Autonomous Systems are networks typically governed by large ISPs that participate in global Internet routing. Each network is assigned a unique identification number known as the AS number or ASN by the Internet Assigned Numbers Authority.

ASN	263315
Name	Masterweb Informatica - masterwebinfo.com.br
Country	Brazil
Registry	LACNIC

IPv4 addresses	0
IPv6 /64 networks	0
Prefixes	0