50.21.240.0/20
🇺🇸CIDR
50.21.240.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Houston
RIR
ARIN
Status
allocated
Allocated
2/28/2011
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 50.21.240.0/20 | AS22645LEARN-COMMODITY - LEARN | No ROA | RADB | 6/1/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 50.21.240.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.242.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.244.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.246.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.248.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.250.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.252.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
| 50.21.254.0/23 | AS1044BLINN-AS - Blinn College | No ROA | — | 6/1/2026 |
Origin ASN
AS22645
LEARN-COMMODITY - LEARN
Geolocation
API
Open https://api.ipctl.io/v1/prefix/50.21.240.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/50.21.240.0/20" | jq
External Links