AS23767 Agency for Science, Technology, And Research 🇸🇬 SG

A*STAR. Announcing 30 prefixes, seen at the RIS collectors.

IPv4 prefixes

8,960 (35 × /24)

IPv6 prefixes

1 × /48

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS23767
Name: Agency for Science, Technology, And Research
Organisation: A*STAR
Country: 🇸🇬 SG
RIR: APNIC
Allocated: 2003-06-12

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

6 valid (20.0%) 0 invalid (0.0%) 24 no ROA (80.0%)

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:       AS23701 - AS23772
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:        AS23767
as-name:        A-STAR-AS-AP
descr:          A-STAR
descr:          Agency for Science, Technology and Research
descr:          Research Data Center
descr:          Singapore
country:        SG
import:         from AS23734 action pref=10; accept ANY
import:         from AS7610 action pref=100; accept ANY
export:         to AS23734 announce AS23767
export:         to AS7610 announce AS23767
default:        to AS23734 action pref=10; networks ANY
default:        to AS7610 action pref=20; networks ANY
remarks:        A*STAR BGP4 ADMIN
org:            ORG-AA1-AP
admin-c:        NS94-AP
tech-c:         NS94-AP
abuse-c:        AA1894-AP
notify:         ITSS_Network_data@hq.a-star.edu.sg
mnt-lower:      MAINT-SG-NOC
mnt-routes:     MAINT-A-STAR-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-A-STAR-SG
last-modified:  2023-10-31T09:29:20Z
source:         APNIC

irt:            IRT-A-STAR-SG
address:        Agency for Science, Technology and Research
address:
address:
address:
e-mail:         ITSS_Network@hq.a-star.edu.sg
abuse-mailbox:  ITSS_Network@hq.a-star.edu.sg
admin-c:        SM2111-AP
tech-c:         SM2111-AP
auth:           # Filtered
remarks:        itss_network@hq.a-star.edu.sg was validated on 2026-06-10
mnt-by:         MAINT-A-STAR-SG
last-modified:  2026-08-28T06:56:47Z
source:         APNIC

organisation:   ORG-AA1-AP
org-name:       A*STAR
org-type:       LIR
country:        SG
address:        Agency For Science, Technology And Research
address:        1 Fusionopolis Way,
address:        # 20-10 Connexis North Tower
phone:          +65-6826-6111
fax-no:         +65-67771711
e-mail:         contact@a-star.edu.sg
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:14:55Z
source:         APNIC

role:           ABUSE ASTARSG
country:        ZZ
address:        Agency for Science, Technology and Research
address:
address:
address:
phone:          +000000000
e-mail:         ITSS_Network@hq.a-star.edu.sg
admin-c:        SM2111-AP
tech-c:         SM2111-AP
nic-hdl:        AA1894-AP
remarks:        Generated from irt object IRT-A-STAR-SG
remarks:        itss_network@hq.a-star.edu.sg was validated on 2026-06-10
abuse-mailbox:  ITSS_Network@hq.a-star.edu.sg
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-10T01:26:01Z
source:         APNIC

person:         Network Support
nic-hdl:        NS94-AP
e-mail:         ITSS_Network_data@hq.a-star.edu.sg
address:        Agency For Science, Technology And Research
address:        1 Fusionopolis Way,
address:        # 20-10 Connexis North Tower
phone:          +65-64196588
country:        SG
mnt-by:         MAINT-SG-NOC
last-modified:  2019-06-25T01:04:09Z
source:         APNIC