IPv4 prefix
199.15.136.0/21
- IP Prefix (CIDR)
- 199.15.136.0/21
- Subnet Mask
- 255.255.248.0
- Address Count
- 2,048
- Owner
- Regional Information Sharing Systems
- Handle
- RISSNE
- Address
- 545 Marriott Drive, STE850 Nashville TN 37214 United States
- Registry
- ARIN
- Registered Prefix
- 199.15.136.0/21 (199.15.136.0 - 199.15.143.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 199.15.136.0/23 | More specific | AS8070 | Microsoft Corporation |
United States of America (US)
|
199.15.136.0 | 199.15.137.255 |
| 199.15.138.0/24 | More specific | AS8070 | Microsoft Corporation |
United States of America (US)
|
199.15.138.0 | 199.15.138.255 |
| 199.15.140.0/22 | More specific | AS11826 | Regional Information Sharing Systems |
United States of America (US)
|
199.15.140.0 | 199.15.143.255 |