AS Number
AS138438
AS Name
CNGI-GLN-IX-AS-AP
Org Name
CERNET2 regional IX at Guangxi Normal University
Country
China
Registry

apnic

RegDate

N/A

Updated

2020-09-03T09:16:17Z

AS138438 Looking Glass
IPv4Prefixes

38

IPv6Prefixes

27

IPv4 NUMs

83,968

IPv6 NUMs(/64)

8,591,572,992

83,968 IPv4 Addresses
CIDR Description IP Num
1.185.192.0/18 GZR-CERNET China Education and Research Network 16384
125.217.0.0/24 GZR-CERNET China Education and Research Network 256
125.217.2.0/23 GZR-CERNET China Education and Research Network 512
125.217.4.0/22 GZR-CERNET China Education and Research Network 1024
125.217.32.0/19 GZR-CERNET China Education and Research Network 8192
202.193.0.0/20 CERNET-CN China Education and Research Network 4096
202.193.24.0/24 CERNET-CN China Education and Research Network 256
202.193.24.0/21 CERNET-CN China Education and Research Network 2048
202.193.25.0/24 CERNET-CN China Education and Research Network 256
202.193.48.0/20 CERNET-CN China Education and Research Network 4096
202.193.60.0/24 CERNET-CN China Education and Research Network 256
202.193.61.0/24 CERNET-CN China Education and Research Network 256
202.193.64.0/24 CERNET-CN China Education and Research Network 256
202.193.64.0/20 CERNET-CN China Education and Research Network 4096
202.193.80.0/24 CERNET-CN China Education and Research Network 256
202.193.80.0/20 CERNET-CN China Education and Research Network 4096
202.193.81.0/24 CERNET-CN China Education and Research Network 256
202.193.96.0/24 CERNET-CN China Education and Research Network 256
202.193.96.0/21 CERNET-CN China Education and Research Network 2048
202.193.128.0/24 CERNET-CN China Education and Research Network 256
202.193.128.0/20 CERNET-CN China Education and Research Network 4096
202.193.148.0/22 CERNET-CN China Education and Research Network 1024
202.193.156.0/22 CERNET-CN China Education and Research Network 1024
202.193.158.0/24 CERNET-CN China Education and Research Network 256
202.193.160.0/24 CERNET-CN China Education and Research Network 256
202.193.160.0/20 CERNET-CN China Education and Research Network 4096
202.193.171.0/24 CERNET-CN China Education and Research Network 256
202.193.176.0/20 CERNET-CN China Education and Research Network 4096
202.193.192.0/20 CERNET-CN China Education and Research Network 4096
202.193.197.0/24 CERNET-CN China Education and Research Network 256
202.193.198.0/24 CERNET-CN China Education and Research Network 256
202.193.208.0/24 CERNET-CN China Education and Research Network 256
202.193.208.0/20 CERNET-CN China Education and Research Network 4096
222.203.0.0/19 GZR-CERNET China Education and Research Network 8192
222.203.32.0/20 GZR-CERNET China Education and Research Network 4096
222.203.52.0/22 GZR-CERNET China Education and Research Network 1024
222.203.56.0/24 GZR-CERNET China Education and Research Network 256
222.203.60.0/22 GZR-CERNET China Education and Research Network 1024
CIDR Description IP NUMs(prefix /64)
2001:250:3400::/48 GXNU6-CERNET ~{9cNwJ&764sQ'~} 65536
2001:250:3402::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3403::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3404::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:340a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:340e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:340f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3415::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3416::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:341a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:341b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3420::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3421::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3422::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3427::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:342a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:342c::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:342e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3430::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3433::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:343a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:343b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:344d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:3452::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:c5::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
240c:ce83::/32 CERNET China Education and Research Network 4294967296
240c:ce84::/32 CERNET China Education and Research Network 4294967296
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 17,961,707,438,080 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
125.217.0.250 14 act.ltzy.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:        AS138438
as-name:        CNGI-GLN-IX-AS-AP
descr:          CERNET2 regional IX at Guangxi Normal 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-routes:     MAINT-CERNET-AP
mnt-by:         APNIC-HM
mnt-irt:        IRT-CERNET-AP
last-modified:  2020-09-03T09:16:17Z
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