AS203434 OPEN-CIRCLE Open Circle AG

OPEN-CIRCLE Open Circle AG · registered in Switzerland

IPv4 addresses2,0482 prefixes · <0.001% of announced IPv4

Rank in Switzerland#226largest network in CH by IPv4 space, of 741 · 0.01% of CH

Rank worldwide#21,377of 79,396 networks with IPv4

IPv68 x /32 (524,288 x /48)1 prefixes

CountrySwitzerland783 ASNs registered there

Open AS203434 in ASN lookup Look up an IP in this network (45.66.232.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

45.66.232.0/22
185.134.164.0/22

IPv6 prefixes

All 1 prefix.

2a00:b0a0::/29

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ASNNameIPv4 addresses

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AS210346#227 phoenix Phoenix Technologies AG2,048

AS215044#228 OBT-AG OBT AG2,048

AS201155#229 EMBEDD-AS embeDD GmbH2,048

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