74.121.0.0/21
🇺🇸CIDR
74.121.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Thousand Oaks (Newbury Park)
RIR
ARIN
Status
allocated
Allocated
12/31/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.121.0.0/21 | AS22937SHELDON-AS-1 - ACT USA | No ROA | ARIN | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.121.4.0/22 | AS22937SHELDON-AS-1 - ACT USA | No ROA | — | 5/30/2026 |
Origin ASN
AS22937
SHELDON-AS-1 - ACT USA
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CityThousand Oaks (Newbury Park)
Coordinates34.1933, -118.9510 ↗
API
Open https://api.ipctl.io/v1/prefix/74.121.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.121.0.0/21" | jq
External Links