IPv4 prefix
199.4.16.0/21
- IP Prefix (CIDR)
- 199.4.16.0/21
- Subnet Mask
- 255.255.248.0
- Address Count
- 2,048
- Owner
- McCann-Erickson, Inc.
- Handle
- MCCANN-1
- Address
- 622 3rd Avenue New York NY 10017 United States
- Registry
- ARIN
- Registered Prefix
- 199.4.16.0/21 (199.4.16.0 - 199.4.23.255)
- Delegated Prefix
- 199.4.24.0/22 (199.4.24.0 - 199.4.27.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 199.4.18.0/24 | More specific | AS17044 | THE INTERPUBLIC GROUP OF COMPANIES INC. |
United States of America (US)
|
199.4.18.0 | 199.4.18.255 |
| 199.4.18.0/24 | More specific | AS46713 | THE INTERPUBLIC GROUP OF COMPANIES INC. |
United States of America (US)
|
199.4.18.0 | 199.4.18.255 |