AS Number
AS138374
AS Name
CNGI-TYN-IX-AS-AP
Org Name
CERNET2 regional IX at Taiyuan University
Country
China
Registry

apnic

RegDate

N/A

Updated

2020-09-03T09:16:11Z

AS138374 Looking Glass
IPv4Prefixes

73

IPv6Prefixes

54

IPv4 NUMs

125,952

IPv6 NUMs(/64)

3,538,944

125,952 IPv4 Addresses
CIDR Description IP Num
101.7.128.0/18 BJR-CERNET China Education and Research Network 16384
101.7.160.0/24 BJR-CERNET China Education and Research Network 256
115.24.0.0/20 BJR-CERNET China Education and Research Network 4096
115.24.16.0/21 BJR-CERNET China Education and Research Network 2048
115.24.28.0/22 BJR-CERNET China Education and Research Network 1024
115.24.32.0/21 BJR-CERNET China Education and Research Network 2048
183.175.128.0/19 BJR-CERNET China Education and Research Network 8192
202.207.128.0/20 BJR-CERNET China Education and Research Network 4096
202.207.130.0/24 BJR-CERNET China Education and Research Network 256
202.207.136.0/22 BJR-CERNET China Education and Research Network 1024
202.207.140.0/24 BJR-CERNET China Education and Research Network 256
202.207.160.0/23 BJR-CERNET China Education and Research Network 512
202.207.160.0/20 BJR-CERNET China Education and Research Network 4096
202.207.163.0/24 BJR-CERNET China Education and Research Network 256
202.207.164.0/22 BJR-CERNET China Education and Research Network 1024
202.207.168.0/23 BJR-CERNET China Education and Research Network 512
202.207.174.0/23 BJR-CERNET China Education and Research Network 512
202.207.176.0/20 BJR-CERNET China Education and Research Network 4096
202.207.192.0/20 BJR-CERNET China Education and Research Network 4096
202.207.208.0/24 BJR-CERNET China Education and Research Network 256
202.207.208.0/20 BJR-CERNET China Education and Research Network 4096
202.207.224.0/21 BJR-CERNET China Education and Research Network 2048
202.207.232.0/22 BJR-CERNET China Education and Research Network 1024
202.207.232.0/21 BJR-CERNET China Education and Research Network 2048
202.207.236.0/24 BJR-CERNET China Education and Research Network 256
202.207.236.0/22 BJR-CERNET China Education and Research Network 1024
202.207.240.0/24 BJR-CERNET China Education and Research Network 256
202.207.240.0/20 BJR-CERNET China Education and Research Network 4096
210.31.96.0/24 CERNET-CN China Education and Research Network 256
210.31.96.0/22 CERNET-CN China Education and Research Network 1024
210.31.96.0/19 CERNET-CN China Education and Research Network 8192
210.31.100.0/24 CERNET-CN China Education and Research Network 256
210.31.100.0/22 CERNET-CN China Education and Research Network 1024
210.31.104.0/24 CERNET-CN China Education and Research Network 256
210.31.104.0/21 CERNET-CN China Education and Research Network 2048
210.31.112.0/24 CERNET-CN China Education and Research Network 256
211.82.0.0/22 CERNET-CN China Education and Research Network 1024
211.82.0.0/20 CERNET-CN China Education and Research Network 4096
211.82.8.0/24 CERNET-CN China Education and Research Network 256
211.82.8.0/21 CERNET-CN China Education and Research Network 2048
211.82.16.0/24 CERNET-CN China Education and Research Network 256
211.82.16.0/21 CERNET-CN China Education and Research Network 2048
211.82.24.0/24 CERNET-CN China Education and Research Network 256
211.82.24.0/22 CERNET-CN China Education and Research Network 1024
211.82.29.0/24 CERNET-CN China Education and Research Network 256
211.82.32.0/24 CERNET-CN China Education and Research Network 256
211.82.32.0/21 CERNET-CN China Education and Research Network 2048
211.82.40.0/21 CERNET-CN China Education and Research Network 2048
211.82.48.0/22 CERNET-CN China Education and Research Network 1024
211.82.56.0/24 CERNET-CN China Education and Research Network 256
211.82.56.0/21 CERNET-CN China Education and Research Network 2048
219.226.80.0/20 BJR-CERNET China Education and Research Network 4096
219.226.96.0/19 BJR-CERNET China Education and Research Network 8192
219.243.128.0/21 CERNET-CN China Education and Research Network 2048
219.243.136.0/24 CERNET-CN China Education and Research Network 256
219.243.136.0/21 CERNET-CN China Education and Research Network 2048
219.243.144.0/21 CERNET-CN China Education and Research Network 2048
222.31.0.0/21 BJR-CERNET China Education and Research Network 2048
222.31.8.0/21 BJR-CERNET China Education and Research Network 2048
222.31.16.0/22 BJR-CERNET China Education and Research Network 1024
222.31.20.0/22 BJR-CERNET China Education and Research Network 1024
222.31.24.0/21 BJR-CERNET China Education and Research Network 2048
222.31.32.0/19 BJR-CERNET China Education and Research Network 8192
222.199.0.0/22 BJR-CERNET China Education and Research Network 1024
222.199.5.0/24 BJR-CERNET China Education and Research Network 256
222.199.6.0/23 BJR-CERNET China Education and Research Network 512
222.199.20.0/24 BJR-CERNET China Education and Research Network 256
222.199.24.0/22 BJR-CERNET China Education and Research Network 1024
222.199.28.0/22 BJR-CERNET China Education and Research Network 1024
222.199.32.0/22 BJR-CERNET China Education and Research Network 1024
222.199.40.0/24 BJR-CERNET China Education and Research Network 256
222.199.41.0/24 BJR-CERNET China Education and Research Network 256
222.199.52.0/24 BJR-CERNET China Education and Research Network 256
CIDR Description IP NUMs(prefix /64)
2001:250:c00::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c01::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c02::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c03::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c04::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c05::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c06::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c07::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c08::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c09::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c0a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c0b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c0d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c0e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c0f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c11::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c12::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c13::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c14::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c15::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c16::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c17::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c18::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c19::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c1a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c1b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c1c::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c1e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c1f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c20::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c21::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c22::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c23::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c24::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c25::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c26::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c27::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c28::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c29::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c2a::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c2b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c2c::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c2d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c2f::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c30::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c31::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c32::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c33::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c34::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c35::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c36::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c37::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:c3b::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:ce::/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 17,172,736 17,970,298,617,856 IPv4 IPv4
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 256 17,605,070,946,304 IPv6 IPv6
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:        AS138374
as-name:        CNGI-TYN-IX-AS-AP
descr:          CERNET2 regional IX at Taiyuan 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:  2020-09-03T09:16:11Z
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