AS205138 OpenSolutions Open Solutions Ltd.

OpenSolutions Open Solutions Ltd. · registered in Bulgaria

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Bulgaria#412largest network in BG by IPv4 space, of 669 · <0.01% of BG

Rank worldwide#60,747of 79,396 networks with IPv4

IPv65 x /482 prefixes

CountryBulgaria675 ASNs registered there

Open AS205138 in ASN lookup Look up an IP in this network (193.37.45.1) All networks in Bulgaria

IPv4 prefixes

All 1 prefix, in address order.

193.37.45.0/24

IPv6 prefixes

All 2 prefixes.

2a00:1728:38::/48
2a01:8740:10::/46

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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