192.5.4.0/23
🇺🇸CIDR
192.5.4.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇺🇸 United States
City
Newmarket
RIR
ARIN
Status
allocated
Allocated
3/12/1984
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.5.4.0/23 | AS3557ISC-AS - Internet Systems Consortium, Inc. | Valid | ARINRADB | 5/30/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 192.5.5.0/24 | AS3557ISC-AS - Internet Systems Consortium, Inc. | Valid | — | 5/30/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/192.5.4.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/192.5.4.0/23" | jq
External Links