203.166.144.0/21 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
203.166.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇨🇦 Canada
City
Toronto
RIR
RIPE NCC
Status
allocated
Allocated
2000-06-22
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 203.166.144.0/24 | AS20473 AS-VULTR - The Constant Company, LLC | No ROA | - | 2026-10-12 |
| 203.166.145.0/24 | AS20473 AS-VULTR - The Constant Company, LLC | No ROA | - | 2026-10-12 |
| 203.166.146.0/24 | AS20473 AS-VULTR - The Constant Company, LLC | No ROA | - | 2026-10-12 |
| 203.166.147.0/24 | AS20473 AS-VULTR - The Constant Company, LLC | No ROA | - | 2026-10-12 |
| 203.166.148.0/24 | AS207990 HR-CUSTOMER HostRoyale Technologies Pvt Ltd | Valid | - | 2026-10-12 |
| 203.166.149.0/24 | AS207990 HR-CUSTOMER HostRoyale Technologies Pvt Ltd | Valid | - | 2026-10-12 |
| 203.166.150.0/24 | AS207990 HR-CUSTOMER HostRoyale Technologies Pvt Ltd | Valid | - | 2026-10-12 |
| 203.166.151.0/24 | AS207990 HR-CUSTOMER HostRoyale Technologies Pvt Ltd | Valid | - | 2026-10-12 |
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 RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/203.166.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/203.166.144.0/21" | jq
External Links