203.21.195.0/24 - Telstra Limited (AS1221)
CIDR
203.21.195.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇦🇺 Australia
City
Sydney
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 |
|---|---|---|---|---|
| 203.21.195.0/24 | AS1221 ASN-TELSTRA - Telstra Limited | No ROA | APNIC | 2026-10-12 |
Origin ASN
AS1221
ASN-TELSTRA - Telstra Limited
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/203.21.195.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.21.195.0/24" | jq
External Links