AS200107 KL-EXT Kaspersky Lab Switzerland GmbH

KL-EXT Kaspersky Lab Switzerland GmbH · registered in Switzerland

IPv4 addresses10,24020 prefixes · <0.001% of announced IPv4

Rank in Switzerland#85largest network in CH by IPv4 space, of 741 · 0.07% of CH

Rank worldwide#8,979of 79,396 networks with IPv4

IPv628 x /4816 prefixes

CountrySwitzerland783 ASNs registered there

Open AS200107 in ASN lookup Look up an IP in this network (37.203.128.1) All networks in Switzerland

IPv4 prefixes

All 20 prefixes, in address order.

37.203.128.0/23
77.74.176.0/23
77.74.178.0/24
77.74.179.0/24
77.74.180.0/22
79.133.168.0/22
80.173.148.0/23
82.202.184.0/23
91.198.230.0/24
93.159.227.0/24
93.159.228.0/24
93.159.229.0/24
93.159.230.0/23
185.54.220.0/22
185.85.12.0/24
185.85.14.0/23
185.201.0.0/22
193.238.132.0/23
195.64.114.0/24
195.128.246.0/23

IPv6 prefixes

All 16 prefixes.

2a03:2480:68::/47
2a03:2480:70::/48
2a03:2480:80::/48
2a03:2480:8000::/48
2a03:2480:8010::/48
2a03:2480:8012::/47
2a03:2480:8020::/47
2a03:2480:8022::/48
2a03:2480:8026::/47
2a03:2480:8028::/46
2a03:2480:802d::/48
2a03:2480:802e::/47
2a03:2480:8030::/48
2a03:2480:8032::/47
2a03:2480:8034::/46
2a03:2480:8103::/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