AS22238 Defense Advanced Research Projects Agency(DARPA) 🇺🇸 US
Announcing 6 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
1,536 (6 × /24)
IPv6 prefixes
0
-
Upstreams
2
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
0
ASes reachable through it
Registry and operator data
- AS number
- AS22238
- Name
- Defense Advanced Research Projects Agency(DARPA)
- Organisation
- Defense Advanced Research Projects Agency(DARPA)
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2001-08-23
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
6 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 158.63.2.0/24 v4 | no ROA | 40 | 3454917422238 | 2026-09-18 |
| 158.63.4.0/24 v4 | no ROA | 41 | 3454917422238 | 2026-09-18 |
| 158.63.250.0/24 v4 | no ROA | 41 | 3454917422238 | 2026-09-18 |
| 158.63.254.0/24 v4 | no ROA | 41 | 3454917422238 | 2026-09-18 |
| 192.5.18.0/24 v4 | no ROA | 41 | 3454917422238 | 2026-09-18 |
| 192.187.8.0/24 v4 | no ROA | 36 | 34549325717422238 | 2026-09-18 |