| 63.111.123.0 | — | — |
| 63.111.123.1 | 98.xe-5-0-1.GW8.RIC2.ALTER.NET | — |
| 63.111.123.2 | Internet-gw.customer.alter.net | — |
| 63.111.123.3 | — | — |
| 63.111.123.4 | — | — |
| 63.111.123.5 | 159.xe-4-0-1.GW11.DCA5.ALTER.NET | — |
| 63.111.123.6 | Internet-gw.customer.alter.net | — |
| 63.111.123.7 | — | — |
| 63.111.123.8 | — | — |
| 63.111.123.9 | 226.xe-1-3-1.GW8.CLE1.ALTER.NET | — |
| 63.111.123.10 | Internet-gw.customer.alter.net | — |
| 63.111.123.11 | — | — |
| 63.111.123.12 | — | — |
| 63.111.123.13 | 78.xe-5-2-0.GW7.DET5.ALTER.NET | — |
| 63.111.123.14 | tbd-gw.customer.alter.net | — |
| 63.111.123.15 | — | — |
| 63.111.123.16 | — | — |
| 63.111.123.17 | ps281.ALTER.NET | — |
| 63.111.123.18 | Internet-gw.customer.alter.net | — |
| 63.111.123.19 | — | — |
| 63.111.123.20 | — | — |
| 63.111.123.21 | 0.so-6-1-0.XL1.BOS4.ALTER.NET | — |
| 63.111.123.22 | 0.so-0-0-0.ur1.bos6.web.wcom.net | — |
| 63.111.123.23 | — | — |
| 63.111.123.24 | — | — |
| 63.111.123.25 | 0.so-6-2-0.XL2.BOS4.ALTER.NET | — |
| 63.111.123.26 | 0.so-0-0-0.ur2.bos6.web.wcom.net | — |
| 63.111.123.27 | — | — |
| 63.111.123.28 | — | — |
| 63.111.123.29 | 0.so-7-1-3.XT1.NYC8.ALTER.NET | — |
| 63.111.123.30 | 0.so-1-0-0.ur1.bos6.web.wcom.net | — |
| 63.111.123.31 | — | — |
| 63.111.123.32 | — | — |
| 63.111.123.33 | 0.so-0-1-0.WR2.BOS6.ALTER.NET | — |
| 63.111.123.34 | 0.so-1-0-0.ur2.bos6.web.wcom.net | — |
| 63.111.123.35 | — | — |
| 63.111.123.36 | — | — |
| 63.111.123.37 | 116.xe-4-2-1.GW12.DCA5.ALTER.NET | — |
| 63.111.123.38 | Internet-gw.customer.alter.net | — |
| 63.111.123.39 | — | — |
| 63.111.123.40 | — | — |
| 63.111.123.41 | 500.MFR14.GW3.BOS4.ALTER.NET | — |
| 63.111.123.42 | optos-gw.customer.alter.net | — |
| 63.111.123.43 | — | — |
| 63.111.123.44 | — | — |
| 63.111.123.45 | 53.xe-1-0-2-2.GW14.PHL6.ALTER.NET | — |
| 63.111.123.46 | spectrotel-gw.customer.alter.net | — |
| 63.111.123.47 | — | — |
| 63.111.123.48 | — | — |
| 63.111.123.49 | 90.xe-1-0-3-1.GW14.PHL6.ALTER.NET | — |
| 63.111.123.50 | Internet-gw.customer.alter.net | — |
| 63.111.123.51 | — | — |
| 63.111.123.52 | — | — |
| 63.111.123.53 | 103.xe-0-3-1.GW1.BOS19.ALTER.NET | — |
| 63.111.123.54 | cvshealth-gw.customer.alter.net | — |
| 63.111.123.55 | — | — |
| 63.111.123.56 | — | — |
| 63.111.123.57 | 103.xe-5-0-5-3.GW11.DCA5.ALTER.NET | — |
| 63.111.123.58 | tbd.customer.alter.net | — |
| 63.111.123.59 | — | — |
| 63.111.123.60 | — | — |
| 63.111.123.61 | 35.xe-1-0-4-2.GW14.PHL6.ALTER.NET | — |
| 63.111.123.62 | Internet-gw.customer.alter.net | — |
| 63.111.123.63 | — | — |
| 63.111.123.64 | — | — |
| 63.111.123.65 | 200.xe-5-0-1-1.GW1.SCL2.ALTER.NET | — |
| 63.111.123.66 | tbd-gw.customer.alter.net | — |
| 63.111.123.67 | — | — |
| 63.111.123.68 | — | — |
| 63.111.123.69 | 35.xe-0-1-5-0.GW11.EWR6.ALTER.NET | — |
| 63.111.123.70 | Internet-gw.customer.alter.net | — |
| 63.111.123.71 | — | — |
| 63.111.123.72 | — | — |
| 63.111.123.73 | 500.POS1-2.GW10.NYC1.ALTER.NET | — |
| 63.111.123.74 | heartland1-gw10.customer.alter.net | — |
| 63.111.123.75 | — | — |
| 63.111.123.76 | — | — |
| 63.111.123.77 | 55.xe-1-0-1.GW12.HOU7.ALTER.NET | — |
| 63.111.123.78 | khov-gw.customer.alter.net | — |
| 63.111.123.79 | — | — |
| 63.111.123.80 | — | — |
| 63.111.123.81 | 205.xe-4-3-0.GW13.NYC1.ALTER.NET | — |
| 63.111.123.82 | NationalCommunications.customer.alter.net | — |
| 63.111.123.83 | — | — |
| 63.111.123.84 | — | — |
| 63.111.123.85 | 250.xe-2-0-5-3.GW3.PHX2.ALTER.NET | — |
| 63.111.123.86 | tbd-gw.customer.alter.net | — |
| 63.111.123.87 | — | — |
| 63.111.123.88 | — | — |
| 63.111.123.89 | 114.xe-4-1-1.GW12.DCA5.ALTER.NET | — |
| 63.111.123.90 | khov-gw.customer.alter.net | — |
| 63.111.123.91 | — | — |
| 63.111.123.92 | — | — |
| 63.111.123.93 | 26.xe-2-3-0.GW11.PHL6.ALTER.NET | — |
| 63.111.123.94 | spectrotel-gw.customer.alter.net | — |
| 63.111.123.95 | — | — |
| 63.111.123.96 | — | — |
| 63.111.123.97 | 155.xe-7-2-1.GW6.DCA5.ALTER.NET | — |
| 63.111.123.98 | dynalink-gw.customer.alter.net | — |
| 63.111.123.99 | — | — |
| 63.111.123.100 | — | — |
| 63.111.123.101 | ALTER.NET | — |
| 63.111.123.102 | customer.alter.net | — |
| 63.111.123.103 | — | — |
| 63.111.123.104 | — | — |
| 63.111.123.105 | 311.xe-5-2-0.GW15.BOS4.ALTER.NET | — |
| 63.111.123.106 | cvshealth-gw.customer.alter.net | — |
| 63.111.123.107 | — | — |
| 63.111.123.108 | — | — |
| 63.111.123.109 | 48.xe-2-3-0.GW11.PHL6.ALTER.NET | — |
| 63.111.123.110 | Internet-gw.customer.alter.net | — |
| 63.111.123.111 | — | — |
| 63.111.123.112 | — | — |
| 63.111.123.113 | 161.xe-0-3-1.GW2.CHI4.ALTER.NET | — |
| 63.111.123.114 | Internet-gw.customer.alter.net | — |
| 63.111.123.115 | — | — |
| 63.111.123.116 | — | — |
| 63.111.123.117 | 0.xe-2-1-1-1.GW7.DCA6.ALTER.NET | — |
| 63.111.123.118 | Internet-gw.customer.alter.net | — |
| 63.111.123.119 | — | — |
| 63.111.123.120 | — | — |
| 63.111.123.121 | 126.xe-0-0-0.GW5.SLT4.ALTER.NET | — |
| 63.111.123.122 | verizon-gw.customer.alter.net | — |
| 63.111.123.123 | — | — |
| 63.111.123.124 | — | — |
| 63.111.123.125 | 500.MFR59.GW14.NYC4.ALTER.NET | — |
| 63.111.123.126 | eipny-gw-MLFR.customer.alter.net | — |
| 63.111.123.127 | — | — |
| 63.111.123.128 | — | — |
| 63.111.123.129 | 166.xe-1-2-0.GW1.SFO16.ALTER.NET | — |
| 63.111.123.130 | Internet-gw.customer.alter.net | — |
| 63.111.123.131 | — | — |
| 63.111.123.132 | — | — |
| 63.111.123.133 | xe-0-1-0.GW1.MIA19.ALTER.NET | — |
| 63.111.123.134 | netskope-gw.customer.alter.net | — |
| 63.111.123.135 | — | — |
| 63.111.123.136 | — | — |
| 63.111.123.137 | et-1-1-2.GW9.KCY4.ALTER.NET | — |
| 63.111.123.138 | fmr-gw.customer.alter.net | — |
| 63.111.123.139 | — | — |
| 63.111.123.140 | — | — |
| 63.111.123.141 | 500.Serial3-1.GW5.EWR6.ALTER.NET | — |
| 63.111.123.142 | nixon-gw.customer.alter.net | — |
| 63.111.123.143 | — | — |
| 63.111.123.144 | — | — |
| 63.111.123.145 | 165.xe-1-0-2-2.GW14.PHL6.ALTER.NET | — |
| 63.111.123.146 | cvshealth-gw.customer.alter.net | — |
| 63.111.123.147 | — | — |
| 63.111.123.148 | — | — |
| 63.111.123.149 | 184.xe-2-2-1.GW1.CHI6.ALTER.NET | — |
| 63.111.123.150 | cvshealth-gw.customer.alter.net | — |
| 63.111.123.151 | — | — |
| 63.111.123.152 | — | — |
| 63.111.123.153 | 84.xe-1-0-5-2.GW16.NYC1.ALTER.NET | — |
| 63.111.123.154 | granitenet-gw.customer.alter.net | — |
| 63.111.123.155 | — | — |
| 63.111.123.156 | — | — |
| 63.111.123.157 | 59.xe-5-1-4-3.GW11.DCA5.ALTER.NET | — |
| 63.111.123.158 | Internet-gw.customer.alter.net | — |
| 63.111.123.159 | — | — |
| 63.111.123.160 | — | — |
| 63.111.123.161 | 147.xe-4-0-2-1.GW16.BOS4.ALTER.NET | — |
| 63.111.123.162 | NHCGRP-GW.customer.alter.net | — |
| 63.111.123.163 | — | — |
| 63.111.123.164 | — | — |
| 63.111.123.165 | 143.xe-5-0-0.GW8.RIC2.ALTER.NET | — |
| 63.111.123.166 | windstream-gw.customer.alter.net | — |
| 63.111.123.167 | — | — |
| 63.111.123.168 | — | — |
| 63.111.123.169 | 99.xe-10-0-0.GW9.DFW7.ALTER.NET | — |
| 63.111.123.170 | accenture-gw.customer.alter.net | — |
| 63.111.123.171 | — | — |
| 63.111.123.172 | — | — |
| 63.111.123.173 | 17.xe-4-1-5-2.GW16.BOS4.ALTER.NET | — |
| 63.111.123.174 | intentsify-gw.customer.alter.net | — |
| 63.111.123.175 | — | — |
| 63.111.123.176 | — | — |
| 63.111.123.177 | 68.xe-2-0-5-1.GW7.DCA6.ALTER.NET | — |
| 63.111.123.178 | alliedtelecom-gw.customer.alter.net | — |
| 63.111.123.179 | — | — |
| 63.111.123.180 | — | — |
| 63.111.123.181 | 128.xe-5-0-4-0.GW7.RIC2.ALTER.NET | — |
| 63.111.123.182 | Internet-gw.customer.alter.net | — |
| 63.111.123.183 | — | — |
| 63.111.123.184 | — | — |
| 63.111.123.185 | 500.MFR58.GW3.BOS4.ALTER.NET | — |
| 63.111.123.186 | healthstar-gw.customer.alter.net | — |
| 63.111.123.187 | — | — |
| 63.111.123.188 | — | — |
| 63.111.123.189 | 500.Serial2-0-0-2-0.GW16.NYC9.ALTER.NET | — |
| 63.111.123.190 | dreamworksanimationskg-gw.customer.alter.net | — |
| 63.111.123.191 | — | — |
| 63.111.123.192 | — | — |
| 63.111.123.193 | 57.xe-1-3-0.GW1.RIC3.ALTER.NET | — |
| 63.111.123.194 | Internet-gw.customer.alter.net | — |
| 63.111.123.195 | — | — |
| 63.111.123.196 | — | — |
| 63.111.123.197 | 22.xe-4-0-5-3.GW3.NYC41.ALTER.NET | — |
| 63.111.123.198 | Internet-gw.customer.alter.net | — |
| 63.111.123.199 | — | — |
| 63.111.123.200 | — | — |
| 63.111.123.201 | ps327.ALTER.NET | — |
| 63.111.123.202 | Internet-gw.customer.alter.net | — |
| 63.111.123.203 | — | — |
| 63.111.123.204 | — | — |
| 63.111.123.205 | 500.MFR68.GW16.NYC9.ALTER.NET | — |
| 63.111.123.206 | totowa-gw.customer.alter.net | — |
| 63.111.123.207 | — | — |
| 63.111.123.208 | — | — |
| 63.111.123.209 | 10.xe-1-0-0-2.GW18.DFW9.ALTER.NET | — |
| 63.111.123.210 | verizon-gw.customer.alter.net | — |
| 63.111.123.211 | — | — |
| 63.111.123.212 | — | — |
| 63.111.123.213 | 13.xe-2-1-5-0.GW7.DCA6.ALTER.NET | — |
| 63.111.123.214 | masergy-gw.customer.alter.net | — |
| 63.111.123.215 | — | — |
| 63.111.123.216 | — | — |
| 63.111.123.217 | 134.xe-0-1-0.GW3.ORL4.ALTER.NET | — |
| 63.111.123.218 | Internet-gw.customer.alter.net | — |
| 63.111.123.219 | — | — |
| 63.111.123.220 | — | — |
| 63.111.123.221 | 178.xe-0-3-0.GW1.NYC41.ALTER.NET | — |
| 63.111.123.222 | Internet-gw.customer.alter.net | — |
| 63.111.123.223 | — | — |
| 63.111.123.224 | — | — |
| 63.111.123.225 | 358.Serial0-0-0.GW1.CHI1.ALTER.NET | — |
| 63.111.123.226 | durrant-gw.customer.alter.net | — |
| 63.111.123.227 | — | — |
| 63.111.123.228 | — | — |
| 63.111.123.229 | 500.MFR83.GW10.BOS4.ALTER.NET | — |
| 63.111.123.230 | hillirayclinton-gw.customer.alter.net | — |
| 63.111.123.231 | — | — |
| 63.111.123.232 | — | — |
| 63.111.123.233 | 122.xe-4-2-0.GW14.NYC1.ALTER.NET | — |
| 63.111.123.234 | Cyberplace.customer.alter.net | — |
| 63.111.123.235 | — | — |
| 63.111.123.236 | — | — |
| 63.111.123.237 | Serial5-11.GW1.RIC2.ALTER.NET | — |
| 63.111.123.238 | wilink-gw.customer.alter.net | — |
| 63.111.123.239 | — | — |
| 63.111.123.240 | — | — |
| 63.111.123.241 | 323.Serial0-0-0.GW1.CHI1.ALTER.NET | — |
| 63.111.123.242 | durrant-gw.customer.alter.net | — |
| 63.111.123.243 | — | — |
| 63.111.123.244 | — | — |
| 63.111.123.245 | 20.xe-1-3-0.GW2.DCA6.ALTER.NET | — |
| 63.111.123.246 | mosholderinsurance-gw.customer.alter.net | — |
| 63.111.123.247 | — | — |
| 63.111.123.248 | — | — |
| 63.111.123.249 | 23.xe-2-0-4-3.GW7.DCA6.ALTER.NET | — |
| 63.111.123.250 | lovesac-gw.customer.alter.net | — |
| 63.111.123.251 | — | — |
| 63.111.123.252 | — | — |
| 63.111.123.253 | 95.xe-1-0-1-2.GW9.NYC8.ALTER.NET | — |
| 63.111.123.254 | Internet-gw.customer.alter.net | — |
| 63.111.123.255 | — | — |