AS266140 CMC TELECOM LTDA

AS266140 - CMC TELECOM LTDA · registered in Brazil

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Brazil#3,221largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#31,921of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS266140 in ASN lookup Look up an IP in this network (45.6.164.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

45.6.164.0/22

IPv6 prefixes

All 1 prefix.

2804:3b4c::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS266136#3218 AS266136 - R.A INTERNET1,024

AS266138#3219 AS266138 - LUIZ C S DA SILVA JUNIOR ME1,024

AS266139#3220 AS266139 - ZENAIDE ALVES DE SOUZA OLIVEIRA E CIA LTDA - ME1,024

AS266141#3222 AS266141 - GIGABYTE TELECOM - REGINALDO TORRES NOGUEIRA ME1,024

AS266142#3223 AS266142 - Bahiadados Telecom Ltda.1,024

AS266145#3224 AS266145 - NOVA TECNOLOGIA1,024

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