AS51569 FIBERING Fiberwide S.p.a.

FIBERING Fiberwide S.p.a. · registered in Italy

IPv4 addresses17,40813 prefixes · <0.001% of announced IPv4

Rank in Italy#93largest network in IT by IPv4 space, of 1,081 · 0.03% of IT

Rank worldwide#6,617of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountryItaly1,121 ASNs registered there

Open AS51569 in ASN lookup Look up an IP in this network (45.132.208.1) All networks in Italy

IPv4 prefixes

All 13 prefixes, in address order.

45.132.208.0/22
46.20.80.0/20
83.139.202.0/23
83.139.212.0/22
83.139.216.0/22
83.139.220.0/23
83.139.224.0/20
83.139.242.0/23
83.139.244.0/23
85.31.160.0/21
185.95.136.0/22
185.159.52.0/23
185.159.54.0/23

IPv6 prefixes

All 1 prefix.

2a05:b580::/29

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IP-to-ASN data: iptoasn.com (public domain). Snapshot downloaded 2026-11-11, refreshed daily. Ranges are what each network announces in BGP, not registry allocations. Data sources