AS34373 XXLnet XXLnet B.V.

XXLnet XXLnet B.V. · registered in the Netherlands

IPv4 addresses16,38419 prefixes · <0.001% of announced IPv4

Rank in Netherlands#106largest network in NL by IPv4 space, of 1,026 · 0.04% of NL

Rank worldwide#6,863of 79,396 networks with IPv4

IPv632 x /32 (2,097,152 x /48)4 prefixes

CountryNetherlands1,098 ASNs registered there

Open AS34373 in ASN lookup Look up an IP in this network (37.143.36.1) All networks in Netherlands

IPv4 prefixes

All 19 prefixes, in address order.

37.143.36.0/23
45.128.64.0/22
45.132.40.0/22
77.74.124.0/22
86.48.69.0/24
87.239.15.0/24
91.219.76.0/22
185.56.52.0/22
185.63.56.0/22
185.69.204.0/22
185.82.152.0/23
185.96.44.0/22
185.97.228.0/22
185.116.40.0/22
185.165.68.0/22
185.210.128.0/22
193.105.233.0/24
195.253.200.0/21
217.61.253.0/24

IPv6 prefixes

All 4 prefixes.

2a00:4140::/29
2a06:900::/29
2a06:7bc0::/29
2a0b:ec00::/29

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AS50522#109 SEWAN-NL Sewan Nederland B.V.16,384

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