AS21101
Sistemi Hardware&Software S.P.A. ISP registered in Italy
20IPv4 prefixes
0IPv6 prefixes
95%RPKI-valid
#6,155AS Rank
327/327RIS visibility
#76Rank in Italy
2001-08-27Allocated
Sistemi Hardware&Software S.P.A. (AS21101) — ISP, registered in Italy. announces 20 IPv4 prefixes + 0 IPv6 prefixes. Rank in Italy: #76. Allocated: 2001-08-27.
IPv4 20IPv6 0
Announced prefixes · 20
- v4 185.5.94.0/24 valid
- v4 185.5.95.0/24 valid
- v4 193.109.32.0/24 valid
- v4 193.109.33.0/24 valid
- v4 193.109.34.0/24 valid
- v4 193.109.35.0/24 valid
- v4 193.109.36.0/24 valid
- v4 193.109.37.0/24 valid
- v4 193.109.38.0/24 valid
- v4 193.109.39.0/24 valid
- v4 193.150.112.0/24 unknown
- v4 91.240.230.0/24 valid
- v4 91.240.231.0/24 valid
- v4 94.143.100.0/24 valid
- v4 94.143.101.0/24 valid
- v4 94.143.102.0/24 valid
- v4 94.143.103.0/24 valid
- v4 94.143.96.0/24 valid
- v4 94.143.97.0/24 valid
- v4 94.143.98.0/24 valid
RPKI: rpki.cloudflare.com · 2026-06-17
Routing: 20 IPv4 · 0 IPv6 announced · RIS visibility 327/327 RIS peers · RIPEstat · 2026-06-17
Prefix history
Data table
| Day | Announced prefixes |
|---|---|
| 2026-06-12 | 20 |
| 2026-06-13 | 20 |
Internet Exchanges · 4
- TOP-IX Turin 10 Gbps
- France-IX AURA Lyon and Grenoble 1 Gbps
- France-IX Paris Paris 1 Gbps
- MIX-IT Milan 1 Gbps
Facilities · 3
- CSI Piemonte Turin
- ITGate PdF (TRN1/TRN2) Turin
- MIX DC CALDERA Milan
AS topology · Customer cone 3
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