| US | AS70 | National Library of Medicine |
| US | AS22767 | National Aeronautics and Space Administration |
| US | AS3999 | Pennsylvania State University |
| US | AS3527 | National Institutes of Health |
| US | AS25631 | Gallaudet University |
| US | AS11131 | University of Maryland Baltimore County (UMBC) |
| US | AS27 | UMDNET |
| US | AS1848 | National Aeronautics and Space Administration |
| US | AS5723 | Johns Hopkins University |
| US | AS3257 | GTT Communications (AS3257) |
| US | AS42 | PCH AS42 |
| US | AS11956 | National Oceanic and Atmospheric Administration |
| US | AS7847 | NASA Goddard Space Flight Center |
| US | AS11164 | Internet2 I2PX |
| US | AS6059 | University of Maryland |
| SE | AS1299 | Arelion (Twelve99) |
| US | AS3356 | Lumen AS3356 |
| US | AS174 | Cogent Communications, Inc. |
| US | AS293 | Energy Sciences Network (ESnet) |
| US | AS6461 | Zayo |
| US | AS4901 | Capital Area Advanced Research and Education Network |
| US | AS11537 | UCAID |