140.241.0.0/16
🇺🇸CIDR
140.241.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Boston (South End)
RIR
ARIN
Status
allocated
Allocated
7/18/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.241.0.0/16 | AS27370CITYOFBOSTON - City of Boston | Valid | RADB | 5/31/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 140.241.3.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
| 140.241.14.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
| 140.241.25.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
| 140.241.86.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
| 140.241.244.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
| 140.241.250.0/24 | AS27370CITYOFBOSTON - City of Boston | Valid | — | 5/31/2026 |
Origin ASN
AS27370
CITYOFBOSTON - City of Boston
Geolocation
API
Open https://api.ipctl.io/v1/prefix/140.241.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/140.241.0.0/16" | jq
External Links