Amazon Web Services (AWS) networking: public IP address and …
Originally posted on Lucian’s blog over at
Amazon Web Services (AWS) has many data centre’s in many continents and countries all over the world. AWS has two key grouping methods of these data centres: regions and availability zones.
It can be very handy to either reference the IP address or subnet of a particular service in say a proxy server to streamline connectivity. This is a good practice to avoid unnecessary latency via proxy authentication requests. Below is an output of Amazon Web Services IP address and subnet details split into the key categories as listed by AWS via thier publishing of information through the IP address JSON file available here.
Sidebar: Click here to read up more on regions and availability zones or click here or click here. Included in these references is also information about the DNS endpoints for services that are therefore IP address agnostic. Also, If you’d like more details about the JSON file click here.
The main reason I’ve put this post together is for a quick reference of IPs. Working on some AWS lab work recently I need to amend a proxy rule whereby I needed bypass the proxy for accessing an Amazon service. Getting the info quickly out of the public JSON file wasn’t… So for my benefit and yours, here’s the Amazon Web Services public IP address information as of 27 April 2015 (please note this is subject to change):
All IP address subnet information
IP ADDRESS / SUBNET
27. 0. 0/22
Asia Pacific (Tokyo)
46. 51. 224. 0/19
52. 68. 0/15
54. 64. 92. 0/17
54. 95. 0/16
54. 150. 168. 178. 199. 231. 0/21
54. 238. 239. 52. 0/23
54. 96. 0/24
54. 240. 200. 225. 248. 250. 0/16
103. 4. 8. 0/21
103. 246. 0/23
175. 41. 192. 0/18
176. 32. 0/19
176. 34. 0/19
Asia Pacific (Singapore)
43. 193. 0/24
46. 216. 0/21
46. 137. 0/19
46. 74. 151. 128. 169. 179. 0/22
54. 226. 227. 251. 254. 255. 148. 0/23
203. 83. 220. 0/22
Asia Pacific (Sydney)
54. 66. 79. 153. 206. 252. 203. 204. 253. 222. 0/20
54. 223. 208. 0/20
52. 28. 0/16
52. 93. 0/19
54. 54. 56. 236. 0/18
52. 16. 72. 76. 78. 154. 155. 170. 194. 228. 229. 99. 100. 114. 197. 247. 0/16
79. 125. 0/17
87. 80. 0/21
176. 104. 0/17
185. 48. 120. 182. 0/16
GLOBAL / All regions
54. 230. 0/18
204. 164. 0/22
204. 174. 0/23
204. 176. 0/20
205. 249. 0/24
216. 94. 0/16
South America (Sao Paulo)
54. 207. 232. 233. 244. 0/22
177. 71. 0/17
23. 20. 0/14
US East (N. Virginia)
50. 19. 0/16
54. 88. 144. 152. 156. 160. 172. 196. 198. 210. 221. 234. 98. 108. 242. 0/15
67. 202. 0/18
72. 21. 0/19
72. 44. 0/19
75. 101. 0/17
174. 129. 0/16
184. 73. 0/16
207. 171. 0/20
US, North western, Government only
96. 127. 0/17
50. 18. 0/16
US West (N. California)
52. 67. 183. 215. 219. 241. 112. 0/21
US West (Oregon)
52. 10. 12. 24. 184. 212. 214. 218. 2. 245. 0/25
Route53 and health checks
54. 31. 128/26
176. 159. 192/26
54. 40. 64/26
177. 243. 192/26
107. 23. 0/26
Amazon EC2 instance IP addressing – Amazon Elastic Compute Cloud
Amazon EC2 and Amazon VPC support both the IPv4 and IPv6 addressing protocols. By
default, Amazon EC2 and
Amazon VPC use the IPv4 addressing protocol; you can’t disable this behavior. When
you create a
VPC, you must specify an IPv4 CIDR block (a range of private IPv4 addresses). You
optionally assign an IPv6 CIDR block to your VPC and subnets, and assign IPv6 addresses
that block to instances in your subnet. IPv6 addresses are reachable over the Internet.
more information about IPv6, see IP Addressing
in Your VPC in the Amazon VPC User Guide.
Private IPv4 addresses and internal DNS hostnames
Public IPv4 addresses and external DNS hostnames
Elastic IP addresses (IPv4)
Amazon DNS server
Work with the IPv4 addresses for your instances
Work with the IPv6 addresses for your
Multiple IP addresses
A private IPv4 address is an IP address that’s not reachable over the Internet. You
private IPv4 addresses for communication between instances in the same VPC.
For more information about the standards and specifications of
private IPv4 addresses, see RFC
1918. We allocate private IPv4 addresses to instances using DHCP.
You can create a VPC with a publicly routable CIDR block that falls outside of the
IPv4 address ranges specified in RFC 1918. However, for the purposes of this
documentation, we refer to private IPv4 addresses (or ‘private IP addresses’)
IP addresses that are within the IPv4 CIDR range of your VPC.
When you launch an instance, we allocate a primary private IPv4 address for the instance.
Each instance is also given an internal DNS hostname that resolves to the primary
private IPv4 address; for example, ternal.
You can use the internal DNS hostname for communication between instances in the same
VPC, but we can’t resolve the internal DNS hostname outside of the VPC.
An instance receives a primary private IP address from the IPv4 address range of the
For more information, see VPC and
subnet sizing in the Amazon VPC User Guide. If you don’t
specify a primary private IP address when you launch the instance, we select an
available IP address in the subnet’s IPv4 range for you. Each instance has a default
network interface (eth0) that is assigned the primary private IPv4 address. You
specify additional private IPv4 addresses, known as secondary private IPv4
addresses. Unlike primary private IP addresses, secondary private IP
addresses can be reassigned from one instance to another. For more information,
Multiple IP addresses.
A private IPv4 address, regardless of whether it is a primary or secondary address,
associated with the network interface when the instance is stopped and started,
hibernated and started, and is released when the instance is terminated.
A public IP address is an IPv4 address that’s reachable from the Internet. You can
public addresses for communication between your instances and the Internet.
Each instance that receives a public IP address is also given an external DNS hostname;
example, We resolve an external DNS
hostname to the public IP address of the instance from outside its VPC, and to
IPv4 address of the instance from inside its VPC. The public IP address is mapped
primary private IP address through network address translation (NAT). For more
see RFC 1631: The IP Network Address
When you launch an instance in a default VPC, we assign it a public IP address by
When you launch an instance into a nondefault VPC, the subnet has an attribute
determines whether instances launched into that subnet receive a public IP address
the public IPv4 address pool. By default, we don’t assign a public IP address to
instances launched in a nondefault subnet.
You can control whether your instance receives a public IP address as follows:
Modifying the public IP addressing attribute of your subnet. For more information,
the public IPv4 addressing attribute for your subnet in the
Amazon VPC User Guide.
Enabling or disabling the public IP addressing feature during launch, which
overrides the subnet’s public IP addressing attribute. For more information,
Assign a public IPv4 address during instance launch.
A public IP address is assigned to your instance from Amazon’s pool of public IPv4
addresses, and is not associated with your AWS account. When a public IP address
disassociated from your instance, it is released back into the public IPv4 address
and you cannot reuse it.
You cannot manually associate or disassociate a public IP (IPv4) address from your
Instead, in certain cases, we release the public IP address from your instance,
assign it a new one:
We release your instance’s public IP address when it is stopped, hibernated, or
terminated. Your stopped or hibernated instance receives a new public IP address
when it is started.
We release your instance’s public IP address when you associate an Elastic IP address
with it. When you disassociate the Elastic IP address from your instance, it
receives a new public IP address.
If the public IP address of your instance in a VPC has been released, it will
not receive a new one if there is more than one network interface attached to
If your instance’s public IP address is released while it has a
secondary private IP address that is associated with an Elastic IP address,
instance does not receive a new public IP address.
If you require a persistent public IP address that can be associated to and from instances
require, use an Elastic IP address instead.
If you use dynamic DNS to map an existing DNS name to a new instance’s public IP
address, it might take up to 24 hours for the IP address to propagate through the
Internet. As a result, new instances might not receive traffic while terminated
instances continue to receive requests. To solve this problem, use an Elastic IP
address. You can allocate your own Elastic IP address, and associate it with your
instance. For more information, see Elastic IP addresses.
If you assign an Elastic IP address to an instance, it receives an IPv4 DNS hostname
hostnames are enabled. For more information, see Using DNS with your VPC in the
Instances that access other instances through their public NAT IP address are
charged for regional or Internet data transfer, depending on whether the instances
are in the same Region.
An Elastic IP address is a public IPv4 address that you can allocate to your account.
can associate it to and disassociate it from instances as you require. It’s allocated
your account until you choose to release it. For more information about Elastic
addresses and how to use them, see Elastic IP addresses.
We do not support Elastic IP addresses for IPv6.
Amazon provides a DNS server that resolves Amazon-provided IPv4 DNS hostnames to IPv4
addresses. The Amazon DNS server is located at the base of your VPC network range
two. For more information, see Amazon DNS server in the
You can optionally associate an IPv6 CIDR block with your VPC, and associate IPv6
blocks with your subnets. The IPv6 CIDR block for your VPC is automatically assigned
from Amazon’s pool of IPv6 addresses; you cannot choose the range yourself. For
information, see the following topics in the Amazon VPC User Guide:
VPC and subnet sizing for
IPv6 CIDR block with your VPC
an IPv6 CIDR block with your subnet
IPv6 addresses are globally unique, and therefore reachable over the Internet. Your
receives an IPv6 address if an IPv6 CIDR block is associated with your VPC and
subnet, and if one of the following is true:
Your subnet is configured to automatically assign an IPv6 address to an instance during
launch. For more information, see Modifying the IPv6
addressing attribute for your subnet.
You assign an IPv6 address to your instance during launch.
You assign an IPv6 address to the primary network interface of your
instance after launch.
You assign an IPv6 address to a network interface in the same subnet, and
attach the network interface to your instance after launch.
When your instance receives an IPv6 address during launch, the address is associated
the primary network interface (eth0) of the instance. You can disassociate the
address from the network interface. We do not support IPv6 DNS hostnames for your
An IPv6 address persists when you stop and start, or hibernate and start, your instance,
is released when you terminate your instance. You cannot reassign an IPv6 address
it’s assigned to another network interface—you must first unassign it.
You can assign additional IPv6 addresses to your instance by assigning them to a network
interface attached to your instance. The number of IPv6 addresses you can assign
network interface and the number of network interfaces you can attach to an instance
varies per instance type. For more information, see IP addresses per network interface per instance type.
You can assign a public IPv4 address to your instance when you launch it. You can
IPv4 addresses for your in the console through either the Instances
page or the Network Interfaces page.
View the IPv4 addresses
You can use the Amazon EC2 console to view the private IPv4 addresses, public IPv4
addresses, and Elastic IP addresses of your instances. You can also determine
IPv4 and private IPv4 addresses of your instance from within your instance
instance metadata. For more information, see Instance metadata and user data.
The public IPv4 address is displayed as a property of the network interface in the
console, but it’s mapped to the primary private IPv4 address through NAT. Therefore,
if you inspect the properties of your network interface on your instance, for
through ifconfig (Linux) or ipconfig (Windows), the public
IPv4 address is not displayed. To determine your instance’s public IPv4 address
an instance, use instance metadata.
To view the IPv4 addresses for an instance using the command line
You can use one of the following commands. For more information about
these command line interfaces, see Access Amazon EC2.
describe-instances (AWS CLI)
Get-EC2Instance (AWS Tools for Windows PowerShell).
To determine your instance’s IPv4 addresses using instance metadata
Connect to your instance. For more information, see Connect to your Linux instance.
Use the following command to access the private IP address:
Use the following command to access the public IP address:
If an Elastic IP address is associated with the instance, the value
returned is that of the Elastic IP address.
Assign a public IPv4 address during instance launch
Each subnet has an attribute that determines whether instances launched into that
subnet are assigned a public IP address. By default, nondefault subnets have this
attribute set to false, and default subnets have this attribute set to true. When
you launch an instance, a public IPv4 addressing feature is also available for
to control whether your instance is assigned a public IPv4 address; you can override
the default behavior of the subnet’s IP addressing attribute. The public IPv4
address is assigned from Amazon’s pool of public IPv4 addresses, and is assigned
the network interface with the device index of eth0. This feature depends on certain
conditions at the time you launch your instance.
You can’t manually disassociate the public IP address from your instance after
launch. Instead, it’s automatically released in certain cases, after which you
cannot reuse it. For more information, see Public IPv4 addresses and external DNS hostnames. If you require a persistent public
IP address that you can associate or disassociate at will, assign an Elastic
address to the instance after launch instead. For more information, see Elastic IP addresses.
You cannot auto-assign a public IP address if you specify more than one network
interface. Additionally, you cannot override the subnet setting using the
auto-assign public IP feature if you specify an existing network interface
The public IP addressing feature is only available during launch. However, whether
assign a public IP address to your instance during launch or not, you can associate
an Elastic IP address with your instance after it’s launched. For more information,
see Elastic IP addresses. You can also modify your subnet’s
public IPv4 addressing behavior. For more information, see Modifying the public
IPv4 addressing attribute for your subnet.
To enable or disable the public IP addressing feature using the console
Open the Amazon EC2 console at
Choose Launch Instance.
Select an AMI and an instance type, and then choose Next: Configure
On the Configure Instance Details page, for
Network, select a VPC. The Auto-assign
Public IP list is displayed. Choose
Enable or Disable to override
the default setting for the subnet.
Follow the steps on the next pages of the wizard to complete your instance’s
setup. For more information about the wizard configuration options, see Launch an instance using the Launch Instance Wizard. On the
final Review Instance Launch page, review your settings,
and then choose Launch to choose a key pair and launch your
On the Instances page, select your new instance and view its public
IP address in IPv4 Public IP field in the details
To enable or disable the public IP addressing feature using the command line
You can use one of the following commands. For more information about these
command line interfaces, see Access Amazon EC2.
Use the –associate-public-ip-address or the
–no-associate-public-ip-address option with the run-instances command
Use the -AssociatePublicIp parameter with the New-EC2Instance
command (AWS Tools for Windows PowerShell)
You can view the IPv6 addresses assigned to your instance, assign a public IPv6 address
to your instance, or unassign an IPv6 address from your instance. You can view
in the console through either the Instances page or the
Network Interfaces page.
View the IPv6 addresses
Assign an IPv6 address to an instance
Unassign an IPv6 address from an instance
You can use the Amazon EC2 console, AWS CLI, and instance metadata to view the IPv6
for your instances.
To view the IPv6 addresses for an instance using the command line
To view the IPv6 addresses for an instance using instance metadata
Use the following command to view the IPv6 address (you can get the MAC address from).
If your VPC and subnet have IPv6 CIDR blocks associated with them, you can assign
address to your instance during or after launch. The IPv6 address is assigned
the IPv6 address range of the subnet, and is assigned to the network interface
the device index of eth0.
To assign an IPv6 address to an instance during launch
Select an AMI and an instance type that supports IPv6, and choose
Next: Configure Instance Details.
Network, select a VPC and for
Subnet, select a subnet. For Auto-assign
IPv6 IP, choose Enable.
Follow the remaining steps in the wizard to launch your instance.
To assign an IPv6 address to an instance after launch
In the navigation pane, choose Instances.
Select your instance, and choose Actions,
Networking, Manage IP addresses.
Expand the network interface. Under IPv6 addresses,
choose Assign new IP address. Enter an IPv6 address
from the range of the subnet or leave the field blank to let Amazon choose
an IPv6 address for you.
You can unassign an IPv6 address from an instance at any time.
To unassign an IPv6 address from an instance using the console
choose Unassign next to the IPv6 address.
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Frequently Asked Questions about amazon prime ip address
What is IP address for Amazon?
All IP address subnet informationIP ADDRESS / SUBNETREGION CODESERVICE ID18.104.22.168/19ap-northeast-1AMAZON22.214.171.124/15ap-northeast-1AMAZON126.96.36.199/15ap-northeast-1AMAZON188.8.131.52/17ap-northeast-1AMAZON115 more rows•May 8, 2015
How do I find IP address on Amazon?
To view the IPv4 addresses for an instance using the console Open the Amazon EC2 console at https://console.aws.amazon.com/ec2/ . In the navigation pane, choose Instances and select your instance. The following information is available on the Networking tab: Public IPv4 address — The public IPv4 address.
Does Amazon collect IP address?
Amazon tracks your IP address and cookies, and keeps them in a database. If you log into a new seller account on the same IP address or computer as suspended accounts, or access more than one seller account on one IP or computer, it is more likely that you will get suspended.