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What are Comcast's Outbound Mail Servers?

Outbound Mail Servers

Below are Comcast's outbound mail servers:

Host IP Address
resqmta-ch2-01v.sys.comcast.net 69.252.207.33
resqmta-ch2-02v.sys.comcast.net 69.252.207.34
resqmta-ch2-03v.sys.comcast.net 69.252.207.35
resqmta-ch2-04v.sys.comcast.net 69.252.207.36
resqmta-ch2-05v.sys.comcast.net 69.252.207.37
resqmta-ch2-06v.sys.comcast.net 69.252.207.38
resqmta-ch2-07v.sys.comcast.net 69.252.207.39
resqmta-ch2-08v.sys.comcast.net 69.252.207.40
resqmta-ch2-09v.sys.comcast.net 69.252.207.41
resqmta-ch2-10v.sys.comcast.net 69.252.207.42
resqmta-ch2-11v.sys.comcast.net 69.252.207.43
resqmta-ch2-12v.sys.comcast.net 69.252.207.44
resqmta-po-01v.sys.comcast.net 96.114.154.160
resqmta-po-02v.sys.comcast.net 96.114.154.161
resqmta-po-03v.sys.comcast.net 96.114.154.162
resqmta-po-04v.sys.comcast.net 96.114.154.163
resqmta-po-05v.sys.comcast.net 96.114.154.164
resqmta-po-06v.sys.comcast.net 96.114.154.165
resqmta-po-07v.sys.comcast.net 96.114.154.166
resqmta-po-08v.sys.comcast.net 96.114.154.167
resqmta-po-09v.sys.comcast.net 96.114.154.168
resqmta-po-10v.sys.comcast.net 96.114.154.169
resqmta-po-11v.sys.comcast.net 96.114.154.170
resqmta-po-12v.sys.comcast.net 96.114.154.171
IPv6 Outbound CIDRs
2001:558:fe16:19:96:114:154:160/123
2001:558:fe21:29:69:252:207:0/121
MDP CIDRs (Bulk Messaging Platform)
69.252.193.128/25
162.150.58.0/24
2001:558:fe16:103:69:252:193:0/112
2001:558:fe21:30:162:150:58:0/112

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