208.42.128.0/18
🇺🇸CIDR
208.42.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Grand Rapids (Downtown)
RIR
ARIN
Status
allocated
Allocated
7/16/1999
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.42.128.0/18 | AS8015US-SIGNAL-MN01 - US Signal Company, L.L.C. | No ROA | — | 6/1/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 208.42.188.0/24 | AS209242CLOUDFLARESPECTRUM Cloudflare London, LLC | No ROA | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS198949 | RADB | MAINT-AS198949 | 9/9/2025 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/208.42.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/208.42.128.0/18" | jq
External Links