NETWORK INSIGHTS · NETWORK ENGINEERING
Autonomous Systems Ranked by IPv4 Space
This report shows the global list of active Autonomous Systems (AS) ranked by total advertised IPv4 addresses. Updated every two hours.
Showing 4,186–4,200 of 81,996 Autonomous Systems
| Rank ↑ | AS Number | Organisation | Total IPv4 Addresses |
|---|---|---|---|
| 4186 | AS12570 | CZ O2 Czech Republic, a.s. | 49,664 |
| 4187 | AS1206 | US Pittsburgh Supercomputing Center | 49,664 |
| 4188 | AS393337 | US The University of Hartford | 49,664 |
| 4189 | AS1704 | KR Korea Advanced Institute of Science and Technology | 49,664 |
| 4190 | AS24358 | CN CERNET2 IX at Huazhong University of Science and Technology | 49,664 |
| 4191 | AS23470 | US ReliableSite.Net LLC | 49,408 |
| 4192 | AS11071 | US InfoWest | 49,408 |
| 4193 | AS397179 | US Bridgewater College | 49,408 |
| 4194 | AS42925 | IL Internet Rimon LTD | 49,408 |
| 4195 | AS6620 | US AMA Communications, LLC | 49,408 |
| 4196 | AS15321 | CA Groupe Maskatel | 49,408 |
| 4197 | AS34772 | MK NEOTEL AD Skopje | 49,408 |
| 4198 | AS139831 | PH DITO TELECOMMUNITY CORPORATION | 49,408 |
| 4199 | AS15243 | US Widener University | 49,408 |
| 4200 | AS12638 | DE Telefonica Germany GmbH & Co.OHG | 49,152 |