203.123.112.0/20 - BGP Prefix
IPv4APNICallocated RPKI Valid
CIDR
203.123.112.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇦🇺 Australia
City
Adelaide
RIR
APNIC
Status
allocated
Allocated
2005-04-04
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns →
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.123.96.0/19 | AS38195 SUPERLOOP-AS-AP - Superloop | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.123.96.0/19 | AS38195 | /19 | apnic |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 203.123.112.0/24 | 🇦🇺AU | assigned | |
| 203.123.113.0/24 | 🇦🇺AU | assigned | |
| 203.123.114.0/24 | 🇦🇺AU | assigned | |
| 203.123.115.0/24 | 🇦🇺AU | assigned | |
| 203.123.116.0/24 | 🇦🇺AU | assigned | |
| 203.123.117.0/24 | 🇦🇺AU | assigned | |
| 203.123.120.0/24 | 🇦🇺AU | assigned | |
| 203.123.122.0/24 | 🇦🇺AU | assigned | |
| 203.123.123.0/24 | 🇦🇺AU | assigned | |
| 203.123.124.64/27 | 🇦🇺AU | assigned | |
| 203.123.125.0/24 | 🇦🇺AU | assigned | |
| 203.123.126.0/24 | 🇦🇺AU | assigned |
Related Prefixes
Geolocation
Country🇦🇺AustraliaAU
CityAdelaide
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/203.123.112.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.123.112.0/20" | jq
External Links