AS Number
AS24352
AS Name
CNGI-TJN-IX-AS-AP
Org Name
CERNET2 IX at Tianjin University
Country
China
Registry

apnic

RegDate

N/A

Updated

2020-09-03T09:16:27Z

AS24352 Looking Glass
IPv4Prefixes

99

IPv6Prefixes

50

IPv4 NUMs

249,856

IPv6 NUMs(/64)

8,593,080,320

249,856 IPv4 Addresses
CIDR Description IP Num
58.200.4.0/24 CIS-CERNET China Education and Research Network 256
58.200.12.0/24 CIS-CERNET China Education and Research Network 256
58.200.112.0/24 CIS-CERNET China Education and Research Network 256
59.67.32.0/20 BJR-CERNET China Education and Research Network 4096
59.67.48.0/21 BJR-CERNET China Education and Research Network 2048
59.67.96.0/20 BJR-CERNET China Education and Research Network 4096
59.67.112.0/20 BJR-CERNET China Education and Research Network 4096
59.67.144.0/20 BJR-CERNET China Education and Research Network 4096
59.67.164.0/22 BJR-CERNET China Education and Research Network 1024
59.67.168.0/21 BJR-CERNET China Education and Research Network 2048
59.67.180.0/22 BJR-CERNET China Education and Research Network 1024
115.24.160.0/20 BJR-CERNET China Education and Research Network 4096
115.24.240.0/20 BJR-CERNET China Education and Research Network 4096
115.26.0.0/20 BJR-CERNET China Education and Research Network 4096
115.26.32.0/21 BJR-CERNET China Education and Research Network 2048
115.26.40.0/21 BJR-CERNET China Education and Research Network 2048
115.26.48.0/20 BJR-CERNET China Education and Research Network 4096
115.26.79.0/24 BJR-CERNET China Education and Research Network 256
115.26.80.0/21 BJR-CERNET China Education and Research Network 2048
121.193.128.0/20 BJR-CERNET China Education and Research Network 4096
202.113.0.0/24 BJR-CERNET China Education and Research Network 256
202.113.0.0/20 BJR-CERNET China Education and Research Network 4096
202.113.0.0/16 BJR-CERNET China Education and Research Network 65536
202.113.13.0/24 BJR-CERNET China Education and Research Network 256
202.113.15.0/24 BJR-CERNET China Education and Research Network 256
202.113.16.0/24 BJR-CERNET China Education and Research Network 256
202.113.16.0/20 BJR-CERNET China Education and Research Network 4096
202.113.64.0/24 BJR-CERNET China Education and Research Network 256
202.113.64.0/20 BJR-CERNET China Education and Research Network 4096
202.113.66.0/24 BJR-CERNET China Education and Research Network 256
202.113.80.0/24 BJR-CERNET China Education and Research Network 256
202.113.80.0/21 BJR-CERNET China Education and Research Network 2048
202.113.88.0/24 BJR-CERNET China Education and Research Network 256
202.113.88.0/21 BJR-CERNET China Education and Research Network 2048
202.113.112.0/24 BJR-CERNET China Education and Research Network 256
202.113.112.0/20 BJR-CERNET China Education and Research Network 4096
202.113.144.0/24 BJR-CERNET China Education and Research Network 256
202.113.144.0/20 BJR-CERNET China Education and Research Network 4096
202.113.160.0/22 BJR-CERNET China Education and Research Network 1024
202.113.168.0/24 BJR-CERNET China Education and Research Network 256
202.113.168.0/21 BJR-CERNET China Education and Research Network 2048
202.113.176.0/20 BJR-CERNET China Education and Research Network 4096
202.113.208.0/24 BJR-CERNET China Education and Research Network 256
202.113.208.0/21 BJR-CERNET China Education and Research Network 2048
202.113.216.0/24 BJR-CERNET China Education and Research Network 256
202.113.216.0/21 BJR-CERNET China Education and Research Network 2048
202.113.224.0/20 BJR-CERNET China Education and Research Network 4096
202.113.225.0/24 BJR-CERNET China Education and Research Network 256
202.113.244.0/22 BJR-CERNET China Education and Research Network 1024
210.31.128.0/17 CERNET-CN China Education and Research Network 32768
210.31.144.0/21 CERNET-CN China Education and Research Network 2048
211.68.112.0/24 CERNET-CN China Education and Research Network 256
211.68.112.0/21 CERNET-CN China Education and Research Network 2048
211.68.192.0/24 CERNET-CN China Education and Research Network 256
211.68.192.0/20 CERNET-CN China Education and Research Network 4096
211.68.192.0/18 CERNET-CN China Education and Research Network 16384
211.68.208.0/24 CERNET-CN China Education and Research Network 256
211.68.208.0/20 CERNET-CN China Education and Research Network 4096
211.68.224.0/21 CERNET-CN China Education and Research Network 2048
211.68.232.0/23 CERNET-CN China Education and Research Network 512
211.68.236.0/24 CERNET-CN China Education and Research Network 256
211.68.236.0/22 CERNET-CN China Education and Research Network 1024
211.68.240.0/24 CERNET-CN China Education and Research Network 256
211.68.240.0/20 CERNET-CN China Education and Research Network 4096
211.81.0.0/17 CERNET-CN China Education and Research Network 32768
211.81.20.0/24 CERNET-CN China Education and Research Network 256
211.81.22.0/24 CERNET-CN China Education and Research Network 256
211.81.24.0/24 CERNET-CN China Education and Research Network 256
211.81.24.0/21 CERNET-CN China Education and Research Network 2048
211.81.32.0/22 CERNET-CN China Education and Research Network 1024
211.81.40.0/24 CERNET-CN China Education and Research Network 256
211.81.40.0/22 CERNET-CN China Education and Research Network 1024
211.81.48.0/20 CERNET-CN China Education and Research Network 4096
219.226.0.0/21 BJR-CERNET China Education and Research Network 2048
219.226.8.0/22 BJR-CERNET China Education and Research Network 1024
219.226.13.0/24 BJR-CERNET China Education and Research Network 256
219.226.14.0/24 BJR-CERNET China Education and Research Network 256
219.226.15.0/24 BJR-CERNET China Education and Research Network 256
219.243.0.0/20 CERNET-CN China Education and Research Network 4096
219.243.10.0/24 CERNET-CN China Education and Research Network 256
219.243.16.0/21 CERNET-CN China Education and Research Network 2048
219.243.24.0/24 CERNET-CN China Education and Research Network 256
219.243.24.0/22 CERNET-CN China Education and Research Network 1024
219.243.32.0/20 CERNET-CN China Education and Research Network 4096
219.243.38.0/24 CERNET-CN China Education and Research Network 256
219.243.39.0/24 CERNET-CN China Education and Research Network 256
219.243.48.0/20 CERNET-CN China Education and Research Network 4096
219.243.80.0/20 CERNET-CN China Education and Research Network 4096
219.243.95.0/24 CERNET-CN China Education and Research Network 256
222.28.209.0/24 BJR-CERNET China Education and Research Network 256
222.30.0.0/24 BJR-CERNET China Education and Research Network 256
222.30.0.0/21 BJR-CERNET China Education and Research Network 2048
222.30.8.0/21 BJR-CERNET China Education and Research Network 2048
222.30.16.0/20 BJR-CERNET China Education and Research Network 4096
222.30.32.0/19 BJR-CERNET China Education and Research Network 8192
222.30.60.0/24 BJR-CERNET China Education and Research Network 256
222.30.64.0/20 BJR-CERNET China Education and Research Network 4096
222.30.88.0/21 BJR-CERNET China Education and Research Network 2048
222.30.96.0/20 BJR-CERNET China Education and Research Network 4096
CIDR Description IP NUMs(prefix /64)
2001:250:401::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:402::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:403::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:404::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:405::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:406::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:407::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:408::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:40d::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:40e::/48 CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:a6::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a001::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a002::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a005::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a006::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a007::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a008::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a009::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00a::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00b::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00c::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00d::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00e::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a00f::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a010::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a011::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a012::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a013::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a014::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a015::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a016::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a017::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a018::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a019::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a01a::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a01b::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a01c::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a01e::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a01f::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a020::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a021::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a023::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a024::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a025::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a027::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a028::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a029::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:a02a::/48 CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2403:ac00::/32 CERNET2-TJU6 Tianjin University 4294967296
240c:c221::/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 17,172,736 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 Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS55826 CERNET2-TJU6-AS-AP - Tianjin University IPv6 Campus Network, CN China 0 131,072 IPv6 IPv6
IP Address Domain NUMs Domains
59.67.37.34 5 job.twt.edu.cn
59.67.37.39 1 inc-app.tju.edu.cn
59.67.37.72 1 serv.tju.edu.cn
59.67.37.73 1 serv.tju.edu.cn
as-block:       AS23552 - AS24575
descr:          APNIC ASN block
remarks:        These AS numbers are further assigned by APNIC
remarks:        to APNIC members and end-users in the APNIC region
remarks:        AS23889 has been transfered to AfriNIC
admin-c:        HM20-AP
tech-c:         HM20-AP
mnt-by:         APNIC-HM
mnt-lower:      APNIC-HM
last-modified:  2009-09-29T06:04:16Z
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


as-block:       AS24298 - AS24400
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:  2008-09-04T06:40:26Z
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:        AS24352
as-name:        CNGI-TJN-IX-AS-AP
descr:          CERNET2 IX at Tianjin University
descr:          CERNET Center
descr:          Beijing 100084, China
country:        CN
import:         from AS23910 action pref=10; accept ANY
import:         from AS4538 action pref=10; accept ANY
export:         to AS23910 announce ANY
export:         to AS4538 announce ANY
default:        to AS23910 action pref=10; networks ANY
remarks:        Multihome member of CERNET
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:  2020-09-03T09:16:27Z
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

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