AS Number
AS137538
AS Name
CSTCL-AS-AP
Org Name
Caldawin Software Technology Company Limited
Country
Macao
Registry

apnic

RegDate

Updated

2017-12-08T06:45:58Z

AS137538 Looking Glass
IPv4Prefixes

3

IPv6Prefixes

1

IPv4 NUMs

512

IPv6 NUMs(/64)

4,294,967,296

512 IPv4 Addresses
CIDR Description IP Num
103.5.218.0/24
ROA Signed and Valid IRR Valid
CSTCL-MO Caldawin Software Technology Company Limited 256
103.5.218.0/23
ROA Signed and Valid IRR InValid
CSTCL-MO Caldawin Software Technology Company Limited 512
103.5.219.0/24
ROA Signed and Valid IRR Valid
CSTCL-MO Caldawin Software Technology Company Limited 256
CIDR Description IP NUMs(prefix /64)
2400:aae0::/32
ROA Signed and Valid IRR Valid
CSTCL-MO Caldawin Software Technology Company Limited 4294967296
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS132009 EASYBUY-AS-AP - True Internet Co., Ltd., TH Thailand 256 0 IPv4 IPv4
AS140889 IMPEXBDNET-AS-AP - Impex Bd Net, BD Bangladesh 512 65,536 IPv4 IPv4
AS141221 EKWINOX-AS-AP - Equinox, HK Hong Kong 0 262,144 IPv4 IPv4
AS132407 VERISK-AS-AP - Verisk Nepal Pvt. Ltd., NP Nepal 256 0 IPv6 IPv6
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:        6 Cordelia Street
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:  2013-10-23T04:06:51Z
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 2026-01-27
mnt-by:         MAINT-CSTCL-MO
last-modified:  2026-01-27T13:39:45Z
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 2026-01-27
abuse-mailbox:  info@caldawin.com
mnt-by:         APNIC-ABUSE
last-modified:  2026-01-27T13:40:16Z
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


as-block:       AS137530 - AS138553
descr:          APNIC ASN block
admin-c:        IA55-AP
tech-c:         IH123-AP
mnt-by:         MNT-APJII-ID
mnt-lower:      MNT-APJII-ID
last-modified:  2026-02-16T12:29:14Z
source:         IDNIC

role:           ID-NIC ADMINISTRATORS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        hostmasters : hostmaster@apjii.or.id
remarks:        ID-NIC administrators role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IA55-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2019-09-18T07:24:58Z
source:         IDNIC

role:           ID-NIC HOSTMASTERS
address:        Indonesian Network Information Center
address:        ID-NIC
address:        Cyber Building 11th Floor
address:        Jakarta 12710
country:        ID
phone:          +62-21-52960634
fax-no:         +62-21-52960635
e-mail:         hostmaster@idnic.net
remarks:        spam and abuse report : abuse@apjii.or.id
remarks:        technical and routing : support@apjii.or.id
remarks:        administrative request : admin@apjii.or.id
remarks:        IDNIC hostmasters role object
admin-c:        IH1-AP
tech-c:         IH1-AP
nic-hdl:        IH123-AP
notify:         hostmaster@idnic.net
mnt-by:         MNT-APJII-ID
last-modified:  2024-07-10T05:48:59Z
source:         IDNIC