AS135437 HostSG 🇸🇬 SG

Announcing 6 prefixes, seen at the RIS collectors.

IPv4 prefixes

4,352 (17 × /24)

IPv6 prefixes

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS135437
Name: HostSG
Organisation: HostSG
Country: 🇸🇬 SG
RIR: APNIC
Allocated: 2024-08-15

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.apnic.net

as-block:       AS134557 - AS135580
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:  2014-09-03T01:31:50Z
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:        AS135437
as-name:        HOSTSG-AS-SG
descr:          HostSG
descr:          750C Chai Chee Road
descr:          #02-02, ESR BizPark @ Chai Chee
descr:          Singapore 469003
country:        SG
org:            ORG-HA94-AP
sponsoring-org: ORG-SA6-AP
admin-c:        HC755-AP
tech-c:         HC755-AP
mnt-routes:     MAINT-SG-SGGS
mnt-by:         APNIC-HM
mnt-irt:        IRT-HOSTSG-SG
abuse-c:        AH1538-AP
last-modified:  2024-08-19T05:58:06Z
source:         APNIC

irt:            IRT-HOSTSG-SG
address:        750C Chai Chee Road
address:
address:        Singapore 469003
e-mail:         abuse@hostsg.com
abuse-mailbox:  abuse@hostsg.com
admin-c:        HC755-AP
tech-c:         HC755-AP
auth:           # Filtered
remarks:        abuse@hostsg.com was validated on 2026-07-08
mnt-by:         MAINT-SG-SGGS
last-modified:  2026-07-08T15:06:33Z
source:         APNIC

organisation:   ORG-HA94-AP
org-name:       HostSG
org-type:       OTHER
address:        750C Chai Chee Road
address:        #02-02, ESR BizPark @ Chai Chee
address:        Singapore 469003
country:        SG
e-mail:         hostmaster@hostsg.com
admin-c:        HC755-AP
tech-c:         HC755-AP
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2024-08-09T16:27:13Z
source:         APNIC

role:           ABUSE HOSTSGSG
country:        ZZ
address:        750C Chai Chee Road
address:
address:        Singapore 469003
phone:          +000000000
e-mail:         abuse@hostsg.com
admin-c:        HC755-AP
tech-c:         HC755-AP
nic-hdl:        AH1538-AP
remarks:        Generated from irt object IRT-HOSTSG-SG
remarks:        abuse@hostsg.com was validated on 2026-07-08
abuse-mailbox:  abuse@hostsg.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-08T15:07:07Z
source:         APNIC

person:         Tan Heng Chai
nic-hdl:        HC755-AP
e-mail:         admin@sg.gs
address:        750C Chai Chee Road
address:        #02-02, Viva Business Park
address:        Singapore 469003
phone:          +65 66537860
country:        SG
mnt-by:         MAINT-SG-SGGS
last-modified:  2019-02-28T09:08:35Z
source:         APNIC