| Adecco IT Services | 204642 | Enterprise | View |
| Aixit GmbH | 29551 | NSP | View |
| Akamai Technologies | 20940 | Content | View |
| ALTEASYSTEMS | 215955 | Cable/DSL/ISP | View |
| Amazon.com | 16509 | Enterprise | View |
| ANX | 47147 | NSP | View |
| Arelion (Twelve99) | 1299 | NSP | View |
| ASK4 Ltd | 41230 | NSP | View |
| AtlasEdge | 59745 | NSP | View |
| Babiel | 198913 | Content | View |
| bn:t Blatzheim Networks Telecom | 20886 | Cable/DSL/ISP | View |
| Bradler & Krantz GmbH & Co. KG | 29141 | Content | View |
| ByteDance | 396986 | Content | View |
| CANCOM Managed Services GmbH | 8469 | Cable/DSL/ISP | View |
| Cloudflare | 13335 | Content | View |
| Cogent Communications, Inc. | 174 | NSP | View |
| Colt | 8220 | NSP | View |
| comtrance GmbH | 30962 | NSP | View |
| Core-Backbone | 33891 | NSP | View |
| Currenta | 200768 | - | View |
| Dembach Goo Informatik GmbH & Co KG | 44946 | Content | View |
| Deutsche Glasfaser | 60294 | Cable/DSL/ISP | View |
| Deutsche Telekom | 3320 | NSP | View |
| DEUTSCHE-GLASFASER | 8899 | Cable/DSL/ISP | View |
| DFN Deutsches Forschungsnetz e.V. | 680 | Educational/Research | View |
| dogado Internet GmbH | 45031 | Content | View |
| DOKOM21 | 15763 | Cable/DSL/ISP | View |
| dus.net GmbH | 40999 | NSP | View |
| DVV | 206141 | NSP | View |
| ecotel communication ag | 12312 | NSP | View |
| Edgio - AS22822 | 22822 | Content | View |
| EDT::Erdenreich Datentechnik GmbH | 13247 | NSP | View |
| epcan | 196954 | - | View |
| equada network GmbH | 25220 | Content | View |
| euNetworks Group | 13237 | NSP | View |
| EXARING AG | 51324 | Content | View |
| Factory Campus | 207160 | Cable/DSL/ISP | View |
| First Root UG AS41108 | 41108 | NSP | View |
| FNH media KG | 31197 | Content | View |
| Freifunk Düsseldorf | 207871 | Non-Profit | View |
| Freifunk Essen e.V. | 206356 | Non-Profit | View |
| Freifunk Rheinland e.V. | 201701 | Non-Profit | View |
| GALACTIX | 213434 | Enterprise | View |
| GELSEN-NET | 16024 | - | View |
| GHOSTnet | 12586 | NSP | View |
| Glasfaser Ruhr | 12329 | NSP | View |
| Global Village GmbH | 13039 | Cable/DSL/ISP | View |
| Globalways | 48918 | NSP | View |
| GLOBE Development GmbH | 12470 | NSP | View |
| GTT Communications (AS3257) | 3257 | NSP | View |
| Haendle & Korte | 44700 | Cable/DSL/ISP | View |
| HeLi NET Telekommunikation | 12355 | Cable/DSL/ISP | View |
| HKN GmbH | 12676 | NSP | View |
| HLkomm | 16097 | Cable/DSL/ISP | View |
| HRS | 28801 | Content | View |
| Hurricane Electric | 6939 | NSP | View |
| INFOnline GmbH | 43407 | Content | View |
| Init7 | 13030 | NSP | View |
| Inter.link | 5405 | NSP | View |
| Internet Access Center Duesseldorf | 16218 | Content | View |
| KEVAG Telekom GmbH | 12360 | Cable/DSL/ISP | View |
| KomMITT | 60522 | Cable/DSL/ISP | View |
| linefinity networks | 203440 | - | View |
| Luca Strick | 207510 | Educational/Research | View |
| LWLcom | 50629 | NSP | View |
| Mass Response / spusu | 51265 | Cable/DSL/ISP | View |
| Mauve Mailorder Software GmbH & Co. KG | 48821 | Content | View |
| MegaIX Europe Route Servers | 9033 | Route Server | View |
| Meta | 32934 | Content | View |
| Microsoft | 8075 | Content | View |
| MUENET | 200735 | - | View |
| NetCologne | 8422 | Cable/DSL/ISP | View |
| Netflix | 2906 | Content | View |
| netgo group | 58323 | NSP | View |
| NETHINKS | 8319 | NSP | View |
| NETMOUNTAINS | 57575 | NSP | View |
| Netskope | 55256 | Network Services | View |
| Netzquadrat | 15594 | NSP | View |
| NOAH FINLEY WOLF - THYRAKLES & NOAH1.NETWORK | 214033 | Network Services | View |
| noris network AG | 12337 | NSP | View |
| one.com Group AB and its subsidiaries | 8648 | Content | View |
| OpenCarrier eG | 41692 | NSP | View |
| PHILUNET GmbH | 205112 | NSP | View |
| Plus.line AG | 12306 | NSP | View |
| Plusnet GmbH | 20676 | NSP | View |
| Plusserver GmbH | 61157 | Content | View |
| PURtel.com | 62336 | Cable/DSL/ISP | View |
| Realtox Media | 207252 | NSP | View |
| Rechenzentrum der Finanzverwaltung NRW | 202283 | Enterprise | View |
| Redhosting | 39647 | NSP | View |
| Rekers Digitaltechnik | 204989 | Cable/DSL/ISP | View |
| RelAix Networks | 34953 | Cable/DSL/ISP | View |
| RETN | 9002 | NSP | View |
| rgi Datentechnik | 60316 | NSP | View |
| RTM Networks | 211344 | Cable/DSL/ISP | View |
| Savotex / Hansa IT | 60167 | Content | View |
| ScaleUp Technologies | 29014 | Content | View |
| Service-now.com | 16839 | Content | View |
| smartTERRA GmbH | 35548 | Content | View |
| SOCO Network Solutions GmbH | 12759 | Cable/DSL/ISP | View |
| SOPRADO GmbH | 20546 | Content | View |
| SpeedPartner GmbH | 34225 | Content | View |
| st-oneline GmbH | 31243 | Cable/DSL/ISP | View |
| Stadtwerke Soest | 49436 | Cable/DSL/ISP | View |
| Subspace | 32261 | - | View |
| Synergy Networks GmbH | 200086 | NSP | View |
| TELE AG | 58243 | NSP | View |
| TELEFLASH | 43140 | - | View |
| Telefónica Germany GmbH & Co. OHG | 6805 | NSP | View |
| Telemark | 203593 | NSP | View |
| Teliko | 29037 | Cable/DSL/ISP | View |
| Telxius Cable | 12956 | Cable/DSL/ISP | View |
| TERRA CLOUD Duesseldorf GmbH / WORTMANN AG | 5430 | NSP | View |
| Thales/Imperva | 19551 | Content | View |
| TIMEWARP IT Consulting | 207203 | - | View |
| Titan Networks | 20640 | Cable/DSL/ISP | View |
| TKRZ Stadtwerke | 42184 | NSP | View |
| Treml & Sturm Datentechnik GmbH | 25279 | Content | View |
| vitroconnect GmbH | 57353 | NSP | View |
| Vodafone Germany | 3209 | Cable/DSL/ISP | View |
| Vodafone Global Network | 1273 | NSP | View |
| Vodafone Kabel Deutschland GmbH | 31334 | Cable/DSL/ISP | View |
| Wemacom Telekommunikation | 51978 | Cable/DSL/ISP | View |
| WEMAConnect GmbH | 198726 | Cable/DSL/ISP | View |
| WIIT Group | 24961 | Content | View |
| WOBCOM | 9136 | Cable/DSL/ISP | View |
| WYSIWYG | 38948 | Content | View |
| xTom GmbH | 3214 | Cable/DSL/ISP | View |
| xTom Pty Ltd | 8888 | Cable/DSL/ISP | View |
| xTom San Jose | 6233 | Cable/DSL/ISP | View |
| Zayo | 6461 | NSP | View |
| 1&1 Versatel Deutschland | 8881 | Cable/DSL/ISP | View |