81.31.144.0/20
🇮🇹CIDR
81.31.144.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇮🇹 Italy
City
Milan
RIR
RIPENCC
Status
allocated
Allocated
4/11/2006
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
16 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.31.144.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.145.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.146.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.147.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.148.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.149.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.150.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.151.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.152.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.153.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.154.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.155.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.156.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.157.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.158.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
| 81.31.159.0/24 | AS47242HOST-SPA Host SpA | Valid | — | 6/1/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS47242 | RIPE | COLTENGINE-MNT | 10/3/2024 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 81.31.152.0/23 | 🇮🇹IT | assigned | |
| 81.31.158.0/23 | 🇮🇹IT | assigned | |
| 81.31.148.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.145.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.146.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.147.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.149.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.151.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.154.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.155.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.156.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.157.0/24 | AS47242 | 🇮🇹IT | assigned |
| 81.31.144.0/25 | 🇮🇹IT | assigned | |
| 81.31.144.128/27 | 🇮🇹IT | assigned | |
| 81.31.144.208/28 | 🇮🇹IT | assigned | |
| 81.31.150.144/28 | 🇮🇹IT | assigned | |
| 81.31.144.160/28 | 🇮🇹IT | assigned | |
| 81.31.144.192/28 | 🇮🇹IT | assigned | |
| 81.31.144.176/28 | 🇮🇹IT | assigned | |
| 81.31.144.224/29 | 🇮🇹IT | assigned | |
| 81.31.150.248/29 | 🇮🇹IT | assigned |
Origin ASN
AS47242
HOST-SPA Host SpA
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/81.31.144.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.31.144.0/20" | jq
External Links