AS198951 BLS-AG BLS AG

BLS-AG BLS AG · registered in Switzerland

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Switzerland#276largest network in CH by IPv4 space, of 741 · 0.01% of CH

Rank worldwide#26,354of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountrySwitzerland783 ASNs registered there

Open AS198951 in ASN lookup Look up an IP in this network (194.56.174.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

194.56.174.0/23
194.56.176.0/22

IPv6 prefixes

All 1 prefix.

2001:678:518::/48

Similar-sized networks in Switzerland

ASNNameIPv4 addresses

AS211894#273 ungleich-place18 ungleich GmbH1,536

AS201228#274 anapaya Anapaya Systems AG1,536

AS41294#275 ZUGERKB Zuger Kantonalbank1,536

AS4410#277 CreditSuisseGroup-AS - Credit Suisse Group1,536

AS21254#278 CTM-ASN CITCO TECHNOLOGY MANAGEMENT (SWITZERLAND) SA1,536

AS25090#279 ALPIQ-AS25090 Alpiq AG1,536

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