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
901 Syrian Telecommunication Private Closed Joint Stock Company 438
902 Misaka Network, Inc. 438
903 cognetcloud INC 438
904 Gradwell Communications Limited ORG-GDCL2-RIPE 438
905 TURKCELL ILETISIM HIZMETLERI A.S. GLEIF verified 438
906 FR-GIE-AXA-TECHNOLOGY-SERVICES-FRANCE--LB_INTERNET 437
907 Coreix Ltd 436
908 RICH-AUDIENCE-TECHNOLOGIES-SL 436
909 ECO-D4417584-NET 436
910 VeriSign Infrastructure & Operations 434
911 Xplore Inc. GLEIF verified 434
912 National Bank Limited , Head Office 434
913 trafficforce, UAB 432
914 IT_HOST_BKPL 431
915 SERV.HOST GROUP LTD 431
916 Cyberia 430
917 GTT - EMEA Ltd. ORG-EA49-RIPE 430
918 OVH BE 429
919 Orange Burkina Faso 428
920 Netplus Broadband Services Private Limited GLEIF verified 428
921 SUPERLOOP (AUSTRALIA) PTY LTD GLEIF verified 426
922 GIGA MAIS FIBRA TELECOMUNICACOES S.A. 426
923 Zoom Video Communications, Inc GLEIF verified 426
924 Gilat Telecom Ltd. 424
925 SOK 424
926 HOS-737641 424
927 Hutchison 3G UK Limited GLEIF verified 423
928 Antonios A. Chariton 423
929 NovoServe B.V. GLEIF verified 423
930 Qnet LLC 423
931 FR-GROUPAMA-SUPPORTS-ET-SERVICES--LB_INTERNET 423
932 FASTWEB-GPON 423
933 Primus Telecommunications Canada Inc. GLEIF verified 422
934 GTT Communications Inc. ORG-GCI2-RIPE 420
935 Liquid Telecommunications Ltd 420
936 Delta Telecom Ltd 420
937 MADEALA TELECOM TECHNOLOGY INC 420
938 gl-TELENET 420
939 Etihad Etisalat, a joint stock company ORG-EE2-RIPE 419
940 SK-ORANGE-DNI-FTTH 419
941 IBMITALIASPA 419
942 Tertiary Education and Research Network of South Africa 418
943 Manquehuenet 418
944 Shellrent S.r.l. 417
945 FR-MATMUT--LB_INTERNET 417
946 Shinbiro 417
947 FreeBit Co.,Ltd. 416
948 Online Connect Ltd 416
949 IR-ASIATECH-NET 416
950 YoAfrica (Pvt) Ltd ORG-CABS1-AFRINIC 416
951 Company 64d34534neJmCMvU 416
952 ING Bank N.V. GLEIF verified 416
953 TENET 415
954 Orange Tunisie 415
955 FASTNET DATA INC 414
956 Ote SA (Hellenic Telecommunications Organisation) ORG-OSTO1-RIPE 412
957 SEMPRE TELECOMUNICACOES LTDA 412
958 Snowd Security OU 411
959 HOS-154686 411
960 Retelit Digital Services S.p.A. GLEIF verified 410
961 OOO "Sovremennye setevye tekhnologii" 410
962 Asiatech Data Transmission company 410
963 BOEHRINGERINGELHEIMITALIASPA 410
964 L63388 410
965 a50947208 410
966 NOWO COMMUNICATIONS, S.A. 409
967 TONGXIANG-LTD 408
968 WHG Hosting Services Ltd 408
969 AT&T Services, Inc. GLEIF verified 408
970 Glide Student & Residential Limited 407
971 HKBNES-HK 407
972 NetCrafters OU 407
973 FASTWEB-STAFF 407
974 Limestone Networks, Inc. 406
975 CATO NETWORKS LTD 405
976 Telecel S.A. GLEIF verified 405
977 DIGITAL NETWORK S.R.L. 405
978 NORTHLAND CABLE TELEVISION INC. GLEIF verified 404
979 Xelon AG GLEIF verified 404
980 MMSAIC-NET 404
981 WIDEBAND 402
982 Petersburg Internet Network ltd. 402
983 Norlys Telco A/S 402
984 Nexeon Technologies, Inc. 402
985 SC ITNS.NET SRL 401
986 OCTOPUS WEB SOLUTION INC 401
987 HEWLETT PACKARD ENTERPRISE COMPANY GLEIF verified 401
988 Private Customer 400
989 IPTP LTD 400
990 FiberPower LLC 399
991 TOYOTAMOTORITALIASPA 399
992 Telenet BV ORG-TA1-RIPE 399
993 MACROREGIONAL_CENTER 398
994 Ucom CJSC GLEIF verified 398
995 AS29550-infra 398
996 Solcon Internetdiensten B.V. ORG-SB2-RIPE 398
997 FR-EMEIS--LB_INTERNET 398
998 MHNET TELECOM 398
999 Mexico Red de Telecomunicaciones, S. de R.L. de C.V. 397
1000 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP 397
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