209.212.128.0/20
🇺🇸CIDR
209.212.128.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
Alma
RIR
ARIN
Status
allocated
Allocated
3/11/2008
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.212.128.0/20 | AS11240ATC-BROADBAND - AccessATC | No ROA | ARIN | 6/1/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.212.136.0/23 | AS11240ATC-BROADBAND - AccessATC | No ROA | — | 6/1/2026 |
| 209.212.130.0/24 | AS11240ATC-BROADBAND - AccessATC | No ROA | — | 6/1/2026 |
| 209.212.135.0/24 | AS11240ATC-BROADBAND - AccessATC | No ROA | — | 6/1/2026 |
| 209.212.138.0/24 | AS11240ATC-BROADBAND - AccessATC | No ROA | — | 6/1/2026 |
Origin ASN
AS11240
ATC-BROADBAND - AccessATC
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.212.128.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.212.128.0/20" | jq
External Links