183.172.0.0/15

China Education and Research Network

Announcing ASNs: 1

Parent Prefix: 183.172.0.0/14

RIR: APNIC

Prefix
Routing
Raw Whois

Announcing ASNs

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

183.172.0.0/15 Summary

Prefix:

183.172.0.0/15

Name:

BJR-CERNET

Description:

China Education and Research Network

Country:

IP Addresses:

131,072

Regional Registry:

APNIC

Allocation Status:

Allocated

Allocation Date:

25^th November 2009

Parent Prefix:

183.172.0.0/14

Contacts

Email Contacts:

[email protected]

Abuse Contacts:

[email protected]

Address:

Network Research Center,

Main Bldg,

Tsinghua Univ,

Beijing 100084,

China

Summary

Country	Prefix	Name	Description	ASN
	183.172.0.0/14	BJR-CERNET	China Education and Research Network	AS4538

AS4538 China Education and Research Network Center - Prefix Upstreams

Country	ASN	Name	Description
	AS4837	CHINA169-Backbone	CHINA UNICOM China169 Backbone
	AS4635	HKIX-RS1	Hong Kong Internet Exchange--Route Server 1

% Information related to '183.172.0.0 - 183.175.255.255'

% Abuse contact for '183.172.0.0 - 183.175.255.255' is '[email protected]'

inetnum:        183.172.0.0 - 183.175.255.255
netname:        BJR-CERNET
descr:          China Education and Research Network
descr:          Beijing Regional Network
country:        CN
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
status:         ALLOCATED PORTABLE
remarks:        NS2.NET.EDU.CN
remarks:        DNS.EDU.CN
remarks:        DNS2.EDU.CN
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:  2020-09-03T09:16:13Z
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 2021-10-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2021-10-05T06:01:47Z
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 2021-10-05
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2021-10-25T08:29:43Z
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