AS Number
AS138376
AS Name
CNGI-YCH-IX-AS-AP
Org Name
CERNET2 regional IX at Ningxia University
Country
China
Registry

apnic

RegDate

N/A

Updated

2020-09-03T09:16:02Z

AS138376 Looking Glass
IPv4Prefixes

27

IPv6Prefixes

17

IPv4 NUMs

61,952

IPv6 NUMs(/64)

1,114,112

61,952 IPv4 Addresses
CIDR Description IP Num
58.194.128.0/20 CIS-CERNET China Education and Research Network 4096
59.76.187.0/24 XAR-CERNET China Education and Research Network 256
59.76.188.0/22 XAR-CERNET China Education and Research Network 1024
59.76.192.0/21 XAR-CERNET China Education and Research Network 2048
59.76.200.0/21 XAR-CERNET China Education and Research Network 2048
59.76.208.0/21 XAR-CERNET China Education and Research Network 2048
59.76.224.0/20 XAR-CERNET China Education and Research Network 4096
202.201.112.0/20 XAR-CERNET China Education and Research Network 4096
202.201.128.0/24 XAR-CERNET China Education and Research Network 256
202.201.128.0/19 XAR-CERNET China Education and Research Network 8192
202.201.144.0/24 XAR-CERNET China Education and Research Network 256
202.201.152.0/24 XAR-CERNET China Education and Research Network 256
202.201.152.0/21 XAR-CERNET China Education and Research Network 2048
202.201.154.0/24 XAR-CERNET China Education and Research Network 256
210.27.192.0/20 CERNET-CN China Education and Research Network 4096
210.27.208.0/24 CERNET-CN China Education and Research Network 256
210.27.208.0/22 CERNET-CN China Education and Research Network 1024
210.27.216.0/24 CERNET-CN China Education and Research Network 256
210.27.224.0/20 CERNET-CN China Education and Research Network 4096
210.27.240.0/20 CERNET-CN China Education and Research Network 4096
210.27.242.0/24 CERNET-CN China Education and Research Network 256
210.27.253.0/24 CERNET-CN China Education and Research Network 256
219.247.128.0/21 CERNET-CN China Education and Research Network 2048
219.247.136.0/21 CERNET-CN China Education and Research Network 2048
222.23.192.0/18 XAR-CERNET China Education and Research Network 16384
222.23.209.0/24 XAR-CERNET China Education and Research Network 256
222.23.231.0/24 XAR-CERNET China Education and Research Network 256
CIDR Description IP NUMs(prefix /64)
2001:250:1c00::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c01::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c02::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c03::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c04::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c05::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c06::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c07::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c08::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c09::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c0a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c0b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c0d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:1c0e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:c0::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:4e00::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:4e01::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 256 17,605,070,946,304 IPv6 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,172,736 17,970,298,617,856 IPv4 IPv4
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:        AS138376
as-name:        CNGI-YCH-IX-AS-AP
descr:          CERNET2 regional IX at Ningxia 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:  2020-09-03T09:16:02Z
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 2024-07-04
mnt-by:         MAINT-CERNET-AP
last-modified:  2024-07-04T04:10:10Z
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 2024-07-04
abuse-mailbox:  [email protected]
mnt-by:         APNIC-ABUSE
last-modified:  2024-07-04T04:10:19Z
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