156.54.121.0/24
🇮🇹CIDR
156.54.121.0/24
IP Version
IPv4
Addresses
256
Mask
/24 (255.255.255.0)
Country
🇮🇹 Italy
City
Milan
RIR
RIPENCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.54.121.0/24 | AS20746ASN-IDC Telecom Italia S.p.A. | No ROA | — | 6/15/2026 |
Covering Prefix
1 less-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.54.64.0/18 | AS3269ASN-IBSNAZ Telecom Italia S.p.A. | No ROA | — | 6/15/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 156.54.121.192/27 | 🇮🇹IT | assigned | |
| 156.54.121.64/29 | 🇮🇹IT | assigned | |
| 156.54.121.152/29 | 🇮🇹IT | assigned | |
| 156.54.121.24/29 | 🇮🇹IT | assigned | |
| 156.54.121.160/30 | 🇮🇹IT | assigned | |
| 156.54.121.72/30 | 🇮🇹IT | assigned | |
| 156.54.121.76/31 | 🇮🇹IT | assigned | |
| 156.54.121.42/31 | 🇮🇹IT | assigned | |
| 156.54.121.170/32 | 🇮🇹IT | assigned | |
| 156.54.121.41/32 | 🇮🇹IT | assigned | |
| 156.54.121.78/32 | 🇮🇹IT | assigned | |
| 156.54.121.169/32 | 🇮🇹IT | assigned | |
| 156.54.121.44/32 | 🇮🇹IT | assigned |
Origin ASN
AS20746
ASN-IDC Telecom Italia S.p.A.
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/156.54.121.0/24Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.54.121.0/24" | jq
External Links