Blocks sold in pieces · IPv4 · 131,072 addresses
204.228.0.0/15
Sold in pieces
- Sellers
- WestNet, Inc., WestNet Inc.
- Pieces
- 14 since 2008-12-01, the latest on 2019-08-20
- Share sold
- 50% (65,280 of 131,072 addresses)
- Buyers
- Adams 12, ECS-Infrastructure, ITHAKA Harbors, Inc., National Weather Service Western Region Headquarters, University of Arizona, University of Colorado Boulder, University of Idaho
Now
- ARIN statistics
- Allocated (dated 1995-01-12), allocated (dated 2020-01-31), allocated (dated 2025-07-24) (US), in the latest file
The block as ARIN's statistics listed it on 2008-11-27 or the day before a piece was transferred, whichever is larger. Registries often list what's left in smaller records after a sale.
The pieces
| Date | Piece | What happened | From | To |
|---|---|---|---|---|
| 2018-07-27 | 204.228.89.0/24 | Merger/acquisition | WestNet, Inc. ARIN | Adams 12 ARIN |
| 2018-07-27 | 204.228.90.0/23 | Merger/acquisition | WestNet, Inc. ARIN | Adams 12 ARIN |
| 2018-07-27 | 204.228.92.0/22 | Merger/acquisition | WestNet, Inc. ARIN | Adams 12 ARIN |
| 2018-07-27 | 204.228.96.0/19 | Merger/acquisition | WestNet, Inc. ARIN | Adams 12 ARIN |
| 2018-10-01 | 204.228.68.0/22 | Merger/acquisition | WestNet, Inc. ARIN | ECS-Infrastructure ARIN |
| 2018-10-10 | 204.229.192.0/18 | Merger/acquisition | WestNet, Inc. ARIN | University of Arizona ARIN |
| 2018-10-29 | 204.228.192.0/18 | Merger/acquisition | WestNet, Inc. ARIN | University of Idaho ARIN |
| 2018-10-29 | 204.229.0.0/19 | Merger/acquisition | WestNet, Inc. ARIN | University of Idaho ARIN |
| 2018-10-29 | 204.229.96.0/19 | Merger/acquisition | WestNet, Inc. ARIN | University of Idaho ARIN |
| 2018-11-29 | 204.228.170.0/24 | Merger/acquisition | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN |
| 2018-11-29 | 204.228.175.0/24 | Merger/acquisition | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN |
| 2018-11-29 | 204.228.176.0/20 | Merger/acquisition | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN |
| 2019-05-14 | 204.228.64.0/24 | Merger/acquisition | WestNet, Inc. ARIN | ITHAKA Harbors, Inc. ARIN |
| 2019-08-20 | 204.228.80.0/24 | Merger/acquisition | WestNet Inc. ARIN | University of Colorado Boulder ARIN |
Transfer records (33)
| Date (UTC) | Log | Type | Range moved | From | To |
|---|---|---|---|---|---|
| ARIN | Resource transfer | 204.228.192.0/18 | University of Idaho ARIN | ARK Data Centers LLC ARIN | |
| ARIN | Merger acquisition | 204.228.65.0/24 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.66.0/23 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.72.0/21 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.82.0/23 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.84.0/22 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.88.0/24 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.171.0/24 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.172.0/23 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.228.174.0/24 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.229.32.0/19 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Merger acquisition | 204.229.64.0/19 | WestNet, Inc. ARIN | Westnet Education and Research Consortium ARIN | |
| ARIN | Resource transfer | 204.228.128.0/19 | Utah Education Network ARIN | XMission, L.C. ARIN | |
| ARIN | Merger acquisition | 204.228.81.0/24 | WestNet, Inc. ARIN | County of Grand, East Grand School District #2 ARIN | |
| ARIN | Merger acquisition | 204.228.80.0/24 | WestNet Inc. ARIN | University of Colorado Boulder ARIN | |
| ARIN | Merger acquisition | 204.228.64.0/24 | WestNet, Inc. ARIN | ITHAKA Harbors, Inc. ARIN | |
| ARIN | Merger acquisition | 204.228.128.0/19 | WestNet, Inc. ARIN | Utah Education Network ARIN | |
| ARIN | Merger acquisition | 204.228.160.0/21 | WestNet, Inc. ARIN | Utah Education Network ARIN | |
| ARIN | Merger acquisition | 204.228.168.0/23 | WestNet, Inc. ARIN | Utah Education Network ARIN | |
| ARIN | Merger acquisition | 204.229.128.0/18 | WestNet, Inc. ARIN | University of Wyoming ARIN | |
| ARIN | Merger acquisition | 204.228.170.0/24 | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN | |
| ARIN | Merger acquisition | 204.228.175.0/24 | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN | |
| ARIN | Merger acquisition | 204.228.176.0/20 | WestNet, Inc. ARIN | National Weather Service Western Region Headquarters ARIN | |
| ARIN | Merger acquisition | 204.228.192.0/18 | WestNet, Inc. ARIN | University of Idaho ARIN | |
| ARIN | Merger acquisition | 204.229.0.0/19 | WestNet, Inc. ARIN | University of Idaho ARIN | |
| ARIN | Merger acquisition | 204.229.96.0/19 | WestNet, Inc. ARIN | University of Idaho ARIN | |
| ARIN | Merger acquisition | 204.228.0.0/18 | WestNet, Inc. ARIN | University of Arizona ARIN | |
| ARIN | Merger acquisition | 204.229.192.0/18 | WestNet, Inc. ARIN | University of Arizona ARIN | |
| ARIN | Merger acquisition | 204.228.68.0/22 | WestNet, Inc. ARIN | ECS-Infrastructure ARIN | |
| ARIN | Merger acquisition | 204.228.89.0/24 | WestNet, Inc. ARIN | Adams 12 ARIN | |
| ARIN | Merger acquisition | 204.228.90.0/23 | WestNet, Inc. ARIN | Adams 12 ARIN | |
| ARIN | Merger acquisition | 204.228.92.0/22 | WestNet, Inc. ARIN | Adams 12 ARIN | |
| ARIN | Merger acquisition | 204.228.96.0/19 | WestNet, Inc. ARIN | Adams 12 ARIN |
Every record in the registries' transfer logs that moved any part of this block. A transfer between two registries is in both logs.