138.3.0.0/16
🇺🇸IPv4RIPENCCassignedNo ROA
CIDR
138.3.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Washington D.C.
RIR
RIPENCC
Status
assigned
Allocated
9/1/1993
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
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 138.3.96.0/19 | AS31898ORACLE-BMC-31898 - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.64.0/19 | AS31898ORACLE-BMC-31898 - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.224.0/20 | AS20037ORCL-SLDC - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.240.0/20 | AS31898ORACLE-BMC-31898 - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.208.0/20 | AS31898ORACLE-BMC-31898 - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.196.0/22 | AS31898ORACLE-BMC-31898 - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.200.0/24 | AS1215ORACLE-NA-AS - Oracle Corporation | No ROA | — | 6/13/2026 |
| 138.3.207.0/24 | AS18916PSFT-ECENTER - Oracle Corporation | No ROA | — | 6/13/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 138.3.200.0/21 | 🇺🇸US | assigned | |
| 138.3.196.0/22 | AS31898 | 🇺🇸US | assigned |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/138.3.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/138.3.0.0/16" | jq
External Links