AS23855 Singapore Advanced Research and Education Network 🇸🇬 SG

SingAREN. Announcing 3 prefixes, seen at the RIS collectors.

IPv4 prefixes

512 (2 × /24)

IPv6 prefixes

1 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

25,380

ASes reachable through it

Registry and operator data

AS number: AS23855
Name: Singapore Advanced Research and Education Network
Organisation: SingAREN Open Exchange 1 (GSW)
Country: 🇸🇬 SG
RIR: APNIC
Allocated: 2005-08-24
Network type: Educational/Research
Traffic levels: 10-20Gbps
Scope: Asia Pacific
Peering policy: Open
IRR as-set: AS23855:AS-LOCAL-INSTITUTION
Website: https://www.singaren.net.sg
PeeringDB: net/23014
Exchanges: 3
Facilities: 1

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

3 valid (100.0%) 0 invalid (0.0%) 0 no ROA (0.0%)

Whois

Fetched from whois.apnic.net

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:       AS23854 - AS23944
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:        AS23855
as-name:        SINGAREN-GIX-AS-AP
descr:          Singapore Advanced Research and Education Network
descr:          GigaPoPExchange
country:        SG
import:         from AS10026 action pref=100; accept ANY
import:         from AS4657 action pref=100; accept ANY
import:         from AS9419 action pref=1; accept ANY
export:         to AS9419 announce AS23855
export:         to AS10026 announce AS23855
export:         to AS4657 announce AS23855
org:            ORG-SA8-AP
admin-c:        SPG12-AP
tech-c:         SPG12-AP
abuse-c:        AS2199-AP
notify:         simonpetergreen@singaren.net.sg
mnt-lower:      MAINT-SINGAREN-OPEN-EXCHANGE
mnt-routes:     MAINT-SINGAREN-OPEN-EXCHANGE
mnt-by:         APNIC-HM
mnt-irt:        IRT-SINGAREN-GIX-SG
last-modified:  2024-04-24T09:32:55Z
source:         APNIC

irt:            IRT-SINGAREN-GIX-SG
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:
address:        Singapore 138632
e-mail:         networkadmin@singaren.net.sg
abuse-mailbox:  networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
auth:           # Filtered
remarks:        networkadmin@singaren.net.sg was validated on 2026-08-31
mnt-by:         MAINT-SINGAREN-OPEN-EXCHANGE
last-modified:  2026-10-14T07:26:22Z
source:         APNIC

organisation:   ORG-SA8-AP
org-name:       SingAREN
org-type:       LIR
country:        SG
address:        Singapore Advanced Research and Education Network (SingAREN)
address:        c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        # 17-01 Connexis South
phone:          +65-67905218
e-mail:         admin@singaren.net.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:15:04Z
source:         APNIC

role:           ABUSE SINGARENGIXSG
country:        ZZ
address:        SingAREN c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:
address:        Singapore 138632
phone:          +000000000
e-mail:         networkadmin@singaren.net.sg
admin-c:        SPG12-AP
tech-c:         SPG12-AP
nic-hdl:        AS2199-AP
remarks:        Generated from irt object IRT-SINGAREN-GIX-SG
remarks:        networkadmin@singaren.net.sg was validated on 2026-08-31
abuse-mailbox:  networkadmin@singaren.net.sg
mnt-by:         APNIC-ABUSE
last-modified:  2026-08-31T10:30:22Z
source:         APNIC

person:         Simon Peter Green
address:        Singapore Advanced Research and Education Network (SingAREN)
address:        c/o A*STAR Computational Resource Centre (A*CRC)
address:        1 Fusionopolis Way
address:        #17-01 Connexis South
address:        Singapore 138632
country:        SG
phone:          +65 9653 0930
e-mail:         simonpetergreen@singaren.net.sg
nic-hdl:        SPG12-AP
mnt-by:         MAINT-SINGAREN-OPEN-EXCHANGE
remarks:        Manager (Network & Services)
last-modified:  2024-04-24T12:44:21Z
source:         APNIC