AS203428 IT4U-AS IT4U Sweden AB

IT4U-AS IT4U Sweden AB · registered in Sweden

IPv4 addresses1,5362 prefixes · <0.001% of announced IPv4

Rank in Sweden#267largest network in SE by IPv4 space, of 621 · <0.01% of SE

Rank worldwide#27,216of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySweden650 ASNs registered there

Open AS203428 in ASN lookup Look up an IP in this network (81.8.150.1) All networks in Sweden

IPv4 prefixes

All 2 prefixes, in address order.

81.8.150.0/23
81.8.152.0/22

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AS209236#269 HCLtechnologies-SE HCL Technologies Sweden AB1,536

AS209840#270 YMER-AS YMER Managed Services AB1,536

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