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AOL Outbound Mail Server Hostnames and IPv4 Addresses

This pages documents AOL dial-up ranges and outbound mail servers. Any change to our mail servers will be reflected here.

AOL Dial-up Ranges

AOL dial-up ranges change frequently, but will always fall within the 172.128.0.0/9 range. If possible the /9 range should be used. 

172.128.0.0/12
172.208.0.0/15
172.176.0.0/13
172.184.0.0/16
172.185.0.0/16
172.186.0.0/16
172.188.0.0/14
172.202.0.0/15
172.200.0.0/15
172.202.0.0/15
172.212.0.0/14
172.216.0.0/16
172.160.0.0/12
172.192.0.0/13
172.206.0.0/15
172.210.0.0/15
172.187.0.0/16
172.144.0.0/12
172.204.0.0/17
172.205.0.0/17

Outbound Servers

Internet mail outbound servers -- Servers that send members' mail.

Hostnames: 

imr-da0[1-6].mx.aol.com
imr-db0[1-3].mx.aol.com
imr-ma0[1-6].mx.aol.com
imr-mb0[1-2].mx.aol.com

omr-d0[1-9].mx.aol.com
omr-d10.mx.aol.com
omr-m0[1-9].mx.aol.com
omr-m10.mx.aol.com

omr-d2[1-5].mx.aol.com
omr-d31.mx.aol.com
omr-d3[4-5].mx.aol.com
omr-m2[1-5].mx.aol.com
omr-m31.mx.aol.com
omr-m3[4-5].mx.aol.com

oms-db0[1-4].r1000.mx.aol.com
oms-dc0[1-4].r1000.mx.aol.com
oms-dd0[1-4].mx.aol.com
oms-mb0[1-4].r1000.mx.aol.com
oms-mc0[1-4].r1000.mx.aol.com
oms-md0[1-4].mx.aol.com

IPs: 

205.188.105.143
205.188.105.144
205.188.105.145
205.188.105.146
205.188.105.147
205.188.169.203
205.188.91.95
205.188.91.96
205.188.91.97
64.12.206.39
64.12.206.40
64.12.206.41
64.12.206.42
64.12.100.31
64.12.78.142
64.12.207.164
64.12.207.163

205.188.252.208
205.188.109.194
205.188.109.200
205.188.109.201
205.188.109.202
205.188.109.203
205.188.109.204
205.188.109.207
205.188.108.133
205.188.108.134
64.12.143.75
64.12.143.76
64.12.143.77
64.12.143.78
64.12.143.79
64.12.143.80
64.12.143.81
64.12.222.129
64.12.143.82
64.12.143.86

205.188.249.65
205.188.249.66
205.188.249.67
205.188.249.68
205.188.249.69
205.188.249.129
205.188.249.132
205.188.249.133
64.12.136.129
64.12.136.130
64.12.136.131
64.12.136.132
64.12.136.133
64.12.143.151
64.12.143.146
64.12.143.147

205.188.58.1 (aberrant)
205.188.58.2 (aberrant)
205.188.58.3 (aberrant)
205.188.58.4 (aberrant)
205.188.167.65 (aberrant)
205.188.167.67 (aberrant)
205.188.167.68 (aberrant)
205.188.167.69 (aberrant)
205.188.169.14 (aberrant)
205.188.169.19 (aberrant)
205.188.169.23 (aberrant)
205.188.169.24 (aberrant)
64.12.102.137 (aberrant)
64.12.102.138 (aberrant)
64.12.102.139 (aberrant)
64.12.102.140 (aberrant)
64.12.81.66 (aberrant)
64.12.81.67 (aberrant)
64.12.81.68 (aberrant)
64.12.81.69 (aberrant)
64.12.81.145 (aberrant)
64.12.81.146 (aberrant)
64.12.81.147 (aberrant)
64.12.81.148 (aberrant)

Outbound Relays (bouncers)

Servers that deliver bounced messages and feedback loop mail

Hostnames: 

imb-d0[1-5].mx.aol.com
imb-m0[1-5].mx.aol.com

smr-m0[1-2].mx.aol.com  
smr-d0[1-2].mx.aol.com

IPs: 

205.188.255.68
205.188.255.69
205.188.178.22
205.188.128.65
205.188.23.2
64.12.227.42
64.12.227.43
149.174.30.116
64.12.251.37
64.12.251.41

205.188.255.71
205.188.255.70
64.12.227.44
64.12.227.45