147.53.0.0/18
🇺🇸CIDR
147.53.0.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Notre Dame
RIR
ARIN
Status
allocated
Allocated
6/27/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.53.0.0/18 | AS1265SAINT-MARYS-AS - Saint Mary's College | No ROA | RADB | 5/30/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 147.53.2.0/24 | AS1265SAINT-MARYS-AS - Saint Mary's College | No ROA | — | 5/30/2026 |
| 147.53.8.0/24 | AS1265SAINT-MARYS-AS - Saint Mary's College | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS1265 | RADB | MAINT-AS26554 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/147.53.0.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/147.53.0.0/18" | jq
External Links