AS Name
CNGI-BJ-IX4-AS-AP
Org Name
CERNET2 IX at Beijing University of Posts and Telecommunications
Registry Region
China
Looking Glass
IPv4Prefixes

4

IPv6Prefixes

4

IPv4 NUMs

8,960

IPv6 NUMs(/64)

4,294,967,296

8,960 IPv4 Addresses
CIDR Description IP Num
202.112.9.0/24 CERBKB-CN China Education and Research Network Backbone 256
202.112.10.0/24 CERBKB-CN China Education and Research Network Backbone 256
202.112.42.0/24 SHCOMP-CN CERNET super computer center 256
222.28.160.0/19 PUMC-CN 协和医科大薛3够 8192
CIDR Description IP NUMs(prefix /64)
2402:2000::/32 CUTE-CN-20070608 China University Internet Test Environment Project (CUTE) 4294967296
2402:2000:6000::/48 CUTE-CN-20070608 China University Internet Test Environment Project (CUTE) 65536
2402:2000:7000::/48 CUTE-CN-20070608 China University Internet Test Environment Project (CUTE) 65536
2402:2000:9000::/48 CUTE-CN-20070608 China University Internet Test Environment Project (CUTE) 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,170,688 17,592,186,109,952 IPv4 IPv4
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 6,656 17,609,365,913,600 IPv6 IPv6
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS55641 Oneworld-Group - Beijing CNISP Technology Co., Ltd., CN China 0 4,831,838,208 IPv6 IPv6
AS45275 ZPARKNET-AS-AP - BII Group Holdings Ltd, CN China 0 68,719,476,736 IPv6 IPv6
IP Address Domain NUMs Domains
202.112.9.188 2 cutops.net
as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC


as-block:       AS24298 - AS24400
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2008-09-04T06:40:26Z
source:         APNIC

role:           APNIC Hostmaster
address:        6 Cordelia Street
address:        South Brisbane
address:        QLD 4101
country:        AU
phone:          +61 7 3858 3100
fax-no:         +61 7 3858 3199
e-mail:         [email protected]
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         [email protected]
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC



aut-num:        AS24350
as-name:        CNGI-BJ-IX4-AS-AP
descr:          CERNET2 IX at Beijing University of Posts and Telecommunications
descr:          CERNET Center
descr:          Beijing 100084, China
country:        CN
import:         from AS23910
                action pref=10;
                accept ANY
import:         from AS4134
                action pref=10;
                accept ANY
import:         from AS4837
                action pref=10;
                accept ANY
import:         from AS7497
                action pref=10;
                accept ANY
import:         from AS9808
                action pref=10;
                accept ANY
import:         from AS9800
                action pref=10;
                accept ANY
import:         from AS9394
                action pref=10;
                accept ANY
import:         from AS23912
                action pref=10;
                accept ANY
import:         from AS4538
                action pref=10;
                accept ANY
import:         from AS9407
                action pref=10;
                accept ANY
import:         from AS17735
                action pref=10;
                accept ANY
export:         to AS23910
                announce ANY
export:         to AS4134
                announce ANY
export:         to AS4837
                announce ANY
export:         to AS7497
                announce ANY
export:         to AS9808
                announce ANY
export:         to AS9800
                announce ANY
export:         to AS9394
                announce ANY
export:         to AS23912
                announce ANY
export:         to AS4538
                announce ANY
export:         to AS9407
                announce ANY
export:         to AS17735
                announce ANY
default:        to AS23910
                action pref=10;
                networks ANY
admin-c:        CER-AP
tech-c:         CER-AP
remarks:        Multihome member of CERNET
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-lower:      MAINT-CERNET-AP
last-modified:  2019-06-09T22:41:34Z
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
mnt-by:         MAINT-CERNET-AP
last-modified:  2010-11-26T03:14:01Z
source:         APNIC

role:           CERNET Helpdesk
address:        Room 224, Main Building
address:        Tsinghua University
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
remarks:        Point of Contact for admin-c
mnt-by:         MAINT-CERNET-AP
last-modified:  2011-12-06T00:10:30Z
source:         APNIC