AS24490 Trans-Eurasia Information Network (TEIN2) - SG

Country of Origin:

China

Prefixes Originated (all): 2
Prefixes Originated (v4): 1
Prefixes Originated (v6): 1

Prefixes Announced (all): 627
Prefixes Announced (v4): 560
Prefixes Announced (v6): 67

RPKI Originated Valid (all): 0
RPKI Originated Valid (v4): 0
RPKI Originated Valid (v6): 0

RPKI Originated Invalid (all): 0
RPKI Originated Invalid (v4): 0
RPKI Originated Invalid (v6): 0

BGP Peers Observed (all): 13
BGP Peers Observed (v4): 13
BGP Peers Observed (v6): 9

IPs Originated (v4): 2,048
AS Paths Observed (v4): 288
AS Paths Observed (v6): 4,190

Average AS Path Length (all): 4.982
Average AS Path Length (v4): 4.566
Average AS Path Length (v6): 5.011

AS24490 IPv4 Peers

ASN	Name
AS24287	National Institute of Informatics
AS24489	Trans-Eurasia Information Network (TEIN2) - North
AS24475	ThaiREN.Thailand Research and Education Network Thailand
AS63961	Bangladesh Research and Education Network (BdREN)
AS24514	Malaysian Research & Education Network
AS23855	Singapore Advanced Research and Education Network
AS9885	NKN INTERNET GATEWAY NETWORK
AS9270	National Infomation Society Agency
AS7575	Australian Academic and Research Network (AARNet)

AS24490 IPv6 Peers

ASN	Name
AS24489	Trans-Eurasia Information Network (TEIN2) - North
AS24287	National Institute of Informatics
AS23855	Singapore Advanced Research and Education Network

AS24490 IPv4 Peer Count

AS24490 IPv6 Peer Count

AS24490 IPv4 Prefixes Announced

AS24490 IPv6 Prefixes Announced

AS24490 IPv4 Prefixes Originated

AS24490 IPv6 Prefixes Originated

AS24490 IPv4 Route Propagation

AS24490 IPv6 Route Propagation

Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
202.179.248.0/21	Trans-Eurasia Information Network (TEIN2)

Prefix	Description	Visibility
Loading Prefixes...

Prefix	Description
2001:254:8000::/33

Bogon Prefixes
Prefix	Type	Status

Rank	Description	IPv6	Peer
1	National Institute of Informatics	X	AS24287
2	Trans-Eurasia Information Network (TEIN2) - North	X	AS24489
3	ThaiREN.Thailand Research and Education Network Thailand	X	AS24475
4	Bangladesh Research and Education Network (BdREN)	X	AS63961
5	Malaysian Research & Education Network	X	AS24514
6	Singapore Advanced Research and Education Network	X	AS23855
7	NKN INTERNET GATEWAY NETWORK		AS9885
8	National Infomation Society Agency	X	AS9270
9	Australian Academic and Research Network (AARNet)	X	AS7575
10	Academia Sinica		AS9264
11	Lanka Education & Research Network, NREN		AS38229
12	Institute of Technology of Cambodia		AS139588
13	PERN AS Content Servie Provider, Islamabad, Pakistan	X	AS45773

Rank	Description	IPv4	Peer
1	Trans-Eurasia Information Network (TEIN2) - North	X	AS24489
2	National Institute of Informatics	X	AS24287
3	Singapore Advanced Research and Education Network	X	AS23855
4	Malaysian Research & Education Network	X	AS24514
5	Bangladesh Research and Education Network (BdREN)	X	AS63961
6	National Infomation Society Agency	X	AS9270
7	ThaiREN.Thailand Research and Education Network Thailand	X	AS24475
8	Australian Academic and Research Network (AARNet)	X	AS7575
9	PERN AS Content Servie Provider, Islamabad, Pakistan	X	AS45773


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:         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

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:        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:        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 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 2025-01-22
mnt-by:         MAINT-CERNET-AP
last-modified:  2025-01-22T13:47:43Z
source:         APNIC

role:           ABUSE CERNETAP
country:        ZZ
address:        Network Research Center,
address:        Main Bldg, 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 2025-01-22
abuse-mailbox:  abuse@cernet.edu.cn
mnt-by:         APNIC-ABUSE
last-modified:  2025-01-22T16:25:45Z
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

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

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