The IP address 128.2.91 is provided by Carnegie Mellon University, it's belong to the CDIR (Classless Inter-Domain Routing) 128.2.0.0/16 (range 128.2.0.0 to 128.2.255.255). The autonomous system number (ASN) is 9.
| ASN | 9 |
| IP starting by | 128.2.0.0 |
| IP ending by | 128.2.255.255 |
| ASN Name | Carnegie Mellon University |
| CDIR | 128.2.0.0/16 |
| Numerical IP | |
| Registry | arin |
| Last update | 04/08/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Bloomfield | 40.4609 | -79.9509 | 2017-08-03 |
| MaxMind | US | United States | - | Pittsburgh | 40.4439 | -79.9561 | 2017-08-03 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 128.2.91.0 | 2147638016 | 0 |
| 128.2.91.1 | 2147638017 | 0 |
| 128.2.91.2 | 2147638018 | 0 |
| 128.2.91.3 | 2147638019 | 0 |
| 128.2.91.4 | 2147638020 | 0 |
| 128.2.91.5 | 2147638021 | 0 |
| 128.2.91.6 | 2147638022 | 0 |
| 128.2.91.7 | 2147638023 | 0 |
| 128.2.91.8 | 2147638024 | 0 |
| 128.2.91.9 | 2147638025 | 0 |
| 128.2.91.10 | 2147638026 | 0 |
| 128.2.91.11 | 2147638027 | 0 |
| 128.2.91.12 | 2147638028 | 0 |
| 128.2.91.13 | 2147638029 | 0 |
| 128.2.91.14 | 2147638030 | 0 |
| 128.2.91.15 | 2147638031 | 0 |
| 128.2.91.16 | 2147638032 | 0 |
| 128.2.91.17 | 2147638033 | 0 |
| 128.2.91.18 | 2147638034 | 0 |
| 128.2.91.19 | 2147638035 | 0 |
| 128.2.91.20 | 2147638036 | 0 |
| 128.2.91.21 | 2147638037 | 0 |
| 128.2.91.22 | 2147638038 | 0 |
| 128.2.91.23 | 2147638039 | 0 |
| 128.2.91.24 | 2147638040 | 0 |
| 128.2.91.25 | 2147638041 | 0 |
| 128.2.91.26 | 2147638042 | 0 |
| 128.2.91.27 | 2147638043 | 0 |
| 128.2.91.28 | 2147638044 | 0 |
| 128.2.91.29 | 2147638045 | 0 |
| 128.2.91.30 | 2147638046 | 0 |
| 128.2.91.31 | 2147638047 | 0 |
| 128.2.91.32 | 2147638048 | 0 |
| 128.2.91.33 | 2147638049 | 0 |
| 128.2.91.34 | 2147638050 | 0 |
| 128.2.91.35 | 2147638051 | 0 |
| 128.2.91.36 | 2147638052 | 0 |
| 128.2.91.37 | 2147638053 | 0 |
| 128.2.91.38 | 2147638054 | 0 |
| 128.2.91.39 | 2147638055 | 0 |
| 128.2.91.40 | 2147638056 | 0 |
| 128.2.91.41 | 2147638057 | 0 |
| 128.2.91.42 | 2147638058 | 0 |
| 128.2.91.43 | 2147638059 | 0 |
| 128.2.91.44 | 2147638060 | 0 |
| 128.2.91.45 | 2147638061 | 0 |
| 128.2.91.46 | 2147638062 | 0 |
| 128.2.91.47 | 2147638063 | 0 |
| 128.2.91.48 | 2147638064 | 0 |
| 128.2.91.49 | 2147638065 | 0 |
| 128.2.91.50 | 2147638066 | 0 |
| 128.2.91.51 | 2147638067 | 0 |
| 128.2.91.52 | 2147638068 | 0 |
| 128.2.91.53 | 2147638069 | 0 |
| 128.2.91.54 | 2147638070 | 0 |
| 128.2.91.55 | 2147638071 | 0 |
| 128.2.91.56 | 2147638072 | 0 |
| 128.2.91.57 | 2147638073 | 0 |
| 128.2.91.58 | 2147638074 | 0 |
| 128.2.91.59 | 2147638075 | 0 |
| 128.2.91.60 | 2147638076 | 0 |
| 128.2.91.61 | 2147638077 | 0 |
| 128.2.91.62 | 2147638078 | 0 |
| 128.2.91.63 | 2147638079 | 0 |
| 128.2.91.64 | 2147638080 | 0 |
| 128.2.91.65 | 2147638081 | 0 |
| 128.2.91.66 | 2147638082 | 0 |
| 128.2.91.67 | 2147638083 | 0 |
| 128.2.91.68 | 2147638084 | 0 |
| 128.2.91.69 | 2147638085 | 0 |
| 128.2.91.70 | 2147638086 | 0 |
| 128.2.91.71 | 2147638087 | 0 |
| 128.2.91.72 | 2147638088 | 0 |
| 128.2.91.73 | 2147638089 | 0 |
| 128.2.91.74 | 2147638090 | 0 |
| 128.2.91.75 | 2147638091 | 0 |
| 128.2.91.76 | 2147638092 | 0 |
| 128.2.91.77 | 2147638093 | 0 |
| 128.2.91.78 | 2147638094 | 0 |
| 128.2.91.79 | 2147638095 | 0 |
| 128.2.91.80 | 2147638096 | 0 |
| 128.2.91.81 | 2147638097 | 0 |
| 128.2.91.82 | 2147638098 | 0 |
| 128.2.91.83 | 2147638099 | 0 |
| 128.2.91.84 | 2147638100 | 0 |
| 128.2.91.85 | 2147638101 | 0 |
| IP | Numerical IP | DNS |
| 128.2.91.86 | 2147638102 | 0 |
| 128.2.91.87 | 2147638103 | 0 |
| 128.2.91.88 | 2147638104 | 0 |
| 128.2.91.89 | 2147638105 | 0 |
| 128.2.91.90 | 2147638106 | 0 |
| 128.2.91.91 | 2147638107 | 0 |
| 128.2.91.92 | 2147638108 | 0 |
| 128.2.91.93 | 2147638109 | 0 |
| 128.2.91.94 | 2147638110 | 0 |
| 128.2.91.95 | 2147638111 | 0 |
| 128.2.91.96 | 2147638112 | 0 |
| 128.2.91.97 | 2147638113 | 0 |
| 128.2.91.98 | 2147638114 | 0 |
| 128.2.91.99 | 2147638115 | 0 |
| 128.2.91.100 | 2147638116 | 0 |
| 128.2.91.101 | 2147638117 | 0 |
| 128.2.91.102 | 2147638118 | 0 |
| 128.2.91.103 | 2147638119 | 0 |
| 128.2.91.104 | 2147638120 | 0 |
| 128.2.91.105 | 2147638121 | 0 |
| 128.2.91.106 | 2147638122 | 0 |
| 128.2.91.107 | 2147638123 | 0 |
| 128.2.91.108 | 2147638124 | 0 |
| 128.2.91.109 | 2147638125 | 0 |
| 128.2.91.110 | 2147638126 | 0 |
| 128.2.91.111 | 2147638127 | 0 |
| 128.2.91.112 | 2147638128 | 0 |
| 128.2.91.113 | 2147638129 | 0 |
| 128.2.91.114 | 2147638130 | 0 |
| 128.2.91.115 | 2147638131 | 0 |
| 128.2.91.116 | 2147638132 | 0 |
| 128.2.91.117 | 2147638133 | 0 |
| 128.2.91.118 | 2147638134 | 0 |
| 128.2.91.119 | 2147638135 | 0 |
| 128.2.91.120 | 2147638136 | 0 |
| 128.2.91.121 | 2147638137 | 0 |
| 128.2.91.122 | 2147638138 | 0 |
| 128.2.91.123 | 2147638139 | 0 |
| 128.2.91.124 | 2147638140 | 0 |
| 128.2.91.125 | 2147638141 | 0 |
| 128.2.91.126 | 2147638142 | 0 |
| 128.2.91.127 | 2147638143 | 0 |
| 128.2.91.128 | 2147638144 | 0 |
| 128.2.91.129 | 2147638145 | 0 |
| 128.2.91.130 | 2147638146 | 0 |
| 128.2.91.131 | 2147638147 | 0 |
| 128.2.91.132 | 2147638148 | 0 |
| 128.2.91.133 | 2147638149 | 0 |
| 128.2.91.134 | 2147638150 | 0 |
| 128.2.91.135 | 2147638151 | 0 |
| 128.2.91.136 | 2147638152 | 0 |
| 128.2.91.137 | 2147638153 | 0 |
| 128.2.91.138 | 2147638154 | 0 |
| 128.2.91.139 | 2147638155 | 0 |
| 128.2.91.140 | 2147638156 | 0 |
| 128.2.91.141 | 2147638157 | 0 |
| 128.2.91.142 | 2147638158 | 0 |
| 128.2.91.143 | 2147638159 | 0 |
| 128.2.91.144 | 2147638160 | 0 |
| 128.2.91.145 | 2147638161 | 0 |
| 128.2.91.146 | 2147638162 | 0 |
| 128.2.91.147 | 2147638163 | 0 |
| 128.2.91.148 | 2147638164 | 0 |
| 128.2.91.149 | 2147638165 | 0 |
| 128.2.91.150 | 2147638166 | 0 |
| 128.2.91.151 | 2147638167 | 0 |
| 128.2.91.152 | 2147638168 | 0 |
| 128.2.91.153 | 2147638169 | 0 |
| 128.2.91.154 | 2147638170 | 0 |
| 128.2.91.155 | 2147638171 | 0 |
| 128.2.91.156 | 2147638172 | 0 |
| 128.2.91.157 | 2147638173 | 0 |
| 128.2.91.158 | 2147638174 | 0 |
| 128.2.91.159 | 2147638175 | 0 |
| 128.2.91.160 | 2147638176 | 0 |
| 128.2.91.161 | 2147638177 | 0 |
| 128.2.91.162 | 2147638178 | 0 |
| 128.2.91.163 | 2147638179 | 0 |
| 128.2.91.164 | 2147638180 | 0 |
| 128.2.91.165 | 2147638181 | 0 |
| 128.2.91.166 | 2147638182 | 0 |
| 128.2.91.167 | 2147638183 | 0 |
| 128.2.91.168 | 2147638184 | 0 |
| 128.2.91.169 | 2147638185 | 0 |
| 128.2.91.170 | 2147638186 | 0 |
| 128.2.91.171 | 2147638187 | 0 |
| IP | Numerical IP | DNS |
| 128.2.91.172 | 2147638188 | 0 |
| 128.2.91.173 | 2147638189 | 0 |
| 128.2.91.174 | 2147638190 | 0 |
| 128.2.91.175 | 2147638191 | 0 |
| 128.2.91.176 | 2147638192 | 0 |
| 128.2.91.177 | 2147638193 | 0 |
| 128.2.91.178 | 2147638194 | 0 |
| 128.2.91.179 | 2147638195 | 0 |
| 128.2.91.180 | 2147638196 | 0 |
| 128.2.91.181 | 2147638197 | 0 |
| 128.2.91.182 | 2147638198 | 0 |
| 128.2.91.183 | 2147638199 | 0 |
| 128.2.91.184 | 2147638200 | 0 |
| 128.2.91.185 | 2147638201 | 0 |
| 128.2.91.186 | 2147638202 | 0 |
| 128.2.91.187 | 2147638203 | 0 |
| 128.2.91.188 | 2147638204 | 0 |
| 128.2.91.189 | 2147638205 | 0 |
| 128.2.91.190 | 2147638206 | 0 |
| 128.2.91.191 | 2147638207 | 0 |
| 128.2.91.192 | 2147638208 | 0 |
| 128.2.91.193 | 2147638209 | 0 |
| 128.2.91.194 | 2147638210 | 0 |
| 128.2.91.195 | 2147638211 | 0 |
| 128.2.91.196 | 2147638212 | 0 |
| 128.2.91.197 | 2147638213 | 0 |
| 128.2.91.198 | 2147638214 | 0 |
| 128.2.91.199 | 2147638215 | 0 |
| 128.2.91.200 | 2147638216 | 0 |
| 128.2.91.201 | 2147638217 | 0 |
| 128.2.91.202 | 2147638218 | 0 |
| 128.2.91.203 | 2147638219 | 0 |
| 128.2.91.204 | 2147638220 | 0 |
| 128.2.91.205 | 2147638221 | 0 |
| 128.2.91.206 | 2147638222 | 0 |
| 128.2.91.207 | 2147638223 | 0 |
| 128.2.91.208 | 2147638224 | 0 |
| 128.2.91.209 | 2147638225 | 0 |
| 128.2.91.210 | 2147638226 | 0 |
| 128.2.91.211 | 2147638227 | 0 |
| 128.2.91.212 | 2147638228 | 0 |
| 128.2.91.213 | 2147638229 | 0 |
| 128.2.91.214 | 2147638230 | 0 |
| 128.2.91.215 | 2147638231 | 0 |
| 128.2.91.216 | 2147638232 | 0 |
| 128.2.91.217 | 2147638233 | 0 |
| 128.2.91.218 | 2147638234 | 0 |
| 128.2.91.219 | 2147638235 | 0 |
| 128.2.91.220 | 2147638236 | 0 |
| 128.2.91.221 | 2147638237 | 0 |
| 128.2.91.222 | 2147638238 | 0 |
| 128.2.91.223 | 2147638239 | 0 |
| 128.2.91.224 | 2147638240 | 0 |
| 128.2.91.225 | 2147638241 | 0 |
| 128.2.91.226 | 2147638242 | 0 |
| 128.2.91.227 | 2147638243 | 0 |
| 128.2.91.228 | 2147638244 | 0 |
| 128.2.91.229 | 2147638245 | 0 |
| 128.2.91.230 | 2147638246 | 0 |
| 128.2.91.231 | 2147638247 | 0 |
| 128.2.91.232 | 2147638248 | 0 |
| 128.2.91.233 | 2147638249 | 0 |
| 128.2.91.234 | 2147638250 | 0 |
| 128.2.91.235 | 2147638251 | 0 |
| 128.2.91.236 | 2147638252 | 0 |
| 128.2.91.237 | 2147638253 | 0 |
| 128.2.91.238 | 2147638254 | 0 |
| 128.2.91.239 | 2147638255 | 0 |
| 128.2.91.240 | 2147638256 | 0 |
| 128.2.91.241 | 2147638257 | 0 |
| 128.2.91.242 | 2147638258 | 0 |
| 128.2.91.243 | 2147638259 | 0 |
| 128.2.91.244 | 2147638260 | 0 |
| 128.2.91.245 | 2147638261 | 0 |
| 128.2.91.246 | 2147638262 | 0 |
| 128.2.91.247 | 2147638263 | 0 |
| 128.2.91.248 | 2147638264 | 0 |
| 128.2.91.249 | 2147638265 | 0 |
| 128.2.91.250 | 2147638266 | 0 |
| 128.2.91.251 | 2147638267 | 0 |
| 128.2.91.252 | 2147638268 | 0 |
| 128.2.91.253 | 2147638269 | 0 |
| 128.2.91.254 | 2147638270 | 0 |
| 128.2.91.255 | 2147638271 | 0 |