AS263956 ProntoTelecom Internet

AS263956 - ProntoTelecom Internet · registered in Brazil

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

Rank in Brazil#2,535largest network in BR by IPv4 space, of 7,969 · <0.01% of BR

Rank worldwide#31,166of 79,396 networks with IPv4

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

CountryBrazil8,771 ASNs registered there

Open AS263956 in ASN lookup Look up an IP in this network (138.255.40.1) All networks in Brazil

IPv4 prefixes

All 1 prefix, in address order.

138.255.40.0/22

IPv6 prefixes

All 1 prefix.

2804:2854::/32

Similar-sized networks in Brazil

ASNNameIPv4 addresses

AS263947#2532 AS263947 - VirtualSpace Telecom1,024

AS263950#2533 AS263950 - TVANET TELECOM LTDA1,024

AS263952#2534 AS263952 - CONNECT TELECOM1,024

AS263960#2536 AS263960 - speed telecom1,024

AS263961#2537 AS263961 - M. ANTONIO OLIVEIRA LIMA1,024

AS263962#2538 AS263962 - Global Informatica LTDA-ME1,024

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