AS39311 CS-CRI Mainstream doo Beograd

CS-CRI Mainstream doo Beograd · registered in Serbia

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Serbia#131largest network in RS by IPv4 space, of 159 · 0.01% of RS

Rank worldwide#66,138of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySerbia161 ASNs registered there

Open AS39311 in ASN lookup Look up an IP in this network (87.237.200.1) All networks in Serbia

IPv4 prefixes

All 1 prefix, in address order.

87.237.200.0/24

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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