203.194.128.0/21
ðŸ‡ðŸ‡°CIDR
203.194.128.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
ðŸ‡ðŸ‡° Hong Kong
City
Chai Wan
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.194.128.0/21 | AS9729IS-AP - iAdvantage Limited | Valid | APNICRADB | 6/1/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.194.128.0/17 | AS9729IS-AP - iAdvantage Limited | No ROA | — | 6/1/2026 |
| 203.194.133.0/24 | AS9729IS-AP - iAdvantage Limited | Valid | — | 6/1/2026 |
| 203.194.135.0/24 | AS9729IS-AP - iAdvantage Limited | Valid | — | 6/1/2026 |
Origin ASN
AS9729
IS-AP - iAdvantage Limited
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.194.128.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.194.128.0/21" | jq
External Links