AS31221

Summary

Country	France
Organization	Nlighten France SAS
Domain	euclyde.com
Number of IPv4	7,168
Number of IPv6	7.9228× 1028
AS Type	Hosting
Registry	RIPE NCC
Allocated	April 07, 2005 (about 21 years ago)
Updated	October 30, 2025 (about 7 months ago)

IP Ranges

AS31221 announces 10 IPv4 ranges and 1 IPv6 range.

That's a total of 7,168 IPv4 addresses and 7.9228× 10²⁸ IPv6 addresses.

Prefix	Organization	Size	Registry	Status
5.252.57.0/24	Euclyde Dc5 Colocation	256	RIPE NCC	ASSIGNED PA
144.56.28.0/24	Private Customer	256	RIPE NCC	LEGACY
163.5.22.0/24	IONIS-163-5-22	256	RIPE NCC	ASSIGNED PA
163.5.246.0/24	Private Customer	256	RIPE NCC	SUB-ALLOCATED PA
185.43.36.0/22	EUC-Fibernet	1,024	RIPE NCC	ASSIGNED PA
193.135.126.0/24	PROXIDESK1	256	RIPE NCC	ASSIGNED PA
193.218.120.0/24	ICS SA	256	RIPE NCC	ALLOCATED-ASSIGNED PA
217.13.48.0/20	Euclyde Datacenter - Monitoring Systems	4,096	RIPE NCC	ASSIGNED PA
217.13.48.0/24	Euclyde Datacenter - Monitoring Systems	256	RIPE NCC	ASSIGNED PA
217.13.63.0/24	Datacenter Euclyde - Besançon Datacenter 1	256	RIPE NCC	ASSIGNED PA

Prefix	Organization	Size	Registry	Status
2a02:6f0::/32	Nlighten France SAS	7.9228× 1028	RIPE NCC	ALLOCATED-BY-RIR

Peers

AS31221 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

AS31221 connects to the global Internet via at least 3 upstream providers. In this setup, AS31221 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.

Downstreams

AS31221 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS31221's role in extending Internet access beyond its own infrastructure.