AS77 Johns Hopkins University Applied Physics Laboratory 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
66,048 (258 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
5
settlement-free adjacencies
Downstreams
0
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS77
- Name
- Johns Hopkins University Applied Physics Laboratory
- Organisation
- Johns Hopkins APL
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1986-05-05
- Network type
- Enterprise
- Scope
- Not Disclosed
- Peering policy
- Selective
- Website
- http://jhuapl.edu
- PeeringDB
- net/28754
- Exchanges
- 1
- Facilities
- 1
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
3 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 128.244.0.0/16 v4 | RPKI valid | 48 | 693977 | 2026-09-18 |
| 204.9.128.0/24 v4 | RPKI valid | 48 | 693977 | 2026-09-18 |
| 204.9.130.0/24 v4 | RPKI valid | 13 | 3772177 | 2026-09-18 |