203.121.200.0/21 - OPTICOMMCOPTYLTD AP Opticomm Pty (AS45763)
CIDR
203.121.200.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇦🇺 Australia
City
Gladesville
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.121.200.0/21 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | APNIC | 2026-10-11 |
More-Specific Announcements
10 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.121.200.0/22 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.200.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.201.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.202.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.203.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.204.0/23 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.204.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.205.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.206.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
| 203.121.207.0/24 | AS45763 OPTICOMMCOPTYLTD-AS-AP Opticomm Co Pty Ltd | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS45763 | APNIC | MAINT-OPTICOMMCOPTYLTD-AU | 2025-03-27 |
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/203.121.200.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.121.200.0/21" | jq
External Links