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
601 DLIVE 626
602 LEPIDASCPA 626
603 OZSERVERS 624
604 Naya Tel (Pvt.) Limited 623
605 TIN 622
606 VIETTEL (CAMBODIA) PTE., LTD 622
607 Sri Lanka Telecom Ltd ORG-SLTL1-AP 621
608 SKYDIGITAL TELECOM LTD 620
609 UBERMETRICS TECHNOLOGIES GMBH UBERMETRICS-TECHNOLOGIES-GMBH 619
610 Palestine Telecommunications Company (PALTEL) 619
611 FBTWOZERO 619
612 FR-CA-TECHNOLOGIES--LB_INTERNET 618
613 Netsec Limited 616
614 PCH AS3856 615
615 FR-INDIGO-PARK--LB_INTERNET 615
616 HOS-794811 614
617 Digital Core Technology Co Limited Digital_Core_Technology_Co_Limited 612
618 ROCHESPA 611
619 Research Organization of Information and Systems, National Institute of Informatics 611
620 TEDE-INFRA 610
621 Orion Network Limited 610
622 Prager Connect GmbH GLEIF verified 610
623 FASTWEB-VULA_Statico 609
624 PT Indonesia Comnets Plus 608
625 SWITCH, LTD GLEIF verified 607
626 Privex Inc. 607
627 CMC Telecom Infrastructure Company 607
628 Equidity Technologies LLC 607
629 Radware Ltd 606
630 JSC "Ukrtelecom" GLEIF verified 604
631 FR-INFOMIL 604
632 Kenya Education Network 603
633 FR-COVEA-AGORA--LB_INTERNET 602
634 AS6057 602
635 SkyNet Ltd. GLEIF verified 600
636 CMPak Limited 600
637 Rostelecom Rostelecom_net 600
638 MARKTGEMEIND-HWY-AT 599
639 Tcloudnet, Inc 598
640 AS52257 598
641 Vaioni Group Ltd 598
642 Fort IT Services Ltd 597
643 CNSERVERS LLC 597
644 MTS PJSC ORG-ZM1-RIPE 596
645 IBIS-PA-NET 595
646 Vodafone Telekomunikasyon A.S. GLEIF verified 594
647 Bank of America, National Association GLEIF verified 593
648 FIVENET-IN 592
649 Netflix Streaming Services Inc. 590
650 PINDROP 590
651 Comporium, Inc 589
652 STC BAHRAIN B.S.C CLOSED 588
653 TT Mobil Iletisim Hizmetleri A.S GLEIF verified 588
654 Broadnet Europe France 588
655 Teletek Bulut Bilisim ve Iletisim Hizmetleri A.S. ORG-TBBv1-RIPE 587
656 Vexus Fiber GLEIF verified 586
657 FR-INDIGO-PARK 585
658 Legaco Networks B.V. 585
659 ITPOLAND 584
660 SHYAM SPECTRA PVT LTD 584
661 FR-BASIC-FIT-II 584
662 Vodafone-panafon Hellenic Telecommunications Company SA 584
663 Telenet BV GLEIF verified 584
664 DAMA-NV 583
665 FR-BASIC-FIT-II--LB_INTERNET 583
666 ENTERPRISE-CLIENT 582
667 CHINANET SiChuan Telecom Internet Data Center 581
668 L121949 581
669 National Aeronautics and Space Administration 581
670 TierPoint, LLC GLEIF verified 581
671 Wananchi Group (Kenya) Limited 579
672 Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. 578
673 NHNCLOUD 578
674 BE-MOBILE-NV 578
675 NeoFiber Communications inc. 578
676 L107034 577
677 VOCUS PTY LTD GLEIF verified 576
678 FR-INFOMIL--LB_INTERNET 575
679 FR-MAIRIE--LB_INTERNET 575
680 Ishan's Network 575
681 Microscan Internet Limited 572
682 SingNet Pte Ltd 571
683 L67095 569
684 FR-ORANGE--LB_INTERNET 564
685 NTS workspace AG 563
686 Corbina Telecom AS48438 562
687 Zscaler Switzerland GmbH GLEIF verified 560
688 BEDGE CO LIMITED 560
689 AS265594 559
690 AS14117 559
691 WS Telecom Inc 559
692 JSC "Ufanet" 559
693 WorldStream B.V. GLEIF verified 559
694 IFX Corporation 558
695 RETELIT-X S.R.L. ORG-RS521-RIPE 557
696 QuickPacket, LLC 556
697 AS28343 553
698 CONG-TY-TNHH-GIAI-PHAP-MAY-CHU-VIETNAM 552
699 AS27773 550
700 ONEZEROZEROZEROS 549
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