AS13335 — CLOUDFLARENET

Network type: hosting

AS13335 announces 918 IPv4 prefixes covering 1,379,072 addresses and 1,629 IPv6 prefixes.

About this network

Cloudflare runs one of the world's largest edge networks, sitting in front of a huge slice of the web as a CDN, reverse proxy, and DDoS-mitigation layer.

What it's used for

• Caching and accelerating websites from data centers in hundreds of cities.
• Absorbing and filtering DDoS attacks and malicious traffic before it reaches an origin server.
• Public DNS resolver 1.1.1.1, WARP/Zero Trust, R2 storage, and the Workers edge-compute platform.

Notable

• 1.1.1.0/24 (the 1.1.1.1 resolver) is one of the most recognizable prefixes on the internet and a common test target.
• Because so many sites hide behind Cloudflare, an IP in this ASN usually tells you the proxy, not the site's real origin or its true location.

Interesting

• Cloudflare famously points a wall of lava lamps ("LavaRand") at cameras to help seed cryptographic randomness.

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

Announced prefixes

• 1.0.0.0/24
• 1.1.1.0/24
• 5.10.214.0/23
• 5.83.149.0/24
• 5.226.183.0/24
• 5.252.81.0/24
• 8.6.112.0/24
• 8.20.125.0/24
• 8.21.10.0/24
• 8.24.87.0/24
• 8.27.64.0/24
• 8.27.66.0/23
• 8.29.109.0/24
• 8.29.228.0/24
• 8.29.230.0/23
• 8.31.160.0/23
• 8.34.70.0/24
• 8.34.146.0/24
• 8.35.211.0/24
• 8.39.125.0/24
• 8.39.204.0/24
• 8.39.214.0/24
• 8.44.61.0/24
• 8.47.69.0/24
• 16.5.144.0/20
• 23.131.204.0/24
• 23.145.136.0/24
• 23.145.152.0/24
• 23.145.248.0/24
• 23.180.136.0/24
• 23.227.37.0/24
• 23.227.38.0/23
• 23.227.48.0/23
• 23.227.60.0/24
• 31.56.192.0/24
• 31.185.108.0/24
• 37.72.109.0/24
• 37.153.170.0/23
• 38.96.28.0/23
• 42.61.47.0/24
• 43.229.39.0/24
• 43.230.144.0/24
• 45.12.44.0/23
• 45.43.147.0/24
• 45.43.158.0/24
• 45.45.255.0/24
• 45.128.76.0/24
• 45.130.106.0/24
• 45.130.125.0/24
• 45.134.227.0/24
• 45.146.130.0/24
• 45.148.100.0/24
• 45.157.17.0/24
• 45.192.223.0/24
• 45.192.224.0/24
• 45.195.153.0/24
• 45.196.29.0/24
• 45.196.168.0/24
• 45.198.114.0/24
• 45.198.116.0/24
• 45.198.139.0/24
• 45.199.183.0/24
• 45.199.188.0/24
• 46.38.152.0/24
• 49.238.236.0/22
• 51.194.144.0/22
• 51.241.128.0/23
• 57.250.49.0/24
• 57.250.51.0/24
• 61.8.33.0/24
• 61.32.240.0/24
• 61.245.108.0/24
• 62.146.255.0/24
• 64.8.255.0/24
• 64.40.138.0/24
• 64.40.140.0/24
• 65.110.63.0/24
• 66.71.220.0/24
• 66.80.5.0/24
• 66.84.82.0/24
• 66.93.178.0/24
• 66.203.249.0/24
• 66.235.200.0/24
• 66.242.60.0/23
• 68.182.187.0/24
• 69.87.126.0/24
• 69.90.210.0/24
• 72.11.158.0/24
• 72.22.87.0/24
• 74.1.17.0/24
• 77.73.113.0/24
• 77.90.139.0/24
• 77.90.173.0/24
• 78.128.122.0/24
• 80.240.93.0/24
• 82.21.82.0/24
• 82.21.188.0/24
• 82.22.16.0/24
• 82.22.21.0/24
• 82.22.49.0/24

and 2,447 more.

Upstream networks

• AS1299 Arelion Sweden AB
• AS3356 Level 3 Parent, LLC
• AS174 Cogent Communications, LLC
• AS2914 NTT America, Inc.
• AS3257 GTT Communications Inc.
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS34549 meerfarbig GmbH & Co. KG
• AS6762 TELECOM ITALIA SPARKLE S.p.A.
• AS5511 Orange S.A.
• AS1403 EBOX
• AS7018 AT&T Enterprises, LLC
• AS22652 Videotron Ltee
• AS34927 iFog GmbH
• AS37721 Virtual Technologies & Solutions
• AS24482 SG.GS
• AS9498 BHARTI Airtel Ltd.
• AS202365 Omer GOLGELI
• AS4637 Telstra Global
• AS12956 TELEFONICA GLOBAL SOLUTIONS SL
• AS17639 Converge ICT Solutions Inc.
• AS64073 Vetta Group
• AS4755 TATA Communications formerly VSNL is Leading ISP
• AS38001 NewMedia Express Pte Ltd
• AS20205 Amplex Electric, Inc.
• AS1836 green.ch AG

Downstream networks

• AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
• AS209242 Cloudflare London, LLC
• AS30103 Zoom Video Communications, Inc
• AS58791 GMO Internet, Inc.
• AS6307 American Express Company
• AS8698 BUILDING SOCIETY
• AS270631 Totvs S.A.
• AS7979 Servers.com, Inc.
• AS132839 POWER LINE DATACENTER
• AS43937 Playtech Estonia OU
• AS146943 Tier 4 Cloud Services
• AS11179 Aryaka Networks, Inc.
• AS133800 PT Biznet Gio Nusantara
• AS26585 Securities Industry Automation Corporation
• AS7506 GMO Internet, Inc.
• AS46433 EBOUNDHOST.com
• AS27855 AXESAT S.A
• AS10798 The Standard Bank of South Africa (Proprietary) Limited
• AS22343 Vonage Business Inc.
• AS151734 WEBYNE DATA CENTRE PRIVATE LIMITED
• AS21980 Dayco Telecom, C.A.
• AS14792 DST Systems, Inc.
• AS133199 SonderCloud Limited
• AS401678 BisectHosting
• AS51747 Internet Vikings International AB

Adjacent networks

• AS3356 Level 3 Parent, LLC
• AS2914 NTT America, Inc.
• AS174 Cogent Communications, LLC
• AS1299 Arelion Sweden AB
• AS34549 meerfarbig GmbH & Co. KG
• AS3257 GTT Communications Inc.
• AS135377 UCLOUD INFORMATION TECHNOLOGY (HK) LIMITED
• AS209242 Cloudflare London, LLC
• AS1403 EBOX
• AS34927 iFog GmbH
• AS22652 Videotron Ltee
• AS7018 AT&T Enterprises, LLC
• AS202365 Omer GOLGELI
• AS6453 TATA COMMUNICATIONS (AMERICA) INC
• AS5511 Orange S.A.
• AS30103 Zoom Video Communications, Inc
• AS37721 Virtual Technologies & Solutions
• AS58791 GMO Internet, Inc.
• AS17639 Converge ICT Solutions Inc.
• AS24482 SG.GS
• AS20205 Amplex Electric, Inc.
• AS48362 Stadtwerke Feldkirch
• AS64073 Vetta Group
• AS1836 green.ch AG
• AS293 ESnet

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
• Jakarta Internet Exchange — Jakarta, Indonesia
• Neutral Internet Exchange — Amsterdam, Netherlands
• NAPAfrica IX Johannesburg — Johannesburg, South Africa
• France-IX Paris — Paris, France
• MSK-IX Moscow — Moscow, Russia
• Equinix Internet Exchange Singapore — Singapore, Singapore
• TPIX - Internet Exchange — Warsaw, Poland
• KleyReX Internet Exchange — Frankfurt, Germany
• Milan Internet Exchange — Milan, Italy
• Equinix Internet Exchange Ashburn — Ashburn, United States
• BroadBand Internet eXchange Tokyo — Tokyo, Japan
• Giganet Internet Exchange — Kyiv, Ukraine
• Seattle Internet Exchange — Seattle, United States
• IX.br (PTT.br) Porto Alegre — Porto Alegre, Brazil
• Any2 California — Los Angeles, United States
• London Network Access Point — London, United Kingdom
• NAPAfrica IX Cape Town — Cape Town, South Africa
• Hong Kong Internet Exchange — Hong Kong, China
• JPIX Tokyo — Tokyo, Japan
• Equinix Internet Exchange Warsaw — Warsaw, Poland
• Toronto Internet Exchange — Toronto, Canada
• 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
• Megaport IX Sydney — Sydney, Australia
• NetIX — Sofia, Bulgaria
• SwissIX — Zurich, Switzerland
• IX.br (PTT.br) Curitiba — Curitiba, Brazil
• Extreme IX Mumbai — Mumbai, India
• Equinix Internet Exchange Sydney — Sydney, Australia
• Equinix Internet Exchange Paris — Paris, France
• Equinix Internet Exchange Hong Kong — Hong Kong, China
• DE-CIX Madrid — Madrid, Spain
• Equinix Internet Exchange Dallas — Dallas, United States
• DE-CIX Dusseldorf — Düsseldorf, Germany
• Roma Internet Exchange Point — Rome, Italy
• Johannesburg Internet Exchange — Johannesburg, South Africa
• DE-CIX Munich — Munich, Germany
• Peering.cz — Prague, Czech Republic
• NIX.CZ - Neutral Internet eXchange for the Czech Republic — Prague, Czech Republic
• IX.br (PTT.br) Salvador — Salvador, Brazil
• Local Internet Exchange Frankfurt — Frankfurt, Germany
• IX Australia (Sydney NSW) — Sydney, Australia
• DE-CIX Hamburg — Hamburg, Germany
• Equinix Internet Exchange San Jose (Bay Area) — San Jose, United States
• Taipei Internet Exchange (TPIX) — Taipei, Taiwan
• Thinx IX — Warsaw, Poland
• Vienna Internet Exchange — Vienna, Austria
• Malaysia Internet Exchange — Kuala Lumpur, Malaysia
• National Internet Exchange of India - Mumbai — Mumbai, India
• Equinix Internet Exchange Miami — Miami, United States
• ESpanix Madrid Lower LAN — Madrid, Spain
• DE-CIX Dallas — Dallas, United States
• Digital Realty Atlanta Internet Exchange — Atlanta, United States
• Extreme IX New Delhi — New Delhi, India
• PIT Chile - Santiago — Santiago, Chile
• Berlin Commercial Internet Exchange — Berlin, Germany
• Midwest Internet Cooperative Exchange — Minneapolis, United States
• BroadBand Internet eXchange Singapore — Singapore, Singapore
• Megaport IX Melbourne — Melbourne, Australia
• NAPAfrica IX Durban — Durban, South Africa
• InterLAN-IX — Bucharest, Romania
• Bulgarian Internet eXchange — Sofia, Bulgaria
• LINX Manchester — Manchester, United Kingdom
• DE-CIX ASEAN (Singapore, Malaysia, Brunei) — Singapore, Singapore
• Internet Exchange Point of Nigeria - Lagos — Lagos, Nigeria
• BroadBand Internet eXchange Osaka — Osaka, Japan
• EuroGIX — Strasbourg, France
• Equinix Internet Exchange Tokyo — Tokyo, Japan
• France-IX Marseille — Marseille, France
• Cape Town Internet Exchange — Cape Town, South Africa
• Equinix Internet Exchange New York — New York, United States
• PIT Lima - PIT Peru — Lima, Peru
• Budapest Internet Exchange — Budapest, Hungary
• Internet Neutral Exchange Association CLG - LAN1 — Dublin, Ireland
• Milan Neutral Access Point — Milan, Italy
• National Internet Exchange of India - New Delhi — New Delhi, India
• GetaFIX Manila — Manila, Philippines
• Megaport Frankfurt IX — Frankfurt, Germany
• DE-CIX Marseille — Marseille, France
• JPIX Osaka — Osaka, Japan
• CH Swiss Internet Exchange — Zurich, Switzerland
• Megaport IX Brisbane — Brisbane, Australia
• New Zealand Internet Exchange Auckland — Auckland, New Zealand
• San Francisco Metropolitan Internet Exchange — San Francisco, United States
• IX Australia (Melbourne VIC) — Melbourne, Australia
• Durban Internet eXchange — Durban, South Africa
• Northwest Access Exchange — Portland, United States
• Luxembourg Internet Exchange — Luxembourg, Luxembourg
• Detroit Internet Exchange — Detroit, United States
• BroadBand Internet eXchange Hong Kong — Hong Kong, China
• YYCIX Calgary Internet Exchange — Calgary, Canada
• Megaport Dusseldorf IX — Düsseldorf, Germany
• MegaPort-IX Auckland — Auckland, New Zealand
• MSK-IX St. Petersburg — St. Petersburg, Russia
• Interconnection eXchange Denver — Denver, United States
• Stockholm Internet Exchange — Stockholm, Sweden
• Extreme IX Chennai — Chennai, India
• Boston Internet Exchange — Boston, United States
• CANIX Internet Exchange - Montreal — Montreal, Canada
• AMS-IX Mumbai — Mumbai, India
• Auckland Peering Exchange — Auckland, New Zealand
• Belgian National Internet Exchange — Brussels, Belgium
• IX Australia (Perth WA) — Perth, Australia
• Equinix Internet Exchange Los Angeles — Los Angeles, United States
• IX Australia (Brisbane QLD) — Brisbane, Australia
• Baltic Internet Exchange — Vilnius, Lithuania
• Equinix Internet Exchange Palo Alto — Palo Alto, United States
• Digital Realty New York Internet Exchange — New York, United States
• Greek Internet Exchange - Athens — Athens, Greece
• Vancouver Internet Exchange — Vancouver, Canada
• Massachusetts Internet Exchange — Boston, United States
• Equinix Los Angeles IBX — Los Angeles, United States
• Kansas City Internet Exchange — Kansas City, United States
• DE-CIX Delhi — New Delhi, India
• Slovak Internet eXchange Bratislava — Bratislava, Slovakia
• Norwegian Internet Exchange Oslo 1 — Oslo, Norway
• DE-CIX Istanbul — Istanbul, Turkey
• United IX Chicago — Chicago, United States
• Balkan Internet Exchange — Sofia, Bulgaria
• Megaport IX Perth — Perth, Australia
• Korea Internet Neutral Exchange KINX — Seoul, South Korea
• DE-CIX Lisbon — Lisbon, Portugal
• Gigabit Portuguese Internet Exchange Point — Lisbon, Portugal
• Ninja-IX Phoenix — Phoenix, United States
• Megaport Hamburg IX — Hamburg, Germany
• Equinix Internet Exchange Melbourne — Melbourne, Australia
• Catalunya Neutral Internet Exchange Point — Barcelona, Spain
• Ohio IX — Columbus, United States
• AMS-IX Lagos — Lagos, Nigeria
• CERN IXP / Equinix Internet Exchange Geneva — Geneva, Switzerland
• Costa Rica Neutral Internet Exchange Point — San Jose, Costa Rica
• AMS-IX Hong Kong — Hong Kong, China
• Megaport IX Ashburn — Ashburn, United States
• LINX NoVa — Reston, United States
• Tallinn Governmental Internet Exchange — Tallinn, Estonia
• Croatian Internet Exchange — Zagreb, Croatia
• MegaPort IX Singapore — Singapore, Singapore
• Edge Internet Exchange - Adelaide — Adelaide, Australia
• FD-IX - Indianapolis — Indianapolis, United States
• Pittsburgh Internet Exchange — Pittsburgh, United States
• Equinix Internet Exchange Seattle — Seattle, United States
• Equinix Internet Exchange Zurich — Zurich, Switzerland
• Megaport Berlin IX — Berlin, Germany
• Serbian Open Exchange — Belgrade, Serbia
• Salt Lake Internet Exchange — Salt Lake City, United States
• IX Australia (Adelaide SA) — Adelaide, Australia
• Slovenian Internet Exchange — Ljubljana, Slovenia
• Stuttgarter Internet Exchange — Stuttgart, Germany
• Megaport Munich IX — Munich, Germany
• KG-IX — Bishkek, Kyrgyzstan
• Albanian Neutral Internet eXchange — Tirana, Albania
• Puerto Rico Internet Exchange — San Juan, Puerto Rico
• TIX Tanzania - Dar es Salaam — Dar es Salaam, Tanzania
• Megaport Dallas — Dallas, United States
• Intered Panamá — Panama City, Panama
• Megaport IX Los Angeles — Los Angeles, United States
• Manitoba Internet Exchange — Winnipeg, Canada
• YXEIX Saskatoon Internet Exchange — Saskatoon, Canada
• DE-CIX Palermo — Palermo, Italy
• Lebanon Internet Exchange — Beirut, Lebanon
• Montgomery Internet Exchange — Montgomery, United States
• Reykjavik Internet Exchange — Reykjavik, Iceland
• Santa Monica Internet Local Exchange — Riga, Latvia
• DE-CIX Richmond — Richmond, United States
• AMS-IX Djibouti — Djibouti City, Djibouti
• Greek Internet Exchange - Thessaloniki — Thessaloniki, Greece
• IXP.mk — Skopje, North Macedonia
• STHIX - Copenhagen — Copenhagen, Denmark
• Bhutan Internet Exchange — Thimphu, Bhutan
• Megaport MegaIX Sofia — Sofia, Bulgaria
• Moldova Internet Exchange — Chisinau, Moldova
• T-CIX — Sofia, Bulgaria
• CANIX Internet Exchange - Halifax — Halifax, Canada
• Burkina Faso Internet Exchange Point (BFIX) Ouaga — Ouagadougou, Burkina Faso
• Jacksonville Internet Exchange — Jacksonville, United States
• Kinshasa Internet Exchange — Kinshasa, Democratic Republic of Congo
• MEX-IX McAllen — McAllen, United States
• MidWest-IX - St. Louis — St. Louis, United States
• Netnod Sundsvall- Gävle — Sundsvall, Sweden
• Megaport IX Seattle — Seattle, United States
• Megaport Toronto — Toronto, Canada
• Grenada Internet Exchange — St. Georges, Grenada
• IXP.MX - Mexico City — Ciudad de Mexico, Mexico
• LINX Scotland — Scotland, United Kingdom
• STHIX - Gothenburg — Gothenburg, Sweden
• Tampa Internet Exchange — Tampa, United States
• Equinix Internet Exchange Seoul — Seoul, South Korea
• Lithuania Internet Exchange — Vilnius, Lithuania
• IX Australia (Canberra ACT) — Canberra, Australia
• IX Australia (Hobart TAS) — Hobart, Australia
• Equinix-LA(former Paix) — Los Angeles, United States
• Just Another Internet Exchange — Adelaide, Australia