AS11951 Medical Computer Systems 🇺🇸 US
Announcing 10 prefixes, seen at the RIS collectors.
IPv4 prefixes
10
38,656 (151 × /24)
IPv6 prefixes
0
-
Upstreams
2
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
- AS11951
- Name
- Medical Computer Systems
- Organisation
- Medical Computer Systems
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 1999-02-12
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
10 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 66.186.128.0/20 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 66.186.129.0/24 v4 | no ROA | 43 | 3772133563365711951 | 2026-09-18 |
| 204.152.42.0/23 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 204.152.42.0/24 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 205.147.160.0/19 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 207.152.128.0/18 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 207.152.134.0/24 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 207.152.135.0/24 v4 | no ROA | 42 | 3772133563365711951 | 2026-09-18 |
| 209.50.192.0/19 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |
| 209.50.193.0/24 v4 | no ROA | 41 | 3454917411951 | 2026-09-18 |