AS25231

Summary

Country	Russian Federation
Organization	State Budget Enterprise of Novosibirsk Region Novosibirsk Region Center of Information Technologies
Domain	nso.ru
Number of IPv4	2,048
Number of IPv6	6.3383× 1029
AS Type	Business
Registry	RIPE NCC
Allocated	June 24, 2015 (about 10 years ago)
Updated	February 01, 2024 (about 1 year ago)

IP Ranges

AS25231 announces 5 IPv4 ranges and 1 IPv6 range.

That's a total of 2,048 IPv4 addresses and 6.3383× 10²⁹ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
185.138.129.0/24	CIT-NSO-ACCESS-1	256	RIPE NCC	ASSIGNED PA
185.138.130.0/24	CIT-NSO-ACCESS-2	256	RIPE NCC	ASSIGNED PA
185.138.131.0/24	CIT-NSO-ACCESS-3	256	RIPE NCC	ASSIGNED PA
185.180.212.0/22	CIT-NSO-2019-1	1,024	RIPE NCC	ASSIGNED PA
195.208.191.0/24	State Budget Enterprise of Novosibirsk Region Novosibirsk Region Center of Information Technologies	256	RIPE NCC	ASSIGNED PA

Prefix	Organization	Size	Registry	Status
2a07:dc0::/29	CIT-NSO-IPV6-ACCESS	6.3383× 1029	RIPE NCC	AGGREGATED-BY-LIR

Peers

AS25231 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

AS25231 connects to the global Internet via at least 3 upstream providers. In this setup, AS25231 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS25231 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS25231's role in extending Internet access beyond its own infrastructure.