AS61990 VAISALA Vaisala Oyj

VAISALA Vaisala Oyj · registered in Finland

IPv4 addresses5122 prefixes · <0.001% of announced IPv4

Rank in Finland#223largest network in FI by IPv4 space, of 280 · <0.01% of FI

Rank worldwide#48,442of 79,396 networks with IPv4

IPv61 x /481 prefixes

CountryFinland292 ASNs registered there

Open AS61990 in ASN lookup Look up an IP in this network (192.81.123.1) All networks in Finland

IPv4 prefixes

All 2 prefixes, in address order.

192.81.123.0/24
193.143.230.0/24

IPv6 prefixes

All 1 prefix.

2001:67c:408::/48

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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