AS215044 OBT-AG OBT AG

OBT-AG OBT AG · registered in Switzerland

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

Rank in Switzerland#228largest network in CH by IPv4 space, of 741 · 0.01% of CH

Rank worldwide#21,416of 79,396 networks with IPv4

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

CountrySwitzerland783 ASNs registered there

Open AS215044 in ASN lookup Look up an IP in this network (45.157.48.1) All networks in Switzerland

IPv4 prefixes

All 2 prefixes, in address order.

45.157.48.0/22
185.156.8.0/22

IPv6 prefixes

All 1 prefix.

2a07:9840::/29

Similar-sized networks in Switzerland

ASNNameIPv4 addresses

AS49865#225 JTI JT International SA2,048

AS203434#226 OPEN-CIRCLE Open Circle AG2,048

AS210346#227 phoenix Phoenix Technologies AG2,048

AS201155#229 EMBEDD-AS embeDD GmbH2,048

AS12347#230 VIRTUALTEC Virtualtec Solutions AG2,048

AS57465#231 HiHo-Win exaSys AG2,048

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