204.27.16.0/20
🇺🇸CIDR
204.27.16.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇺🇸 United States
City
St Louis
RIR
ARIN
Status
allocated
Allocated
5/5/1994
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
6 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 204.27.17.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
| 204.27.20.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
| 204.27.23.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
| 204.27.24.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
| 204.27.25.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
| 204.27.27.0/24 | AS54855ISS-01 - Interface Security Systems LLC | No ROA | — | 6/1/2026 |
Origin ASN
AS30592
Geolocation
API
Open https://api.ipctl.io/v1/prefix/204.27.16.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/204.27.16.0/20" | jq
External Links