134.243.0.0/16
🇺🇸CIDR
134.243.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Columbus (The Ohio State University)
RIR
ARIN
Status
allocated
Allocated
8/15/1989
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 134.243.0.0/16 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | ARINRADB | 5/30/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 134.243.5.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.50.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.86.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.90.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.252.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.253.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.254.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
| 134.243.255.0/24 | AS33194CAS-AUTONOMOUS-SYSTEM - Chemical Abstracts Service | Valid | — | 5/30/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionOhio
CityColumbus (The Ohio State University)
Coordinates40.0126, -83.0194 ↗
API
Open https://api.ipctl.io/v1/prefix/134.243.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/134.243.0.0/16" | jq
External Links