AS21556 NASA Ames Research Center - E-root 🇺🇸 US
National Aeronautics and Space Administration. Announcing 4 prefixes, seen at the RIS collectors.
IPv4 prefixes
2
512 (2 × /24)
IPv6 prefixes
2
2 × /48
Upstreams
3
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
- AS21556
- Name
- NASA Ames Research Center - E-root
- Organisation
- National Aeronautics and Space Administration
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2012-11-01
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
4 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 192.12.28.0/24 v4 | no ROA | 39 | 34549291429721556 | 2026-09-18 |
| 192.203.230.0/24 v4 | no ROA | 50 | 4221556 | 2026-09-18 |
| 2001:500:a8::/48 v6 | no ROA | 42 | 4221556 | 2026-09-18 |
| 2620:126:e000::/48 v6 | no ROA | 34 | 38001291429721556 | 2026-09-18 |