AS266400 Ferenz Networks

AS266400 - Ferenz Networks · registered in Brazil

IPv4 addresses5,37611 prefixes · <0.001% of announced IPv4

Rank in Brazil#566largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#13,053of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)11 prefixes

CountryBrazil8,771 ASNs registered there

Open AS266400 in ASN lookup Look up an IP in this network (31.57.174.1) All networks in Brazil

IPv4 prefixes

All 11 prefixes, in address order.

31.57.174.0/23
45.224.128.0/22
74.1.74.0/23
74.1.84.0/23
96.43.96.0/24
102.165.25.0/24
170.81.40.0/22
181.214.128.0/23
181.214.230.0/24
181.215.211.0/24
181.215.215.0/24

IPv6 prefixes

All 11 prefixes.

2804:3744::/34
2804:3744:4000::/40
2804:3744:4100::/40
2804:3744:4200::/39
2804:3744:4400::/38
2804:3744:4800::/39
2804:3744:4a00::/39
2804:3744:4c00::/38
2804:3744:5000::/36
2804:3744:6000::/35
2804:3744:8000::/33

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS28670#563 AS28670 - CST-REDEL SERVICOS DE TELECOMUNICACOES LTDA.5,376

AS262342#564 AS262342 - WZNET TELECOM LTDA5,376

AS264255#565 AS264255 - INTERFIBRAS TELECOMUNICACOES LTDA5,376

AS15256#567 AS15256 - Itau Unibanco S.A.5,376

AS269194#568 AS269194 - ST1 INTERNET5,120

AS28128#569 AS28128 - Infolic Comercial de Informatica Ltda.5,120

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