Autonomous System details
AS12874
Fastweb SPA — fastweb.it
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Summary
| Country |
 Italy
|
| Organization | Fastweb SPA |
| Domain | fastweb.it |
| Number of IPv4 | 3,862,528 |
| Number of IPv6 | 1.2677× 1030 |
| AS Type | ISP |
| Registry | RIPE NCC |
| Allocated | September 13, 2002 (about 23 years ago) |
| Updated | October 28, 2025 (about 10 days ago) |
IP Ranges
AS12874 announces 106 IPv4 ranges and 2 IPv6 ranges.
That's a total of 3,862,528 IPv4 addresses and 1.2677× 1030 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2.16.17.0/24 |
 Akamai Technologies
|
256 | RIPE NCC | ASSIGNED PA |
| 2.19.179.0/24 |
Akamai Technologies
|
256 | RIPE NCC | ASSIGNED PA |
| 2.224.0.0/13 |
Fastweb SPA
|
524,288 | RIPE NCC | ALLOCATED PA |
| 2.232.0.0/13 |
Pat/nat Ip Addresses Pop 3102 for
|
524,288 | RIPE NCC | ASSIGNED PA |
| 5.1.44.0/24 |
Viama S.R.L.
|
256 | RIPE NCC | ALLOCATED PA |
| 5.152.240.0/21 |
MEF
|
2,048 | RIPE NCC | ASSIGNED PA |
| 23.61.204.0/24 |
 Akamai Technologies, Inc.
|
256 | ARIN | ALLOCATION |
| 31.131.240.0/21 |
SOCIETA PER AZIONI ESERCIZI AEROPORTUALI SEA
|
2,048 | RIPE NCC | ASSIGNED PI |
| 37.99.240.0/24 |
IRP-ERMESLINK-1
|
256 | RIPE NCC | ASSIGNED PA |
| 37.153.135.0/24 |
Virtual Solution SRL
|
256 | RIPE NCC | ALLOCATED PA |
| 37.186.192.0/18 |
Optimo Next Public Subnet
|
16,384 | RIPE NCC | ASSIGNED PA |
| 45.82.228.0/22 |
CM-MILANO-NET
|
1,024 | RIPE NCC | ASSIGNED PA |
| 45.90.124.0/24 |
Fondazione Policlinico Universitario Campus Bio-medico
|
256 | RIPE NCC | ALLOCATED PA |
| 62.101.64.0/19 |
Fastweb SPA
|
8,192 | RIPE NCC | ALLOCATED PA |
| 62.101.96.0/19 |
Infrastructure for Fastweb's Main Location
|
8,192 | RIPE NCC | ASSIGNED PA |
| 62.101.124.0/22 |
Infrastructure for Fastweb's Main Location
|
1,024 | RIPE NCC | ASSIGNED PA |
| 62.177.0.0/20 |
Sir S.R.L. Soluzioni In Rete
|
4,096 | RIPE NCC | ASSIGNED PA |
| 62.182.103.0/24 |
rst-ermeslink1
|
256 | RIPE NCC | ASSIGNED PA |
| 64.126.250.0/24 |
 Cegedim.cloud SASU
|
256 | RIPE NCC | ALLOCATED PA |
| 78.110.176.0/24 |
LINKEM CUSTOMERS
|
256 | RIPE NCC | ASSIGNED PA |
| 78.110.177.0/24 |
LINKEM CUSTOMERS
|
256 | RIPE NCC | ASSIGNED PA |
| 80.67.66.0/24 |
Akamai Technologies
|
256 | RIPE NCC | ASSIGNED PA |
| 81.208.0.0/18 |
Infrastructure for Fastweb's Main Location
|
16,384 | RIPE NCC | ASSIGNED PA |
| 81.208.64.0/18 |
Dc-pop-0101-3 Public Subnet
|
16,384 | RIPE NCC | ASSIGNED PA |
| 83.103.0.0/18 |
Fastweb SPA
|
16,384 | RIPE NCC | ALLOCATED PA |
| 83.103.64.0/18 |
Pool for Cache Ott Infrastructure
|
16,384 | RIPE NCC | ASSIGNED PA |
| 84.53.184.0/24 |
Akamai Technologies
|
256 | RIPE NCC | ASSIGNED PA |
| 85.18.0.0/17 |
Infrastructure for Fastweb's Main Location
|
32,768 | RIPE NCC | ASSIGNED PA |
| 85.18.128.0/17 |
Moa Ip Address Pop 3602 for
|
32,768 | RIPE NCC | ASSIGNED PA |
| 85.118.144.0/23 |
MDS NET S.R.L.
|
512 | RIPE NCC | ASSIGNED PA |
| 89.39.200.0/24 |
Virtual Solution SRL
|
256 | RIPE NCC | ALLOCATED PA |
| 89.43.192.0/24 |
Virtual Solution SRL
|
256 | RIPE NCC | ALLOCATED PA |
| 89.96.0.0/16 |
Infrastructure for Fastweb's Main Location
|
65,536 | RIPE NCC | ASSIGNED PA |
| 89.97.0.0/16 |
Infrastructure for Fastweb's Main Location
|
65,536 | RIPE NCC | ASSIGNED PA |
| 91.225.244.0/22 |
Netvalue S.R.L.
|
1,024 | RIPE NCC | ASSIGNED PI |
| 92.223.128.0/17 |
Opera Mater Orphanorum Public Subnet
|
32,768 | RIPE NCC | ASSIGNED PA |
| 92.242.172.0/22 |
DEDAGROUP-CORPORATE-NET
|
1,024 | RIPE NCC | ASSIGNED PA |
| 93.32.0.0/15 |
Infrastructure for Fastwebs Main Location
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.33.0.0/16 |
Infrastructure for Fastweb Mvno Services
|
65,536 | RIPE NCC | ASSIGNED PA |
| 93.34.0.0/15 |
Fondazione Architetti Firenze Public Subnet
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.36.0.0/15 |
Fastweb SPA
|
131,072 | RIPE NCC | ALLOCATED PA |
| 93.37.0.0/17 |
Infrastructure for Fastwebs Main Location
|
32,768 | RIPE NCC | ASSIGNED PA |
| 93.37.128.0/17 |
Infrastructure for Fastwebs Main Location
|
32,768 | RIPE NCC | ASSIGNED PA |
| 93.38.0.0/15 |
Fastweb SPA
|
131,072 | RIPE NCC | ALLOCATED PA |
| 93.39.0.0/16 |
Infrastructure for Fastwebs Main Location
|
65,536 | RIPE NCC | ASSIGNED PA |
| 93.40.0.0/15 |
Vula Ip Addresses Pop 4109 for
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.40.128.0/18 |
Fastweb SPA
|
16,384 | RIPE NCC | ALLOCATED PA |
| 93.40.192.0/18 |
Infrastructure for Fastwebs Main Location
|
16,384 | RIPE NCC | ASSIGNED PA |
| 93.41.0.0/16 |
Infrastructure for Fastwebs Main Location
|
65,536 | RIPE NCC | ASSIGNED PA |
| 93.42.0.0/16 |
Fastweb SPA
|
65,536 | RIPE NCC | ALLOCATED PA |
| 93.43.0.0/16 |
Infrastructure for Fastwebs Main Location
|
65,536 | RIPE NCC | ASSIGNED PA |
| 93.44.0.0/15 |
Infrastructure for Fastweb's Mvno Services
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.46.0.0/15 |
Calzaturificio Vittorio Valsecchi & C. Di Valsecch Public Subnet
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.48.0.0/13 |
Fastweb SPA
|
524,288 | RIPE NCC | ALLOCATED PA |
| 93.56.0.0/14 |
Napoli Servizi Public Subnet
|
262,144 | RIPE NCC | ASSIGNED PA |
| 93.60.0.0/15 |
Infrastructure for Fastwebs Main Location
|
131,072 | RIPE NCC | ASSIGNED PA |
| 93.62.0.0/15 |
Infrastructure for Fastweb's Main Location
|
131,072 | RIPE NCC | ASSIGNED PA |
| 151.0.128.0/17 |
Giga Public Subnet
|
32,768 | RIPE NCC | ASSIGNED PA |
| 158.255.240.0/21 |
Netribe Infrastructure Address Space
|
2,048 | RIPE NCC | ASSIGNED PA |
| 176.122.196.0/23 |
Decathlon Italia S.R.L.
|
512 | RIPE NCC | ASSIGNED PI |
| 176.122.198.0/24 |
Decathlon Italia S.R.L.
|
256 | RIPE NCC | ASSIGNED PI |
| 185.7.112.0/22 |
Fastweb SPA
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.22.84.0/24 |
Public Cloud Assignment
|
256 | RIPE NCC | ASSIGNED PA |
| 185.22.85.0/24 |
Public Cloud Assignment Initweb
|
256 | RIPE NCC | ASSIGNED PA |
| 185.27.72.0/24 |
Flyber S.R.L.
|
256 | RIPE NCC | LIR-PARTITIONED PA |
| 185.27.73.0/24 |
FLYBER-002
|
256 | RIPE NCC | ASSIGNED PA |
| 185.36.72.0/22 |
Virtual Solution SRL
|
1,024 | RIPE NCC | ALLOCATED PA |
| 185.43.19.0/24 |
Wireless Network 4
|
256 | RIPE NCC | ASSIGNED PA |
| 185.69.188.0/22 |
Accor Hospitality Italia S.R.L.
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.87.68.0/22 |
FOWHE-NET1
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.135.114.0/23 |
SONICATEL S.R.L.
|
512 | RIPE NCC | ALLOCATED PA |
| 185.139.48.0/24 |
Management Network
|
256 | RIPE NCC | ASSIGNED PA |
| 185.139.49.0/24 |
management-client-A
|
256 | RIPE NCC | ASSIGNED PA |
| 185.145.102.0/24 |
MAXMARAFASHION-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 185.145.103.0/24 |
MAXMARAFASHION-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 185.146.134.0/24 |
IT-INFORMATICA95SERVIZI-3SUB
|
256 | RIPE NCC | ASSIGNED PA |
| 185.162.179.0/24 |
JOGCORP SAS
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 185.169.184.0/24 |
VARITT1
|
256 | RIPE NCC | ASSIGNED PA |
| 185.169.185.0/24 |
VARITT2
|
256 | RIPE NCC | ASSIGNED PA |
| 185.169.186.0/24 |
VARITT3
|
256 | RIPE NCC | ASSIGNED PA |
| 185.169.187.0/24 |
VARITT4
|
256 | RIPE NCC | ASSIGNED PA |
| 185.190.214.0/24 |
IT-MI-FLUENTIS-FASTWEB
|
256 | RIPE NCC | ASSIGNED PA |
| 185.190.215.0/24 |
IT-PN-FLUENTIS-FASTWEB
|
256 | RIPE NCC | ASSIGNED PA |
| 185.219.180.0/22 |
ARMACARABINIERI-NET
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.219.232.0/24 |
FERRERO-TS-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 185.219.232.0/22 |
FERRERO-TS-NET
|
1,024 | RIPE NCC | ASSIGNED PA |
| 185.219.234.0/24 |
FERRERO-TS-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 185.223.153.0/24 |
 Invermae Solutions Sl
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 188.215.94.0/24 |
Virtual Solution SRL
|
256 | RIPE NCC | ALLOCATED PA |
| 193.3.50.0/24 |
SACE-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 193.27.28.0/22 |
sistinf-net1
|
1,024 | RIPE NCC | ASSIGNED PA |
| 193.35.4.0/22 |
ermeslink1
|
1,024 | RIPE NCC | ASSIGNED PA |
| 193.42.234.0/24 |
IN.TE.S.A. S.P.A.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.42.238.0/24 |
IN.TE.S.A. S.P.A.
|
256 | RIPE NCC | ASSIGNED PI |
| 193.43.16.0/24 |
Istituto Nazionale Di Documentazione, Innovazione E Ricerca Educativa (indire)
|
256 | RIPE NCC | ASSIGNED PI |
| 193.43.17.0/24 |
Istituto Nazionale Di Documentazione, Innovazione E Ricerca Educativa (indire)
|
256 | RIPE NCC | ASSIGNED PI |
| 193.169.20.0/24 |
Virtual Solution SRL
|
256 | RIPE NCC | ASSIGNED PI |
| 193.193.0.0/19 |
Auratec S.R.L.
|
8,192 | RIPE NCC | ASSIGNED PA |
| 194.5.146.0/24 |
IPXO
|
256 | RIPE NCC | SUB-ALLOCATED PA |
| 194.59.208.0/22 |
ENGIE-NET
|
1,024 | RIPE NCC | ASSIGNED PA |
| 194.63.146.0/24 |
SACESPA-NET
|
256 | RIPE NCC | ASSIGNED PA |
| 194.99.35.0/24 |
Olivetti Investments S.R.L.
|
256 | RIPE NCC | ALLOCATED PA |
| 213.140.0.0/20 |
Infrastructure for Fastweb's Main Location
|
4,096 | RIPE NCC | ASSIGNED PA |
| 213.140.16.0/20 |
Fastweb SPA
|
4,096 | RIPE NCC | ALLOCATED PA |
| 213.156.32.0/20 |
Streaming And Gaming Public Subnet
|
4,096 | RIPE NCC | ASSIGNED PA |
| 213.156.48.0/20 |
Bpm Public Subnet
|
4,096 | RIPE NCC | ASSIGNED PA |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2001:b00::/29 |
Infrastructure for Fastweb's Main Location
|
6.3383× 1029 | RIPE NCC | ASSIGNED |
| 2a04:a580::/29 |
SINET SRL
|
6.3383× 1029 | RIPE NCC | ALLOCATED-BY-RIR |
Peers
AS12874 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.
AS680
AS1267
AS1764
AS2119
AS3216
AS3741
AS5392
AS6461
AS6667
AS6939
AS8218
AS8220
AS8426
AS8455
AS8660
AS9002
AS9009
AS9044
AS9121
AS12350
AS12637
AS12779
AS12969
AS13030
AS13237
AS14537
AS15605
AS15830
AS16347
AS20811
AS20912
AS21412
AS24961
AS25369
AS28917
AS29075
AS30844
AS32590
AS33891
AS34549
AS35280
AS37497
AS39120
AS39351
AS41327
AS42689
AS42708
AS47927
AS47957
AS49524
AS49544
AS49605
AS50673
AS50877
AS51185
AS52320
AS56655
AS56911
AS57111
AS60068
AS61049
AS132337
AS137409
AS199524
AS207841
AS213241
AS271253
AS398465
Upstreams
AS12874 connects to the global Internet via at least 4 upstream providers. In this setup, AS12874 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS12874 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS12874's role in extending Internet access beyond its own infrastructure.
AS3275
AS3573
AS6831
AS6836
AS8884
AS8978
AS12481
AS12650
AS13018
AS13253
AS13254
AS13284
AS15553
AS15584
AS15660
AS15831
AS15887
AS15981
AS16052
AS20942
AS20981
AS21006
AS21034
AS21086
AS21134
AS21176
AS21433
AS21451
AS21469
AS24717
AS24780
AS25156
AS25301
AS25350
AS25518
AS28675
AS29082
AS29312
AS31248
AS31467
AS33964
AS34613
AS34759
AS35066
AS35114
AS35359
AS35519
AS39019
AS39250
AS39719
AS41094
AS41100
AS41160
AS41169
AS41325
AS41651
AS41827
AS41836
AS41986
AS42176
AS42650
AS42764
AS42933
AS42985
AS43279
AS43731
AS43954
AS43976
AS43988
AS44512
AS44767
AS44831
AS44936
AS45041
AS47735
AS47875
AS48135
AS48382
AS48394
AS48423
AS49212
AS49265
AS49535
AS49733
AS49924
AS49976
AS50394
AS51065
AS51139
AS51502
AS51580
AS56320
AS56376
AS56754
AS56962
AS57039
AS57144
AS57300
AS57329
AS57343
AS57525
AS57558
AS59715
AS60460
AS60756
AS60814
AS62093
AS196784
AS196874
AS196880
AS196892
AS197845
AS197859
AS197891
AS197948
AS198017
AS198045
AS198319
AS198363
AS198387
AS198800
AS199342
AS199477
AS199509
AS199864
AS200073
AS200156
AS200409
AS200424
AS200583
AS200689
AS200761
AS200767
AS200786
AS200858
AS200901
AS201045
AS201095
AS201220
AS201474
AS201565
AS201919
AS202098
AS202132
AS202382
AS202460
AS202507
AS202617
AS202675
AS202803
AS203601
AS203612
AS203672
AS204180
AS204358
AS204379
AS204386
AS204622
AS204651
AS204958
AS205195
AS205716
AS205925
AS206588
AS206615
AS206655
AS206701
AS206821
AS206864
AS206988
AS206992
AS207022
AS207042
AS207157
AS207453
AS207594
AS207697
AS207715
AS207761
AS207799
AS208000
AS208354
AS208788
AS208808
AS208862
AS209071
AS209137
AS209246
AS209353
AS209402
AS209812
AS209887
AS210129
AS210159
AS210569
AS210875
AS211122
AS211312
AS211396
AS212659
AS212726
AS216019
AS216257