AS5723 Johns Hopkins University 🇺🇸 US
Announcing 9 prefixes, seen at the RIS collectors.
IPv4 prefixes
8
135,936 (531 × /24)
IPv6 prefixes
1
1 × /32
Upstreams
5
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS5723
- Name
- Johns Hopkins University
- Organisation
- Johns Hopkins University
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1995-09-06
- Scope
- Not Disclosed
- Peering policy
- Selective
- IRR as-set
- AS5723:AS-5723-ALL
- Website
- http://jhu.edu
- PeeringDB
- net/27265
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
9 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.220.0.0/16 v4 | RPKI valid | 49 | 69395723 | 2026-09-18 |
| 162.129.0.0/16 v4 | RPKI valid | 49 | 69395723 | 2026-09-18 |
| 192.12.13.0/24 v4 | RPKI valid | 49 | 69395723 | 2026-09-18 |
| 192.12.14.0/24 v4 | RPKI valid | 49 | 69395723 | 2026-09-18 |
| 198.57.32.0/21 v4 | RPKI valid | 48 | 354933565723 | 2026-09-18 |
| 198.57.39.0/24 v4 | RPKI valid | 48 | 69395723 | 2026-09-18 |
| 198.57.40.0/22 v4 | RPKI valid | 48 | 354933565723 | 2026-09-18 |
| 204.124.184.0/22 v4 | RPKI valid | 49 | 69395723 | 2026-09-18 |
| 2606:2b00::/32 v6 | RPKI valid | 39 | 69395723 | 2026-09-18 |