129.109.128.0/17
🇺🇸CIDR
129.109.128.0/17
IP Version
IPv4
Addresses
32.7K
Mask
/17 (255.255.128.0)
Country
🇺🇸 United States
City
Galveston
RIR
ARIN
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.109.128.0/17 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
Covering Prefix
10 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 129.109.0.0/16 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.220.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.221.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.222.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.238.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.241.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.242.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.250.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.255.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
| 129.109.151.0/24 | AS14373UTMB - University of Texas Medical Branch | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/129.109.128.0/17Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/129.109.128.0/17" | jq
External Links