Top organizations by netblock count

The largest organisations in our index, ranked by number of registered netblocks. Last computed 2026-07-05.

# Organisation Attribution Netblocks
201 Sunrise GmbH GLEIF verified 1,919
202 CALZEDONIASPA 1,886
203 INFRA-AW 1,876
204 UNIFIQUE TELECOMUNICACOES S/A 1,876
205 Office National des Postes et Telecommunications ONPT (Maroc Telecom) / IAM 1,870
206 BEYON B.S.C. 1,870
207 TrueFullstaq B.V. GLEIF verified 1,865
208 Wave Broadband 1,835
209 Globe Telecom (GMCR,INC) GLEIF verified 1,831
210 FR-SOC-TRAIT-INFORMATIQUES-MOYENNES-ENTRE--LB_INTERNET 1,820
211 Aptum Technologies (UK) Limited 1,818
212 SERVICIOS DE TELECOMUNICACIONES SETEL S.A. (XTRIM EC) 1,814
213 National Telecom Public Company Limited 1,812
214 Kornet LLC GLEIF verified 1,798
215 ORG-PS3-RIPE 1,763
216 UPCRO 1,748
217 JSC Selectel 1,742
218 INTESASANPAOLOSPA 1,739
219 RESPSOL 1,737
220 Equinix (EMEA) Acquisition Enterprises B.V. GLEIF verified 1,732
221 Cisco OpenDNS, LLC 1,724
222 A1 Bulgaria EAD 1,720
223 Vianova S.p.A GLEIF verified 1,716
224 Grande Communications Networks, LLC GLEIF verified 1,708
225 TELY Ltda. 1,708
226 i3D.net B.V 1,706
227 ORG-WRGB1-RIPE 1,704
228 totnet 1,698
229 FBTWOZEROZERO 1,698
230 Selectel Ltd. 1,697
231 OCULUS NETWORKS INC 1,695
232 LL 1,694
233 Telecom Italia S.p.A. GLEIF verified 1,694
234 CONTENT DELIVERY NETWORK LTD 1,692
235 Telefonica del Sur S.A. 1,691
236 ORG-wTL1-RIPE 1,679
237 ORG-EO1-RIPE 1,667
238 LVNET LTD 1,665
239 STYLESCAPE-LTD 1,657
240 GSL Networks Pty LTD 1,653
241 SERVERS TECH FZCO 1,651
242 Joint Stock Company TransTeleCom 1,643
243 GHOSTnet GmbH GLEIF verified 1,636
244 Incapsula Inc 1,628
245 PJSC "Vimpelcom" GLEIF verified 1,628
246 UFINET PANAMA S.A. 1,622
247 Internet Utilities Europe and Asia Limited 1,617
248 VERO S.A GLEIF verified 1,611
249 Telia Lietuva, AB GLEIF verified 1,602
250 FR-CREDIT-AGRICOLE-SYNERGIE--LB_INTERNET 1,589
251 ORG-JR8-RIPE 1,574
252 Wateen Telecom Limited 1,539
253 EDIS-v6-Client 1,531
254 POWERVPS-LIMITED 1,517
255 DIGI-1 1,513
256 ALTICE DOMINICANA S.A. 1,508
257 Brightspeed 1,504
258 ORG-GBPL1-AFRINIC 1,495
259 ORG-APNI3-AP 1,489
260 SIA Latnet 1,487
261 FASTWEB-INFRATEL_ITALIA 1,486
262 Aruba S.p.A. GLEIF verified 1,478
263 ORG-KSL1-RIPE 1,476
264 TIM S/A GLEIF verified 1,473
265 Turk Telekomunikasyon Anonim Sirketi GLEIF verified 1,471
266 ORG-GC9-RIPE 1,471
267 Mod Mission Critical LLC 1,461
268 COMUNICACIÓN CELULAR S.A. COMCEL S.A. 1,453
269 KGI Securities (Thailand) Public Company Limited 1,452
270 Consolidated Communications, Inc. GLEIF verified 1,431
271 ZSCALER, INC. GLEIF verified 1,430
272 Latitude.sh LTDA 1,424
273 HOS-1459351 1,422
274 GNET INC. 1,422
275 ORG-FIL1-RIPE 1,417
276 TELCAST-NETWORKS 1,415
277 HIVELOCITY, Inc. 1,415
278 FR-CREDIT-AGRICOLE--LB_INTERNET 1,408
279 FBFIVEZERO 1,405
280 Pakistan Telecom Company Limited 1,403
281 Vivacom Bulgaria EAD 1,394
282 iNet Ltd GLEIF verified 1,394
283 IONOS SE GLEIF verified 1,391
284 Iran Telecommunication Company PJS 1,387
285 COLOMBIA TELECOMUNICACIONES S.A. ESP BIC GLEIF verified 1,364
286 Mobile Telecommunication Company Saudi Arabia Joint-Stock company 1,360
287 RapidSeedbox Ltd 1,359
288 Link Egypt (Link.NET) 1,358
289 Digital United Inc. 1,350
290 Limited Liability Company "TTK-Svyaz" 1,349
291 Netia SA 1,340
292 SISTRIX GmbH 1,328
293 Television Internacional, S.A. de C.V. GLEIF verified 1,317
294 HATHWAY CABLE AND DATACOM LIMITED GLEIF verified 1,317
295 NTT DOCOMO, INC. GLEIF verified 1,287
296 ENTEL CHILE S.A. 1,287
297 TDC-PROACCESS-WAN-NET 1,283
298 Meteverse Limited. 1,279
299 Axfood IT AB GLEIF verified 1,264
300 Host Europe GLEIF verified 1,262
← Previous Next →

Uses the REST API.