128.30.0.0/15
🇺🇸CIDR
128.30.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Cambridge (Area 2/MIT)
RIR
RIPE
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.30.0.0/15 | AS3MIT-GATEWAYS - Massachusetts Institute of Technology | No ROA | RADB | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 128.31.0.0/16 | 🇺🇸US | allocated | |
| 128.30.0.0/16 | 🇺🇸US | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/128.30.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.30.0.0/15" | jq
External Links