AS3303 — SWISSCOM Swisscom Switzerland Ltd

Network type: residential

AS3303 announces 396 IPv4 prefixes covering 3,492,608 addresses and 61 IPv6 prefixes.

About this network

Swisscom (SWISSCOM) — Switzerland's incumbent telecom and largest broadband and mobile provider.

What it's used for

• Consumer and business fixed broadband and mobile across Switzerland, plus a national backbone.

Notable

• The dominant Swiss "eyeball" network; the Swiss government remains a majority shareholder.

Interesting

• Switzerland consistently ranks among the world leaders in broadband speed and fibre coverage, with Swisscom's network central to that.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy.

Announced prefixes

• 46.14.0.0/16
• 46.245.144.0/21
• 62.202.0.0/17
• 62.202.128.0/20
• 62.202.144.0/21
• 62.202.172.0/23
• 62.202.174.0/24
• 62.202.176.0/20
• 62.202.192.0/21
• 62.202.200.0/24
• 62.202.202.0/24
• 62.202.204.0/22
• 62.202.208.0/20
• 62.202.224.0/19
• 62.203.0.0/16
• 78.110.128.0/20
• 80.75.192.0/20
• 80.94.144.0/20
• 81.62.0.0/15
• 83.76.0.0/14
• 83.173.192.0/18
• 84.253.0.0/18
• 85.0.0.0/13
• 91.198.58.0/24
• 91.198.72.0/24
• 91.206.11.0/24
• 91.209.158.0/24
• 91.212.91.0/24
• 91.212.117.0/24
• 91.216.229.0/24
• 91.223.121.0/24
• 91.223.154.0/24
• 91.226.202.0/24
• 91.230.249.0/24
• 92.104.0.0/14
• 95.152.64.0/18
• 109.164.128.0/17
• 136.238.2.0/23
• 136.238.12.0/23
• 136.238.14.0/24
• 138.81.0.0/18
• 138.81.128.0/18
• 138.187.128.0/18
• 138.188.0.0/17
• 138.188.128.0/19
• 138.188.160.0/21
• 138.188.168.0/22
• 138.188.172.0/23
• 138.188.176.0/20
• 138.188.192.0/18
• 138.190.0.0/16
• 138.223.0.0/16
• 144.2.64.0/18
• 146.4.0.0/16
• 149.133.4.0/23
• 152.89.80.0/22
• 156.135.8.0/22
• 156.135.24.0/22
• 160.63.24.0/22
• 160.63.80.0/21
• 160.63.200.0/21
• 161.78.0.0/20
• 162.21.0.0/16
• 164.128.32.0/19
• 164.128.64.0/19
• 164.128.128.0/17
• 170.17.128.0/17
• 170.205.64.0/18
• 176.127.0.0/16
• 178.174.0.0/18
• 178.174.64.0/19
• 178.192.0.0/13
• 178.238.160.0/20
• 184.86.80.0/22
• 185.31.180.0/22
• 185.39.92.0/22
• 185.49.152.0/22
• 185.54.172.0/22
• 185.58.1.0/24
• 185.105.132.0/22
• 185.105.144.0/22
• 185.119.176.0/22
• 185.210.0.0/22
• 188.60.0.0/14
• 188.92.48.0/21
• 192.53.104.0/24
• 192.83.223.0/24
• 192.102.95.0/24
• 193.0.237.0/24
• 193.5.0.0/24
• 193.5.3.0/24
• 193.5.4.0/22
• 193.5.29.0/24
• 193.5.36.0/24
• 193.5.59.0/24
• 193.5.61.0/24
• 193.5.224.0/20
• 193.5.254.0/24
• 193.8.128.0/23
• 193.8.140.0/23

and 357 more.

Upstream networks

• AS6939 Hurricane Electric LLC
• AS3320 Deutsche Telekom AG
• AS3257 GTT Communications Inc.
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS34549 meerfarbig GmbH & Co. KG
• AS174 Cogent Communications, LLC
• AS9002 RETN Limited
• AS1403 EBOX
• AS1836 green.ch AG
• AS34019 Hivane Association
• AS22652 Videotron Ltee
• AS1273 IDDQD-AS
• AS42708 Glesys AB
• AS24482 SG.GS
• AS3333 Reseaux IP Europeens Network Coordination Centre (RIPE NCC)
• AS8280 SYNAPSECOM S.A. Provider of Telecommunications and Internet Services
• AS56655 Gigahost AS
• AS45049 Mohamed El Bouddunti
• AS37100 SEACOM Limited
• AS2497 Internet Initiative Japan Inc.
• AS7575 Australian Academic and Research Network (AARNet)
• AS20485 Joint Stock Company TransTeleCom
• AS12552 GlobalConnect AB
• AS11164 Internet2

Downstream networks

• AS9498 BHARTI Airtel Ltd.
• AS6327 Shaw Communications
• AS12389 PJSC Rostelecom
• AS16509 Amazon.com, Inc.
• AS7029 Windstream Communications LLC
• AS6079 RCN
• AS812 Rogers Communications Canada Inc.
• AS4766 Korea Telecom
• AS174 Cogent Communications, LLC
• AS4837 CHINA UNICOM China169 Backbone
• AS12874 Fastweb SpA
• AS577 Bell Canada
• AS3257 GTT Communications Inc.
• AS28118 ALTICE DOMINICANA S.A.
• AS2914 NTT America, Inc.
• AS8452 IDDQD-AS
• AS4637 Telstra Global
• AS9304 HGC Global Communications Limited
• AS8075 Microsoft Corporation
• AS2856 British Telecommunications Limited
• AS3786 LG DACOM Corporation
• AS8866 Vivacom Bulgaria EAD
• AS13188 CONTENT DELIVERY NETWORK LTD
• AS15169 Google LLC
• AS8764 Telia Lietuva, AB

Adjacent networks

• AS6939 Hurricane Electric LLC
• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS34019 Hivane Association
• AS174 Cogent Communications, LLC
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS3257 GTT Communications Inc.
• AS58453 China Mobile International Limited
• AS9002 RETN Limited
• AS9498 BHARTI Airtel Ltd.
• AS12956 TELEFONICA GLOBAL SOLUTIONS SL
• AS3491 PCCW Global (HK) Ltd.
• AS4134 No.31,Jin-rong Street
• AS6461 Zayo Bandwidth
• AS3320 Deutsche Telekom AG
• AS12874 Fastweb SpA
• AS12389 PJSC Rostelecom
• AS4837 CHINA UNICOM China169 Backbone
• AS23520 Columbus Networks USA, Inc.
• AS577 Bell Canada
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS1273 IDDQD-AS
• AS16735 ALGAR TELECOM S/A
• AS32787 Akamai Technologies, Inc.
• AS4637 Telstra Global

Internet exchanges

• IX.br (PTT.br) São Paulo — São Paulo, Brazil
• DE-CIX Frankfurt — Frankfurt, Germany
• Indonesian Internet Exchange (IIX-Jakarta) — Jakarta, Indonesia
• LINX LON1 — London, United Kingdom
• IX.br (PTT.br) Fortaleza — Fortaleza, Brazil
• AMS-IX Amsterdam — Amsterdam, Netherlands
• NAPAfrica IX Johannesburg — Johannesburg, South Africa
• Equinix Internet Exchange Singapore — Singapore, Singapore
• TPIX - Internet Exchange — Warsaw, Poland
• Milan Internet Exchange — Milan, Italy
• Equinix Internet Exchange Ashburn — Ashburn, United States
• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• Seattle Internet Exchange — Seattle, United States
• Coresite - Any2 West — Los Angeles, United States
• Any2 California — Los Angeles, United States
• NAPAfrica IX Cape Town — Cape Town, South Africa
• Hong Kong Internet Exchange — Hong Kong, China
• JPIX Tokyo — Tokyo, Japan
• Toronto Internet Exchange — Toronto, Canada
• Speed Internet Exchange — Dronten, Netherlands
• DE-CIX New York — New York, United States
• Equinix Internet Exchange Chicago — Chicago, United States
• DE-CIX Mumbai — Mumbai, India
• Singapore Internet Exchange — Singapore, Singapore
• SwissIX — Zurich, Switzerland
• Equinix Internet Exchange Sydney — Sydney, Australia
• Equinix Internet Exchange Paris — Paris, France
• Equinix Internet Exchange Dallas — Dallas, United States
• Roma Internet Exchange Point — Rome, Italy
• New York International Internet Exchange — New York, United States
• DE-CIX Munich — Munich, Germany
• Taipei Internet Exchange (TPIX) — Taipei, Taiwan
• Vienna Internet Exchange — Vienna, Austria
• FL-IX - The Florida Internet Exchange / Community IX - Florida — Miami, United States
• Equinix Internet Exchange Miami — Miami, United States
• ESpanix Madrid Lower LAN — Madrid, Spain
• Nine IX — Paris, France
• Kenya Internet Exchange Point - Nairobi — Nairobi, Kenya
• Bulgarian Internet eXchange — Sofia, Bulgaria
• DE-CIX ASEAN (Singapore, Malaysia, Brunei) — Singapore, Singapore
• Internet Exchange Point of Nigeria - Lagos — Lagos, Nigeria
• France-IX Marseille — Marseille, France
• Torino Piemonte Exchange Point — Torino, Italy
• Budapest Internet Exchange — Budapest, Hungary
• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• DE-CIX Marseille — Marseille, France
• UAE-IX — Dubai, United Arab Emirates
• Luxembourg Internet Exchange — Luxembourg, Luxembourg
• BroadBand Internet eXchange Hong Kong — Hong Kong, China
• Megaport Dusseldorf IX — Düsseldorf, Germany
• Sweden Open Network Internet eXchange Stockholm — Stockholm, Sweden
• France-IX Lyon — Lyon, France
• Belgian National Internet Exchange — Brussels, Belgium
• IX Australia (Perth WA) — Perth, Australia
• Baltic Internet Exchange — Vilnius, Lithuania
• Slovak Internet eXchange Bratislava — Bratislava, Slovakia
• DE-CIX Istanbul — Istanbul, Turkey
• CERN IXP / Equinix Internet Exchange Geneva — Geneva, Switzerland
• Equinix Internet Exchange Zurich — Zurich, Switzerland
• Slovenian Internet Exchange — Ljubljana, Slovenia
• Asteroid Amsterdam IX — Amsterdam, Netherlands
• RomandIX — Lausanne, Switzerland
• Netnod Sundsvall- Gävle — Sundsvall, Sweden
• Equinix-LA(former Paix) — Los Angeles, United States