| 216.243.28.0 | — | — |
| 216.243.28.1 | agg1-sea-g1-20.bb.spectrumnet.us | — |
| 216.243.28.2 | GigabitNW-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.3 | — | — |
| 216.243.28.4 | — | — |
| 216.243.28.5 | agg1-sea-g1-40.bb.spectrumnet.us | — |
| 216.243.28.6 | 3Tier-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.7 | — | — |
| 216.243.28.8 | — | — |
| 216.243.28.9 | cr1-yak-f5-0.bb.spectrumnet.us | Yes |
| 216.243.28.10 | br1-fyak-g4-0-20.bb.spectrumnet.us | Yes |
| 216.243.28.11 | — | — |
| 216.243.28.12 | — | — |
| 216.243.28.13 | agg1-sea-mn-s2-0-1.bb.spectrumnet.us | — |
| 216.243.28.14 | MTI-VAN-T1.demarc.spectrumnet.us | — |
| 216.243.28.15 | — | — |
| 216.243.28.16 | — | — |
| 216.243.28.17 | agg2-sea-p5-0.bb.spectrumnet.us | — |
| 216.243.28.18 | IDA-SEA-622M.demarc.spectrumnet.us | — |
| 216.243.28.19 | — | — |
| 216.243.28.20 | — | — |
| 216.243.28.21 | cr1-tuk-t9-2-652.spectrumnet.us | Yes |
| 216.243.28.22 | br1-fpdx-g1-0.bb.spectrumnet.us | Yes |
| 216.243.28.23 | — | — |
| 216.243.28.24 | — | — |
| 216.243.28.25 | agg4-sea-t7-2-1100.bb.spectrumnet.us | — |
| 216.243.28.26 | MoreWave-VAN-1000M.demarc.spectrumnet.us | — |
| 216.243.28.27 | — | — |
| 216.243.28.28 | — | — |
| 216.243.28.29 | cr1-yak-f5-0.bb.spectrumnet.us | Yes |
| 216.243.28.30 | br1-fyak-g2-0.bb.spectrumnet.us | Yes |
| 216.243.28.31 | — | — |
| 216.243.28.32 | — | — |
| 216.243.28.33 | agg1-sea-mn-s2-0-4.bb.spectrumnet.us | — |
| 216.243.28.34 | br1-fr-s2-0.bb.spectrumnet.us | Yes |
| 216.243.28.35 | — | — |
| 216.243.28.36 | — | — |
| 216.243.28.37 | agg1-sea-mn-s2-0-5.bb.spectrumnet.us | — |
| 216.243.28.38 | br1-fr-s2-1.bb.spectrumnet.us | Yes |
| 216.243.28.39 | — | — |
| 216.243.28.40 | — | — |
| 216.243.28.41 | agg1-sea-mn-s2-0-2.bb.spectrumnet.us | — |
| 216.243.28.42 | br1-fnb-s2-0.bb.spectrumnet.us | Yes |
| 216.243.28.43 | — | — |
| 216.243.28.44 | — | — |
| 216.243.28.45 | agg1-sea-mn-s2-0-3.bb.spectrumnet.us | — |
| 216.243.28.46 | br1-fnb-s2-1.bb.spectrumnet.us | Yes |
| 216.243.28.47 | — | — |
| 216.243.28.48 | — | — |
| 216.243.28.49 | — | — |
| 216.243.28.50 | — | — |
| 216.243.28.51 | — | — |
| 216.243.28.52 | — | — |
| 216.243.28.53 | cr1-ww-g2-2.bb.spectrumnet.us | Yes |
| 216.243.28.54 | br1-corp-ww-g1-0-27.spectrumnet.us | Yes |
| 216.243.28.55 | — | — |
| 216.243.28.56 | — | — |
| 216.243.28.57 | agg1-sea-t7-5.bb.spectrumnet.us | — |
| 216.243.28.58 | Mammoth-SEA-100G.demarc.spectrumnet.us | — |
| 216.243.28.59 | — | — |
| 216.243.28.60 | — | — |
| 216.243.28.61 | br1-sea-s3-1.bb.spectrumnet.us | Yes |
| 216.243.28.62 | br1-feo-s2-0.bb.spectrumnet.us | Yes |
| 216.243.28.63 | — | — |
| 216.243.28.64 | — | — |
| 216.243.28.65 | cr1-tacn-t4-3.bb.spectrumnet.us | Yes |
| 216.243.28.66 | ClickNetwork-TACN-100G.demarc.spectrumnet.us | — |
| 216.243.28.67 | — | — |
| 216.243.28.68 | — | — |
| 216.243.28.69 | cr1-tacs-t4-3.bb.spectrumnet.us | Yes |
| 216.243.28.70 | ClickNetwork-TACS-100G.demarc.spectrumnet.us | — |
| 216.243.28.71 | — | — |
| 216.243.28.72 | — | — |
| 216.243.28.73 | agg1-sea-g2-42.bb.spectrumnet.us | — |
| 216.243.28.74 | br1-fpdx-g4-0.bb.spectrumnet.us | Yes |
| 216.243.28.75 | — | — |
| 216.243.28.76 | — | — |
| 216.243.28.77 | cr1-tuk-g1-24.bb.spectrumnet.us | Yes |
| 216.243.28.78 | digitalfortress-100G-TUK.demarc.spectrumnet.us | — |
| 216.243.28.79 | — | — |
| 216.243.28.80 | — | — |
| 216.243.28.81 | — | — |
| 216.243.28.82 | — | — |
| 216.243.28.83 | — | — |
| 216.243.28.84 | — | — |
| 216.243.28.85 | agg1-sea-g1-37.bb.spectrumnet.us | — |
| 216.243.28.86 | Eltopia-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.87 | — | — |
| 216.243.28.88 | — | — |
| 216.243.28.89 | agg1-sea-g1-36.bb.spectrumnet.us | — |
| 216.243.28.90 | SMART-NET-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.91 | — | — |
| 216.243.28.92 | — | — |
| 216.243.28.93 | agg2-sea-b-t6-8.bb.spectrumnet.us | — |
| 216.243.28.94 | Noanet-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.95 | — | — |
| 216.243.28.96 | — | — |
| 216.243.28.97 | cr1-spk-g2-3.bb.spectrumnet.us | Yes |
| 216.243.28.98 | ge-1-2-spk-cr3.cet.com | — |
| 216.243.28.99 | — | — |
| 216.243.28.100 | — | — |
| 216.243.28.101 | cr2-ww-g4-2.bb.spectrumnet.us | Yes |
| 216.243.28.102 | Whitman-OlinHall-WW-1000M.demarc.spectrumnet.us | — |
| 216.243.28.103 | — | — |
| 216.243.28.104 | — | — |
| 216.243.28.105 | cr1-ww-g2-2.bb.spectrumnet.us | Yes |
| 216.243.28.106 | Whitman-NorthHall-WW-1000M.demarc.spectrumnet.us | — |
| 216.243.28.107 | — | — |
| 216.243.28.108 | — | — |
| 216.243.28.109 | agg1-sea-g1-45.bb.spectrumnet.us | — |
| 216.243.28.110 | modmissioncritical-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.111 | — | — |
| 216.243.28.112 | — | — |
| 216.243.28.113 | agg1-sea-g1-42.bb.spectrumnet.us | — |
| 216.243.28.114 | Fidalgo-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.115 | Fidalgo-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.116 | Fidalgo-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.117 | — | — |
| 216.243.28.118 | — | — |
| 216.243.28.119 | — | — |
| 216.243.28.120 | — | — |
| 216.243.28.121 | cr1-tuk-g1-22.bb.spectrumnet.us | Yes |
| 216.243.28.122 | CoreLink-Customer-1-TUK-1000M.demarc.spectrumnet.us | — |
| 216.243.28.123 | — | — |
| 216.243.28.124 | cr2-sea-B-g1-24.bb.spectrumnet.us | Yes |
| 216.243.28.125 | — | — |
| 216.243.28.126 | Fairpoint-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.127 | — | — |
| 216.243.28.128 | — | — |
| 216.243.28.129 | agg2-sea-g2-1-403.bb.spectrumnet.us | — |
| 216.243.28.130 | MicroRight-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.131 | — | — |
| 216.243.28.132 | — | — |
| 216.243.28.133 | cr1-tuk-t9-2-750.bb.spectrumnet.us | Yes |
| 216.243.28.134 | secure.arzeda.com | — |
| 216.243.28.135 | — | — |
| 216.243.28.136 | — | — |
| 216.243.28.137 | cr1-tuk-g1-12.bb.spectrumnet.us | Yes |
| 216.243.28.138 | CoreLink-TUK-1000M.demarc.spectrumnet.us | — |
| 216.243.28.139 | — | — |
| 216.243.28.140 | — | — |
| 216.243.28.141 | cr1-tuk-g1-13.bb.spectrumnet.us | Yes |
| 216.243.28.142 | Infospace-TUK-1000M.demarc.spectrumnet.us | — |
| 216.243.28.143 | — | — |
| 216.243.28.144 | — | — |
| 216.243.28.145 | agg1-sea-g1-29.bb.spectrumnet.us | — |
| 216.243.28.146 | Starcom-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.147 | — | — |
| 216.243.28.148 | — | — |
| 216.243.28.149 | agg1-sea-t4-2.bb.spectrumnet.us | — |
| 216.243.28.150 | Metapeer-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.151 | — | — |
| 216.243.28.152 | — | — |
| 216.243.28.153 | agg4-sea-t7-1.spectrumnet.us | — |
| 216.243.28.154 | MBC-telecom-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.155 | — | — |
| 216.243.28.156 | — | — |
| 216.243.28.157 | agg1-sea-g1-44.bb.spectrumnet.us | — |
| 216.243.28.158 | noel-sea-10000m.demarc.spectrumnet.us | — |
| 216.243.28.159 | — | — |
| 216.243.28.160 | — | — |
| 216.243.28.161 | Serial1-1.br2-sea18.bb.as11404.net | — |
| 216.243.28.162 | — | — |
| 216.243.28.163 | — | — |
| 216.243.28.164 | — | — |
| 216.243.28.165 | — | — |
| 216.243.28.166 | br1-mti-mainland-s0-0-16.bb.spectrumnet.us | Yes |
| 216.243.28.167 | — | — |
| 216.243.28.168 | — | — |
| 216.243.28.169 | br1-sea-m1000.bb.spectrumnet.us | Yes |
| 216.243.28.170 | Fluor-SEA-3M.demarc.spectrumnet.us | — |
| 216.243.28.171 | — | — |
| 216.243.28.172 | — | — |
| 216.243.28.173 | agg1-sea-p203.bb.spectrumnet.us | — |
| 216.243.28.174 | WowRack-SEA-20G.demarc.spectrumnet.us | — |
| 216.243.28.175 | — | — |
| 216.243.28.176 | — | — |
| 216.243.28.177 | agg1-sea-p204.bb.spectrumnet.us | — |
| 216.243.28.178 | SpectrumCorp-SEA-40G.demarc.spectrumnet.us | — |
| 216.243.28.179 | — | — |
| 216.243.28.180 | — | — |
| 216.243.28.181 | agg2-sea-a-t8-1.bb.spectrumnet.us | — |
| 216.243.28.182 | Noanet-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.183 | — | — |
| 216.243.28.184 | — | — |
| 216.243.28.185 | agg1-sea-t7-3.bb.spectrumnet.us | — |
| 216.243.28.186 | BigFishGames-SEA-100G.demarc.spectrumnet.us | — |
| 216.243.28.187 | — | — |
| 216.243.28.188 | — | — |
| 216.243.28.189 | agg2-sea-b-t6-3.bb.spectrumnet.us | — |
| 216.243.28.190 | Noanet-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.191 | — | — |
| 216.243.28.192 | — | — |
| 216.243.28.193 | agg1-sea-t7-2.bb.spectrumnet.us | — |
| 216.243.28.194 | Tierpoint-SEA-10000M.demarc.spectrumnet.us | — |
| 216.243.28.195 | — | — |
| 216.243.28.196 | — | — |
| 216.243.28.197 | — | — |
| 216.243.28.198 | — | — |
| 216.243.28.199 | — | — |
| 216.243.28.200 | — | — |
| 216.243.28.201 | — | — |
| 216.243.28.202 | — | — |
| 216.243.28.203 | — | — |
| 216.243.28.204 | — | — |
| 216.243.28.205 | cr2-sea-a-be100-4000.bb.as11404.net | Yes |
| 216.243.28.206 | cr1-sea-be100-4000.bb.as54858.net | Yes |
| 216.243.28.207 | — | — |
| 216.243.28.208 | — | — |
| 216.243.28.209 | cr2-pdx-t4-2.bb.spectrumnet.us | Yes |
| 216.243.28.210 | Noanet-PDX-10000M.demarc.spectrumnet.us | — |
| 216.243.28.211 | — | — |
| 216.243.28.212 | — | — |
| 216.243.28.213 | — | — |
| 216.243.28.214 | — | — |
| 216.243.28.215 | — | — |
| 216.243.28.216 | — | — |
| 216.243.28.217 | agg1-ww-v201.bb.spectrumnet.us | — |
| 216.243.28.218 | gateway.viviotech.net | Yes |
| 216.243.28.219 | — | — |
| 216.243.28.220 | — | — |
| 216.243.28.221 | — | — |
| 216.243.28.222 | — | — |
| 216.243.28.223 | — | — |
| 216.243.28.224 | — | — |
| 216.243.28.225 | agg3-sea-s2-0-9.bb.spectrumnet.us | — |
| 216.243.28.226 | s0-1.br0.networkranger.net | — |
| 216.243.28.227 | — | — |
| 216.243.28.228 | — | — |
| 216.243.28.229 | agg3-sea-s2-0-6.bb.spectrumnet.us | — |
| 216.243.28.230 | s0-0-br0.networkranger.net | — |
| 216.243.28.231 | — | — |
| 216.243.28.232 | — | — |
| 216.243.28.233 | agg1-sea-g1-9.bb.spectrumnet.us | — |
| 216.243.28.234 | DomainTools-SEA-1000M.demarc.spectrumnet.us | — |
| 216.243.28.235 | — | — |
| 216.243.28.236 | — | — |
| 216.243.28.237 | agg1-sea-t7-3.bb.spectrumnet.us | — |
| 216.243.28.238 | PopCap-1-SEA-100G.demarc.spectrumnet.us | — |
| 216.243.28.239 | — | — |
| 216.243.28.240 | — | — |
| 216.243.28.241 | agg4-sea-t7-4.bb.spectrumnet.us | — |
| 216.243.28.242 | PopCap-2-SEA-100G.demarc.spectrumnet.us | — |
| 216.243.28.243 | — | — |
| 216.243.28.244 | — | — |
| 216.243.28.245 | — | — |
| 216.243.28.246 | — | — |
| 216.243.28.247 | — | — |
| 216.243.28.248 | — | — |
| 216.243.28.249 | cr1-tuk-t8-1.bb.spectrumnet.us | Yes |
| 216.243.28.250 | WOWRack-TUK-100G.demarc.spectrumnet.us | — |
| 216.243.28.251 | — | — |
| 216.243.28.252 | — | — |
| 216.243.28.253 | — | — |
| 216.243.28.254 | — | — |
| 216.243.28.255 | — | — |