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71,944 organizations with IPv4 allocations, ranked by IPs held.

Page 5 of 720
# Organization IPs Ranges Country Category
201 Zenlayer Inc 758.8K 1,108 US Enterprise
202 Cincinnati Bell Telephone Company LLC 753.7K 635 US Isp
203 L3Harris Technologies, Inc. 749.8K 86 US Enterprise
204 Sify Limited 749.6K 643 IN Enterprise
205 Vodafone Telekomunikasyon A.S. 747.5K 24 TR Mobile
206 TIME dotCom Berhad No. 14, Jalan Majistret U126 Hicom Glenmarie Industrial Park 40150 Shah Al 741.4K 32 MY Enterprise
207 ESnet 734.7K 45 US Enterprise
208 TekSavvy Solutions, Inc. 733.2K 53 CA Enterprise
209 Illinois Century Network 730.1K 162 US Enterprise
210 ShenZhen Topway Video Communication Co. Ltd 722.9K 14 CN Enterprise
211 Hebei Mobile Communication Company Limited 721.9K 74 CN Mobile
212 Indiana University 721.7K 29 US Academic
213 PenTeleData Inc. 715.8K 184 US Enterprise
214 NCR Voyix Corporation 713.7K 67 US Enterprise
215 True Internet Co., Ltd. 704.8K 360 TH Isp
216 China Unicom Guangzhou network 702.0K 149 CN Isp
217 CHINATELECOM Hubei province Wuhan 5G network 695.6K 99 CN Mobile
218 Internode Pty Ltd 687.1K 293 AU Enterprise
219 Television Internacional, S.A. de C.V. 685.6K 411 MX Enterprise
220 MongoDB, Inc. 679.9K 25 US Enterprise
221 Sonic Telecom LLC 673.0K 883 US Isp
222 Ooredoo Q.S.C. 670.2K 96 QA Enterprise
223 SingNet 670.2K 222 SG Enterprise
224 America Movil Peru S.A.C. 663.8K 25 PE Enterprise
225 Slovak Telekom, a.s. 662.8K 36 SK Isp
226 Rede Nacional de Ensino e Pesquisa 660.2K 50 BR Enterprise
227 City University of New York 659.7K 12 US Academic
228 State of Washington 655.9K 36 US Government
229 University of Wisconsin System 655.6K 11 US Academic
230 DIGI Tavkozlesi es Szolgaltato Kft. 655.1K 134 HU Enterprise
231 R Cable y Telecable Telecomunicaciones, S.A.U. 652.8K 81 ES Isp
232 CHINA UNICOM Industrial Internet Backbone 651.3K 165 CN Isp
233 British Telecommunications Limited 647.2K 82 GB Isp
234 ZSCALER, INC. 644.9K 491 US Enterprise
235 New Century InfoComm Tech Co., Ltd. 644.6K 537 TW Enterprise
236 PacketHub S.A. 638.7K 1,178 PA Enterprise
237 Unitas Global 638.7K 816 US Enterprise
238 Aptum Technologies 638.5K 426 CA Enterprise
239 POWER LINE DATACENTER 637.7K 131 HK Hosting
240 Kcell JSC 636.9K 31 KZ Enterprise
241 Hughes Network Systems, LLC 636.4K 195 US Enterprise
242 Mobile Telecommunications Company K.S.C.P. 632.8K 12 KW Mobile
243 JSC Selectel 630.3K 843 RU Enterprise
244 Telecentro S.A. 623.1K 12 AR Enterprise
245 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. XTRIM EC 615.4K 10 EC Isp
246 Multimedia Polska Sp. z o.o. 614.7K 63 PL Enterprise
247 ENTEL CHILE S.A. 614.1K 268 CL Enterprise
248 Two Degrees Networks Limited 613.6K 140 NZ Enterprise
249 Norlys Digital A/S 612.9K 46 DK Enterprise
250 CDK Global, LLC 612.1K 27 US Enterprise
251 Telia Eesti AS 612.1K 32 EE Isp
252 Gamma Telecom Holdings Ltd 611.6K 34 GB Isp
253 MTN 610.6K 11 SD Mobile
254 Tieteen tietotekniikan keskus Oy 609.8K 19 FI Enterprise
255 EastLink 605.4K 111 CA Enterprise
256 MTN NIGERIA Communication limited 605.2K 6 NG Mobile
257 Bahnhof AB 600.6K 123 SE Enterprise
258 kbro CO. Ltd. 596.0K 7 TW Enterprise
259 State of Wyoming Department A&I 595.2K 11 US Government
260 STNet, Incorporated 594.9K 51 JP Enterprise
261 Bloomberg, LP 593.7K 21 US Enterprise
262 Vectra S.A. 592.4K 83 PL Enterprise
263 GlobalConnect AB 591.6K 295 SE Enterprise
264 ALTICE DOMINICANA S.A. 589.8K 238 DO Isp
265 Georgia Technology Authority 589.8K 13 US Enterprise
266 China Telecom Next Generation Carrier Network 587.3K 259 CN Isp
267 XEROX CORPORATION 587.3K 32 US Enterprise
268 ASN for TIANJIN Provincial Net of CT 586.2K 125 CN Enterprise
269 TN-BB-AS Tunisia BackBone AS 585.5K 236 TN Enterprise
270 Hotwire Communications 585.2K 340 US Isp
271 Alestra, S. de R.L. de C.V. 582.4K 125 MX Enterprise
272 National Telecom Public Company Limited 578.6K 252 TH Isp
273 Celtel Nigeria Limited t.a ZAIN 577.3K 44 NG Enterprise
274 Flexential Colorado Corp. 576.8K 286 US Enterprise
275 SIA Tet 576.0K 168 LV Enterprise
276 NetCologne Gesellschaft fur Telekommunikation mbH 571.9K 32 DE Isp
277 Motorola, Inc. 570.1K 93 US Enterprise
278 Cablemas Telecomunicaciones SA de CV 567.0K 358 MX Isp
279 Novotelecom Ltd 566.3K 9 RU Isp
280 Asia Pacific On-line Service Inc. 563.7K 240 TW Enterprise
281 PrJSC VF UKRAINE 561.2K 82 UA Enterprise
282 Unified Layer 555.8K 234 US Enterprise
283 OCULUS NETWORKS INC 554.5K 476 US Isp
284 Palestine Telecommunications Company (PALTEL) 548.6K 137 PS Isp
285 PCCW IMS Ltd PCCW Business Internet Access 548.1K 414 HK Isp
286 Commonwealth Scientific and Industrial 546.3K 57 AU Enterprise
287 Contabo GmbH 542.7K 250 DE Hosting
288 Cyprus Telecommunications Authority 541.4K 61 CY Isp
289 Taiwan Mobile Co., Ltd. 541.2K 68 TW Mobile
290 euNetworks GmbH 540.7K 150 DE Enterprise
291 Washington State K-20 Telecommunications Network 539.4K 87 US Isp
292 CNSERVERS LLC 536.8K 173 US Enterprise
293 FedEx Internet Technologies Corporation 535.6K 27 US Isp
294 TELCONET S A 535.3K 82 EC Enterprise
295 Saskatchewan Telecommunications 534.5K 231 CA Isp
296 DXTL Tseung Kwan O Service 534.0K 108 HK Enterprise
297 ZAMTEL 533.5K 5 ZM Enterprise
298 Reliance Communications Ltd.DAKC MUMBAI 531.5K 23 IN Isp
299 Three 529.4K 32 GB Enterprise
300 Aire Networks Del Mediterraneo Sl Unipersonal 529.2K 572 ES Enterprise

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Autonomous systems ranked by IPv4 address count.
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IPv4 allocation by country.
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Regional registries
ARIN, RIPE, APNIC, LACNIC, AfriNIC.
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