128.23.0.0/16
🇺🇸IPv4ARINallocatedNo ROA
CIDR
128.23.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Charleston
RIR
ARIN
Status
allocated
Allocated
11/2/1989
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
5 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 128.23.0.0/17 | AS13429MUSC - Medical University of South Carolina | No ROA | — | 6/13/2026 |
| 128.23.128.0/17 | AS13429MUSC - Medical University of South Carolina | No ROA | — | 6/13/2026 |
| 128.23.120.0/21 | AS13429MUSC - Medical University of South Carolina | No ROA | — | 6/13/2026 |
| 128.23.118.0/23 | AS13429MUSC - Medical University of South Carolina | No ROA | — | 6/13/2026 |
| 128.23.103.0/24 | AS13429MUSC - Medical University of South Carolina | No ROA | — | 6/13/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/128.23.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/128.23.0.0/16" | jq
External Links