AS12511 CH-POSTNETZ Die Schweizerische Post AG

CH-POSTNETZ Die Schweizerische Post AG · registered in Switzerland

IPv4 addresses165,8884 prefixes · 0.005% of announced IPv4

Rank in Switzerland#12largest network in CH by IPv4 space, of 741 · 1.12% of CH

Rank worldwide#1,227of 79,396 networks with IPv4

IPv63 x /32 (196,608 x /48)2 prefixes

CountrySwitzerland783 ASNs registered there

Open AS12511 in ASN lookup Look up an IP in this network (84.246.232.1) All networks in Switzerland

IPv4 prefixes

All 4 prefixes, in address order.

84.246.232.0/21
138.189.0.0/16
138.191.0.0/16
194.41.128.0/17

IPv6 prefixes

All 2 prefixes.

2a00:17c8::/31
2a00:17cf::/32

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AS21449#13 ETATGE Etat de Geneve135,168

AS33845#14 SWISSGOV Swiss Federation represented by FOITT135,168

AS15547#15 NETPLUS netplus.ch SA133,376

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