AS19611 Associacao Antonio Vieira - Unisinos

AS19611 - Associacao Antonio Vieira - Unisinos · registered in Brazil

IPv4 addresses69,63217 prefixes · 0.002% of announced IPv4

Rank in Brazil#47largest network in BR by IPv4 space, of 7,969 · 0.09% of BR

Rank worldwide#2,449of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)1 prefixes

CountryBrazil8,771 ASNs registered there

Open AS19611 in ASN lookup Look up an IP in this network (191.4.0.1) All networks in Brazil

IPv4 prefixes

All 17 prefixes, in address order.

191.4.0.0/17
191.4.128.0/21
191.4.136.0/24
191.4.137.0/24
191.4.138.0/23
191.4.140.0/22
191.4.144.0/20
191.4.160.0/19
191.4.192.0/21
191.4.200.0/21
191.4.208.0/20
191.4.224.0/19
200.188.160.0/21
200.188.168.0/22
200.188.172.0/24
200.188.173.0/24
200.188.174.0/23

IPv6 prefixes

All 1 prefix.

2804:1f02::/32

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AS28186#46 AS28186 - ITS TELECOMUNICACOES LTDA69,632

AS28198#48 AS28198 - SEMPRE TELECOMUNICACOES LTDA68,608

AS28201#49 AS28201 - Companhia Itabirana Telecomunicacoes Ltda68,608

AS11993#50 AS11993 - BANCO DO BRASIL S.A.68,352

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