AS204631 VIVANET-AS VIVANET GmbH

VIVANET-AS VIVANET GmbH · registered in Switzerland

IPv4 addresses2,8166 prefixes · <0.001% of announced IPv4

Rank in Switzerland#197largest network in CH by IPv4 space, of 741 · 0.02% of CH

Rank worldwide#19,546of 79,396 networks with IPv4

IPv6noneno IPv6 routes announced

CountrySwitzerland783 ASNs registered there

Open AS204631 in ASN lookup Look up an IP in this network (185.136.120.1) All networks in Switzerland

IPv4 prefixes

All 6 prefixes, in address order.

185.136.120.0/22
193.27.218.0/23
199.47.148.0/23
199.47.150.0/24
199.59.145.0/24
199.59.147.0/24

Similar-sized networks in Switzerland

ASNNameIPv4 addresses

AS58057#194 SECUREBIT Securebit AG2,816

AS200759#195 FLOW Flow Swiss AG2,816

AS44346#196 SQ-BACKBONE SWISSQUOTE BANK SA2,816

AS25164#198 Flughafen-Zuerich Flughafen Zurich AG2,560

AS34146#199 ISP-SOLUTIONS-AS ISP Solutions SA2,560

AS49489#200 CLEARMEDIA-AS ClearMedia AG2,560

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