203.100.240.0/20 - BGP Prefix
IPv4APNICassigned RPKI Valid
CIDR
203.100.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇦🇺 Australia
City
St Leonards
RIR
APNIC
Status
assigned
Allocated
-
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 |
|---|---|---|---|---|
| 203.100.224.0/19 | AS1221 ASN-TELSTRA - Telstra Limited | Valid | - | 2026-10-12 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 203.100.224.0/19 | AS1221 | /19 | apnic |
More Specific Prefixes
Transfer History
Registry transfers of 203.100.240.0/20, blocks inside it, or blocks containing it.
- 203.100.224.0/19Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 203.100.224.0/19 | Transfer |
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/203.100.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.100.240.0/20" | jq
External Links