Top organizations by netblock count

The largest organisations in our index, ranked by number of registered netblocks. Last computed 2026-09-06.

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
301 TTSL-ISP DIVISION 1,221
302 ACE CDN ACE-SG 1,221
303 Sifyinfranet 1,217
304 TDC-IPTV-NET 1,215
305 AS27651 1,215
306 iNet Ltd GLEIF verified 1,214
307 Vodafone Net Iletisim Hizmetler AS 1,208
308 Datacom Group Ltd GLEIF verified 1,208
309 Leaseweb USA, Inc. 1,206
310 Telekomunikasi Indonesia (PT) ORG-TI10-AP 1,203
311 FBTHREEZEROZERO 1,194
312 DigitalOcean, LLC GLEIF verified 1,191
313 Bezeq International Ltd. 1,190
314 AKAMAI-PA 1,172
315 HERO TELECOMS (PTY) LTD 1,172
316 FASTWEB-POP-INTERNET 1,172
317 a26991340 1,171
318 Inter.link GmbH GLEIF verified 1,170
319 Telecom Italia Spa TELECOMITALIASPA 1,163
320 AS27715 1,150
321 The Egyptian Company for Mobile Services (Mobinil) 1,141
322 Cloudfire s.r.l. 1,141
323 Contabo GmbH 1,140
324 Orange Côte d'Ivoire 1,138
325 Etihad GO Company For communications 1,135
326 CHINANET-FJ 1,128
327 Latitude.sh AS396356 1,127
328 ORG-NLTU1-RIPE 1,124
329 ZSCALER, INC. GLEIF verified 1,121
330 Kar-Tel LLC 1,121
331 JSC Kazakhtelecom GLEIF verified 1,119
332 EE-ESTPAK 1,112
333 AS22884 1,099
334 Telecom Italia S.p.A. ORG-IA34-RIPE 1,097
335 DoD Network Information Center 1,092
336 TurkNet Iletisim Hizmetleri A.S. GLEIF verified 1,091
337 HOSTKEY B.V. GLEIF verified 1,088
338 HOS-1109035 1,077
339 A1TA-HWY-AT 1,071
340 T-Mobile Polska S.A. ORG-ITP1-RIPE 1,071
341 Telemach-NET 1,065
342 OOREDOO TUNISIE SA 1,063
343 FDCservers.net 1,061
344 AS18881 1,058
345 AS14080 1,058
346 GlobalConnect AB GLEIF verified 1,052
347 EGIHosting 1,052
348 AS8167 1,050
349 SC13299 1,050
350 Taiwan Mobile Co., Ltd. 1,048
351 Cyber Internet Services (Private) Limited 1,046
352 GEST-EAS 1,045
353 a34705506 1,044
354 GNET INC. 1,037
355 CHINANET-XZ 1,036
356 CS Loxinfo Public Company Limited 1,030
357 CLOUDFLY CORPORATION 1,027
358 Nombre-red 1,019
359 Indonesia Network Information Center 1,017
360 SUDATEL_FREE 1,013
361 FOOT-LOCKER-EUROPE-B-V-GTT 1,010
362 GLOBAL COMMUNICATION NETWORK LIMITED 1,009
363 Netskope Inc GLEIF verified 1,008
364 Turksat Uydu Haberlesme Kablo TV ve Isletme A.S. GLEIF verified 1,004
365 EVA-FIBER 999
366 REALEITESGRUPPOEUROPEODIINTERESSEECONOMICO 992
367 Etihad Salam Telecom CJSC 991
368 KPN B.V. GLEIF verified 985
369 FASTVPS EESTI OUE FASTVPS-EESTI-OUE 981
370 CAPTURE-9-NET-IN 978
371 PT. INDOSAT Tbk GLEIF verified 975
372 Ooredoo Q.S.C. 975
373 Battlestate Games Limited GLEIF verified 973
374 ratiokontakt GmbH 963
375 WideOpenWest Finance LLC GLEIF verified 963
376 Hainan-TELECOM 960
377 Beam-BRAS-Pools 958
378 IBM Cloud GLEIF verified 954
379 LG DACOM Corporation 952
380 CLOUVIDER-HB-CLIENT-997 950
381 Masergy Communications, Inc GLEIF verified 946
382 PEG TECH INC 944
383 New Century InfoComm Tech Co., Ltd. 944
384 FR-NCNUMERICABLE 943
385 Rackdog LLC 941
386 Yahoo Holdings Inc. 936
387 AVATEL TELECOM, SA GLEIF verified 928
388 Hurricane Electric 925
389 FR-ADECCO--LB_INTERNET 923
390 Itility Limited ORG-IL332-RIPE 921
391 Unitas Global 917
392 Arisk Communications inc. 914
393 AS262197 914
394 Meta 912
395 FR-AXA-FRANCE--LB_INTERNET 910
396 CLOUVIDER-HB-CLIENT-2404 906
397 Hotwire Communications GLEIF verified 906
398 Net at Once Sweden AB ORG-NaOA1-RIPE 905
399 Kaopu Cloud HK Limited 902
400 COLT-JP 902
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