AS25375 LEU-AS LeuPuls AG

LEU-AS LeuPuls AG · registered in Switzerland

IPv4 addresses14,8486 prefixes · <0.001% of announced IPv4

Rank in Switzerland#67largest network in CH by IPv4 space, of 741 · 0.10% of CH

Rank worldwide#7,357of 79,396 networks with IPv4

IPv616 x /32 (1,048,576 x /48)2 prefixes

CountrySwitzerland783 ASNs registered there

Open AS25375 in ASN lookup Look up an IP in this network (37.131.184.1) All networks in Switzerland

IPv4 prefixes

All 6 prefixes, in address order.

37.131.184.0/21
109.71.88.0/21
185.33.248.0/22
185.196.84.0/22
193.246.110.0/23
212.203.32.0/19

IPv6 prefixes

All 2 prefixes.

2a00:aac0::/29
2a0a:69c0::/29

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AS31424#68 IN4U-AS Netrics AG14,592

AS20648#69 TMN-SA TMN SA14,592

AS50837#70 CLOUDSIGMA-AS CLOUDSIGMA AG14,336

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