203.112.72.0/21 - OPTIMAX BD AP OptiMax Communication (AS38031)
CIDR
203.112.72.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇧🇩 Bangladesh
City
Dhaka (Gulshan)
RIR
APNIC
Status
allocated
Allocated
2006-03-21
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.112.72.0/21 | AS38031 OPTIMAX-BD-AS-AP OptiMax Communication Ltd. | Valid | APNIC | 2026-10-11 |
More-Specific Announcements
14 more-specific announcementsRPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.112.72.0/21 | AS38031 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS38031 | APNIC | MAINT-BD-OPTIMAX | 2009-06-29 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.112.72.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.73.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.74.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.75.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.76.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.77.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.78.0/24 | AS38031 | 🇧🇩BD | assigned |
| 203.112.79.0/24 | AS38031 | 🇧🇩BD | assigned |
Related Prefixes
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the APNIC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/203.112.72.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.112.72.0/21" | jq
External Links