AS266224 ULTRA TELECOMUNICACOES LTDA

AS266224 - ULTRA TELECOMUNICACOES LTDA · registered in Brazil

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Brazil#1,756largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#22,199of 79,396 networks with IPv4

IPv61 x /32 (65,536 x /48)3 prefixes

CountryBrazil8,771 ASNs registered there

Open AS266224 in ASN lookup Look up an IP in this network (138.122.204.1) All networks in Brazil

IPv4 prefixes

All 2 prefixes, in address order.

138.122.204.0/22
200.9.16.0/22

IPv6 prefixes

All 3 prefixes.

2804:3c9c::/34
2804:3c9c:4000::/34
2804:3c9c:8000::/33

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS266188#1753 AS266188 - HM TELECOM LTDA2,048

AS266196#1754 AS266196 - BRASCOM SOLUCOES E TECNOLOGIA LTDA ME2,048

AS266201#1755 AS266201 - VERO S.A2,048

AS266228#1757 AS266228 - ONCABO LTDA2,048

AS266284#1758 AS266284 - NORTE-TEL TELECOMUNICACOES LTDA2,048

AS266299#1759 AS266299 - MARCOS SINDOR RIBEIRAO BRANCO EIRELI - ME2,048

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