IPv4 prefix
164.55.240.0/20
- IP Prefix (CIDR)
- 164.55.240.0/20
- Subnet Mask
- 255.255.240.0
- Address Count
- 4,096
- Owner
- FactSet Research Systems, Inc.
- Handle
- FRS-9-Z
- Address
- 601 Merritt 7 Norwalk CT 06851 United States
- Registry
- ARIN
- Registered Prefix
- 164.55.240.0/20 (164.55.240.0 - 164.55.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 164.55.240.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
164.55.240.0 | 164.55.241.255 |
| 164.55.242.0/24 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.242.0 | 164.55.242.255 |
| 164.55.243.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
164.55.243.0 | 164.55.243.255 |
| 164.55.244.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
164.55.244.0 | 164.55.244.255 |
| 164.55.245.0/24 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.245.0 | 164.55.245.255 |
| 164.55.246.0/24 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.246.0 | 164.55.246.255 |
| 164.55.247.0/24 | More specific | AS14618 | Amazon.com Inc. |
United States of America (US)
|
164.55.247.0 | 164.55.247.255 |
| 164.55.248.0/22 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.248.0 | 164.55.251.255 |
| 164.55.252.0/23 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.252.0 | 164.55.253.255 |
| 164.55.254.0/24 | More specific | AS6404 | FactSet Research Systems Inc. |
United States of America (US)
|
164.55.254.0 | 164.55.254.255 |
| 164.55.255.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
164.55.255.0 | 164.55.255.255 |