| Hosted Backbone Richmond1 | Hosted Backbone |  Richmond | — | — | — | PeeringDB |
| Hosting Data Center Cluj | Orange Romania S.A. (AS9050) |  Cluj Napoca | — | — | — | PeeringDB |
| Hrvatski Telekom | Hrvatski Telekom |  Croatia | — | — | — | OSM |
| Hub Europe | Contabo |  Germany | — | — | — | OSM |
| Hut 8 | Hut 8 |  Canada | — | — | — | OSM |
| Hut 8 GTA1 | Hut 8 Canada | Mississauga | — | — | — | PeeringDB |
| Hut 8 GTA2 | Hut 8 Canada | Vaughan | — | — | — | PeeringDB |
| Hut 8 KEL1 | Hut 8 Canada | Kelowna | — | — | — | PeeringDB |
| Hutchison 3G | — |  Wednesbury | — | — | — | OSM |
| IAD | Aligned | Ashburn | — | — | — | OSM |
| IBM Horsham | IBM | United Kingdom | — | — | — | OSM |
| IC2NET Data Center | IC2NET | Tustin | — | — | — | PeeringDB |
| ICE - Centro de Datos | ICE |  Costa Rica | — | — | — | OSM |
| ICE Datacenter | Verifying... |  Luleå | — | — | — | OSM |
| ICODIA NETWORK INTEGRITY | Icodia |  Cesson-Sévigné | — | — | — | PeeringDB |
| ICT Canada | ictTech Support | Waterloo | — | — | — | PeeringDB |
| ICT Center Vaduz | ICT Center Vaduz |  Vaduz | — | — | — | PeeringDB |
| IDC Teletalk | Teletalk |  Salvador | — | — | — | PeeringDB |
| IDTEL DC Jakarta | PT Inovasi Digital Telekomunikasi |  Jakarta Selatan | — | — | — | PeeringDB |
| IFP | IFP | France | — | — | — | OSM |
| IFX Networks - Lebrun | IFX Networks Venezuela C.A. |  Petare | — | — | — | PeeringDB |
| IFX Networks Venezuela - Credicard | IFX Networks Venezuela C.A. | Caracas | — | — | — | PeeringDB |
| IIJ | Internet Initiative Japan Inc.-IIJ |  Japan | — | — | — | OSM |
| IKB - Rechenzentrum Karwendel | Innsbrucker Kommunalbetriebe AG |  Innsbruck | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Culemborg | Relined Fiber Network |  Culemborg | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Dodewaard | Relined Fiber Network | Dodewaard | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Doetinchem | Relined Fiber Network | Doetinchem | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Eemshaven | Relined Fiber Network | Eemshaven | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Ens | Relined Fiber Network | Ens | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Fanø | Relined Fiber Network |  Fanø | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Hooghalen | Relined Fiber Network | Hooghalen | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Krimpen aan den IJssel | Relined Fiber Network | Krimpen aan den IJssel | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Lelystad | Relined Fiber Network | Lelystad | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Maasbracht | Relined Fiber Network | Maasbracht | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Middenmeer | Relined Fiber Network | Middenmeer | — | — | — | PeeringDB |
| ILA/Regeneration site PoP-Zwolle | Relined Fiber Network | Zwolle | — | — | — | PeeringDB |
| IM Datacenter | Biznesshosting, Inc. DBA VOLICO | Miami | — | 1 | — | PeeringDB |
| IMADIFF | IMA'DIFF | Paris | — | — | — | PeeringDB |
| INFRATEL Data Centre - Backup Facility | Infratel Corporation |  Lusaka | — | — | — | PeeringDB |
| INFRATEL Data Centre - Disaster Recovery | Infratel Corporation | Kitwe | — | — | — | PeeringDB |
| INFRATEL Data Centre - Production Centre | Infratel Corporation | Lusaka | — | — | — | PeeringDB |
| INSURENCE SURVICE CENTRE | — |  India | — | — | — | OSM |
| INTERNETWORK KOMUNIKASI INDONESIA | PT Internetwork Komunikasi Indonesia | Jakarta | — | — | — | PeeringDB |
| INTRED-DC-CRETA | Fibra Ottica Lombardia | Intred |  Brescia | — | — | — | PeeringDB |
| INTRED-DC-TAMBURINI | Fibra Ottica Lombardia | Intred | Brescia | — | — | — | PeeringDB |
| IONIC Digital Cedarvale | IONIC Digital | United States | — | — | — | OSM |
| IP-Only | IP-Only | Sweden | — | — | — | OSM |
| IPHOME M9 | IP-Home |  Moscow | — | — | — | PeeringDB |
| IPHOST Datacenter | IPHOST |  Moldova | — | — | — | OSM |
| IPTelecom ltd. | [email protected] | Ulyanovsk | — | — | — | PeeringDB |
| IRIX DC | — |  Kuching | — | — | — | OSM |
| IS Internet Solutions Ghana | IS InternetSolutions |  Accra | — | — | — | PeeringDB |
| ISIS-COM Datacenter Szombathely | ISIS-COM |  Szombathely | — | — | — | PeeringDB |
| ISP PODRYAD | Интернет-провайдер Подряд | Vladivostok | — | — | — | PeeringDB |
| ISPPro.al | — |  Albania | — | — | — | OSM |
| ISPTEC Telecomunicacoes | ISPTEC - Telecomunicações e Data Center | Campina Grande | — | — | — | OSM |
| ISS Data Centre South (DCS) | — |  Ireland | — | — | — | OSM |
| ISSDC | ISSDC | India | — | — | — | OSM |
| IT | — | United States | — | — | — | OSM |
| IT Service Centre | Hochschul-IT-Zentrum | Germany | — | — | — | OSM |
| IT- und Data Center Linz | — | Austria | — | — | — | OSM |
| IT- und Data Center Linz | LINZ NETZ GmbH | Austria | — | — | — | OSM |
| IT- und Data Center Urfahr | LINZ AG TELEKOM | Linz | — | — | — | OSM |
| IT- und Medienzentrum | Universität Rostock | Germany | — | — | — | OSM |
| ITD Network SA Access Colocation Center | ITD Network |  Sofia | — | — | — | PeeringDB |
| ITD Network SA Core Colocation center | ITD Network | Sofia | — | — | — | PeeringDB |
| ITENOS Berlin (BER1) | ITENOS | Kleinmachnow | — | — | — | PeeringDB |
| ITENOS München (MUC1) | ITENOS | Garching | — | — | — | PeeringDB |
| ITI-IX-T233 | Independent Telecom Innovations LLC / tm ITI-IX |  Tashkent | — | 1 | — | PeeringDB |
| ITRIO EDGE SP3 | ITRIO SERVIÇOS DE INTERNET LTDA | Santana de Parnaiba | — | — | — | PeeringDB |
| ITSMZ | — | Wismar | — | — | — | OSM |
| ITsjefen NDC2 | ITsjefen |  Trondheim | — | — | — | PeeringDB |
| ITsjefen NDC4 | ITsjefen | Trondheim | — | — | — | PeeringDB |
| IUKANET Datacenter | IUKANET |  Alfafar | — | — | — | PeeringDB |
| IX Liverpool - MICT | IX Liverpool | Liverpool | — | — | — | PeeringDB |
| IXPlay Neutral Acces Point | IXPlay Neutral Datacenter | Benahavis | — | — | — | PeeringDB |
| IXTech Limited | IXTech |  Hong Kong | — | — | — | PeeringDB |
| IXcellerate South MOS5 | IXcellerate | Russia | — | — | — | OSM |
| Imperium 315 | NYSE Euronext | Basildon | — | — | — | OSM |
| Indiana University Data Center | Indiana University | Bloomington | — | — | — | PeeringDB |
| Indonusa System Integrator Prima | Indonusa | Jakarta | — | — | — | PeeringDB |
| Inexio | — | Germany | — | — | — | OSM |
| Information Systems Facility | WSMR | White Sands | — | — | — | OSM |
| Information Technology Center | — |  Sri Lanka | — | — | — | OSM |
| Information Technology Data Center | Phillips Exeter Academy | United States | — | — | — | OSM |
| InfreschiLab | Andrea | Italy | — | — | — | OSM |
| Infynix Bengaluru | infynix.in | Bangalore | — | — | — | PeeringDB |
| Ingresos Club Axion | — |  Argentina | — | — | — | OSM |
| Insidesign IDC RPO | Insidesign | Ribeirão Preto | — | — | — | PeeringDB |
| Insight Data Ltd | Insight Data | Weston-super-Mare | — | — | — | OSM |
| Institute for Micro-Credentials and Language Center | — |  Philippines | — | — | — | OSM |
| Intacture | TRENTINO DATAMINE | Italy | — | — | — | OSM |
| Intellicentre 4 (IC4) | Macquarie Data Centres |  Canberra | — | — | — | PeeringDB |
| Intellicentre 4 Bunker | Macquarie Data Centres | Australia | — | — | — | OSM |
| Intellicentre 5 Bunker | Macquarie Data Centres | Australia | — | — | — | OSM |
| Inter Fiber | Inter Fiber |  Peague 3 | — | — | — | PeeringDB |
| InterConnX Realty | InterConnX Realty | Houston | — | — | — | PeeringDB |
| InterConnect Datacenter | InterConnect | Bucharest | — | — | — | PeeringDB |
| InterServer Teb4 | Interserver | Secaucus | — | — | — | PeeringDB |
| Intergate Columbia | — | United States | — | — | — | OSM |