Caldawin Software Technology Company Limited
AS137538 is Caldawin Software Technology Company Limited (caldawin.com). It announces 512 IPv4 addresses in 3 prefixes, and 1 IPv6 prefixes.
Macao· APNIC· allocated 2022-09-15· business
Where its space is
The IPv4 it announces that IP Geolocation places, by country. A /24 counts for the AS announcing most of it.
- Macao512 · 100.00%
Registry record
Its ASN Whois record, as the registry publishes it.
- handle
- CSTCL-AS-AP
- name
- Caldawin Software Technology Company Limited
- org
- ORG-CSTC2-AP
- org name
- Caldawin Software Technology Company Limited
- org address
- 5 Andar A, Finance and IT Center of Macau, 70 Avenida Comercial de Macau
- org country
- MO
- country
- MO
- source
- apnic
- updated
- 2023-04-04
- descr
- Caldawin Software Technology Company Limited
- maintainer
- APNIC-HM
- maintainer email
- helpdesk@apnic.net
- abuse
- AC2617-AP
- abuse name
- ABUSE CSTCLMO
- abuse email
- info@caldawin.com
- abuse kind
- role
- admin
- CSTC2-AP
- admin name
- Caldawin Software Technology Company Limited administrator
- admin email
- info@caldawin.com
- admin phone
- +853-6588-8368
- admin kind
- role
- admin country
- MO
- tech
- CSTC2-AP
- tech name
- Caldawin Software Technology Company Limited administrator
- tech email
- info@caldawin.com
- tech phone
- +853-6588-8368
- tech kind
- role
- tech country
- MO
What the databases see
Addresses each address-keyed database holds in the IPv4 it announces, as a share of that space, with its largest providers. Counts overlap.
- 0.78%
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- None here
- 0.20%
IPv4 prefixes
Every IPv4 prefix BGP Route saw it announce. A prefix another AS also announces says so.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 103.5.218.0/23 | Macao | valid | 17 | 2026-10-02 |
| 103.5.218.0/24 | Macao | valid | 17 | 2026-10-02 |
| 103.5.219.0/24 | Macao | valid | 17 | 2026-10-02 |
IPv6 prefixes
Every IPv6 prefix BGP Route saw it announce.
| PREFIX | COUNTRY | RPKI | PEERS | FIRST SEEN |
|---|---|---|---|---|
| 2400:aae0::/32 | Macao | valid | 20 | 2026-10-02 |
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