AS12874 FASTWEB Fastweb SpA
🇮🇹Org handle: ORG-FA7-RIPE
RIPE NCCallocated
Announced Prefixes (BGP)
128total
110 IPv418 IPv6
IPv4 Addresses
Allocated (RIR)346,880
Announced (BGP)7.4M
IPv6 Addresses
Allocated (RIR)7.1×10²⁹
Announced (BGP)7.9×10²⁹
Prefix Limit (IPv4)
500
Prefix Limit (IPv6)
100
Country
🇮🇹 ITRIR
RIPE NCCStatus
allocated
Allocated
1999-12-17
Routing hygiene
Score 11/100 · Low riskRPKI ROA coverage
76.6%
no RPKI invalid prefixes
IRR route objects
99.2%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
5
diversity 62/100
- 23% of announced prefixes (30 of 128) have no valid ROA
Based on 128 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained
Listed on the threat map (2026-10-23)
Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.
Announced Prefixes
(BGP)128|
Prefix | RPKI | IRR | Last Seen |
|---|---|---|---|
| Valid | RIPE | 2026-10-27 | |
| Valid | RIPE | 2026-10-27 | |
| Valid | RIPE | 2026-10-27 | |
| Valid | RIPE | 2026-10-27 | |
| No ROA | RIPE | 2026-10-27 | |
| No ROA | - | 2026-10-27 | |
| Valid | ARIN | 2026-10-27 | |
| No ROA | RIPE | 2026-10-27 | |
| Valid | RIPE | 2026-10-27 | |
| Valid | RIPE | 2026-10-27 |
1-10 of 128
1 / 13
Allocated Prefixes
(RIR)49Prefix | Country | RIR | Status |
|---|---|---|---|
| 5.1.44.0/24 | 🇮🇹 IT | RIPENCC | allocated |
| 5.152.240.0/21 | 🇮🇹 IT | RIPENCC | allocated |
| 31.131.240.0/21 | 🇮🇹 IT | RIPENCC | assigned |
| 37.99.240.0/24 | 🇮🇹 IT | RIPE | assigned |
| 37.153.135.0/24 | 🇮🇹 IT | RIPENCC | allocated |
| 37.186.192.0/18 | 🇮🇹 IT | RIPENCC | allocated |
| 45.82.228.0/22 | 🇮🇹 IT | RIPENCC | allocated |
| 62.177.0.0/20 | 🇮🇹 IT | RIPENCC | allocated |
| 62.182.103.0/24 | 🇮🇹 IT | RIPENCC | allocated |
| 83.103.0.0/17 | 🇮🇹 IT | RIPENCC | allocated |
1-10 of 49
1 / 5
All 128 announced prefixes of AS12874 →
Downstream Customers(15)
| ASN | Name |
|---|---|
| AS15584 | 🇮🇹SIAG Informatica Alto Adige Spa |
| AS21034 | 🇮🇹MICSO-SRL-AS Micso Information Technology Srl |
| AS25156 | 🇮🇹INRETE-AS Inrete s.r.l |
| AS39719 | 🇮🇹LIGURIADIGITALE_AS Liguria Digitale S.p.A. |
| AS56376 | 🇮🇹ALIDA-SRL ALIDA SRL |
| AS57525 | 🇮🇹ASGNV GRANDI NAVI VELOCI SPA |
| AS59715 | 🇮🇹SBTAP-AS Comune di San Benedetto del Tronto |
| AS196874 | 🇸🇲TELENET-RSM Telenet S.r.l. |
| AS200409 | 🇮🇹Tecnodata Tecnodata Trentina Srl |
| AS202088 | 🇨🇭VoIP-IC-AS Swisscom (Schweiz) AG |
| AS204180 | 🇮🇹as_innet INNET SRL |
| AS206867 | 🇮🇹EASY_FIBRA_SRL EASY FIBRA SRL |
| AS206947 | 🇮🇹WIFIMULTIMEDIA Cosimo Vitale trading as WIFI MULTIMEDIA |
| AS209137 | 🇮🇹Springo Springo Srl |
| AS210452 | 🇮🇹FINIT-AS FININT TECHNOLOGY S.R.L. |
BGP Neighbours
(seen in AS paths)Upstreams (5)
Networks AS12874 hands its own prefixes to: transit providers, or peers at an exchange.
Downstreams (100 of 184)
Networks whose own prefixes AS12874 passes on: usually its customers.
- AS44831INSIEL Informatica Per Il Sistema Degli Enti Locali S.P.A43
- AS197075ACTIVENETWORK Active Network S.P.A35
- AS25518ZUCCHETTI Spa23
- AS21433AccentureFSSC Accenture UK Limited19
- AS29312COMUNEMILANO Comune Di Milano15
- AS200409Tecnodata Trentina15
- AS41160ORIGINENET Amt Services13
- AS48135ITMSC Leonardo S.P.A13
- AS49535EMIND E Mind12
- AS201565ETRURIAWIFI ETRURIA WI FI S.R.L12
- AS60460ASN AZIENDEITALIA Aziende Italia S.R.L11
- AS3573Accenture LLP10
- AS21034MICSO Information Technology10
- AS202675KELIWEB S.R.L10
- AS206655WIGO WI GO10
- AS207594CONNECTIVIA S.R.L10
- AS15584SIAG Informatica Alto Adige Spa9
- AS25301WINDNET Sr Net S.R.L9
- AS198319REGIONE LOMBARDIA ARIA S.P.A9
- AS198800PKLOSS Packet Loss S.R.L9
- AS15887INFOGROUP ENGINEERING INGEGNERIA INFORMATICA SPA8
- AS20942ISP ASn2 Intesa Sanpaolo S.P.A8
- AS33964SOGEI ASN Sogei Societa' Generale D' Informatica S.P.A8
- AS60087ASSUPERNOVA Netsons S.R.L8
- AS13253ISP ASn4 Intesa Sanpaolo S.P.A7
- AS43976POSTEITALIANE Poste Italiane S.P.A7
- AS48382MICRODATASERVICE Microdata Group7
- AS56754FoxtelAS Foxtel7
- AS57144ICCREA BCC SISTEMI INFORMATICI S.P.A7
- AS197859ESINET E.S.I. S.N.C Di Teofili Elisabetta E C7
- AS200583InfoCert TINEXTA INFOCERT S.P.A7
- AS49265Csgalileo Cooperativa Sociale Galileo A.R.L6
- AS56962RHS S.R.L6
- AS200424CODEMA Alessandro Coratelli Trading CODEMA6
- AS211396ASDATANET TANZARELLA DANIELE Trading DA.TA. NET6
- AS41827VIPNET Vipnet.It S.R.L5
- AS42764ORG AS304 RIPE Arpitel S.R.L5
- AS43279TELESPAZIO S.P.A5
- AS44512KONVERTO SPA5
- AS44936ASN DATAMANAGEMENT MI Data Management S.R.L5
- AS56376ALIDA5
- AS57525ASGNV GRANDI NAVI VELOCI SPA5
- AS196749BBANDA S.R.L5
- AS196784REALEMUTUA Reale Mutua Di Assicurazioni5
- AS200901WNT Perolini Sebastiano5
- AS201474ASN AIRCOMSERVICE Aircom Service5
- AS204180Innet5
- AS204358OPENDOTCOM OPEN Dot Com S.P.A5
- AS206135NETHIVE SpA5
- AS206588ItaliaNetCom CIRILLO MATTEO Trading ITALIA NET COM5
- AS206992SICILIANET Salvatore Intravaia5
- AS207042Siav S P A Siav S.P.A5
- AS207697IMMOBILIARE IT Immobiliare.It S.P.A5
- AS209137Springo5
- AS8884CRIF S.P.A4
- AS13018Banca Monte Dei Paschi Di Siena S.P.A4
- AS15553CERVED GROUP S.P.A4
- AS21469CREDEM Credito Emiliano S.P.A4
- AS47875PROVINCIA DI PADOVA Provincia Di Padova4
- AS49924Netfree S.R.L.S4
- AS59715SBTAP Comune Di San Benedetto Del Tronto4
- AS201919BONPRIX S.R.L4
- AS202098ENELENERGIA IT ENEL S.P.A4
- AS202132SYSMAN Progetti & Servizi4
- AS202507IENTU BARBIERI PASQUALE & C. Trading GROUPMEDIA SAS4
- AS202803MVA AS202803 MVA S.R.L4
- AS203612Idsunitelm IDS & UNITELM4
- AS206701FibraCity Power & Telco4
- AS207761CRONOADSL SRLs4
- AS208354ALFACOM Alfa.Bit.Omega S.R.L4
- AS209887BIESSE S.P.A4
- AS212726GoNet GO@NET SOCIETA' A RESPONSABILITA' LIMITATA SEMPLIFICATA4
- AS13254MONDADORI ARNOLDO MONDADORI EDITORE SPA3
- AS13284BRT Playnet S.R.L3
- AS21134ASN DATAMANAGEMENT RM Data Management S.R.L3
- AS48394Venis S.P.A3
- AS57558METIS S.R.L3
- AS196966DIGIBYTE DIGINETICA S.R.L3
- AS198387UNIPLAN Software S.R.L3
- AS200689TELEIMPIANTI3
- AS210129Atomonet Atomo Networks3
- AS210159VERITAS V.E.R.I.T.A.S SPA3
- AS212659Artemismediasrl Infinita3
- AS5397INROMA CINECA CONSORZIO INTERUNIVERSITARIO2
- AS6836LASTAMPA GEDI News Network S.P.A2
- AS8978ASN HOLYSEE Holy See Vatican City State2
- AS12650Ilsole24ore Il Sole 24 Ore SpA2
- AS15831ASN NETVALLEY Communication Valley Reply S.R.L2
- AS21176ASN DEBIS Engineering D.HUB S.P.A2
- AS25156INRETE S.R.L2
- AS39019DALMINE SPA DALMINE S.P.A2
- AS43731BARCLAYS ITALY NET Barclays Bank PLC2
- AS43988Asagid Agenzia Per L'Italia Digitale2
- AS45041ASHINET Hi Net2
- AS56320VIKING2
- AS57329CDP SPA Centro Di Produzione Spa2
- AS62093CICORELLA2
- AS196874TELENET RSM Telenet S.R.L2
- AS196880LEONARDO CSDCC Leonardo S.P.A2
- AS197845CEGEKASERVICES Cegeka S.P.A2
Other adjacent networks (7)
Adjacent to AS12874 in the transit part of AS paths: peers, providers or customers.
Abuse Contact
+31205354444
External Links
Learn more
- What is an ASN?Autonomous systems, ASN ranges and how they are assigned
- RPKI and route origin validationWhat the RPKI badges on the prefix list mean
- How to run an ASPA checkVerify the upstream providers listed above
- IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
- ASN data in AI agents and SIEMMCP server and API integrations
API
Open https://api.ipctl.io/v1/asn/12874Returns ASN details, announced prefixes, and BGP routing data.
curl -s "https://api.ipctl.io/v1/asn/12874" | jq