AS55028 Kiewit Corporation 🇺🇸 US
Announcing 8 prefixes, seen at the RIS collectors.
IPv4 prefixes
6
3,584 (14 × /24)
IPv6 prefixes
2
4,097 × /48
Upstreams
1
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
- AS55028
- Name
- Kiewit Corporation
- Organisation
- Kiewit Corporation
- Country
- 🇺🇸 US
- RIR
- ARIN
- Allocated
- 2013-02-20
- Network type
- Enterprise
- Scope
- North America
- Peering policy
- Restrictive
- Website
- http://kiewit.com
- PeeringDB
- net/4647
- Facilities
- 7
RPKI coverage of this AS
Its own announcements, validated against the current ROA set
Announced prefixes
8 in total
| Prefix | RPKI | Peers | Sample path | First seen |
|---|---|---|---|---|
| 192.174.72.0/21 v4 | no ROA | 43 | 37721335655028 | 2026-09-18 |
| 192.174.72.0/23 v4 | no ROA | 44 | 37721335655028 | 2026-09-18 |
| 192.174.74.0/24 v4 | no ROA | 43 | 37721335655028 | 2026-09-18 |
| 192.174.75.0/24 v4 | no ROA | 43 | 37721335655028 | 2026-09-18 |
| 192.174.76.0/24 v4 | no ROA | 43 | 37721335655028 | 2026-09-18 |
| 192.174.78.0/24 v4 | no ROA | 44 | 37721335655028 | 2026-09-18 |
| 2620:1fc::/36 v6 | no ROA | 33 | 37721335655028 | 2026-09-18 |
| 2620:1fc:1::/48 v6 | no ROA | 33 | 37721335655028 | 2026-09-18 |