209.23.128.0/18
🇺🇸CIDR
209.23.128.0/18
IP Version
IPv4
Addresses
16.3K
Mask
/18 (255.255.192.0)
Country
🇺🇸 United States
City
Duluth (Downtown - Waterfront)
RIR
ARIN
Status
allocated
Allocated
8/1/2000
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.23.128.0/18 | AS12042ENVENTIS - Fidium | No ROA | RADB | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.23.164.0/24 | AS12042ENVENTIS - Fidium | No ROA | — | 5/31/2026 |
| 209.23.180.0/24 | AS12042ENVENTIS - Fidium | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS12042 | RADB | MAINT-CCI | 11/13/2023 |
Origin ASN
AS12042
ENVENTIS - Fidium
Geolocation
Country🇺🇸United StatesUS
RegionMinnesota
CityDuluth (Downtown - Waterfront)
Coordinates46.7856, -92.1025 ↗
API
Open https://api.ipctl.io/v1/prefix/209.23.128.0/18Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.23.128.0/18" | jq
External Links