IPv4 prefix
199.19.136.0/21
- IP Prefix (CIDR)
- 199.19.136.0/21
- Subnet Mask
- 255.255.248.0
- Address Count
- 2,048
- Owner
- Scholastic Inc.
- Handle
- SCHOLA-2
- Address
- 555 Broadway New York NY 10012 United States
- Registry
- ARIN
- Registered Prefix
- 199.19.136.0/21 (199.19.136.0 - 199.19.143.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 199.19.136.0/22 | More specific | AS10717 | Scholastic Inc. |
United States of America (US)
|
199.19.136.0 | 199.19.139.255 |
| 199.19.140.0/24 | More specific | AS29811 | Scholastic Inc. |
United States of America (US)
|
199.19.140.0 | 199.19.140.255 |
| 199.19.142.0/23 | More specific | AS10717 | Scholastic Inc. |
United States of America (US)
|
199.19.142.0 | 199.19.143.255 |