AS24490 - TEIN2-SG-AP - Trans-Eurasia Information Network (TEIN2) - SG, CN

Singapore
AS Number
AS24490
AS Name
TEIN2-SG-AP
Org Name
Trans-Eurasia Information Network (TEIN2) - SG
Country / Region
China
Registry

apnic

RegDate

Updated

2009-09-29T06:04:16Z

AS24490 Looking Glass
IPv4Prefixes

1

IPv6Prefixes

1

IPv4 NUMs

2,048

IPv6 NUMs(/64)

2,147,483,648

CIDR Description IP Num
202.179.248.0/21
IRR InValid
TEIN2-CERNET Trans-Eurasia Information Network (TEIN2) 2048
CIDR Description IP NUMs(prefix /64)
2001:254:8000::/33
IRR Valid
TEIN2-CERNET Trans-Eurasia Information Network (TEIN2) 2147483648
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS575 DNIC-AS-00575 - Headquarters, USAISC, US United States 0 17,760,256 IPv6 IPv6
AS17579 KREONET2-AS-KR - KISTI, KR Republic of Korea 7,168 65,546 IPv4 IPv4 IPv6 IPv6
AS24489 TEIN2-NORTH-AP - Trans-Eurasia Information Network (TEIN2) - North, CN China 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24514 MYREN-MY - MINISTRY OF HIGHER EDUCATION MALAYSIA, MY Malaysia 5,888 268,894,208 IPv4 IPv4 IPv6 IPv6
AS23855 SINGAREN-GIX-AS-AP - SingAREN, SG Singapore 512 65,536 IPv4 IPv4 IPv6 IPv6
AS141682 AIPL-AS-AP - APIDT Infrastructure Pty Ltd, AU Australia 512 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS45773 HECPERN-AS-PK - HEC, PK Pakistan 12,032 8,590,000,128 IPv6 IPv6
AS7660 APAN-JP - Asia Pacific Advanced Network - Japan, JP Japan 1,024 553,648,128 IPv4 IPv4
AS9885 NKN-INTERNET-GW - National Knowledge Network, IN India 65,792 0 IPv4 IPv4
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 9,984 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS38229 LEARN-LK - Lanka Education and Research Network, LK Sri Lanka 34,816 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS63961 BDREN-UGC-AS-AP - Bangladesh Research and Education Network (BdREN), BD Bangladesh 4,864 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,816 90,194,444,288 IPv4 IPv4 IPv6 IPv6
AS20965 GEANT - GEANT Vereniging, NL Netherlands 9,216 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS24287 tein2-jp - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 256 65,536 IPv4 IPv4 IPv6 IPv6
AS Description Country / Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS20965 GEANT - GEANT Vereniging, NL Netherlands 9,216 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS24287 tein2-jp - Research Organization of Information and Systems, National Institute of Informatics, JP Japan 256 65,536 IPv4 IPv4 IPv6 IPv6
AS45773 HECPERN-AS-PK - HEC, PK Pakistan 12,032 8,590,000,128 IPv4 IPv4 IPv6 IPv6
AS139588 ITC-CAM-AS-AP - Institute of Technology of Cambodia, KH Cambodia 512 0 IPv4 IPv4
AS9885 NKN-INTERNET-GW - National Knowledge Network, IN India 65,792 0 IPv4 IPv4 IPv6 IPv6
AS23855 SINGAREN-GIX-AS-AP - SingAREN, SG Singapore 512 65,536 IPv4 IPv4 IPv6 IPv6
AS63961 BDREN-UGC-AS-AP - Bangladesh Research and Education Network (BdREN), BD Bangladesh 4,864 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS7575 AARNET-AS-AP - Australian Academic and Research Network, AU Australia 1,154,816 90,194,444,288 IPv4 IPv4 IPv6 IPv6
AS9264 ASNet - Academia Sinica, TW Taiwan 71,424 8,589,934,592 IPv4 IPv4 IPv6 IPv6
AS9270 APAN-KR-AS - National Infomation Society Agency, KR Republic of Korea 18,432 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS24514 MYREN-MY - MINISTRY OF HIGHER EDUCATION MALAYSIA, MY Malaysia 5,888 268,894,208 IPv4 IPv4 IPv6 IPv6
AS141682 AIPL-AS-AP - APIDT Infrastructure Pty Ltd, AU Australia 512 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS11537 INTERNET2-RESEARCH-EDU - Internet2, US United States 9,984 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS17579 KREONET2-AS-KR - KISTI, KR Republic of Korea 7,168 65,546 IPv4 IPv4 IPv6 IPv6
AS24489 TEIN2-NORTH-AP - Trans-Eurasia Information Network (TEIN2) - North, CN China 4,096 4,294,967,296 IPv4 IPv4 IPv6 IPv6
AS38229 LEARN-LK - Lanka Education and Research Network, LK Sri Lanka 34,816 4,294,967,296 IPv4 IPv4 IPv6 IPv6

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 AS24431 - AS24517

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 AS24490

aut-num
as-name
TEIN2-SG-AP
descr
Trans-Eurasia Information Network (TEIN2) - SG
China Education and Research Network Center
Tsinghua University, Beijing 100084, China
country
CN
import
from AS20965 action pref=10; accept ANY
from AS7660 action pref=10; accept ANY
from AS9270 action pref=10; accept ANY
export
to AS20965 announce AS24490
to AS7660 announce AS24490
to AS9270 announce AS24490
default
to AS20965 action pref=10; networks ANY
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
2020-09-03T09:16:20Z
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:       AS24431 - AS24517
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:        AS24490
as-name:        TEIN2-SG-AP
descr:          Trans-Eurasia Information Network (TEIN2) - SG
descr:          China Education and Research Network Center
descr:          Tsinghua University, Beijing 100084, China
country:        CN
import:         from AS20965 action pref=10; accept ANY
import:         from AS7660 action pref=10; accept ANY
import:         from AS9270 action pref=10; accept ANY
export:         to AS20965 announce AS24490
export:         to AS7660 announce AS24490
export:         to AS9270 announce AS24490
default:        to AS20965 action pref=10; networks ANY
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:  2020-09-03T09:16:20Z
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