AS Number
AS24366
AS Name
CNGI-SH-IX3-AS-AP
Org Name
CERNET2 IX at Tongji University
Country / Region
China
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS24366 Looking Glass
IPv4Prefixes

36

IPv6Prefixes

22

IPv4 NUMs

166,912

IPv6 NUMs(/64)

4,296,015,874

CIDR Description IP Num
49.52.96.0/20
IRR InValid
SHR-CERNET China Education and Research Network 4096
58.194.64.0/19
IRR InValid
CIS-CERNET China Education and Research Network 8192
58.198.32.0/22
IRR InValid
SHR-CERNET China Education and Research Network 1024
58.198.64.0/18
IRR InValid
SHR-CERNET China Education and Research Network 16384
58.198.128.0/19
IRR InValid
SHR-CERNET China Education and Research Network 8192
58.198.160.0/20
IRR InValid
SHR-CERNET China Education and Research Network 4096
58.199.128.0/18
IRR InValid
SHR-CERNET China Education and Research Network 16384
58.200.106.0/24
IRR InValid
CIS-CERNET China Education and Research Network 256
58.200.109.0/24
IRR InValid
CIS-CERNET China Education and Research Network 256
59.79.0.0/18
IRR InValid
SHR-CERNET China Education and Research Network 16384
59.79.64.0/19
IRR InValid
SHR-CERNET China Education and Research Network 8192
59.79.96.0/21
IRR InValid
SHR-CERNET China Education and Research Network 2048
59.79.116.0/23
IRR InValid
SHR-CERNET China Education and Research Network 512
111.186.96.0/19
IRR InValid
SHR-CERNET China Education and Research Network 8192
111.187.0.0/19
IRR InValid
SHR-CERNET China Education and Research Network 8192
111.187.0.0/17
IRR InValid
SHR-CERNET China Education and Research Network 32768
202.120.112.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
202.120.112.0/20
IRR InValid
CERNET-CN China Education and Research Network 4096
202.120.125.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
202.120.126.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
202.120.127.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
202.120.160.0/20
IRR InValid
CERNET-CN China Education and Research Network 4096
202.120.176.0/20
IRR InValid
CERNET-CN China Education and Research Network 4096
202.121.20.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
202.121.28.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
202.121.32.0/20
IRR InValid
CERNET-CN China Education and Research Network 4096
202.121.64.0/20
IRR InValid
CERNET-CN China Education and Research Network 4096
202.121.168.0/21
IRR InValid
CERNET-CN China Education and Research Network 2048
202.121.192.0/21
IRR InValid
CERNET-CN China Education and Research Network 2048
202.121.252.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
210.35.68.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
210.35.100.0/24
IRR InValid
CERNET-CN China Education and Research Network 256
210.35.100.0/22
IRR InValid
CERNET-CN China Education and Research Network 1024
211.80.112.0/20
IRR InValid
CERNET China Education and Research Network 4096
219.228.48.0/21
IRR InValid
CERNET-CN China Education and Research Network 2048
222.204.176.0/20
IRR InValid
SHR-CERNET China Education and Research Network 4096
CIDR Description IP NUMs(prefix /64)
2001:250:6006::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:600b::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:6012::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:6025::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:6040::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:250:6041::/48
CERNET-CN-20000426 CERNET IPv6 Backbone 65536
2001:da8:b8::/64
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 1
2001:da8:b8::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:b8:e80::/64
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 1
2001:da8:8002::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:800f::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:8010::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:8014::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:8015::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:801c::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:8025::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:8030::/48
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 65536
2001:da8:feee:8002::/64
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 1
2001:da8:ff3a:c8c2::/64
CNGI-CERNET2-CN-20031110 China Next Generation Internet CERNET2 1
240c:c0a8:5c49::/48
IRR InValid
CERNET China Education and Research Network 65536
240c:c702::/32
IRR InValid
CERNET China Education and Research Network 4294967296
240c:c702:4d7:103::/64
IRR InValid
CERNET China Education and Research Network 1
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS23910 CNGI-CERNET2-AS-AP - China Next Generation Internet CERNET2, CN China 256 35,201,551,958,016 IPv6 IPv6
AS4538 ERX-CERNET-BKB - China Education and Research Network Center, CN China 17,174,784 17,935,855,058,948 IPv4 IPv4

Whois Record

as-block AS23552 - AS24575

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
to APNIC members and end-users in the APNIC region
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

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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
2026-08-26T00:40:00Z
source
APNIC

as-block AS24298 - AS24400

as-block
descr
APNIC ASN block
remarks
These AS numbers are further assigned by APNIC
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

role
APNIC Hostmaster
address
PO Box 3646
South Brisbane
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
2026-08-26T00:40:00Z
source
APNIC

aut-num AS24366

aut-num
as-name
CNGI-SH-IX3-AS-AP
descr
CERNET2 IX at Tongji University
CERNET Center
Beijing 100084, China
country
CN
import
from AS23910 action pref=10; accept ANY
from AS4134 action pref=10; accept ANY
from AS4837 action pref=10; accept ANY
from AS7497 action pref=10; accept ANY
from AS9800 action pref=10; accept ANY
from AS9808 action pref=10; accept ANY
from AS4538 action pref=10; accept ANY
from AS23912 action pref=10; accept ANY
export
to AS23910 announce ANY
to AS4134 announce ANY
to AS4837 announce ANY
to AS7497 announce ANY
to AS9800 announce ANY
to AS9808 announce ANY
to AS4538 announce ANY
to AS23912 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
2020-09-03T09:15:57Z
source
APNIC

irt IRT-CERNET-AP

irt
IRT-CERNET-AP
address
Network Center,
FIT-3-220, Tsinghua Univ
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
abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by
MAINT-CERNET-AP
last-modified
2026-05-25T09:07:47Z
source
APNIC

role ABUSE CERNETAP

role
ABUSE CERNETAP
country
ZZ
address
Network Center,
FIT-3-220, Tsinghua Univ
Beijing 100084, China
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
abuse@cernet.edu.cn was validated on 2026-03-05
abuse-mailbox
abuse@cernet.edu.cn
mnt-by
APNIC-ABUSE
last-modified
2026-03-05T06:40:20Z
source
APNIC

role CERNET Helpdesk

role
CERNET Helpdesk
address
CERNET Center
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

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:        PO Box 3646
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:  2026-08-26T00:40:00Z
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:        PO Box 3646
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:  2026-08-26T00:40:00Z
source:         APNIC



aut-num:        AS24366
as-name:        CNGI-SH-IX3-AS-AP
descr:          CERNET2 IX at Tongji University
descr:          CERNET Center
descr:          Beijing 100084, China
country:        CN
import:         from AS23910 action pref=10; accept ANY
import:         from AS4134 action pref=10; accept ANY
import:         from AS4837 action pref=10; accept ANY
import:         from AS7497 action pref=10; accept ANY
import:         from AS9800 action pref=10; accept ANY
import:         from AS9808 action pref=10; accept ANY
import:         from AS4538 action pref=10; accept ANY
import:         from AS23912 action pref=10; accept ANY
export:         to AS23910 announce ANY
export:         to AS4134 announce ANY
export:         to AS4837 announce ANY
export:         to AS7497 announce ANY
export:         to AS9800 announce ANY
export:         to AS9808 announce ANY
export:         to AS4538 announce ANY
export:         to AS23912 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:  2020-09-03T09:15:57Z
source:         APNIC

irt:            IRT-CERNET-AP
address:        Network Center,
address:        FIT-3-220, 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:        abuse@cernet.edu.cn was validated on 2026-03-05
mnt-by:         MAINT-CERNET-AP
last-modified:  2026-05-25T09:07:47Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Center,
address:        FIT-3-220, Tsinghua Univ
address:        Beijing 100084, China
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 2026-03-05
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2026-03-05T06:40:20Z
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