🇮🇹 Italy
Registry and organization country assignments can differ from the physical location of an IP. Snapshot: 2026-10-04.
54,085,248
Delegated IPv4 address slots
1,342
Registered ASNs
42
Hosting ASNs
3,133
Known VPN exit prefixes
Country reference
- ISO code
- IT
- Continent
- Europe
- Capital
- Rome
- Currency
- EUR
- Calling code
- 39
- EU member
- Yes
- Delegated IPv6 address slots
- 856,857,586,171,439,474,482,848,630,571,008
Registry allocations
Allocated and assigned RIR prefixes; address slots are summed across records and may overlap.
| Registry | Prefixes | IPv4 slots | IPv6 slots |
|---|---|---|---|
| APNIC | 9 | 2,560 | 79,231,789,291,723,181,481,068,068,864 |
| ARIN | 10 | 68,096 | 4,952,969,082,961,135,728,771,203,072 |
| RIPE_NCC | 4,817 | 54,014,592 | 856,773,401,413,064,790,165,638,791,299,072 |
Major autonomous systems
Showing up to 200 of 1,342 ASNs assigned to this country, ranked by announced IPv4 prefix address slots. Overlapping announcements count separately.
| ASN | Organization | Category | IPv4 slots | IPv6 prefixes |
|---|---|---|---|---|
| AS3269 | Telecom Italia S.p.A. | isp | 22,595,072 | 1 |
| AS1267 | WIND TRE S.P.A. | business | 10,281,472 | 2 |
| AS12874 | Fastweb SpA | business | 7,366,144 | 18 |
| AS30722 | Fastweb SpA | business | 7,096,576 | 3 |
| AS137 | Consortium GARR | business | 2,763,008 | 2 |
| AS16232 | Telecom Italia S.p.A. | isp | 2,039,808 | 1 |
| AS24608 | WIND TRE S.P.A. | business | 1,451,008 | 0 |
| AS8968 | RETELIT-X S.R.L. | business | 980,224 | 1 |
| AS3302 | Retelit Digital Services S.p.A. | business | 663,808 | 3 |
| AS210278 | Sky Italia srl | business | 656,384 | 1 |
| AS8612 | Smeraldo S.p.A. | business | 541,696 | 1 |
| AS213677 | Fibercop S.p.A. | business | 427,520 | 3 |
| AS35612 | EOLO S.p.A. | business | 418,816 | 1 |
| AS12663 | Fastweb SpA | business | 396,288 | 2 |
| AS198471 | Opnet Srl | business | 360,192 | 1 |
| AS6762 | TELECOM ITALIA SPARKLE S.p.A. | isp | 313,600 | 20 |
| AS31034 | Aruba S.p.A. | hosting | 295,936 | 11 |
| AS20746 | Telecom Italia S.p.A. | isp | 244,224 | 6 |
| AS29286 | SKYLOGIC S.P.A. | business | 231,424 | 13 |
| AS8217 | ENI S.p.A. | business | 196,608 | 0 |
| AS21309 | HERABIT S.p.A. | business | 193,792 | 1 |
| AS3313 | RETELIT-X S.R.L. | business | 192,512 | 1 |
| AS210218 | Open Fiber S.P.A. | isp | 145,920 | 2 |
| AS48135 | Leonardo S.p.A. | business | 138,496 | 0 |
| AS3242 | REEVO S.P.A. | hosting | 134,912 | 6 |
Largest cities by reference population
GeoNames reference data; this is not a count of located IP addresses.
- Rome · 2,318,895
- Milan · 1,371,498
- Naples · 909,048
- Turin · 847,287
- Palermo · 648,260
- Genoa · 580,097
- Bologna · 394,843
- Florence · 367,150
- Bari · 316,491
- Catania · 311,584
Hosting counts use ASN organization classifications. VPN counts include distinct exit prefixes with a source-provided country seen within seven days of this snapshot; zero means no known evidence, not absence. Country and city references: GeoNames (CC BY 4.0).