AS Number
AS138381
AS Name
CNGI-GYN-IX-AS-AP
Org Name
CERNET2 regional IX at Guizhou University
Country
China
Registry

apnic

RegDate

N/A

Updated

2020-09-03T09:16:13Z

AS138381 Looking Glass
IPv4Prefixes

51

IPv6Prefixes

53

IPv4 NUMs

82,944

IPv6 NUMs(/64)

3,473,408

82,944 IPv4 Addresses
CIDR Description IP Num
121.49.192.0/24 CDR-CERNET China Education and Research Network 256
121.49.195.0/24 CDR-CERNET China Education and Research Network 256
121.49.196.0/24 CDR-CERNET China Education and Research Network 256
121.49.197.0/24 CDR-CERNET China Education and Research Network 256
121.49.198.0/24 CDR-CERNET China Education and Research Network 256
121.49.199.0/24 CDR-CERNET China Education and Research Network 256
121.49.200.0/21 CDR-CERNET China Education and Research Network 2048
210.40.0.0/24 CERNET-CN China Education and Research Network 256
210.40.0.0/18 CERNET-CN China Education and Research Network 16384
210.40.1.0/24 CERNET-CN China Education and Research Network 256
210.40.2.0/24 CERNET-CN China Education and Research Network 256
210.40.3.0/24 CERNET-CN China Education and Research Network 256
210.40.6.0/24 CERNET-CN China Education and Research Network 256
210.40.32.0/24 CERNET-CN China Education and Research Network 256
210.40.32.0/20 CERNET-CN China Education and Research Network 4096
210.40.62.0/23 CERNET-CN China Education and Research Network 512
210.40.63.0/24 CERNET-CN China Education and Research Network 256
210.40.64.0/24 CERNET-CN China Education and Research Network 256
210.40.64.0/18 CERNET-CN China Education and Research Network 16384
210.40.80.0/24 CERNET-CN China Education and Research Network 256
210.40.112.0/24 CERNET-CN China Education and Research Network 256
210.40.112.0/22 CERNET-CN China Education and Research Network 1024
210.40.116.0/22 CERNET-CN China Education and Research Network 1024
210.40.128.0/24 CERNET-CN China Education and Research Network 256
210.40.128.0/20 CERNET-CN China Education and Research Network 4096
210.40.128.0/19 CERNET-CN China Education and Research Network 8192
210.40.144.0/24 CERNET-CN China Education and Research Network 256
210.40.160.0/24 CERNET-CN China Education and Research Network 256
210.40.160.0/20 CERNET-CN China Education and Research Network 4096
211.83.160.0/20 CERNET-CN China Education and Research Network 4096
218.194.224.0/24 CERNET-CN China Education and Research Network 256
218.194.224.0/20 CERNET-CN China Education and Research Network 4096
218.194.240.0/21 CERNET-CN China Education and Research Network 2048
218.194.248.0/24 CERNET-CN China Education and Research Network 256
218.194.248.0/21 CERNET-CN China Education and Research Network 2048
222.19.128.0/20 CDR-CERNET China Education and Research Network 4096
222.19.144.0/22 CDR-CERNET China Education and Research Network 1024
222.19.168.0/24 CDR-CERNET China Education and Research Network 256
222.19.168.0/21 CDR-CERNET China Education and Research Network 2048
222.19.176.0/24 CDR-CERNET China Education and Research Network 256
222.19.176.0/20 CDR-CERNET China Education and Research Network 4096
222.19.190.0/24 CDR-CERNET China Education and Research Network 256
222.198.192.0/20 CDR-CERNET China Education and Research Network 4096
222.198.208.0/20 CDR-CERNET China Education and Research Network 4096
222.198.240.0/24 CDR-CERNET China Education and Research Network 256
222.198.241.0/24 CDR-CERNET China Education and Research Network 256
222.198.242.0/24 CDR-CERNET China Education and Research Network 256
222.198.244.0/24 CDR-CERNET China Education and Research Network 256
222.198.246.0/24 CDR-CERNET China Education and Research Network 256
222.198.247.0/24 CDR-CERNET China Education and Research Network 256
222.198.248.0/22 CDR-CERNET China Education and Research Network 1024
CIDR Description IP NUMs(prefix /64)
2001:250:2100::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c00::/48 GZU6-CERNET ~{9sV]4sQ'~} 65536
2001:250:2c01::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c02::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c03::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c04::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c05::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c06::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c07::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c08::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c09::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c0b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c0c::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c0d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c0e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c0f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c10::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c11::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c12::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c13::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c14::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c15::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c16::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c17::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c18::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c19::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1c::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c1f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c20::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c21::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c22::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c23::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c24::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c25::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c26::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c27::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c28::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c29::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c2a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c2b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c2d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c2e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c30::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c31::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c32::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c33::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c34::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:2c35::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:c3::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,177,856 17,961,706,979,328 IPv4 IPv4
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 3,588 17,609,365,913,600 IPv6 IPv6
IP Address Domain NUMs Domains
121.49.195.4 1 www.gzcc.edu.cn
121.49.195.12 1 oa.gzcc.edu.cn
as-block:       AS137530 - AS138553
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:  2017-12-08T06:45:58Z
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:        AS138381
as-name:        CNGI-GYN-IX-AS-AP
descr:          CERNET2 regional IX at Guizhou University
descr:          CERNET Center
descr:          Beijing 100084, China
country:        CN
org:            ORG-CEAR1-AP
admin-c:        CER-AP
tech-c:         CER-AP
abuse-c:        AC1685-AP
mnt-lower:      MAINT-CERNET-AP
mnt-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
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 2023-12-14
mnt-by:         MAINT-CERNET-AP
last-modified:  2023-12-14T03:44:39Z
source:         APNIC

organisation:   ORG-CEAR1-AP
org-name:       China Education and Research Network (CERNET)
country:        CN
address:        FIT 3-220,
address:        Tsinghua University
phone:          +86-10-62785983
fax-no:         +86-10-62785933
e-mail:         [email protected]
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2018-09-13T12:56:34Z
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 2023-12-14
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2023-12-14T03:44:51Z
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