AS15258 Gilbane Building Company 🇺🇸 US
Announcing 3 prefixes, seen at the RIS collectors.
IPv4 prefixes
3
768 (3 × /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
- AS15258
- Name
- Gilbane Building Company
- Organisation
- Gilbane Building Company
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2009-01-13
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 |
|---|---|---|---|---|
| 204.90.12.0/24 v4 | no ROA | 41 | 3454912992277315258 | 2026-09-18 |
| 204.90.13.0/24 v4 | no ROA | 42 | 377211583015258 | 2026-09-18 |
| 204.90.14.0/24 v4 | no ROA | 42 | 377211583015258 | 2026-09-18 |