AS397027 Block Line Systems, LLC 🇺🇸 US
Announcing 9 prefixes, seen at the RIS collectors.
IPv4 prefixes
9
3,840 (15 × /24)
IPv6 prefixes
0
-
Upstreams
3
transit providers observed
Peers
0
settlement-free adjacencies
Downstreams
1
transit customers observed
Customer cone
2
ASes reachable through it
Registry and operator data
- AS number
- AS397027
- Name
- Block Line Systems, LLC
- Organisation
- Block Line Systems, LLC
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2018-08-31
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 |
|---|---|---|---|---|
| 24.53.152.0/22 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.152.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.154.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.155.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.156.0/22 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.156.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.157.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.158.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |
| 24.53.159.0/24 v4 | no ROA | 48 | 6939397027 | 2026-09-18 |