223.193.40.0/21

CHINA SCIENCE AND TECHNOLOGY NETWORK

Announcing ASNs: 1

Parent Prefix: 223.192.0.0/15

RIR: APNIC

Prefix
Routing
Raw Whois

Announcing ASNs

Country	ASN	Name	Description
	AS7497	CSTNET-AS-AP	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)

223.193.40.0/21 Summary

Prefix:

223.193.40.0/21

Name:

CSTNET

Description:

CHINA SCIENCE AND TECHNOLOGY NETWORK

Country:

IP Addresses:

2,048

Regional Registry:

APNIC

Allocation Status:

Allocated

Allocation Date:

28^th July 2010

Parent Prefix:

223.192.0.0/15

Contacts

Email Contacts:

[email protected]

Abuse Contacts:

[email protected]

Address:

2 DongshengNan Road,

Haidian District,

Beijing

Summary

Country	Prefix	Name	Description	ASN
	223.192.0.0/15	CSTNET-CN	Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS)	AS7497

AS7497 Computer Network Information Center of Chinese Academy of Sciences (CNIC-CAS) - Prefix Upstreams

ASN	Name	Description
AS3491	BTN-ASN	PCCW Global, Inc.
AS174	COGENT-174	Cogent Communications
AS6939	HURRICANE	Hurricane Electric LLC

% Information related to '223.192.0.0 - 223.193.255.255'

% Abuse contact for '223.192.0.0 - 223.193.255.255' is '[email protected]'

inetnum:        223.192.0.0 - 223.193.255.255
netname:        CSTNET
descr:          CHINA SCIENCE AND TECHNOLOGY NETWORK
descr:          2 DongshengNan Road, Haidian District, Beijing
country:        CN
admin-c:        YW7201-AP
tech-c:         YW7201-AP
abuse-c:        AC1601-AP
status:         ALLOCATED PORTABLE
mnt-by:         MAINT-CNNIC-AP
mnt-lower:      MAINT-CN-CSTNET
mnt-routes:     MAINT-CN-CSTNET
mnt-irt:        IRT-CSTNET-CN
last-modified:  2021-11-05T02:17:22Z
source:         APNIC

irt:            IRT-CSTNET-CN
address:        2 DongshengNan Road, Haidian District, Beijing
e-mail:         [email protected]
abuse-mailbox:  [email protected]
admin-c:        YW7201-AP
tech-c:         YW7201-AP
auth:           # Filtered
mnt-by:         MAINT-CNNIC-AP
last-modified:  2021-11-05T02:16:35Z
source:         APNIC

role:           ABUSE CNNICCN
address:        Beijing, China
country:        ZZ
phone:          +000000000
e-mail:         [email protected]
admin-c:        IP50-AP
tech-c:         IP50-AP
nic-hdl:        AC1601-AP
remarks:        Generated from irt object IRT-CNNIC-CN
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2020-05-14T11:19:01Z
source:         APNIC

person:         Ma Tongyu
address:        2 DongshengNan Road, Haidian District, Beijing
country:        CN
phone:          +86-10-58812000
e-mail:         [email protected]
nic-hdl:        YW7201-AP
mnt-by:         MAINT-CNNIC-AP
last-modified:  2021-11-04T09:35:56Z
source:         APNIC