AWS ap-southeast-1 IP ranges

Amazon Web Services (AWS) region

The Amazon Web Services (AWS) region ap-southeast-1 uses 292 IPv4 and 136 IPv6 blocks, covering about 3.1 million unique IPv4 addresses. It is one of 42 AWS regions with published address ranges.

IPv4 blocks: 292
IPv6 blocks: 136
Unique IPv4 addresses: 3,088,873

Range data updated 2026-11-07

ap-southeast-1 address prefixes

1.178.89.0/24
3.0.0.0/15
3.0.5.32/29
3.0.5.224/27
3.2.76.0/24
3.2.121.0/24
3.4.12.23/32
3.4.12.24/32
3.4.12.25/32
3.4.12.26/32
3.4.15.48/29
3.4.15.56/29
3.5.146.0/23
3.5.148.0/22
3.44.0.0/18
3.44.5.128/25
13.144.0.0/16
13.150.0.0/15
13.212.0.0/15
13.212.3.64/26
13.212.3.128/26
13.212.132.0/22
13.212.209.94/31
13.212.209.96/27
13.212.209.128/26
13.213.20.132/30
13.213.20.136/29
13.213.20.144/28
13.213.20.160/28
13.213.21.0/24
13.213.22.0/23
13.213.24.0/23
13.213.75.224/29
13.214.0.0/15
13.214.118.0/23
13.214.124.128/26
13.214.224.0/23
13.214.228.0/22
13.215.92.0/24
13.215.93.0/25
13.215.93.128/26
13.228.0.0/15
13.228.69.0/24
13.229.187.192/27
13.229.187.232/29
13.248.107.0/24
13.248.125.0/24
13.248.127.0/24
13.250.0.0/15
13.250.186.0/29
13.250.186.8/29
13.250.186.16/29
13.250.186.128/27
13.250.186.160/27
13.250.186.192/29
13.250.186.200/29
13.250.186.208/29
13.251.113.64/26
13.251.116.0/23
15.129.38.0/23
15.129.56.0/24
15.129.61.0/24
15.129.70.0/23
15.177.82.0/24
15.193.2.0/24
15.193.160.0/22
15.220.192.0/22
15.220.240.0/21
15.221.8.0/21
15.221.35.0/24
15.221.36.0/22
15.230.3.0/24
15.230.4.19/32
15.230.4.128/32
15.230.4.129/32
15.230.4.130/32
15.230.4.131/32
15.230.4.148/31
15.230.4.150/31
15.230.4.152/31
15.230.4.154/31
15.230.4.156/31
15.230.4.158/31
15.230.4.160/31
15.230.4.162/31
15.230.4.176/28
15.230.6.0/24
15.230.29.0/24
15.230.53.0/24
15.230.77.128/26
15.230.77.192/26
15.230.78.0/26
15.230.120.0/31
15.230.133.0/24
15.230.163.0/24
15.230.164.0/24
15.230.200.0/24
15.230.209.0/24
15.230.243.0/24
15.230.251.0/31
15.230.251.2/31
15.230.251.4/31
15.230.251.6/32
15.230.251.7/32
15.248.141.0/24
16.12.48.0/21
16.15.48.0/23
16.15.50.0/23
16.15.52.0/23
16.57.0.0/18
16.156.0.0/15
16.158.0.0/15
16.214.36.0/22
18.99.32.0/19
18.136.0.0/16
18.136.1.192/27
18.136.1.224/27
18.138.0.0/15
18.138.134.128/25
18.138.244.0/23
18.139.204.176/28
18.139.204.192/27
18.140.0.0/15
18.140.177.0/26
18.140.177.64/26
18.141.66.248/30
18.141.66.252/30
18.141.148.0/26
18.141.148.128/25
18.141.150.0/23
18.141.152.0/24
18.141.154.0/23
18.141.226.0/23
18.141.238.0/26
18.141.238.68/30
18.142.0.0/15
18.143.204.64/26
18.143.206.152/29
18.143.206.160/29
35.50.234.0/24
35.50.235.0/24
35.50.236.0/24
35.54.50.0/24
35.55.7.0/24
35.55.8.0/24
35.55.9.0/24
35.71.118.0/24
40.163.1.0/24
43.250.192.0/24
43.250.193.0/24
45.57.128.0/18
46.51.216.0/21
46.137.192.0/19
46.137.224.0/19
47.128.0.0/14
47.128.4.0/22
47.128.8.0/23
47.128.82.100/31
47.128.82.102/31
47.129.23.128/30
47.129.23.132/30
47.129.81.64/26
47.129.82.0/24
47.129.83.0/24
47.129.84.0/24
47.129.90.0/24
47.130.7.128/25
47.131.230.0/23
52.74.0.0/16
52.76.0.0/17
52.76.127.0/24
52.76.128.0/17
52.77.0.0/16
52.93.8.0/22
52.93.19.0/24
52.93.63.0/24
52.93.82.0/24
52.93.83.0/24
52.93.127.106/32
52.93.127.107/32
52.93.127.108/32
52.93.127.109/32
52.93.127.110/32
52.93.127.111/32
52.93.127.112/32
52.93.127.113/32
52.93.127.114/32
52.93.127.115/32
52.93.127.116/32
52.93.127.117/32
52.93.127.194/32
52.93.127.195/32
52.94.11.0/24
52.94.198.96/28
52.94.248.32/28
52.95.35.0/24
52.95.212.0/22
52.95.242.0/24
52.95.255.32/28
52.119.184.0/22
52.119.205.0/24
52.144.224.128/26
52.144.230.204/31
52.144.230.206/31
52.144.230.208/31
52.144.230.210/31
52.144.231.64/26
52.219.32.0/21
52.219.40.0/22
52.219.124.0/22
52.219.128.0/22
52.219.132.0/22
52.219.164.0/22
52.219.180.0/22
52.219.184.0/21
52.220.0.0/15
52.220.191.0/26
52.221.221.128/29
54.151.128.0/17
54.169.0.0/16
54.179.0.0/16
54.239.0.96/28
54.240.199.0/24
54.240.226.0/24
54.240.227.0/24
54.251.0.0/16
54.251.31.128/26
54.254.0.0/16
54.255.0.0/16
54.255.254.192/26
56.10.0.0/16
56.10.72.0/22
56.10.76.0/22
56.11.0.0/16
64.66.143.0/24
64.252.102.0/24
64.252.103.0/24
64.252.104.0/24
64.252.105.0/24
66.36.9.0/24
69.107.6.160/29
69.107.6.168/29
69.107.7.0/29
69.107.7.8/29
69.107.10.16/29
69.107.10.24/29
69.107.10.112/29
69.107.10.120/29
69.107.13.96/29
69.107.13.104/29
72.150.2.0/23
96.0.94.0/23
96.0.108.0/24
96.0.112.0/21
96.0.120.0/21
96.0.128.0/23
96.0.130.0/24
96.0.132.0/22
96.0.136.0/21
96.0.144.0/21
96.0.176.0/22
96.0.180.0/22
99.77.143.0/24
99.77.161.0/24
99.77.240.0/24
99.82.173.0/24
99.83.102.0/24
99.83.104.0/24
99.87.0.0/22
99.151.104.0/21
103.246.148.0/23
122.248.192.0/18
136.18.22.0/24
136.18.34.0/24
136.18.140.0/23
141.230.0.0/16
141.231.0.0/16
150.222.3.0/24
150.222.14.0/24
150.222.42.128/26
150.222.42.192/26
150.222.43.0/26
150.222.78.0/24
150.222.108.0/24
150.222.219.0/24
150.247.39.0/24
151.148.38.0/24
172.106.0.0/15
173.83.219.0/24
175.41.128.0/18
203.83.220.0/22
216.198.233.0/24
2400:6500:0:7000::/56
2400:6500:0:b000::/56
2400:6500:ff00::/48
2406:da00:8000::/40
2406:da18::/35
2406:da18:752:6600::/56
2406:da18:7ff:f800::/56
2406:da18:9fa:1b00::/56
2406:da18:fff:f800::/56
2406:da18:1580:b00::/56
2406:da18:15a1:c700::/56
2406:da18:197a:ce00::/56
2406:da18:8000::/36
2406:da1a:8000::/36
2406:da28::/36
2406:da28:28::/48
2406:da28:8000::/36
2406:da2a:8000::/36
2406:da30:8000::/40
2406:da30:8800::/40
2406:da32:8000::/40
2406:da32:8800::/40
2406:da36:8000::/40
2406:da36:8800::/40
2406:da38:8000::/40
2406:da38:8800::/40
2406:da60:8000::/40
2406:da60:8800::/40
2406:da61:8000::/40
2406:da61:8800::/40
2406:da62:8000::/40
2406:da62:8800::/40
2406:da70:8000::/40
2406:da70:8000::/56
2406:da70:8000:100::/56
2406:da70:8000:200::/56
2406:da70:8000:300::/56
2406:da70:8000:400::/56
2406:da70:8800::/40
2406:daa0:8000::/40
2406:daa0:8800::/40
2406:daa0:a800::/40
2406:dab9:8000::/40
2406:dab9:8800::/40
2406:daba:8000::/40
2406:daba:8800::/40
2406:dabb:8000::/40
2406:dabb:8800::/40
2406:dae7:8000::/40
2406:dae7:8800::/40
2406:dae8:8000::/40
2406:dae8:8800::/40
2406:dae9:8000::/40
2406:dae9:8800::/40
2406:daea:8000::/40
2406:daea:8800::/40
2406:daeb:8000::/40
2406:daeb:8800::/40
2406:daef:8000::/40
2406:daef:8800::/40
2406:daf0:8000::/40
2406:daf0:8800::/40
2406:daf2:8000::/40
2406:daf2:8800::/40
2406:daf3:8000::/40
2406:daf3:8800::/40
2406:daf4:8000::/40
2406:daf4:8800::/40
2406:daf6:8000::/40
2406:daf6:8000::/48
2406:daf6:8800::/40
2406:daf8:8000::/40
2406:daf8:8800::/40
2406:daf8:a800::/40
2406:daf9:8000::/40
2406:daf9:8800::/40
2406:daf9:a800::/40
2406:dafa:8000::/40
2406:dafc:8000::/40
2406:dafe:8000::/40
2406:dafe:8800::/40
2406:dafe:a800::/40
2406:daff:8000::/40
2406:daff:8800::/40
2406:daff:a800::/40
2600:1f01:48b0::/47
2600:1f01:48f4::/47
2600:1f01:490e::/47
2600:1ffd:8422::/48
2600:1ffd:85b2::/48
2600:9000:5208::/48
2600:f004:8000::/40
2600:f00f:4000::/40
2600:f0f0:1:1300::/56
2600:f0f0:84::/48
2600:f0f0:730::/48
2600:f0f0:731::/48
2600:f0f0:e2e::/48
2600:f0f0:e2f::/48
2600:f0f0:e30::/48
2600:f0f0:1106::/48
2600:f0f0:1107::/48
2600:f0f0:1108::/48
2600:f0f0:4105::/48
2600:f0f0:4304::/46
2600:f0f0:553d::/48
2600:f0f0:553e::/48
2600:f0f0:553f::/48
2600:f0f0:610e::/48
2600:f0f0:6139::/48
2600:f0f0:810a::/48
2600:f0f0:818d::/48
2600:f0f0:c048::/48
2600:f0f0:c122::/48
2600:f0f0:c13f::/48
2600:f0f0:c140::/48
2600:f0f0:c143::/48
2600:f0f1:4500::/42
2600:f0f2:701b::/48
2600:f0f2:7107::/48
2600:f0f3:f010:2a00::/56
2600:f0f3:f010:3a00::/56
2600:f0fb:c004::/48
2600:f0fb:c802::/48
2600:f0fb:c900:3000::/52
2600:f0fb:ca01::/52
2600:f0fb:f026::/48
2600:f0fb:f105::/48
2605:b140:9a04::/48
2606:f40:2800::/40
2606:f40:a800::/40
2606:f40:ffe2::/48
2606:f40:ffe4::/48
2606:7b40:1b07::/56
2606:7b40:1b07:100::/56
2606:7b40:1b07:200::/56

Using these ranges

Region prefix lists are used to allowlist traffic from workloads in ap-southeast-1, to route or geofence by cloud region, and to recognise AWS infrastructure in logs. Prefixes move between regions and services over time, so refresh any allowlist regularly rather than hard-coding it. An address inside these ranges tells you which network hosts it, not who is renting it; check each address's profile for risk evidence.

AWS ranges are tagged by region and service. An address inside an EC2 range is a customer-controlled virtual machine, so the owner of the traffic is the AWS customer, not Amazon; abuse reports go to AWS, which forwards them to the customer.

Other AWS regions

af-south-1156 blocks
ap-east-1166 blocks
ap-east-287 blocks
ap-northeast-1411 blocks
ap-northeast-2269 blocks
ap-northeast-3177 blocks
ap-south-1299 blocks
ap-south-2122 blocks
ap-southeast-2339 blocks
ap-southeast-3137 blocks
ap-southeast-4115 blocks
ap-southeast-5108 blocks
ap-southeast-683 blocks
ap-southeast-791 blocks
ca-central-1266 blocks
ca-west-197 blocks
cn-north-1153 blocks
cn-northwest-1147 blocks
eu-central-1654 blocks
eu-central-2101 blocks
eu-north-1246 blocks
eu-south-1238 blocks
eu-south-2168 blocks
eu-west-1531 blocks
eu-west-2416 blocks
eu-west-3230 blocks
eusc-de-east-195 blocks
il-central-1112 blocks
me-central-1105 blocks
me-south-1188 blocks
me-west-169 blocks
mx-central-188 blocks
sa-east-1308 blocks
sa-west-169 blocks
us-east-11,452 blocks
us-east-2579 blocks
us-gov-east-1125 blocks
us-gov-west-1156 blocks
us-south-186 blocks
us-west-1586 blocks
us-west-2804 blocks

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