AS203323 OPENSENT OpenSent B.V.

OPENSENT OpenSent B.V. · registered in the Netherlands

IPv4 addresses2561 prefixes · <0.001% of announced IPv4

Rank in Netherlands#809largest network in NL by IPv4 space, of 1,026 · <0.01% of NL

Rank worldwide#59,988of 79,396 networks with IPv4

IPv64,096 x /481 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS203323 in ASN lookup Look up an IP in this network (2.58.58.1) All networks in Netherlands

IPv4 prefixes

All 1 prefix, in address order.

2.58.58.0/24

IPv6 prefixes

All 1 prefix.

2a09:e244:b000::/36

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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