74.124.0.0/19
🇺🇸CIDR
74.124.0.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
Boulder (Central Boulder)
RIR
ARIN
Status
allocated
Allocated
3/6/2009
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.124.0.0/19 | AS13354ZC38-AS1 - zColo | No ROA | RADB | 5/30/2026 |
Covering Prefix
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 74.124.18.0/23 | AS26405HDCS - HORIZON DATA SOLUTIONS, LLC | No ROA | — | 5/30/2026 |
| 74.124.24.0/24 | AS13767DATABANK-DFW - DataBank Holdings, Ltd. | No ROA | — | 5/30/2026 |
| 74.124.26.0/24 | AS26405HDCS - HORIZON DATA SOLUTIONS, LLC | No ROA | — | 5/30/2026 |
| 74.124.27.0/24 | AS26405HDCS - HORIZON DATA SOLUTIONS, LLC | No ROA | — | 5/30/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS13354 | RADB | MAINT-AS13354 | 11/13/2023 |
Origin ASN
AS13354
ZC38-AS1 - zColo
Geolocation
API
Open https://api.ipctl.io/v1/prefix/74.124.0.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/74.124.0.0/19" | jq
External Links