AS5723
Johns Hopkins University — jhu.edu
Summary
| Country |
 United States
|
| Organization | Johns Hopkins University |
| Domain | jhu.edu |
| Number of IPv4 | 136,192 |
| Number of IPv6 | 7.9228× 1028 |
| AS Type | Education |
| Registry | ARIN |
| Allocated | September 06, 1995 (about 30 years ago) |
| Updated | September 08, 2020 (about 4 years ago) |
IP Ranges
AS5723 announces 9 IPv4 ranges and 1 IPv6 range.
That's a total of 136,192 IPv4 addresses and 7.9228× 1028 IPv6 addresses.
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 128.220.0.0/16 |
Johns Hopkins University
|
65,536 | ARIN | ALLOCATION |
| 162.129.0.0/16 |
The Johns Hopkins Medical Institutions
|
65,536 | ARIN | ALLOCATION |
| 192.12.13.0/24 |
Johns Hopkins University
|
256 | ARIN | ALLOCATION |
| 192.12.14.0/24 |
Johns Hopkins University
|
256 | ARIN | ALLOCATION |
| 198.57.32.0/21 |
Johns Hopkins All Children's Hospital, Inc.
|
2,048 | ARIN | ALLOCATION |
| 198.57.37.0/24 |
Johns Hopkins All Children's Hospital, Inc.
|
256 | ARIN | ALLOCATION |
| 198.57.39.0/24 |
Johns Hopkins All Children's Hospital, Inc.
|
256 | ARIN | ALLOCATION |
| 198.57.40.0/22 |
Johns Hopkins All Children's Hospital, Inc.
|
1,024 | ARIN | ALLOCATION |
| 204.124.184.0/22 |
Johns Hopkins All Children's Hospital, Inc.
|
1,024 | ARIN | ALLOCATION |
| Prefix | Organization | Size | Registry | Status |
|---|---|---|---|---|
| 2606:2b00::/32 |
Johns Hopkins University
|
7.9228× 1028 | ARIN | ALLOCATION |
Peers
AS5723 does not have any direct peering agreements. Instead, its global connectivity is achieved through transit providers. While this setup ensures comprehensive reach, future peering could reduce latency and optimize route efficiency.
Upstreams
AS5723 connects to the global Internet via at least 4 upstream providers. In this setup, AS5723 acts as a customer, subscribing to these transit services to obtain full BGP routing information and ensure reliable, redundant access to external networks.
Downstreams
AS5723 serves as a transit provider the following ASes, delivering the BGP routes needed for global connectivity. This downstream relationship underscores AS5723's role in extending Internet access beyond its own infrastructure.