156.72.0.0/16
🇺🇸CIDR
156.72.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Irvine (Irvine Business Complex)
RIR
ARIN
Status
allocated
Allocated
12/19/1991
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
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.72.30.0/23 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.160.0/23 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.60.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.6.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.150.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.153.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.155.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.61.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
| 156.72.7.0/24 | AS12122STJHS - St. Joseph Health System | No ROA | — | 5/30/2026 |
Origin ASN
AS12122
STJHS - St. Joseph Health System
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CityIrvine (Irvine Business Complex)
Coordinates33.6715, -117.8410 ↗
API
Open https://api.ipctl.io/v1/prefix/156.72.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.72.0.0/16" | jq
External Links