| 216.55.99.0 | — | — |
| 216.55.99.1 | — | — |
| 216.55.99.2 | — | — |
| 216.55.99.3 | — | — |
| 216.55.99.4 | — | — |
| 216.55.99.5 | gate-99-5.NewYork.iService.net | — |
| 216.55.99.6 | gate-99-6.NewYork.iService.net | — |
| 216.55.99.7 | gate-99-7.NewYork.iService.net | — |
| 216.55.99.8 | gate-99-8.NewYork.iService.net | — |
| 216.55.99.9 | gate-99-9.NewYork.iService.net | — |
| 216.55.99.10 | gate-99-10.NewYork.iService.net | — |
| 216.55.99.11 | gate-99-11.NewYork.iService.net | — |
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| 216.55.99.18 | — | — |
| 216.55.99.19 | — | — |
| 216.55.99.20 | archive.bergenfoods.net | — |
| 216.55.99.21 | gate-99-21.NewYork.iService.net | — |
| 216.55.99.22 | archive.euro-systems.co.uk | — |
| 216.55.99.23 | archive-publiclossadjusters.euro-systems.co.uk | — |
| 216.55.99.24 | archive-covanburncontracts.euro-systems.co.uk | — |
| 216.55.99.25 | gate-99-25.NewYork.iService.net | — |
| 216.55.99.26 | archive2.bergenfoods.net | — |
| 216.55.99.27 | — | — |
| 216.55.99.28 | ns1.data2100.com | — |
| 216.55.99.29 | ns1.globalnetserve.com | — |
| 216.55.99.30 | smart001.iservice.net | — |
| 216.55.99.31 | archive.rohrman.com | — |
| 216.55.99.32 | archive.mailinspector.com.br | — |
| 216.55.99.33 | archive.convinafiduciary.com | — |
| 216.55.99.34 | archive.moven.host | — |
| 216.55.99.35 | archive.guthrie.com.sg | — |
| 216.55.99.36 | archive.isolve.net | — |
| 216.55.99.37 | archive.isecure.net | — |
| 216.55.99.38 | — | — |
| 216.55.99.39 | saferoute.ductdesign.com | — |
| 216.55.99.40 | smtp-out.zepel.com.br | — |
| 216.55.99.41 | smtp-out.proweb.co.id | — |
| 216.55.99.42 | sf01.inetlocker.net | — |
| 216.55.99.43 | saferoute.estudiowebmedia.com.br | — |
| 216.55.99.44 | saferoute.bluecubes.com | — |
| 216.55.99.45 | smtp-out.ibspoint.net | — |
| 216.55.99.46 | saferoute.alkait.co.uk | — |
| 216.55.99.47 | smtp-out.ebottles.com | — |
| 216.55.99.48 | smtp-out.surf4.net | — |
| 216.55.99.49 | smtp-out.mide.gob.do | — |
| 216.55.99.50 | smtp-out.hyperspike.net | — |
| 216.55.99.51 | medicineau.net.au | — |
| 216.55.99.52 | outbound1.hyperspike.net | — |
| 216.55.99.53 | outbound2.hyperspike.net | — |
| 216.55.99.54 | outbound3.hyperspike.net | — |
| 216.55.99.55 | smtp-out.desirius.com.br | — |
| 216.55.99.56 | saferoute.zeara.com.au | — |
| 216.55.99.57 | smtp-out.joinvix.com.br | — |
| 216.55.99.58 | esg2.moven.host | — |
| 216.55.99.59 | esg3.moven.host | — |
| 216.55.99.60 | smtp-out.emcan-group.com | — |
| 216.55.99.61 | asklawyers.com | — |
| 216.55.99.62 | static.216.55.99.62.iservice.net | — |
| 216.55.99.63 | smtpfilter.comsats.net.pk | — |
| 216.55.99.64 | saferoute.edosit.com | — |
| 216.55.99.65 | smtp-out.macnethost.com | — |
| 216.55.99.66 | cyberatty.com | — |
| 216.55.99.67 | smtp-37737.nodevm.com | — |
| 216.55.99.68 | smtp-out.websitego.com.br | — |
| 216.55.99.69 | smtp-out.comsats.net.pk | — |
| 216.55.99.70 | convey2.intelsecure.net | — |
| 216.55.99.71 | thredbo.com | — |
| 216.55.99.72 | smtp-out.clickcentricdigital.com | — |
| 216.55.99.73 | outbound2.ihsystem.com | — |
| 216.55.99.74 | smtp-out.tiny.mx | — |
| 216.55.99.75 | saferoute.anglec.com | — |
| 216.55.99.76 | smtp-out.sanctuario.ch | — |
| 216.55.99.77 | smtp-out2.sanctuario.ch | — |
| 216.55.99.78 | smtp-out3.sanctuario.ch | — |
| 216.55.99.79 | smtp-out.nwstead.com | — |
| 216.55.99.80 | smtp-out2.nwstead.com | — |
| 216.55.99.81 | smtp-out3.nwstead.com | — |
| 216.55.99.82 | outbound.rakedi.info | — |
| 216.55.99.83 | smtp-out.jrdesklabs.com | — |
| 216.55.99.84 | smtp-out.stableserver.net | — |
| 216.55.99.85 | smtp-out.convinafiduciary.com | — |
| 216.55.99.86 | smtp-out.tinypack.mx | — |
| 216.55.99.87 | ns1.nameserv.net | — |
| 216.55.99.88 | smtp-out.ccl.lk | — |
| 216.55.99.89 | smtp-out.silveiragomes.com.br | — |
| 216.55.99.90 | smtp-out.degraupublicidade.com.br | — |
| 216.55.99.91 | saferoute.go-sgi.com | — |
| 216.55.99.92 | saferoute.baselineit.co.za | — |
| 216.55.99.93 | smtp-out.exedor.us | — |
| 216.55.99.94 | smtp-out.manpa.com.ve | — |
| 216.55.99.95 | smtp-out.sempre.net.br | — |
| 216.55.99.96 | smtp-out.cyberprod.net | — |
| 216.55.99.97 | smtp-out.namehero.net | — |
| 216.55.99.98 | smtp-out2.namehero.net | — |
| 216.55.99.99 | smtp-out3.namehero.net | — |
| 216.55.99.100 | smtp-out.enter-system.com | — |
| 216.55.99.101 | ns1.sunserve.com | — |
| 216.55.99.102 | smtp-out.vargonen.com | — |
| 216.55.99.103 | smtp-out2.enter-system.com | — |
| 216.55.99.104 | smtp-out3.enter-system.com | — |
| 216.55.99.105 | smtp-out.genesisweb.com.br | — |
| 216.55.99.106 | static.216.55.99.106.iservice.net | — |
| 216.55.99.107 | smtp-out.mywithersradio.com | — |
| 216.55.99.108 | smtp-out4.swapdns.com | — |
| 216.55.99.109 | smtp.telnetworks.net.au | — |
| 216.55.99.110 | smtp-out.marpa.com.br | — |
| 216.55.99.111 | esg.moven.host | — |
| 216.55.99.112 | smtp-out.acremac.com | — |
| 216.55.99.113 | smtp-out.servidor.srv.br | — |
| 216.55.99.114 | smtp-out.techrelease.co.za | — |
| 216.55.99.115 | smtp-out.wifiber.ng | — |
| 216.55.99.116 | smtp-out.kalykim.com.br | — |
| 216.55.99.117 | outbound.itoperators.dk | — |
| 216.55.99.118 | smtp-out.ositcom.net | — |
| 216.55.99.119 | smtp-out.bontechnologies.com | — |
| 216.55.99.120 | smtp-out2.bontechnologies.com | — |
| 216.55.99.121 | smtp-out6.namehero.net | — |
| 216.55.99.122 | smtp-out2.marpa.com.br | — |
| 216.55.99.123 | smtp-out3.marpa.com.br | — |
| 216.55.99.124 | saferoute.ihsystem.com | — |
| 216.55.99.125 | smtp-out.inshawaii.com | — |
| 216.55.99.126 | smtp-out.iphosting.com.br | — |
| 216.55.99.127 | saferoute.tamsys.com.mx | — |
| 216.55.99.128 | smtp-out.hudgensconsulting.com | — |
| 216.55.99.129 | smtp-out2.hudgensconsulting.com | — |
| 216.55.99.130 | smtp-out3.hudgensconsulting.com | — |
| 216.55.99.131 | smtp-out4.hudgensconsulting.com | — |
| 216.55.99.132 | smtp-out5.hudgensconsulting.com | — |
| 216.55.99.133 | smtp-out.latticesystems.com | — |
| 216.55.99.134 | smtp-out2.latticesystems.com | — |
| 216.55.99.135 | smtp-out3.latticesystems.com | — |
| 216.55.99.136 | smtp-out9.latticesystems.com | — |
| 216.55.99.137 | smtp-out10.latticesystems.com | — |
| 216.55.99.138 | smtp-out.caribe.host | — |
| 216.55.99.139 | smtp-out.ofc-bkd.iservice.net | — |
| 216.55.99.140 | smtp-out.vaultdataservers.com | — |
| 216.55.99.141 | smtp-out.loja.gob.ec | — |
| 216.55.99.142 | smtp-out2.loja.gob.ec | — |
| 216.55.99.143 | smtp-out3.loja.gob.ec | — |
| 216.55.99.144 | smtp-out.eurohost.com.br | — |
| 216.55.99.145 | smtp-out.tandainterativa.com.br | — |
| 216.55.99.146 | smtp-2437.nodevm.com | — |
| 216.55.99.147 | smtpout1.iknoortech.com | — |
| 216.55.99.148 | smtp-out2.spectraidc.net | — |
| 216.55.99.149 | smtp-out3.spectraidc.net | — |
| 216.55.99.150 | smtp-out2.isolve.net | — |
| 216.55.99.151 | smtp-out3.isolve.net | — |
| 216.55.99.152 | saferoute.janusnetworks.com | — |
| 216.55.99.153 | smtp-out.wasatchsbtc.com | — |
| 216.55.99.154 | smtp-out2.wasatchsbtc.com | — |
| 216.55.99.155 | saferoute.w3.co.nz | — |
| 216.55.99.156 | smtp-out.ntpfw.com | — |
| 216.55.99.157 | smtp-8697.nodevm.com | — |
| 216.55.99.158 | outfilter01.spectraidc.net | — |
| 216.55.99.159 | smtp-out.kkontech.com | — |
| 216.55.99.160 | smtp-out2.kkontech.com | — |
| 216.55.99.161 | smtp-out.remarkablecloud.com | — |
| 216.55.99.162 | smtp-out.motorsoft.com.br | — |
| 216.55.99.163 | smtp-out.cloudwebhosting.com | — |
| 216.55.99.164 | smtp-out2.cloudwebhosting.com | — |
| 216.55.99.165 | smtp-16137.nodevm.com | — |
| 216.55.99.166 | saferoute.supplypro.com | — |
| 216.55.99.167 | smtp-filter.comsats.net.pk | — |
| 216.55.99.168 | saferoute.refreshcloud.net | — |
| 216.55.99.169 | smtp-out3.wasatchsbtc.com | — |
| 216.55.99.170 | smtp-out.awazigargash.me | — |
| 216.55.99.171 | smtp-out2.stableserver.net | — |
| 216.55.99.172 | smtp-out3.stableserver.net | — |
| 216.55.99.173 | saferoute.microforest.com | — |
| 216.55.99.174 | saferoute.frontendmedia.co.uk | — |
| 216.55.99.175 | smtp-out.daytonanetworks.com | — |
| 216.55.99.176 | smtp-out.nashirnet.net | — |
| 216.55.99.177 | smtp-out.swapdns.com | — |
| 216.55.99.178 | smtp-out.communica.world | — |
| 216.55.99.179 | smtp-out.thcservers.com | — |
| 216.55.99.180 | smtp-out.hostpanel.srv.br | — |
| 216.55.99.181 | smtp-out.itguysllc.com | — |
| 216.55.99.182 | smtp-out.slownomo.com | — |
| 216.55.99.183 | smtp-out.isp-support.com | — |
| 216.55.99.184 | smtp-out2.isp-support.com | — |
| 216.55.99.185 | smtp-out.aclassnet.com | — |
| 216.55.99.186 | static.216.55.99.186.iservice.net | — |
| 216.55.99.187 | smtp-out.interwaste.co.za | — |
| 216.55.99.188 | smtp-out.nassau247.com | — |
| 216.55.99.189 | smtp-out.abcbahamas.com | — |
| 216.55.99.190 | smtp-out.umanix.co.za | — |
| 216.55.99.191 | smtp-out.paramountmpc.org | — |
| 216.55.99.192 | smtp-out.telenet.nc | — |
| 216.55.99.193 | smtp-out.vadavo.net | — |
| 216.55.99.194 | smtp-out2.vadavo.net | — |
| 216.55.99.195 | smtp-out3.vadavo.net | — |
| 216.55.99.196 | smtp-out4.vadavo.net | — |
| 216.55.99.197 | static.216.55.99.197.iservice.net | — |
| 216.55.99.198 | smtp-out3.cloudwebhosting.com | — |
| 216.55.99.199 | smtp-out4.cloudwebhosting.com | — |
| 216.55.99.200 | interemail.com | — |
| 216.55.99.201 | ns2.interemail.com | — |
| 216.55.99.202 | smtp-out.microcharged.com | — |
| 216.55.99.203 | smtp-42303.nodevm.com | — |
| 216.55.99.204 | mailer.standz.in | — |
| 216.55.99.205 | outbound.msecuredatalabs.com | — |
| 216.55.99.206 | outbound.tw2days.com | — |
| 216.55.99.207 | smtp-service.extra.com | — |
| 216.55.99.208 | smtp-service2.extra.com | — |
| 216.55.99.209 | smtp-out7.namehero.net | — |
| 216.55.99.210 | smtp-out8.namehero.net | — |
| 216.55.99.211 | smarthost3.irivinsu.com | — |
| 216.55.99.212 | mailer1.standz.in | — |
| 216.55.99.213 | outbound.transpeed.co.uk | — |
| 216.55.99.214 | smtp-out.mailr.cloud | — |
| 216.55.99.215 | outbound.amq.co.za | — |
| 216.55.99.216 | smtp-out.cafemarino.com.mx | — |
| 216.55.99.217 | smtp-out2.umanix.co.za | — |
| 216.55.99.218 | outbound.0101.hk | — |
| 216.55.99.219 | out-filter.hostedby.eu | — |
| 216.55.99.220 | runnet.com | — |
| 216.55.99.221 | ns1.runnet.net | — |
| 216.55.99.222 | webnmail.com | — |
| 216.55.99.223 | runnet.com | — |
| 216.55.99.224 | socetem.fr | — |
| 216.55.99.225 | smtp-28511.nodevm.com | — |
| 216.55.99.226 | smtp-out4.wasatchsbtc.com | — |
| 216.55.99.227 | smtp-out5.wasatchsbtc.com | — |
| 216.55.99.228 | outbound.vctpl.com | — |
| 216.55.99.229 | outbound-filter.24shells.net | — |
| 216.55.99.230 | mailer2.standz.in | — |
| 216.55.99.231 | smtp-out2.microcharged.com | — |
| 216.55.99.232 | smtp-out.mwwc.org | — |
| 216.55.99.233 | smtp-out.cybermedia.co.in | — |
| 216.55.99.234 | smtp-out.isolve.net | — |
| 216.55.99.235 | smtp-out2.kalykim.com.br | — |
| 216.55.99.236 | smtp-out.unimed.com.my | — |
| 216.55.99.237 | smtp-out.weezy.com.br | — |
| 216.55.99.238 | outbound.ispsupport.net | — |
| 216.55.99.239 | outfilter.ispsupport.net | — |
| 216.55.99.240 | outbound.hyperspike.net | — |
| 216.55.99.241 | outbound.ihsystem.com | — |
| 216.55.99.242 | outbound.hostingby.be | — |
| 216.55.99.243 | outbound.refreshtelecom.com | — |
| 216.55.99.244 | smtp-out3.kalykim.com.br | — |
| 216.55.99.245 | smarthost.irivinsu.com | — |
| 216.55.99.246 | smtp-out.coconutwirelessnetwork.com | — |
| 216.55.99.247 | smtp-out.tarmail.com | — |
| 216.55.99.248 | smtp-out.mailboxsrvr.com | — |
| 216.55.99.249 | sendpeer.com | — |
| 216.55.99.250 | smtp-out.ispsupport.com | — |
| 216.55.99.251 | ip251-net99.nyc-usa.iservice.net | — |
| 216.55.99.252 | smarthost2.irivinsu.com | — |
| 216.55.99.253 | — | — |
| 216.55.99.254 | ip254-net99.nyc-usa.iservice.net | — |
| 216.55.99.255 | ip255-net99.nyc-usa.iservice.net | — |