AS43523 DESIGN-AS A.T.S. INTERNATIONAL s.r.o

DESIGN-AS A.T.S. INTERNATIONAL s.r.o · registered in Czechia

IPv4 addresses1,0241 prefixes · <0.001% of announced IPv4

Rank in Czechia#385largest network in CZ by IPv4 space, of 570 · 0.01% of CZ

Rank worldwide#37,540of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryCzechia599 ASNs registered there

Open AS43523 in ASN lookup Look up an IP in this network (91.197.112.1) All networks in Czechia

IPv4 prefixes

All 1 prefix, in address order.

91.197.112.0/22

Similar-sized networks in Czechia

ASNNameIPv4 addresses

AS8646#382 cloudinfrastack cloudinfrastack, s.r.o.1,024

AS34475#383 Agrostroj Agrostroj Pelhrimov, a.s.1,024

AS39455#384 Tlapnet-SK-AS Jiri Tlapak1,024

AS47681#386 RIOMEDIA O2 Czech Republic, a.s.1,024

AS48889#387 GLOBECORP-AS-CZ GLOBECORP a.s.1,024

AS50980#388 net3 cloudinfrastack, s.r.o.1,024

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