Top organizations by netblock count

The largest organisations in our index, ranked by number of registered netblocks. Last computed 2026-11-01.

This ranks individual registry-name clusters. Where one organisation holds space under several different names, browse organisation entities to see them grouped.

# Organisation Attribution Netblocks
240 Telecom Italia S.p.A. +1 handle merged GLEIF verified 3,225
201 Selectel Ltd. 1,886
202 CALZEDONIASPA 1,886
203 TrueFullstaq B.V. GLEIF verified 1,879
204 Infra-Commerce Investments B.V. INFRA-AW 1,876
205 Globe Telecom (GMCR,INC) GLEIF verified 1,863
206 ADVANCED WIRELESS NETWORK COMPANY LIMITED 1,830
207 UFINET PANAMA S.A. 1,825
208 Vodafone GmbH GLEIF verified 1,825
209 FR-SOC-TRAIT-INFORMATIQUES-MOYENNES-ENTRE--LB_INTERNET 1,816
210 HIVELOCITY, Inc. 1,810
211 National Telecom Public Company Limited 1,799
212 Kornet LLC GLEIF verified 1,798
213 Vodafone-panafon Hellenic Telecommunications Company SA ORG-PS3-RIPE 1,796
214 Grande Communications Networks, LLC GLEIF verified 1,790
215 GSL Networks Pty LTD 1,783
216 i3D.net B.V 1,778
217 Company 64d3452aYKe9ygar 1,776
218 UPCRO 1,748
219 GNET INC. 1,746
220 Vianova S.p.A GLEIF verified 1,744
221 INTESASANPAOLOSPA 1,744
222 A1 Bulgaria EAD 1,736
223 RESPSOL 1,735
224 Cloud Innovation Ltd ORG-CIL1-AFRINIC 1,730
225 Enreach Netherlands B.V. ORG-WRGB1-RIPE 1,710
226 Incapsula Inc 1,706
227 Joint Stock Company TransTeleCom 1,701
228 totnet 1,698
229 CONTENT DELIVERY NETWORK LTD 1,692
230 LL 1,692
231 PJSC "Vimpelcom" GLEIF verified 1,688
232 FBTWOZEROZERO 1,687
233 SERVERS TECH FZCO 1,685
234 Wavenet Limited ORG-wTL1-RIPE 1,679
235 STYLESCAPE LTD STYLESCAPE-LTD 1,673
236 Elisa Oyj ORG-EO1-RIPE 1,667
237 LVNET LTD 1,666
238 Telia Lietuva, AB GLEIF verified 1,664
239 VERO S.A 1,659
241 Internet Utilities Europe and Asia Limited 1,630
242 Digital United Inc. 1,621
243 Equinix (EMEA) Acquisition Enterprises B.V. GLEIF verified 1,606
244 FR-CREDIT-AGRICOLE-SYNERGIE--LB_INTERNET 1,597
245 PJSC Rostelecom ORG-JR8-RIPE 1,574
246 TELCAST-NETWORKS 1,571
247 Brightspeed 1,567
249 Fidium GLEIF verified 1,556
250 ALTICE DOMINICANA S.A. 1,553
251 JSC Selectel 1,549
252 Jordan Data Communications Company LLC 1,541
253 FASTWEB-INFRATEL_ITALIA 1,536
254 EDIS-v6-Client 1,531
255 DIGI-1 1,513
256 Latitude.sh LTDA 1,509
257 Link Egypt (Link.NET) 1,504
258 Gigs Broadband Pty Ltd ORG-GBPL1-AFRINIC 1,495
259 Asia Pacific Network Information Center, Pty. Ltd. ORG-APNI3-AP 1,491
260 Aruba S.p.A. GLEIF verified 1,483
261 POWERVPS LIMITED POWERVPS-LIMITED 1,482
262 SIA Latnet 1,476
263 Digital Space Group Limited ORG-KSL1-RIPE 1,476
264 Lumen Technologies UK Limited ORG-GC9-RIPE 1,471
265 COMUNICACIÓN CELULAR S.A. COMCEL S.A. 1,468
266 KGI Securities (Thailand) Public Company Limited 1,461
267 IONOS SE GLEIF verified 1,449
268 INTEGRATEL PERÚ S.A.A. 1,431
269 FR-CREDIT-AGRICOLE--LB_INTERNET 1,430
270 Mobile Telecommunication Company Saudi Arabia Joint-Stock company 1,426
271 HOS-1459351 1,422
272 Ivanov Vitaliy Sergeevich 1,419
273 FastNet International Ltd ORG-FIL1-RIPE 1,417
274 Vivacom Bulgaria EAD 1,407
275 Iran Telecommunication Company PJS 1,401
276 FBFIVEZERO 1,400
277 Wateen Telecom Limited 1,398
278 Television Internacional, S.A. de C.V. GLEIF verified 1,392
279 Mod Mission Critical LLC 1,388
280 CORPORACION NACIONAL DE TELECOMUNICACIONES - CNT EP 1,379
281 Limited Liability Company "TTK-Svyaz" 1,373
282 Netia SA 1,365
283 Bunny Communications 1,359
284 ACEVILLE PTE.LTD. 1,358
285 Meteverse Limited. 1,357
286 Pakistan Telecom Company Limited 1,355
287 TELUS Communications Inc. GLEIF verified 1,349
288 Vodafone Australia Pty Ltd 1,347
289 Turk Telekomunikasyon Anonim Sirketi GLEIF verified 1,343
290 UAB "Bite Lietuva" 1,335
291 HATHWAY CABLE AND DATACOM LIMITED GLEIF verified 1,332
292 SISTRIX GmbH 1,332
293 ENTEL CHILE S.A. 1,324
294 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC GLEIF verified 1,309
295 DingFeng XinHui (HongKong) Technology Limited 1,303
296 NTT DOCOMO, INC. GLEIF verified 1,298
297 FDCservers.net 1,292
298 Axfood IT AB GLEIF verified 1,279
299 TDC-PROACCESS-WAN-NET 1,277
300 America Movil Peru S.A.C. 1,264
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