223.129.252.0/24

Announcing ASNs

Country	ASN	Name	Description
	AS4538	ERX-CERNET-BKB	China Education and Research Network Center

223.129.252.0/24 Summary

Prefix:

223.129.252.0/24

Name:

CDR-CERNET

Description:

China Education and Research Network

Country:

IP Addresses:

256

Regional Registry:

APNIC

Allocation Status:

Allocated

Allocation Date:

12^th July 2010

Parent Prefix:

223.128.0.0/15

Contacts

Summary

Country	Prefix	Name	Description	ASN
	223.128.0.0/15	CDR-CERNET	China Education and Research Network	AS4538
	223.129.128.0/17	CDR-CERNET	China Education and Research Network	AS4538
	223.129.240.0/20	CDR-CERNET	China Education and Research Network	AS4538

% Information related to '223.128.0.0 - 223.129.255.255'

% Abuse contact for '223.128.0.0 - 223.129.255.255' is '[email protected]'

inetnum:        223.128.0.0 - 223.129.255.255
netname:        CDR-CERNET
descr:          China Education and Research Network
descr:          Chengdu Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        origin AS4538
remarks:        confederation
remarks:        --------------------------------------------------------
remarks:        To report network abuse, please contact mnt-irt
remarks:        For troubleshooting, please contact tech-c and admin-c
remarks:        Report invalid contact via www.apnic.net/invalidcontact
remarks:        --------------------------------------------------------
mnt-by:         APNIC-HM
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:07Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Research Center,
address:        Main Bldg, 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:        http://www.ccert.edu.cn
remarks:        [email protected] was validated on 2022-11-08
mnt-by:         MAINT-CERNET-AP
last-modified:  2022-11-08T03:56:04Z
source:         APNIC

role:           ABUSE CERNETAP
address:        Network Research Center,
address:        Main Bldg, Tsinghua Univ
address:        Beijing 100084, China
country:        ZZ
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 2022-11-08
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2022-11-08T03:56:47Z
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