136.245.128.0/20
🇺🇸CIDR
136.245.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Lyons
RIR
ARIN
Status
allocated
Allocated
7/18/2025
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 136.245.128.0/20 | AS399837ALTAMAHA-FIBER - Altamaha Fiber | No ROA | ARIN | 5/31/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 136.245.129.0/24 | AS399837ALTAMAHA-FIBER - Altamaha Fiber | No ROA | — | 5/31/2026 |
| 136.245.130.0/24 | AS399837ALTAMAHA-FIBER - Altamaha Fiber | No ROA | — | 5/31/2026 |
| 136.245.131.0/24 | AS399837ALTAMAHA-FIBER - Altamaha Fiber | No ROA | — | 5/31/2026 |
| 136.245.132.0/24 | AS399837ALTAMAHA-FIBER - Altamaha Fiber | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS399837 | ARIN | MNT-AEMC-5 | 7/21/2025 |
Origin ASN
AS399837
ALTAMAHA-FIBER - Altamaha Fiber
Geolocation
API
Open https://api.ipctl.io/v1/prefix/136.245.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/136.245.128.0/20" | jq
External Links