| source AS | AS name | amount Transit AS's
(move your mouse over the number to see transit AS's) |
| AS20940 | AKAMAI-ASN1 Akamai Technologies European AS | 29 |
| AS3573 | ACCENTURE-AS3573 Accenture CIO | 20 |
| AS21433 | ACCENTUREFSSC Accenture UK Limited | 20 |
| AS14717 | ECINET EZE Castle Integration Inc. | 18 |
| AS6432 | DOUBLELCICK-AS Dummy object for doubleclick | 17 |
| AS16815 | CITRIX_ONLINE_LLC-16815 Citrix Online LLC | 16 |
| AS9583 | SIFY-AS-IN Sify Limited | 15 |
| AS2129 | HP-EUROPE-AS-TRADE Hewlett-Packard | 13 |
| AS12654 | RIPE-NCC-RIS-AS RIPE Network Coordination Center | 13 |
| AS12772 | ENFORTA-AS Enforta Autonomous System | 13 |
| AS13778 | JOHNSON-AND-JOHNSON - Johnson & Johnson | 13 |
| AS109 | CISCO-EU-109 Cisco Systems Global ASN - ARIN Assigned | 12 |
| AS6303 | BARCLAYS-CAPITAL - Barclays Capital | 12 |
| AS4788 | TMNET-AS-AP TM Net, Internet Service Provider | 11 |
| AS4983 | INTEL-SC-AS - Intel Corporation | 11 |
| AS6316 | AS-PAETEC-NET - PaeTec Communications, Inc. | 11 |
| AS36408 | ASN-PANTHER Panther Express | 11 |
| AS714 | APPLE Apple Inc | 10 |
| AS4134 | CHINANET-BACKBONE No.31,Jin-rong Street | 10 |
| AS4775 | GLOBE-TELECOM-AS Globe Telecoms | 10 |
| AS6648 | BAYAN-TELECOMMUNICATIONS Bayan Telecommunications, Inc. | 10 |
| AS10026 | PACNET Pacnet Global Ltd | 10 |
| AS13878 | Diveo do Brasil Telecomunicacoes Ltda | 10 |
| AS16586 | CLEARWIRE - Clearwire US LLC | 10 |
| AS16838 | VERISIGN-CORP - VeriSign Infrastructure & Operations | 10 |
| AS17451 | BIZNET-AS-AP BIZNET ISP | 10 |
| AS18676 | AVAYA AVAYA | 10 |
| AS3741 | IS | 9 |
| AS3762 | INSINET INSTINET GLOBAL SERVICES | 9 |
| AS7862 | CHEVRONTEXACO-7862 - Texaco Group, Inc. | 9 |
| AS8153 | NORTEL-NETWORKS NORTEL NETWORKS SA | 9 |
| AS9299 | IPG-AS-AP Philippine Long Distance Telephone Company | 9 |
| AS9498 | BBIL-AP BHARTI Airtel Ltd. | 9 |
| AS19239 | KLA-TENCOR - KLA-TENCOR | 9 |
| AS36184 | MT-EWT-NYC01 - Madison Tyler, LLC | 9 |
| AS3300 | BT-INFONET-EUROPE BT-Infonet-Europe | 8 |
| AS4249 | LILLY-AS - Eli Lilly and Company | 8 |
| AS5089 | NTL Virgin Media Limited | 8 |
| AS9304 | HUTCHISON-AS-AP Hutchison Global Communications | 8 |
| AS9394 | CRNET CHINA RAILWAY Internet(CRNET) | 8 |
| AS9829 | BSNL-NIB National Internet Backbone | 8 |
| AS10794 | BANK-OF-AMERICA Bank of America | 8 |
| AS12008 | ULTRADNS - Centergate Research, LLC. | 8 |
| AS15830 | TELECITY-LON TELECITYGROUP INTERNATIONAL LIMITED | 8 |
| AS16345 | BEE-AS JSC "VimpelCom" | 8 |
| AS18723 | SEAGATE-USA-MN-1 - Seagate Technology | 8 |
| AS21734 | TRADINGTECH-TTNET - Trading Technologies Intl, Inc. | 8 |
| AS25152 | K-ROOT-SERVER RIPE Network Coordination Center | 8 |
| AS26415 | VERISIGN-INC Verisign | 8 |
| AS26910 | POSTINI-NET1 - Postini, Inc. | 8 |
| AS32787 | PROLEXIC Prolexic Technologies, Inc. | 8 |
| AS33597 | INFORELAY - InfoRelay Online Systems, Inc. | 8 |
| AS71 | HP-INTERNET-AS Hewlett-Packard Company | 7 |
| AS72 | SCHLUMBERGER-AS Schlumberger Limited | 7 |
| AS237 | MERIT-AS-14 - Merit Network Inc. | 7 |
| AS2571 | DHL-AS DHL Systems Inc. | 7 |
| AS3738 | SSB-ASN - State Street Bank and Trust Company | 7 |
| AS4243 | NC-FUNB-AS - WACHOVIA CORP | 7 |
| AS4739 | INTERNODE-AS Internode Pty Ltd | 7 |
| AS5668 | AS-5668 - CenturyTel Internet Holdings, Inc. | 7 |
| AS6352 | ETRADE-AS - E*Trade Group | 7 |
| AS7738 | Telecomunicacoes da Bahia S.A. | 7 |
| AS7786 | NPAC - NeuStar, Inc. | 7 |
| AS8151 | Uninet S.A. de C.V. | 7 |
| AS8167 | TELESC - Telecomunicacoes de Santa Catarina SA | 7 |
| AS9051 | IncoNet Data Management sal | 7 |
| AS9121 | TTNET Turk Telekomunikasyon Anonim Sirketi | 7 |
| AS11553 | MANNATECH-AS MANNATECH | 7 |
| AS11590 | CUMBERLAND-TECH - Cumberland Technologies Int'l | 7 |
| AS12418 | QUANTUM Quantum CJSC | 7 |
| AS12885 | ARBINET-UK-AS Arbinet-thexchange Limited | 7 |
| AS13445 | 13445 - Webex Communications, Inc. | 7 |
| AS13489 | EPM Telecomunicaciones S.A. E.S.P. | 7 |
| AS13999 | Mega Cable, S.A. de C.V. | 7 |
| AS15084 | CONVERGYS - Convergys Corp. | 7 |
| AS15802 | DU-AS1 Emirates Integrated Telecommunications Company PJSC (EITC-DU) | 7 |
| AS16960 | Cablevision Red, S.A de C.V. | 7 |
| AS17802 | MACQUARIE-BANK-AS-AP Macquarie Bank | 7 |
| AS17964 | DXTNET Beijing Dian-Xin-Tong Network Technologies Co., Ltd. | 7 |
| AS18059 | DTPNET-AS-AP DTPNET NAP | 7 |
| AS18747 | IFX-NW - IFX Communication Ventures, Inc. | 7 |
| AS19898 | FIBERLINK - Fiberlink Communications Corporation | 7 |
| AS23047 | MCKINSEY-US - Mckinsey & Company | 7 |
| AS23456 | RESERVED-AS assigned by IANA http://www.iana.org/assignments/as-numbers | 7 |
| AS27343 | MONSANTO-INET - Monsanto | 7 |
| AS28959 | VITOL-AS AS for Vitol Group | 7 |
| AS29664 | RGCOM-VANCO-HAI Reliance Globalcom Ltd. (formerly Vanco Ltd) | 7 |
| AS30081 | CACHENETWORKS - CacheNetworks, Inc. | 7 |
| AS36351 | SOFTLAYER - SoftLayer Technologies Inc. | 7 |
| AS41264 | GOOGLE-CORPNET Google Ireland Limited | 7 |
| AS151 | IND-NTC-AS - Hewlett-Packard Company | 6 |
| AS174 | COGENT Cogent/PSI | 6 |
| AS852 | ASN852 - Telus Advanced Communications | 6 |
| AS1785 | AS-PAETEC-NET - PaeTec Communications, Inc. | 6 |
| AS2047 | ASN-ROCHE-BASLE F. Hoffmann-La Roche AG | 6 |
| AS2386 | INS-AS - AT&T Data Communications Services | 6 |
| AS2631 | DISCOVERY-AS - Discovery Communications, Inc. | 6 |
| AS2923 | AS-TIAA-NET - TIAA-CREF | 6 |
| AS3216 | SOVAM-AS OJSC "Vimpelcom" | 6 |
| AS4195 | DE-SHAW-AS DE SHAW | 6 |