203.208.128.0/19
🇸🇬CIDR
203.208.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇸🇬 Singapore
City
Singapore (Tampines)
RIR
APNIC
Status
allocated
Allocated
8/11/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.208.128.0/19 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | APNIC | 6/1/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.208.128.0/17 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | No ROA | — | 6/1/2026 |
| 203.208.144.0/24 | AS3758SINGNET - SingNet | Valid | — | 6/1/2026 |
| 203.208.158.0/24 | AS4845SINGTEL-TW - Chung Hsiao East Road | Valid | — | 6/1/2026 |
| 203.208.150.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
| 203.208.155.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
| 203.208.158.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
| 203.208.141.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
| 203.208.143.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
| 203.208.147.0/24 | AS7473SINGTEL-AS-AP - Singapore Telecommunications Ltd | Valid | — | 6/1/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.208.128.0/19 | AS7473 | /19 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS7473 | APNIC | MAINT-SINGTEL-IX | 5/16/2025 |
More Specific Prefixes
Geolocation
API
Open https://api.ipctl.io/v1/prefix/203.208.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.208.128.0/19" | jq
External Links