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ASN Directory
AS numbers from 0 to 497
AS0 IANA-RSVD-0
AS1 Level 3 Communications, Inc.
AS2 University of Delaware
AS3 Massachusetts Institute of Technology
AS4 University of Southern California
AS5 WFA Group LLC
AS6 ATOS IT Solutions and Services, Inc.
AS7 The Defence Science and Technology Laboratory
AS8 Rice University
AS9 Carnegie Mellon University
AS10 CSNET Coordination and Information Center (CSNET-CIC)
AS11 Harvard University
AS12 New York University
AS13 Headquarters, USAISC
AS14 Columbia University
AS15 DYNAMICS
AS16 Lawrence Berkeley National Laboratory
AS17 Purdue University
AS18 University of Texas at Austin
AS19 Leidos, Inc.
AS20 University of Rochester
AS21 The RAND Corporation
AS22 Navy Network Information Center (NNIC)
AS23 National Aeronautics and Space Administration
AS24 National Aeronautics and Space Administration
AS25 University of California at Berkeley
AS26 Cornell University
AS27 University of Maryland
AS28 Deutsches Zentrum fuer Luft- und Raumfahrt e.V.
AS29 Yale University
AS30 SRI International
AS31 California Institute of Technology
AS32 Stanford University
AS33 HP Inc.
AS34 University of Delaware
AS35 The MITRE Corporation
AS36 SRI International
AS37 Navy Network Information Center (NNIC)
AS38 University of Illinois
AS39 DoD Network Information Center
AS40 Massachusetts Institute of Technology
AS41 National Aeronautics and Space Administration
AS42 WoodyNet, Inc.
AS43 Brookhaven National Laboratory
AS44 Lawrence Livermore National Laboratory
AS45 Lawrence Livermore National Laboratory
AS46 Rutgers, The State University
AS47 University of Southern California
AS48 Navy Network Information Center (NNIC)
AS49 US National Institute of Standards & Technology
AS50 Oak Ridge National Laboratory
AS51 Headquarters, USAISC
AS52 University of California, Los Angeles
AS53 Northrop Grumman Corporation - Automation Sciences Laboratory
AS54 Headquarters, USAISC
AS55 University of Pennsylvania
AS56 DoD Network Information Center
AS57 University of Minnesota
AS58 Shared Services Canada
AS59 University of Wisconsin Madison
AS60 Advanced Information Technology Services, LLC
AS61 Air Force Systems Networking
AS62 CyrusOne LLC
AS63 Massachusetts Institute of Technology
AS64 The MITRE Corporation
AS65 Air Force Systems Networking
AS66 Headquarters, USAISC
AS67 Unisys Corporation
AS68 Los Alamos National Laboratory
AS69 University of Pennsylvania
AS70 National Library of Medicine
AS71 HP Inc.
AS72 Schlumberger Limited
AS73 University of Washington
AS74 Shared Services Canada
AS75 Argonne National Laboratory
AS76 Unisys Corporation
AS77 Johns Hopkins University Applied Physics Laboratory
AS78 BT Americas, Inc
AS79 Los Alamos National Laboratory
AS80 General Electric Company
AS81 MCNC
AS82 Attachmate Corp.
AS83 Headquarters, USAISC
AS84 Navy Network Information Center (NNIC)
AS85 The Aerospace Corporation
AS86 DXC US Latin America Corporation
AS87 Indiana University
AS88 Princeton University
AS89 Navy Network Information Center (NNIC)
AS90 Oracle Corporation
AS91 Rensselaer Polytechnic Institute
AS92 Clarkson University
AS93 NTT America, Inc.
AS94 Headquarters, USAISC
AS95 DoD Network Information Center
AS96 Headquarters, USAISC
AS97 NTT America, Inc.
AS98 The Rockefeller University
AS99 Intel Corporation
AS100 FMC Central Engineering Laboratories
AS101 University of Washington
AS102 National Science Foundation
AS103 Northwestern University
AS104 University of Colorado at Boulder
AS105 Gould Computer Systems Division
AS106 General Dynamics Mission Systems, Inc.
AS107 Air Force Systems Networking
AS108 Xerox Corporation
AS109 CISCO SYSTEMS, INC.
AS110 Xerox Advanced Information Technology
AS111 Boston University
AS112 DNS-OARC
AS113 Space Communications Company
AS114 NTT America, Inc.
AS115 DoD Network Information Center
AS116 Ericsson Inc.
AS117 Lockheed Austin Division
AS118 DoD Network Information Center
AS119 American Mathematical Society
AS120 The MITRE Corporation
AS121 DoD Network Information Center
AS122 UPMC
AS123 Air Force Systems Networking
AS124 DoD Network Information Center
AS125 Honeywell International, Inc.
AS126 DoD Network Information Center
AS127 Jet Propulsion Laboratory
AS128 Booz Allen Hamilton Inc.
AS129 DoD Network Information Center
AS130 Space Communications Division
AS131 University of California, Santa Barbara
AS132 Air Force Systems Networking
AS133 Air Force Systems Networking
AS134 Fleet Analysis Center
AS135 DoD Network Information Center
AS136 Air Force Systems Networking
AS137 Consortium GARR
AS138 DoD Network Information Center
AS139 Navy Network Information Center (NNIC)
AS140 DoD Network Information Center
AS141 Navy Network Information Center (NNIC)
AS142 Headquarters, USAISC
AS143 1881CS/XPC
AS144 Lucent Technologies/Bell Laboratories
AS145 MCI Communications Corporation
AS146 Air Force Systems Networking
AS147 DoD Network Information Center
AS148 Navy Network Information Center (NNIC)
AS149 DoD Network Information Center
AS150 DoD Network Information Center
AS151 HP Inc.
AS152 SRI International
AS153 Headquarters, USAISC
AS154 Headquarters, USAISC
AS155 DoD Network Information Center
AS156 Northeastern University
AS157 Silicon Graphics International Corp.
AS158 Ericsson Inc.
AS159 Ohio State University
AS160 The University of Chicago
AS161 Texas Instruments Incorporated
AS162 Navy Network Information Center (NNIC)
AS163 IBM
AS164 DoD Network Information Center
AS165 DoD Network Information Center
AS166 Institute for Defense Analyses
AS167 Wesleyan University
AS168 University of Massachusetts
AS169 Air Force Systems Networking
AS170 DoD Network Information Center
AS171 Southern Light Rail, Inc.
AS172 Headquarters, USAISC
AS173 Nippon Telegraph and Telephone Corporation
AS174 Cogent Communications
AS175 Air Force Systems Networking
AS176 Information Systems and Networks Corporation
AS177 University of Michigan
AS178 University of Michigan
AS179 University of Michigan
AS180 University of Michigan
AS181 Merit Network Inc.
AS182 Merit Network Inc.
AS183 Merit Network Inc.
AS184 Merit Network Inc.
AS185 Merit Network Inc.
AS186 The Catholic University of America
AS187 DNScast
AS188 SAIC
AS189 Level 3 Communications, Inc.
AS190 Navy Network Information Center (NNIC)
AS191 Navy Network Information Center (NNIC)
AS192 Rochester Institute of Technology
AS193 Lockheed Martin Corporation
AS194 University Corporation for Atmospheric Research
AS195 San Diego Supercomputer Center
AS196 The Boeing Company
AS197 Raytheon Company
AS198 DoD Network Information Center
AS199 Level 3 Communications, Inc.
AS200 Level 3 Communications, Inc.
AS201 Level 3 Communications, Inc.
AS202 Level 3 Communications, Inc.
AS203 Level 3 Communications, Inc.
AS204 Pittsburgh Supercomputing Center
AS205 Montclair State University
AS206 DXC US Latin America Corporation
AS207 Computational Logic, Inc.
AS208 Navy Network Information Center (NNIC)
AS209 CenturyLink Communications, LLC
AS210 Utah Education Network
AS211 Rome Air Development Center
AS212 Headquarters, Air Force Systems Command
AS213 Headquarters, USAISC
AS214 Navy Network Information Center (NNIC)
AS215 Headquarters, USAISC
AS216 Air Force Systems Networking
AS217 University of Minnesota
AS218 Air Force Systems Networking
AS219 Navy Network Information Center (NNIC)
AS220 Air Force Systems Networking
AS221 Air Force Systems Networking
AS222 Air Force Systems Networking
AS223 Parsons Corporation
AS224 SIKT - KUNNSKAPSSEKTORENS TJENESTELEVERANDOR
AS225 University of Virginia
AS226 Los Nettos
AS227 Headquarters, USAISC
AS228 DoD Network Information Center
AS229 Merit Network Inc.
AS230 Merit Network Inc.
AS231 Michigan State University
AS232 Merit Network Inc.
AS233 Merit Network Inc.
AS234 Nether.Net
AS235 Merit Network Inc.
AS236 Merit Network Inc.
AS237 Merit Network Inc.
AS238 Merit Network Inc.
AS239 University of Toronto
AS240 Air Force Systems Networking
AS241 Air Force Systems Networking
AS242 SUPSHIP
AS243 L3Harris Technologies, Inc.
AS244 DoD Network Information Center
AS245 Planning Research Corporation
AS246 Air Force Systems Networking
AS247 Rome Air Development Center
AS248 IDDQD-AS
AS249 European Network
AS250 AS250.net Foundation
AS251 Denis Klimek
AS252 Headquarters, USAISC
AS253 NTT America, Inc.
AS254 Attachmate Corp.
AS255 Air Force Systems Networking
AS256 Navy Network Information Center (NNIC)
AS257 Navy Network Information Center (NNIC)
AS258 Headquarters, USAISC
AS259 SCUBED
AS260 GTT
AS261 Renater
AS262 NTT America, Inc.
AS263 NTT America, Inc.
AS264 SRI International
AS265 Advanced Info. Technology Servcies
AS266 DHC USA INCORPORATED
AS267 Nether.Net
AS268 Uniformed Services University of the Health Sciences
AS269 Incremental Systems Corporation
AS270 National Aeronautics and Space Administration
AS271 BCnet
AS272 Headquarters, USAISC
AS273 DoD Network Information Center
AS274 Advanced Information Technology Services, LLC
AS275 NTT America, Inc.
AS276 University of Texas System
AS277 DXC US Latin America Corporation
AS278 Universidad Nacional Autonoma de Mexico
AS279 Level 3 Communications, Inc.
AS280 NTT America, Inc.
AS281 Level 3 Communications, Inc.
AS282 Merit Technology, Inc.
AS283 MPower Labs, Inc.
AS284 Verizon Business
AS285 Headquarters, USAISC
AS286 GTT Communications Inc.
AS287 Navy Network Information Center (NNIC)
AS288 European Space Agency (ESA)
AS289 Headquarters, USAISC
AS290 Interop Show Network
AS291 ESnet
AS292 ESnet
AS293 ESnet
AS294 Renater
AS295 DoD Network Information Center
AS296 Air Force Systems Networking
AS297 National Aeronautics and Space Administration
AS298 Air Force Systems Networking
AS299 University of California, Irvine
AS300 DoD Network Information Center
AS301 Air Force Systems Networking
AS302 Baylor College of Medicine
AS303 DoD Network Information Center
AS304 SRI International
AS305 Headquarters, USAISC
AS306 DoD Network Information Center
AS307 DoD Network Information Center
AS308 DoD Network Information Center
AS309 DoD Network Information Center
AS310 DoD Network Information Center
AS311 DoD Network Information Center
AS312 DoD Network Information Center
AS313 DoD Network Information Center
AS316 DoD Network Information Center
AS317 DoD Network Information Center
AS319 DoD Network Information Center
AS320 DoD Network Information Center
AS321 DoD Network Information Center
AS322 DoD Network Information Center
AS323 DoD Network Information Center
AS324 DoD Network Information Center
AS325 DoD Network Information Center
AS326 DoD Network Information Center
AS327 DoD Network Information Center
AS328 DoD Network Information Center
AS329 DoD Network Information Center
AS331 DoD Network Information Center
AS332 DoD Network Information Center
AS334 DoD Network Information Center
AS335 DoD Network Information Center
AS336 DoD Network Information Center
AS337 DoD Network Information Center
AS338 DoD Network Information Center
AS339 DoD Network Information Center
AS340 DoD Network Information Center
AS341 DoD Network Information Center
AS342 DoD Network Information Center
AS343 DoD Network Information Center
AS344 DoD Network Information Center
AS345 DoD Network Information Center
AS346 DoD Network Information Center
AS347 DoD Network Information Center
AS348 DoD Network Information Center
AS349 DoD Network Information Center
AS350 DoD Network Information Center
AS351 DoD Network Information Center
AS352 DoD Network Information Center
AS353 DoD Network Information Center
AS355 DoD Network Information Center
AS356 DoD Network Information Center
AS357 DoD Network Information Center
AS358 DoD Network Information Center
AS359 DoD Network Information Center
AS360 DoD Network Information Center
AS361 DoD Network Information Center
AS362 DoD Network Information Center
AS364 DoD Network Information Center
AS365 DoD Network Information Center
AS366 DoD Network Information Center
AS367 DoD Network Information Center
AS368 DoD Network Information Center
AS369 DoD Network Information Center
AS370 DoD Network Information Center
AS371 DoD Network Information Center
AS372 National Aeronautics and Space Administration
AS373 The MITRE Corporation
AS374 Air Force Systems Networking
AS375 Tietoevry Oyj
AS376 Reseau d'Informations Scientifiques du Quebec (RISQ Inc.)
AS377 Sandia National Laboratories
AS378 IUCC - Israel InterUniversity Computation Center
AS381 Air Force Systems Networking
AS383 Air Force Systems Networking
AS385 Air Force Systems Networking
AS386 Air Force Systems Networking
AS387 Air Force Systems Networking
AS390 Air Force Systems Networking
AS391 Air Force Systems Networking
AS395 Air Force Systems Networking
AS398 Air Force Systems Networking
AS399 Air Force Systems Networking
AS400 Air Force Systems Networking
AS405 Air Force Systems Networking
AS406 Air Force Systems Networking
AS409 Air Force Systems Networking
AS416 Air Force Systems Networking
AS427 Air Force Systems Networking
AS440 Air Force Systems Networking
AS441 Air Force Systems Networking
AS444 Air Force Systems Networking
AS445 Air Force Systems Networking
AS450 Air Force Systems Networking
AS451 Air Force Systems Networking
AS452 Air Force Systems Networking
AS456 Air Force Systems Networking
AS461 Air Force Systems Networking
AS466 Air Force Systems Networking
AS468 Air Force Systems Networking
AS490 Air Force Systems Networking
AS491 Air Force Systems Networking
AS492 Air Force Systems Networking
AS493 Air Force Systems Networking
AS494 Air Force Systems Networking
AS495 Air Force Systems Networking
AS497 Air Force Systems Networking