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
701 Movitel, SA 549
702 VODAFONE-DYN-IP 545
703 Cyberzone S.A. GLEIF verified 542
704 MTN Rwandacell ORG-MTN1-AFRINIC 542
705 Accenture LLP GLEIF verified 541
706 Neterra Ltd. 540
707 TIANJIN Provincial Net of CT 539
708 Nova Telecommunications & Media Single Member S.A GLEIF verified 539
709 nestle 538
710 Webzilla B.V. 536
711 Afilias, Inc. GLEIF verified 536
712 SARAASSICURAZIONISPA 535
713 Vox Telecom Ltd GLEIF verified 535
714 IE-RIPPLECOM 535
715 vodafone-Data-Routes 533
716 Vodafone Romania S.A. GLEIF verified 532
717 FIBER TELECOM s.r.o. ORG-FTS26-RIPE 532
718 x_GRAD_BEOGRAD_GRADSKA_UPRAVA_GRADA_x 532
719 NTTCINS 531
720 Ablaykhan Akylbekovich Sharimov 530
721 AS27747 529
722 netcup GmbH GLEIF verified 529
723 Melbikomas UAB 529
724 FIRSTNET SA GLEIF verified 528
725 Hong Kong Broadband Network Limited GLEIF verified 527
726 SKYLINKNET-BD 527
727 TELEFONICA GLEIF verified 526
728 Anexia Cloud Solutions GmbH GLEIF verified 526
729 Planetel Nordest SRL ORG-TS13-RIPE 523
730 GENOTEC-DHS 521
731 Unica Telecomunicazioni s.r.l. ORG-UTS8-RIPE 521
732 Vodafone Libertel B.V. GLEIF verified 521
733 Ethio Telecom GLEIF verified 520
734 Internet Thailand Company Ltd. 519
735 Branch of Netnam Company in Ho Chi Minh City 519
736 GENERALIOPERATIONSSERVICEPLATFORMSRL 519
737 CETINDOO-NET 518
738 WebStream llc GLEIF verified 517
739 COLT Technology Services Group Limited GLEIF verified 517
740 PT Remala Abadi 516
741 Amazon Technologies Inc. GLEIF verified 516
742 Bell DSL Internet Ontario 516
743 GENOTEC-DHS-IPV6 516
744 Hargray Communications Group, Inc. GLEIF verified 516
745 Nos Communications GLEIF verified 515
746 AS22724 514
747 AS27882 513
748 Trossamfundet Svenska Kyrkan GLEIF verified 513
749 NForce Entertainment B.V. 513
750 FR-PROXAD-WIFI 512
751 ZONETEL-INTERNET 509
752 IPX - FZCO 508
753 Hydra Communications Ltd GLEIF verified 508
754 Next Limited GLEIF verified 507
755 AIRESPRING, INC. 507
756 TWT-CUST-P-106932 506
757 SIFYNET 505
758 FR-GIFI--LB_INTERNET 505
759 MTN SA GLEIF verified 505
760 RAWAFED 505
761 UK-PRIVAX-20120608 504
762 Optimum international co GLEIF verified 504
763 ECO-D1102623-NET 504
764 FR-MANPOWER--LB_INTERNET 503
765 TRACESRL 502
766 L295P3403 501
767 SoftBank Mobile Corp. 501
768 Huawei 500
769 ATELEKOMAUST-HWY-AT 499
770 INNOVASPA 498
771 L64858 498
772 TDC-BREDBAANDS-TELEFONI 496
773 FREENET JSC GLEIF verified 496
774 TerraTransit AG GLEIF verified 495
775 NWTBB-HK 495
776 Singapore Telecommunications Ltd, Magix Services 495
777 Ziggo Services B.V. 495
778 RACKTECH CO., LTD. 493
779 kbro CO. Ltd. 493
780 Aussie Fibre Pty Ltd 492
781 SkyQuantum Internet Service 489
782 WoodyNet, Inc. 488
783 Horry Telephone Cooperative, Inc. 486
784 AS262186 486
785 FASTWEB-INTERNET-MOA 484
786 GTHost 483
787 Cloudie Limited 483
788 VISIBLE-ALPHA-LLC GLEIF verified 482
789 Fortinet Inc. GLEIF verified 482
790 Hrvatski Telekom d.d. GLEIF verified 480
791 Speedsurf 480
792 Cafe-AFGHANTELECOM-AF 479
793 HINET-NET 479
794 BOD 478
795 CLOUVIDER-HB-CLIENT-2916 477
796 AS28509 477
797 RITUALS-COSMETICS-ENTERPRISE-B-V-RETAIL-GTT 477
798 Core-Backbone GmbH GLEIF verified 476
799 Moldtelecom SA 473
800 AS27775 473
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