0/18 - RJNET

ID

RJNET

Description

Guangdong RuiJiang Science and Tech Ltd.

ASN

AS58543 Guangdong

Country

China

Registry

apnic

Whois Details

inetnum:        121.201.0.0 - 121.201.127.255
netname:        RJNET
descr:          Guangdong RuiJiang Science and Tech Ltd.
descr:          Room 404 ,No.100, Lingnan Avenue North,
descr:          Lingnan Building, Foshan, GuangDong,
admin-c:        WY1-AUTO
tech-c:         HZ1-AUTO
country:        CN
mnt-by:         MAINT-AP-CNISP
mnt-irt:        IRT-CNISP-CN
status:         allocated non-portable
last-modified:  2013-08-20T07:08:20Z
source:         APNIC


person:         Wang Yang
nic-hdl:        WY1-AUTO
e-mail:         wangy@efly.cc
address:        Room 404 ,No.100, Lingnan Avenue North,
address:        Lingnan Building, Foshan, GuangDong,
phone:          +86-0757-88031024
country:        CN
mnt-by:         MAINT-AP-CNISP
last-modified:  2013-08-20T07:04:22Z
source:         APNIC


person:         Huo Zhifeng
nic-hdl:        HZ1-AUTO
e-mail:         huozf@efly.cc
address:        Room 404 ,No.100, Lingnan Avenue North,
address:        Lingnan Building, Foshan, GuangDong,
phone:          +86-0757-88031024
country:        CN
mnt-by:         MAINT-AP-CNISP
last-modified:  2013-08-20T07:04:23Z
source:         APNIC


irt:            IRT-CNISP-CN
address:        Beijing CNISP Technology Co., Ltd
e-mail:         ip@cnispgroup.com
abuse-mailbox:  ip@cnispgroup.com
admin-c:        CM2275-AP
tech-c:         CM2275-AP
auth:           # Filtered
mnt-by:         MAINT-AP-CNISP
last-modified:  2017-05-03T07:08:38Z
source:         APNIC

Details

IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.

Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.

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