| 128.220.0.0/16 | JHU-Z | Johns Hopkins University, US |
| 162.129.0.0/16 | JHMI-Z | The Johns Hopkins Medical Institutions, US |
| 192.12.13.0/24 | JHU-Z | Johns Hopkins University, US |
| 192.12.14.0/24 | JHU-Z | Johns Hopkins University, US |
| 198.57.32.0/21 | NETBLK-ALLCHILDHOSP | Johns Hopkins All Children's Hospital, Inc., US |
| 198.57.39.0/24 | NETBLK-ALLCHILDHOSP | Johns Hopkins All Children's Hospital, Inc., US198.57.32.0/21 |
| 198.57.40.0/22 | NETBLK-ALLCHILDHOSP | Johns Hopkins All Children's Hospital, Inc., US |
| 204.124.184.0/22 | ACH-1-Z | Johns Hopkins All Children's Hospital, Inc., US |
uu: 174, 3356, 6939 u4: 174, 3356, 6939 u6: 6939 dd: 77 d4: 77 d6:
| AS77 | ➤ downstream | JHUAPL-AS Johns Hopkins University Applied Physics Laboratory, US |
| AS174 | 🔼 upstream | COGENT-174 Cogent Communications LLC, US |
| AS3356 | 🔼 upstream | LEVEL3 Level 3 Parent LLC, US |
| AS6939 | 🔼 upstream | HURRICANE Hurricane Electric LLC, US |
| AS10886 | ➡️ peer | MAX-GIGAPOP University of Maryland, US |
| AS11096 | ➡️ peer | FLORIDANET FloridaNet, US |