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AS31004
AS31004 SBB-CFF-FFS Schweizerische Bundesbahnen SBB
SBB-CFF-FFS Schweizerische Bundesbahnen SBB · registered in Switzerland
IPv4 addresses 2,048 4 prefixes · <0.001% of announced IPv4
Rank in Switzerland #235 largest network in CH by IPv4 space, of 741 · 0.01% of CH
Rank worldwide #22,393 of 79,396 networks with IPv4
IPv6 64,444 x /48 46 prefixes
IPv4 prefixes
All 4 prefixes, in address order.
91.230.140.0/23 193.203.120.0/23 194.116.210.0/23 194.150.244.0/23
IPv6 prefixes
All 46 prefixes.
2a00:4bc0::/38 2a00:4bc0:400::/39 2a00:4bc0:700::/40 2a00:4bc0:800::/37 2a00:4bc0:1000::/36 2a00:4bc0:2000::/40 2a00:4bc0:2101::/48 2a00:4bc0:2109::/48 2a00:4bc0:210d::/48 2a00:4bc0:210e::/47 2a00:4bc0:2110::/48 2a00:4bc0:2114::/47 2a00:4bc0:2116::/48 2a00:4bc0:211a::/48 2a00:4bc0:2121::/48 2a00:4bc0:2129::/48 2a00:4bc0:212f::/48 2a00:4bc0:2138::/48 2a00:4bc0:213b::/48 2a00:4bc0:213e::/47 2a00:4bc0:2140::/48 2a00:4bc0:2148::/48 2a00:4bc0:214b::/48 2a00:4bc0:2150::/48 2a00:4bc0:2152::/47 2a00:4bc0:2154::/47 2a00:4bc0:2157::/48 2a00:4bc0:215c::/46 2a00:4bc0:2161::/48 2a00:4bc0:2162::/47 2a00:4bc0:2164::/46 2a00:4bc0:2168::/45 2a00:4bc0:2170::/44 2a00:4bc0:2180::/44 2a00:4bc0:2190::/45 2a00:4bc0:2198::/46 2a00:4bc0:219d::/48 2a00:4bc0:219e::/47 2a00:4bc0:21a0::/43 2a00:4bc0:21c0::/42 2a00:4bc0:2200::/40 2a00:4bc0:2600::/39 2a00:4bc0:2800::/37 2a00:4bc0:3000::/36 2a00:4bc0:4000::/34 2a00:4bc0:8000::/33
Similar-sized networks in Switzerland
ASN Name IPv4 addresses
AS60486 #232 SNS Swiss Networking Solutions AG2,048 AS62320 #233 SSC-AS Safe Swiss Cloud AG2,048 AS213298 #234 CTX-BRN-AS Cortex IT SA2,048 AS41264 #237 GOOGLE-IT-RO-ISP Google Switzerland GmbH2,048 AS9025 #238 SIX-USA SIX Group Services AG2,048
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