209.242.128.0/19
🇺🇸CIDR
209.242.128.0/19
IP Version
IPv4
Addresses
8.1K
Mask
/19 (255.255.224.0)
Country
🇺🇸 United States
City
San Diego (Oak Park)
RIR
ARIN
Status
allocated
Allocated
6/24/1998
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.242.128.0/19 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | RADB | 6/1/2026 |
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.242.156.0/23 | AS46268PADRES-01 - San Diego Padres | Valid | — | 6/1/2026 |
| 209.242.147.0/24 | AS22687L3NET - L3 NETWORKS INC | Valid | — | 6/1/2026 |
| 209.242.138.0/24 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 6/1/2026 |
| 209.242.128.0/24 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 6/1/2026 |
| 209.242.141.0/24 | AS22773ASN-CXA-ALL-CCI-22773-RDC - Cox Communications Inc. | Valid | — | 6/1/2026 |
| 209.242.137.0/24 | AS63182RAPIDSCALE - RapidScale, Inc | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.242.128.0/19Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.242.128.0/19" | jq
External Links