128.4.0.0/15
🇺🇸IPv4RIPEassigned RPKI Valid
CIDR
128.4.0.0/15
IP Version
IPv4
Addresses
131K
Mask
/15 (255.254.0.0)
Country
🇺🇸 United States
City
Newark
RIR
RIPE
Status
assigned
Allocated
-
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
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.4.0.0/16 | AS2UDEL-DCN - University of Delaware | Valid | — | 6/13/2026 |
| 128.5.0.0/20 | AS3389FORDSRL-AS - Ford Motor Company | No ROA | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 128.4.0.0/16 | AS2 | 🇺🇸US | allocated |
| 128.5.0.0/16 | AS521 | 🇺🇸US | allocated |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/128.4.0.0/15Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.4.0.0/15" | jq
External Links