121.200.16.0/21
🇦🇺CIDR
121.200.16.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇦🇺 Australia
City
Geelong
RIR
APNIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.16.0/21 | AS4764WIDEBAND-AS-AP - Aussie Broadband | Valid | APNIC | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 121.200.0.0/19 | AS4764WIDEBAND-AS-AP - Aussie Broadband | Valid | — | 5/31/2026 |
| 121.200.16.0/20 | AS4764WIDEBAND-AS-AP - Aussie Broadband | Valid | — | 5/31/2026 |
| 121.200.16.0/22 | AS4764WIDEBAND-AS-AP - Aussie Broadband | Valid | — | 5/31/2026 |
| 121.200.20.0/22 | AS4764WIDEBAND-AS-AP - Aussie Broadband | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 121.200.0.0/19 | AS4764 | /24 | apnic |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS4764 | APNIC | MAINT-AU-WIDEBAND1 | 11/12/2019 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 121.200.17.0/24 | 🇦🇺AU | assigned | |
| 121.200.18.0/24 | 🇦🇺AU | assigned | |
| 121.200.19.0/24 | 🇦🇺AU | assigned | |
| 121.200.23.0/24 | 🇦🇺AU | assigned | |
| 121.200.20.0/24 | 🇦🇺AU | assigned | |
| 121.200.21.0/24 | 🇦🇺AU | assigned | |
| 121.200.22.0/24 | 🇦🇺AU | assigned | |
| 121.200.16.0/24 | 🇦🇺AU | assigned |
Origin ASN
AS4764
WIDEBAND-AS-AP - Aussie Broadband
Geolocation
API
Open https://api.ipctl.io/v1/prefix/121.200.16.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/121.200.16.0/21" | jq
External Links