| Prefix | Company | Number of IPs |
|---|---|---|
| 46.14.0.0/16 | Swisscom (Schweiz) AG | 65,536 |
| 46.245.144.0/21 | Swisscom (Schweiz) AG | 2,048 |
| 62.202.0.0/15 | Swisscom (Schweiz) AG | 131,072 |
| 78.110.128.0/20 | Swisscom (Schweiz) AG | 4,096 |
| 80.75.192.0/20 | ABB Information Systems Ltd | 4,096 |
| 80.94.144.0/20 | International Committe of the Red Cross (ICRC) | 4,096 |
| 81.62.0.0/15 | Swisscom (Schweiz) AG | 131,072 |
| 83.76.0.0/14 | Swisscom (Schweiz) AG | 262,144 |
| 83.173.192.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 84.253.0.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 85.0.0.0/13 | Swisscom (Schweiz) AG | 524,288 |
| 91.198.58.0/24 | Hypothekarbank Lenzburg AG | 256 |
| 91.198.72.0/24 | Hint AG | 256 |
| 91.206.11.0/24 | Eraneos Switzerland AG | 256 |
| 91.209.158.0/24 | Admeira AG | 256 |
| 91.212.91.0/24 | SIG allCap AG | 256 |
| 91.212.117.0/24 | Rotronic AG | 256 |
| 91.216.229.0/24 | Swisscom (Schweiz) AG | 256 |
| 91.220.40.0/24 | 9 AG | 256 |
| 91.220.99.0/24 | KEYSTONE-SDA-ATS AG | 256 |
| 91.223.121.0/24 | Beyond Gravity Services AG | 256 |
| 91.223.154.0/24 | ALSO Schweiz AG | 256 |
| 91.226.202.0/24 | The Swiss Parliament | 256 |
| 91.230.249.0/24 | Lindt & Spruengli (International) AG | 256 |
| 92.104.0.0/14 | Swisscom (Schweiz) AG | 262,144 |
| 95.152.64.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 109.164.128.0/17 | Swisscom (Schweiz) AG | 32,768 |
| 136.238.2.0/23 | Schindler Informatik AG | 512 |
| 136.238.12.0/23 | Schindler Informatik AG | 512 |
| 136.238.14.0/24 | Schindler Informatik AG | 256 |
| 138.81.0.0/16 | Organisation Internationale de Normalisation (ISO) | 65,536 |
| 138.81.0.0/18 | Organisation Internationale de Normalisation (ISO) | 16,384 |
| 138.81.128.0/18 | Organisation Internationale de Normalisation (ISO) | 16,384 |
| 138.187.128.0/18 | Swisscom Infra | 16,384 |
| 138.188.0.0/16 | Swisscom Mobile | 65,536 |
| 138.190.0.0/16 | Swisscom (Schweiz) AG | 65,536 |
| 138.223.0.0/16 | ABB Information Systems Ltd | 65,536 |
| 144.2.64.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 146.4.0.0/16 | Swisscom (Schweiz) AG | 65,536 |
| 149.133.4.0/23 | The Swatch Group Services AG | 512 |
| 152.89.80.0/22 | Leonteq Securities AG | 1,024 |
| 156.135.8.0/22 | Skyguide SA (ex Swisscontrol) | 1,024 |
| 156.135.24.0/22 | Skyguide SA (ex Swisscontrol) | 1,024 |
| 160.63.24.0/22 | Kanton Zurich | 1,024 |
| 160.63.80.0/21 | Kanton Zurich | 2,048 |
| 160.63.200.0/21 | Kanton Zurich | 2,048 |
| 161.78.0.0/20 | Amt fuer Informatik | 4,096 |
| 162.21.0.0/16 | Ringier AG | 65,536 |
| 164.128.32.0/19 | Loopbacks | 8,192 |
| 164.128.64.0/19 | Swisscom (Schweiz) AG | 8,192 |
| 164.128.128.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 164.128.192.0/18 | ENT EC Z HIGHEND | 16,384 |
| 170.17.128.0/17 | Swisscom (Schweiz) AG | 32,768 |
| 170.205.64.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 176.127.0.0/16 | Swisscom (Schweiz) AG | 65,536 |
| 178.174.0.0/18 | Swisscom (Schweiz) AG | 16,384 |
| 178.174.64.0/19 | Swisscom (Schweiz) AG | 8,192 |
| 178.192.0.0/13 | Swisscom (Schweiz) AG | 524,288 |
| 178.238.160.0/20 | Swisscom (Schweiz) AG | 4,096 |
| 184.86.80.0/22 | Akamai Technologies, Inc. | 1,024 |
| 185.31.180.0/22 | Orell Fuessli AG | 1,024 |
| 185.39.92.0/22 | Swisscom (Schweiz) AG | 1,024 |
| 185.49.152.0/22 | Brugg Group AG | 1,024 |
| 185.54.172.0/22 | Alt Gr SA | 1,024 |
| 185.58.1.0/24 | COMPAX NET4 | 256 |
| 185.105.132.0/22 | Swisscom (Schweiz) AG | 1,024 |
| 185.105.144.0/22 | Swisscom (Schweiz) AG | 1,024 |
| 185.119.176.0/22 | Swisscom (Schweiz) AG | 1,024 |
| 185.176.236.0/22 | KSA Network | 1,024 |
| 185.210.0.0/23 | SICPA SA | 512 |
| 185.210.2.0/24 | SICPA SA | 256 |
| 185.210.3.0/24 | SICPA SA | 256 |
| 188.60.0.0/14 | Swisscom (Schweiz) AG | 262,144 |
| 188.92.48.0/21 | Swisscom IT Services AG | 2,048 |
| 192.53.104.0/24 | Astrodienst AG | 256 |
| 192.83.223.0/24 | dedenet | 256 |
| 192.102.95.0/24 | ZBW Zentralstelle fuer berufliche Weiterbildung | 256 |
| 193.0.237.0/24 | EFG Bank SA, Succursale de Geneve | 256 |
| 193.5.0.0/24 | Swisscom (Schweiz) AG | 256 |
| 193.5.3.0/24 | Swisscom (Schweiz) AG | 256 |
| 193.5.4.0/23 | Swisscom (Schweiz) AG | 512 |
| 193.5.6.0/23 | Swisscom (Schweiz) AG | 512 |
| 193.5.29.0/24 | Swisscom (Schweiz) AG | 256 |
| 193.5.36.0/24 | IPP SERVICES | 256 |
| 193.5.59.0/24 | Swisscom (Schweiz) AG | 256 |
| 193.5.61.0/24 | IP+ PA space | 256 |
| 193.5.224.0/20 | Swisscom (Schweiz) AG | 4,096 |
| 193.5.254.0/24 | Oetiker Schweiz AG | 256 |
| 193.8.128.0/23 | Kantonsspital St. Gallen | 512 |
| 193.8.140.0/23 | OFISA Informatique SA | 512 |
| 193.8.140.0/24 | OFISA Informatique SA | 256 |
| 193.8.141.0/24 | OFISA Informatique SA | 256 |
| 193.8.145.0/24 | Allocare AG | 256 |
| 193.19.94.0/23 | FERRING INTERNATIONAL CENTER S.A. | 512 |
| 193.41.52.0/22 | Bellevue Group AG | 1,024 |
| 193.72.80.0/24 | Stephan Fischer | 256 |
| 193.73.242.0/23 | Association Conseil Oecumenique des Eglises | 512 |
| 193.134.32.0/22 | Kantonsspital St. Gallen | 1,024 |
| 193.134.36.0/22 | Swisscom (Schweiz) AG | 1,024 |
| 193.134.255.0/24 | Swiscom GGC | 256 |
| 2001:678:e0::/48 | Galledia Print AG | 1.21 × 1024 |
| 2001:678:d98::/48 | Hypothekarbank Lenzburg AG | 1.21 × 1024 |
| 2001:678:d9c::/48 | Hypothekarbank Lenzburg AG | 1.21 × 1024 |
| 2001:67c:420::/48 | Otto Fischer AG | 1.21 × 1024 |
| 2001:67c:4f0::/48 | Coop Genossenschaft | 1.21 × 1024 |
| 2001:67c:5dc::/48 | Bucherer AG | 1.21 × 1024 |
| 2001:67c:ff0::/48 | STAR AG, Software, Translation, Artwork, Recording | 1.21 × 1024 |
| 2001:67c:1984::/48 | MvA Internet Services GmbH | 1.21 × 1024 |
| 2001:67c:273c::/48 | HG COMMERCIALE Handelsgenossenschaft des Schweizerischen Baumeisterverbandes | 1.21 × 1024 |
| 2001:67c:2950::/48 | Strellson AG | 1.21 × 1024 |
| 2001:67c:2f70::/48 | Beyond Gravity Services AG | 1.21 × 1024 |
| 2001:918::/32 | Swisscom (Schweiz) AG | 7.92 × 1028 |
| 2001:918:ff44::/48 | Swisscom (Schweiz) AG | 1.21 × 1024 |
| 2001:918:ff64::/48 | Swisscom (Schweiz) AG | 1.21 × 1024 |
| 2001:918:ffa9::/48 | Broadpeak.TV servers | 1.21 × 1024 |
| 2001:918:ffaa::/48 | Swisscom GGC | 1.21 × 1024 |
| 2001:918:ffac::/48 | Akamai Abuse contact | 1.21 × 1024 |
| 2001:918:ffad::/48 | Akamai Abuse contact | 1.21 × 1024 |
| 2001:918:ffcb::/48 | AKA NET LSS | 1.21 × 1024 |
| 2001:918:fff9::/48 | Networktest ch | 1.21 × 1024 |
| 2001:918:fffa::/48 | Netflix OCA | 1.21 × 1024 |
| 2001:91a::/32 | Swisscom (Schweiz) AG | 7.92 × 1028 |
| 2001:91f::/32 | Swisscom Mobile Business Solutions | 7.92 × 1028 |
| 2001:4d98::/33 | Swisscom (Schweiz) AG | 3.96 × 1028 |
| 2a01:8b00::/32 | Swisscom (Schweiz) AG | 7.92 × 1028 |
| 2a01:a2e0::/32 | Brugg Group AG | 7.92 × 1028 |
| 2a02:a90::/32 | Swisscom (Schweiz) AG | 7.92 × 1028 |
| 2a02:1200::/27 | Swisscom (Schweiz) AG | 2.54 × 1030 |
| 2a02:21b0::/29 | Swisscom (Schweiz) AG | 6.34 × 1029 |
| 2a02:4620::/32 | Alt Gr SA | 7.92 × 1028 |
| 2a06:d581:3000::/36 | Bank Julius Baer & Co. AG | 4.95 × 1027 |
| 2a07:2902:400::/38 | Administration of LIR ch.swissgov of FOITT | 1.24 × 1027 |
| 2a0d:ed80:101::/48 | Bratschi AG | 1.21 × 1024 |
| 2a10:a1c0::/48 | Eraneos Switzerland AG | 1.21 × 1024 |
| 2a10:a1c0:1002::/48 | Eraneos Switzerland AG | 1.21 × 1024 |
This table only shows the first 100 of the set of IPv4 and IPv6 prefixes. All data is available via our IP data API.
IP ranges are the different blocks of IP addresses advertised by an Autonomous System (AS). These ranges can be used by the same organization operating the AS, or by different organizations.
AS3303 peers with these other Autonomous Systems.
Peering is a direct, often free, traffic exchange between Autonomous Systems (ASNs). They share routes only to their own networks and customers, making connections faster and cheaper for that specific traffic, without providing full internet access to each other.
AS3303 provides internet connectivity to these downstream Autonomous Systems.
A downstream is a customer Autonomous System that pays another AS (its provider) for internet access. The provider AS carries the downstream's traffic and makes its network reachable.
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