205.143.136.0/21
🇺🇸CIDR
205.143.136.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Dallas
RIR
ARIN
Status
allocated
Allocated
5/15/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.143.136.0/21 | AS396334ORU-ASN - Oral Roberts University | No ROA | RADB | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.143.136.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.137.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.138.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.139.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.140.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.141.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.142.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
| 205.143.143.0/24 | AS396334ORU-ASN - Oral Roberts University | No ROA | — | 5/31/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.143.136.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.143.136.0/21" | jq
External Links