AS20811 BRENNERCOM-AS Retelit Digital Services S.p.A.

BRENNERCOM-AS Retelit Digital Services S.p.A. · registered in Italy

IPv4 addresses68,09615 prefixes · 0.002% of announced IPv4

Rank in Italy#39largest network in IT by IPv4 space, of 1,081 · 0.13% of IT

Rank worldwide#2,514of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)2 prefixes

CountryItaly1,121 ASNs registered there

Open AS20811 in ASN lookup Look up an IP in this network (37.186.128.1) All networks in Italy

IPv4 prefixes

All 15 prefixes, in address order.

37.186.128.0/18
46.234.224.0/19
77.74.112.0/21
84.18.128.0/20
84.18.144.0/22
84.18.148.0/22
84.18.152.0/21
89.190.160.0/19
93.89.48.0/20
95.171.32.0/19
109.69.248.0/21
147.189.208.0/23
185.6.192.0/22
185.111.144.0/22
217.199.0.0/19

IPv6 prefixes

All 2 prefixes.

2a02:490::/29
2a02:54c0::/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