208.91.52.0/22
🇺🇸CIDR
208.91.52.0/22
IP Version
IPv4
Addresses
1K
Mask
/22 (255.255.252.0)
Country
🇺🇸 United States
City
Boston
RIR
ARIN
Status
allocated
Allocated
5/30/2008
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.91.52.0/22 | AS40947FWOCE-AS42 - Franklin W. Olin College Of Engineering | No ROA | RADB | 5/30/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.91.52.0/24 | AS40947FWOCE-AS42 - Franklin W. Olin College Of Engineering | No ROA | — | 5/30/2026 |
| 208.91.53.0/24 | AS40947FWOCE-AS42 - Franklin W. Olin College Of Engineering | No ROA | — | 5/30/2026 |
| 208.91.54.0/24 | AS40947FWOCE-AS42 - Franklin W. Olin College Of Engineering | No ROA | — | 5/30/2026 |
| 208.91.55.0/24 | AS40947FWOCE-AS42 - Franklin W. Olin College Of Engineering | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS40947 | RADB | MAINT-AS27506 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/208.91.52.0/22Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.91.52.0/22" | jq
External Links