AS28605

Summary

Country	Brazil
Organization	Defferrari Informatica Ltda.
Domain	dsi.net.br
Number of IPv4	5,120
Number of IPv6	7.9847× 1028
AS Type	ISP
Registry	LACNIC
Allocated	July 26, 2005 (about 20 years ago)
Updated	March 06, 2013 (about 12 years ago)

IP Ranges

AS28605 announces 5 IPv4 ranges and 3 IPv6 ranges.

That's a total of 5,120 IPv4 addresses and 7.9847× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
179.127.112.0/22	Defferrari Informatica Ltda.	1,024	LACNIC	ALLOCATED
201.20.144.0/22	Defferrari Informatica Ltda.	1,024	LACNIC	ALLOCATED
201.20.148.0/22	Defferrari Informatica Ltda.	1,024	LACNIC	ALLOCATED
201.20.152.0/22	Defferrari Informatica Ltda.	1,024	LACNIC	ALLOCATED
201.20.156.0/22	Defferrari Informatica Ltda.	1,024	LACNIC	ALLOCATED

Prefix	Organization	Size	Registry	Status
2804:3c0::/32	Defferrari Informatica Ltda.	7.9228× 1028	LACNIC	ALLOCATED
2804:3c0:100::/40	Defferrari Informatica Ltda.	3.0949× 1026	LACNIC	ALLOCATED
2804:3c0:1000::/40	Defferrari Informatica Ltda.	3.0949× 1026	LACNIC	ALLOCATED

Peers

AS28605 actively fosters the following peering relationships that enhance network performance through direct, settlement-free traffic exchange. Even with a modest number of peers, each connection serves as a strategic asset—optimizing routing, reducing latency, and minimizing transit costs.

Upstreams

AS28605 connects to the global Internet via at least 5 upstream providers. In this setup, AS28605 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS28605 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS28605's role in extending Internet access beyond its own infrastructure.