AS45938 3 Tai Seng drive # 04-00 🇸🇬 SG

Nucleus Connect Pte Ltd. Announcing 12 prefixes, seen at the RIS collectors.

IPv4 prefixes

4,096 (16 × /24)

IPv6 prefixes

3 × /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: AS45938
Name: 3 Tai Seng drive # 04-00
Organisation: Nucleus Connect Pte Ltd
Country: 🇸🇬 SG
RIR: APNIC
Allocated: 2009-10-19

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

11 valid (91.7%) 0 invalid (0.0%) 1 no ROA (8.3%)

Whois

Fetched from whois.apnic.net

as-block:       AS45056 - AS46079
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:  2009-09-29T05:48:11Z
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:        AS45938
as-name:        NUCLEUS-CONNECT-SG
descr:          3 Tai Seng drive # 04-00
country:        SG
org:            ORG-NCPL2-AP
admin-c:        NCPL2-AP
tech-c:         NCPL2-AP
abuse-c:        AN954-AP
mnt-lower:      MAINT-NUCLEUS-CONNECT-SG
mnt-routes:     MAINT-NUCLEUS-CONNECT-SG
mnt-by:         APNIC-HM
mnt-irt:        IRT-NUCLEUS-CONNECT-SG
last-modified:  2020-08-05T02:08:41Z
source:         APNIC

irt:            IRT-NUCLEUS-CONNECT-SG
address:        67 Ubi Avenue 1,
address:        StarHub Green Building, Singapore 408942
e-mail:         abuse@nucleusconnect.com
abuse-mailbox:  abuse@nucleusconnect.com
admin-c:        NCPL2-AP
tech-c:         NCPL2-AP
auth:           # Filtered
remarks:        abuse@nucleusconnect.com was validated on 2026-06-22
mnt-by:         MAINT-NUCLEUS-CONNECT-SG
last-modified:  2026-06-22T01:35:54Z
source:         APNIC

organisation:   ORG-NCPL2-AP
org-name:       Nucleus Connect Pte Ltd
org-type:       LIR
country:        SG
address:        67, Ubi Avenue 1, # 03-01
phone:          +6568082856
fax-no:         +6568228800
e-mail:         hostmaster@nucleusconnect.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2026-07-28T13:01:49Z
source:         APNIC

role:           ABUSE NUCLEUSCONNECTSG
country:        ZZ
address:        67 Ubi Avenue 1,
address:        StarHub Green Building, Singapore 408942
phone:          +000000000
e-mail:         abuse@nucleusconnect.com
admin-c:        NCPL2-AP
tech-c:         NCPL2-AP
nic-hdl:        AN954-AP
remarks:        Generated from irt object IRT-NUCLEUS-CONNECT-SG
remarks:        abuse@nucleusconnect.com was validated on 2026-06-22
abuse-mailbox:  abuse@nucleusconnect.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-06-26T03:49:30Z
source:         APNIC

role:           NUCLEUS CONNECT PTE LTD - network administrator
address:        3 Tai Seng Drive, #04-00,
address:        Da Vinci Building, Singapore 535216
country:        SG
phone:          +65-6808-2888
fax-no:         +65-6822-8800
e-mail:         hostmaster@nucleusconnect.com
admin-c:        NCPL2-AP
tech-c:         NCPL2-AP
nic-hdl:        NCPL2-AP
mnt-by:         MAINT-NUCLEUS-CONNECT-SG
remarks:        -----------------------------
remarks:        Please send abuse reports to:
remarks:        abuse@nucleusconnect.com
remarks:        -----------------------------
last-modified:  2009-10-25T22:37:01Z
source:         APNIC