AS137538 Caldawin Software Technology Company Limited 🇲🇴 MO

Announcing 4 prefixes, seen at the RIS collectors.

IPv4 prefixes

1,024 (4 × /24)

IPv6 prefixes

1 × /32

Upstreams

transit providers observed

Peers

settlement-free adjacencies

Downstreams

transit customers observed

Customer cone

ASes reachable through it

Registry and operator data

AS number: AS137538
Name: Caldawin Software Technology Company Limited
Organisation: Caldawin Software Technology Company Limited
Country: 🇲🇴 MO
RIR: APNIC
Allocated: 2022-09-15

RPKI coverage of this AS

Its own announcements, validated against the current ROA set

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

Whois

Fetched from whois.apnic.net

as-block:       AS137530 - AS138553
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:  2017-12-08T06:45:58Z
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:        AS137538
as-name:        CSTCL-AS-AP
descr:          Caldawin Software Technology Company Limited
country:        MO
org:            ORG-CSTC2-AP
admin-c:        CSTC2-AP
tech-c:         CSTC2-AP
abuse-c:        AC2617-AP
mnt-lower:      MAINT-CSTCL-MO
mnt-routes:     MAINT-CSTCL-MO
mnt-by:         APNIC-HM
mnt-irt:        IRT-CSTCL-MO
last-modified:  2023-04-04T13:10:27Z
source:         APNIC

irt:            IRT-CSTCL-MO
address:        5 Andar A, Finance and IT Center of Macau, 70 Avenida Comercial de Macau, Macau Macau 999078
e-mail:         info@caldawin.com
abuse-mailbox:  info@caldawin.com
admin-c:        CSTC2-AP
tech-c:         CSTC2-AP
auth:           # Filtered
remarks:        info@caldawin.com was validated on 2026-07-28
mnt-by:         MAINT-CSTCL-MO
last-modified:  2026-07-28T13:13:08Z
source:         APNIC

organisation:   ORG-CSTC2-AP
org-name:       Caldawin Software Technology Company Limited
org-type:       LIR
country:        MO
address:        5 Andar A, Finance and IT Center of Macau
address:        70 Avenida Comercial de Macau
phone:          +853-6588-8368
e-mail:         info@caldawin.com
mnt-ref:        APNIC-HM
mnt-by:         APNIC-HM
last-modified:  2023-09-05T02:18:59Z
source:         APNIC

role:           ABUSE CSTCLMO
country:        ZZ
address:        5 Andar A, Finance and IT Center of Macau, 70 Avenida Comercial de Macau, Macau Macau 999078
phone:          +000000000
e-mail:         info@caldawin.com
admin-c:        CSTC2-AP
tech-c:         CSTC2-AP
nic-hdl:        AC2617-AP
remarks:        Generated from irt object IRT-CSTCL-MO
remarks:        info@caldawin.com was validated on 2026-07-28
abuse-mailbox:  info@caldawin.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-07-28T13:13:28Z
source:         APNIC

role:           Caldawin Software Technology Company Limited administrator
address:        5 Andar A, Finance and IT Center of Macau, 70 Avenida Comercial de Macau, Macau Macau 999078
country:        MO
phone:          +853-6588-8368
e-mail:         info@caldawin.com
admin-c:        CSTC2-AP
tech-c:         CSTC2-AP
nic-hdl:        CSTC2-AP
mnt-by:         MAINT-CSTCL-MO
last-modified:  2023-10-20T18:25:55Z
source:         APNIC