AS205660 OPB-DUS CGM IT Solutions & Services GmbH

OPB-DUS CGM IT Solutions & Services GmbH · registered in Germany

IPv4 addresses7682 prefixes · <0.001% of announced IPv4

Rank in Germany#1,501largest network in DE by IPv4 space, of 2,315 · <0.01% of DE

Rank worldwide#45,501of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountryGermany2,599 ASNs registered there

Open AS205660 in ASN lookup Look up an IP in this network (185.39.253.1) All networks in Germany

IPv4 prefixes

All 2 prefixes, in address order.

185.39.253.0/24
185.188.2.0/23

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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