158.140.0.0/21
🇺🇸CIDR
158.140.0.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Jose (North San Jose)
RIR
ARIN
Status
allocated
Allocated
3/10/1992
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 158.140.1.0/24 | AS11829CADENCE - Cadence Design Systems, Inc. | No ROA | — | 5/30/2026 |
| 158.140.2.0/24 | AS11829CADENCE - Cadence Design Systems, Inc. | No ROA | — | 5/30/2026 |
| 158.140.5.0/24 | AS11829CADENCE - Cadence Design Systems, Inc. | No ROA | — | 5/30/2026 |
| 158.140.0.0/24 | AS400571CADENCE-ATL - CDNS | No ROA | — | 5/30/2026 |
| 158.140.7.0/24 | AS400571CADENCE-ATL - CDNS | No ROA | — | 5/30/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Jose (North San Jose)
Coordinates37.3961, -121.9200 ↗
API
Open https://api.ipctl.io/v1/prefix/158.140.0.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/158.140.0.0/21" | jq
External Links