81.172.64.0/23
🇮🇪CIDR
81.172.64.0/23
IP Version
IPv4
Addresses
512
Mask
/23 (255.255.254.0)
Country
🇮🇪 Ireland
City
Ballymun (North Wood)
RIR
RIPENCC
Status
allocated
Allocated
1/14/2003
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.172.64.0/23 | AS216414upmc-irl-dc UPMC GLOBAL OPERATIONS CENTER LIMITED | No ROA | RIPE | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.172.64.0/24 | AS216414upmc-irl-dc UPMC GLOBAL OPERATIONS CENTER LIMITED | No ROA | — | 5/31/2026 |
| 81.172.65.0/24 | AS216414upmc-irl-dc UPMC GLOBAL OPERATIONS CENTER LIMITED | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS216414 | RIPE | lir-ie-upmcgtoc-1-MNT | 2/17/2026 |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.172.64.0/23Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.172.64.0/23" | jq
External Links