IPv4 prefix
18.172.0.0/15
- IP Prefix (CIDR)
- 18.172.0.0/15
- Subnet Mask
- 255.254.0.0
- Address Count
- 131,072
- Owner
- Amazon.com, Inc.
- Handle
- AMAZON-4
- Address
- 1918 8th Ave SEATTLE WA 98101-1244 United States
- Registry
- ARIN
- Registered Prefix
- 18.172.0.0/15 (18.172.0.0 - 18.173.255.255)
- Delegated Prefix
- 18.128.0.0/9 (18.128.0.0 - 18.255.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 18.172.0.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.0.0 | 18.172.7.255 |
| 18.172.8.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.8.0 | 18.172.9.255 |
| 18.172.10.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.10.0 | 18.172.10.255 |
| 18.172.13.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.13.0 | 18.172.13.255 |
| 18.172.14.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.14.0 | 18.172.15.255 |
| 18.172.16.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.16.0 | 18.172.23.255 |
| 18.172.24.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.24.0 | 18.172.25.255 |
| 18.172.28.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.28.0 | 18.172.31.255 |
| 18.172.32.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.32.0 | 18.172.39.255 |
| 18.172.40.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.40.0 | 18.172.40.255 |
| 18.172.43.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.43.0 | 18.172.43.255 |
| 18.172.44.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.44.0 | 18.172.47.255 |
| 18.172.48.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.48.0 | 18.172.55.255 |
| 18.172.58.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.58.0 | 18.172.59.255 |
| 18.172.60.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.60.0 | 18.172.63.255 |
| 18.172.64.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.64.0 | 18.172.67.255 |
| 18.172.68.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.68.0 | 18.172.69.255 |
| 18.172.70.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.70.0 | 18.172.70.255 |
| 18.172.88.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.88.0 | 18.172.95.255 |
| 18.172.96.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.96.0 | 18.172.99.255 |
| 18.172.100.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.100.0 | 18.172.100.255 |
| 18.172.103.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.103.0 | 18.172.103.255 |
| 18.172.104.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.104.0 | 18.172.111.255 |
| 18.172.112.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.112.0 | 18.172.115.255 |
| 18.172.118.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.118.0 | 18.172.119.255 |
| 18.172.120.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.120.0 | 18.172.127.255 |
| 18.172.128.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.128.0 | 18.172.129.255 |
| 18.172.130.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.130.0 | 18.172.130.255 |
| 18.172.133.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.133.0 | 18.172.133.255 |
| 18.172.134.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.134.0 | 18.172.135.255 |
| 18.172.136.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.136.0 | 18.172.143.255 |
| 18.172.144.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.144.0 | 18.172.145.255 |
| 18.172.148.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.148.0 | 18.172.151.255 |
| 18.172.152.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.152.0 | 18.172.159.255 |
| 18.172.160.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.160.0 | 18.172.160.255 |
| 18.172.163.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.163.0 | 18.172.163.255 |
| 18.172.164.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.164.0 | 18.172.167.255 |
| 18.172.168.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.168.0 | 18.172.175.255 |
| 18.172.178.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.178.0 | 18.172.179.255 |
| 18.172.180.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.180.0 | 18.172.183.255 |
| 18.172.184.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.184.0 | 18.172.187.255 |
| 18.172.188.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.188.0 | 18.172.189.255 |
| 18.172.190.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.190.0 | 18.172.190.255 |
| 18.172.193.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.193.0 | 18.172.193.255 |
| 18.172.194.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.194.0 | 18.172.195.255 |
| 18.172.196.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.196.0 | 18.172.199.255 |
| 18.172.200.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.200.0 | 18.172.203.255 |
| 18.172.204.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.204.0 | 18.172.205.255 |
| 18.172.208.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.208.0 | 18.172.215.255 |
| 18.172.216.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.216.0 | 18.172.219.255 |
| 18.172.220.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.220.0 | 18.172.220.255 |
| 18.172.223.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.223.0 | 18.172.223.255 |
| 18.172.224.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.224.0 | 18.172.231.255 |
| 18.172.232.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.232.0 | 18.172.235.255 |
| 18.172.238.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.238.0 | 18.172.239.255 |
| 18.172.240.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.240.0 | 18.172.247.255 |
| 18.172.248.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.248.0 | 18.172.249.255 |
| 18.172.250.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.250.0 | 18.172.250.255 |
| 18.172.253.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.253.0 | 18.172.253.255 |
| 18.172.254.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.172.254.0 | 18.172.255.255 |
| 18.173.0.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.0.0 | 18.173.7.255 |
| 18.173.8.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.8.0 | 18.173.9.255 |
| 18.173.12.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.12.0 | 18.173.15.255 |
| 18.173.16.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.16.0 | 18.173.23.255 |
| 18.173.24.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.24.0 | 18.173.24.255 |
| 18.173.27.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.27.0 | 18.173.27.255 |
| 18.173.28.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.28.0 | 18.173.31.255 |
| 18.173.32.0/19 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.32.0 | 18.173.63.255 |
| 18.173.64.0/19 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.64.0 | 18.173.95.255 |
| 18.173.96.0/20 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.96.0 | 18.173.111.255 |
| 18.173.112.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.112.0 | 18.173.112.255 |
| 18.173.115.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.115.0 | 18.173.115.255 |
| 18.173.116.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.116.0 | 18.173.119.255 |
| 18.173.120.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.120.0 | 18.173.127.255 |
| 18.173.130.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.130.0 | 18.173.131.255 |
| 18.173.132.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.132.0 | 18.173.135.255 |
| 18.173.136.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.136.0 | 18.173.139.255 |
| 18.173.140.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.140.0 | 18.173.141.255 |
| 18.173.142.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.142.0 | 18.173.142.255 |
| 18.173.145.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.145.0 | 18.173.145.255 |
| 18.173.146.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.146.0 | 18.173.147.255 |
| 18.173.148.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.148.0 | 18.173.149.255 |
| 18.173.150.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.150.0 | 18.173.150.255 |
| 18.173.153.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.153.0 | 18.173.153.255 |
| 18.173.154.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.154.0 | 18.173.155.255 |
| 18.173.156.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.156.0 | 18.173.159.255 |
| 18.173.160.0/20 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.160.0 | 18.173.175.255 |
| 18.173.176.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.176.0 | 18.173.177.255 |
| 18.173.178.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.178.0 | 18.173.178.255 |
| 18.173.183.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.183.0 | 18.173.183.255 |
| 18.173.184.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.184.0 | 18.173.191.255 |
| 18.173.192.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.192.0 | 18.173.199.255 |
| 18.173.200.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.200.0 | 18.173.200.255 |
| 18.173.203.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.203.0 | 18.173.203.255 |
| 18.173.204.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.204.0 | 18.173.207.255 |
| 18.173.208.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.208.0 | 18.173.215.255 |
| 18.173.223.0/24 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.223.0 | 18.173.223.255 |
| 18.173.224.0/21 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.224.0 | 18.173.231.255 |
| 18.173.232.0/22 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.232.0 | 18.173.235.255 |
| 18.173.246.0/23 | More specific | AS16509 | Amazon.com Inc. |
United States of America (US)
|
18.173.246.0 | 18.173.247.255 |
Showing the first 100 announced prefixes. Additional more-specific announcements were omitted.