AS Number
AS138442
AS Name
CNGI-LSA-IX-AS-AP
Org Name
CERNET2 regional IX at Tibet University
Country / Region
China
Registry

apnic

RegDate

Updated

2017-12-08T06:45:58Z

AS138442 Looking Glass
IPv4Prefixes

17

IPv6Prefixes

2

IPv4 NUMs

22,784

IPv6 NUMs(/64)

131,072

22,784 IPv4 Addresses
CIDR Description IP Num
210.41.0.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
210.41.4.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
210.41.5.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
210.41.8.0/21
IRR InValid
CERNET-CN China Education and Research Network 2048
210.41.16.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
210.41.19.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
210.41.20.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
222.19.64.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
222.19.64.0/19
IRR InValid
CDR-CERNET China Education and Research Network 8192
222.19.65.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
222.19.68.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
222.19.84.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
222.19.94.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
222.19.96.0/22
IRR InValid
CDR-CERNET China Education and Research Network 1024
222.19.112.0/20
IRR InValid
CDR-CERNET China Education and Research Network 4096
223.129.240.0/20
IRR InValid
CDR-CERNET China Education and Research Network 4096
223.129.252.0/24
IRR InValid
CDR-CERNET China Education and Research Network 256
CIDR Description IP NUMs(prefix /64)
2001:250:2e00::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:c8::/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 17,966,001,946,624 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
210.41.4.2 1 post.utibet.edu.cn
210.41.4.7 1 mail.utibet.edu.cn
210.41.4.60 1 yjsc.utibet.edu.cn
210.41.4.61 1 xcb.utibet.edu.cn
210.41.4.68 1 jxcgz.utibet.edu.cn
210.41.4.70 1 wap.utibet.edu.cn
210.41.4.180 2 jwc.utibet.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:         helpdesk@apnic.net
admin-c:        AMS11-AP
tech-c:         AH256-AP
nic-hdl:        HM20-AP
remarks:        Administrator for APNIC
notify:         hostmaster@apnic.net
mnt-by:         MAINT-APNIC-AP
last-modified:  2013-10-23T04:06:51Z
source:         APNIC



aut-num:        AS138442
as-name:        CNGI-LSA-IX-AS-AP
descr:          CERNET2 regional IX at Tibet 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:  2020-09-03T09:15:59Z
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:         abuse@cernet.edu.cn
abuse-mailbox:  abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
auth:           # Filtered
remarks:        timezone GMT+8
remarks:        http://www.ccert.edu.cn
remarks:        abuse@cernet.edu.cn 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:         hostmaster@cernic.net
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:         abuse@cernet.edu.cn
admin-c:        CER-AP
tech-c:         CER-AP
nic-hdl:        AC1685-AP
remarks:        Generated from irt object IRT-CERNET-AP
remarks:        abuse@cernet.edu.cn was validated on 2023-12-14
abuse-mailbox:  abuse@cernet.edu.cn
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:         helpdesk@cernet.edu.cn
remarks:        abuse@cernet.edu.cn
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