Les adresses IP débutant par 81.2.163 sont fournies par Cogent Communications, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.2.128.0/18, le bloc IP comprant les adresses de 81.2.128.0 à 81.2.191.255). Le numéro de système autonome (ASN) est 174.
| ASN | 174 |
| IP commençant par | 81.2.128.0 |
| IP se terminant par | 81.2.191.255 |
| Nom ASN | Cogent Communications |
| CDIR | 81.2.128.0/18 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 09/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | New York City | 40,7143 | -74,006 | 2017-08-08 |
| MaxMind | DE | Allemagne | - | - | 51,2993 | 9,491 | 2017-08-08 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.2.163.0 | 1359127296 | 0 |
| 81.2.163.1 | 1359127297 | 0 |
| 81.2.163.2 | 1359127298 | 0 |
| 81.2.163.3 | 1359127299 | 0 |
| 81.2.163.4 | 1359127300 | 0 |
| 81.2.163.5 | 1359127301 | 0 |
| 81.2.163.6 | 1359127302 | 0 |
| 81.2.163.7 | 1359127303 | 0 |
| 81.2.163.8 | 1359127304 | 0 |
| 81.2.163.9 | 1359127305 | 0 |
| 81.2.163.10 | 1359127306 | 0 |
| 81.2.163.11 | 1359127307 | 0 |
| 81.2.163.12 | 1359127308 | 0 |
| 81.2.163.13 | 1359127309 | 0 |
| 81.2.163.14 | 1359127310 | 0 |
| 81.2.163.15 | 1359127311 | 0 |
| 81.2.163.16 | 1359127312 | 0 |
| 81.2.163.17 | 1359127313 | 0 |
| 81.2.163.18 | 1359127314 | 0 |
| 81.2.163.19 | 1359127315 | 0 |
| 81.2.163.20 | 1359127316 | 0 |
| 81.2.163.21 | 1359127317 | 0 |
| 81.2.163.22 | 1359127318 | 0 |
| 81.2.163.23 | 1359127319 | 0 |
| 81.2.163.24 | 1359127320 | 0 |
| 81.2.163.25 | 1359127321 | 0 |
| 81.2.163.26 | 1359127322 | 0 |
| 81.2.163.27 | 1359127323 | 0 |
| 81.2.163.28 | 1359127324 | 0 |
| 81.2.163.29 | 1359127325 | 0 |
| 81.2.163.30 | 1359127326 | 0 |
| 81.2.163.31 | 1359127327 | 0 |
| 81.2.163.32 | 1359127328 | 0 |
| 81.2.163.33 | 1359127329 | 0 |
| 81.2.163.34 | 1359127330 | 0 |
| 81.2.163.35 | 1359127331 | 0 |
| 81.2.163.36 | 1359127332 | 0 |
| 81.2.163.37 | 1359127333 | 0 |
| 81.2.163.38 | 1359127334 | 0 |
| 81.2.163.39 | 1359127335 | 0 |
| 81.2.163.40 | 1359127336 | 0 |
| 81.2.163.41 | 1359127337 | 0 |
| 81.2.163.42 | 1359127338 | 0 |
| 81.2.163.43 | 1359127339 | 0 |
| 81.2.163.44 | 1359127340 | 0 |
| 81.2.163.45 | 1359127341 | 0 |
| 81.2.163.46 | 1359127342 | 0 |
| 81.2.163.47 | 1359127343 | 0 |
| 81.2.163.48 | 1359127344 | 0 |
| 81.2.163.49 | 1359127345 | 0 |
| 81.2.163.50 | 1359127346 | 0 |
| 81.2.163.51 | 1359127347 | 0 |
| 81.2.163.52 | 1359127348 | 0 |
| 81.2.163.53 | 1359127349 | 0 |
| 81.2.163.54 | 1359127350 | 0 |
| 81.2.163.55 | 1359127351 | 0 |
| 81.2.163.56 | 1359127352 | 0 |
| 81.2.163.57 | 1359127353 | 0 |
| 81.2.163.58 | 1359127354 | 0 |
| 81.2.163.59 | 1359127355 | 0 |
| 81.2.163.60 | 1359127356 | 0 |
| 81.2.163.61 | 1359127357 | 0 |
| 81.2.163.62 | 1359127358 | 0 |
| 81.2.163.63 | 1359127359 | 0 |
| 81.2.163.64 | 1359127360 | 0 |
| 81.2.163.65 | 1359127361 | 0 |
| 81.2.163.66 | 1359127362 | 0 |
| 81.2.163.67 | 1359127363 | 0 |
| 81.2.163.68 | 1359127364 | 0 |
| 81.2.163.69 | 1359127365 | 0 |
| 81.2.163.70 | 1359127366 | 0 |
| 81.2.163.71 | 1359127367 | 0 |
| 81.2.163.72 | 1359127368 | 0 |
| 81.2.163.73 | 1359127369 | 0 |
| 81.2.163.74 | 1359127370 | 0 |
| 81.2.163.75 | 1359127371 | 0 |
| 81.2.163.76 | 1359127372 | 0 |
| 81.2.163.77 | 1359127373 | 0 |
| 81.2.163.78 | 1359127374 | 0 |
| 81.2.163.79 | 1359127375 | 0 |
| 81.2.163.80 | 1359127376 | 0 |
| 81.2.163.81 | 1359127377 | 0 |
| 81.2.163.82 | 1359127378 | 0 |
| 81.2.163.83 | 1359127379 | 0 |
| 81.2.163.84 | 1359127380 | 0 |
| 81.2.163.85 | 1359127381 | 0 |
| IP | Numerical IP | DNS |
| 81.2.163.86 | 1359127382 | 0 |
| 81.2.163.87 | 1359127383 | 0 |
| 81.2.163.88 | 1359127384 | 0 |
| 81.2.163.89 | 1359127385 | 0 |
| 81.2.163.90 | 1359127386 | 0 |
| 81.2.163.91 | 1359127387 | 0 |
| 81.2.163.92 | 1359127388 | 0 |
| 81.2.163.93 | 1359127389 | 0 |
| 81.2.163.94 | 1359127390 | 0 |
| 81.2.163.95 | 1359127391 | 0 |
| 81.2.163.96 | 1359127392 | 0 |
| 81.2.163.97 | 1359127393 | 0 |
| 81.2.163.98 | 1359127394 | 0 |
| 81.2.163.99 | 1359127395 | 0 |
| 81.2.163.100 | 1359127396 | 0 |
| 81.2.163.101 | 1359127397 | 0 |
| 81.2.163.102 | 1359127398 | 0 |
| 81.2.163.103 | 1359127399 | 0 |
| 81.2.163.104 | 1359127400 | 0 |
| 81.2.163.105 | 1359127401 | 0 |
| 81.2.163.106 | 1359127402 | 0 |
| 81.2.163.107 | 1359127403 | 0 |
| 81.2.163.108 | 1359127404 | 0 |
| 81.2.163.109 | 1359127405 | 0 |
| 81.2.163.110 | 1359127406 | 0 |
| 81.2.163.111 | 1359127407 | 0 |
| 81.2.163.112 | 1359127408 | 0 |
| 81.2.163.113 | 1359127409 | 0 |
| 81.2.163.114 | 1359127410 | 0 |
| 81.2.163.115 | 1359127411 | 0 |
| 81.2.163.116 | 1359127412 | 0 |
| 81.2.163.117 | 1359127413 | 0 |
| 81.2.163.118 | 1359127414 | 0 |
| 81.2.163.119 | 1359127415 | 0 |
| 81.2.163.120 | 1359127416 | 0 |
| 81.2.163.121 | 1359127417 | 0 |
| 81.2.163.122 | 1359127418 | 0 |
| 81.2.163.123 | 1359127419 | 0 |
| 81.2.163.124 | 1359127420 | 0 |
| 81.2.163.125 | 1359127421 | 0 |
| 81.2.163.126 | 1359127422 | 0 |
| 81.2.163.127 | 1359127423 | 0 |
| 81.2.163.128 | 1359127424 | 0 |
| 81.2.163.129 | 1359127425 | 0 |
| 81.2.163.130 | 1359127426 | 0 |
| 81.2.163.131 | 1359127427 | 0 |
| 81.2.163.132 | 1359127428 | 0 |
| 81.2.163.133 | 1359127429 | 0 |
| 81.2.163.134 | 1359127430 | 0 |
| 81.2.163.135 | 1359127431 | 0 |
| 81.2.163.136 | 1359127432 | 0 |
| 81.2.163.137 | 1359127433 | 0 |
| 81.2.163.138 | 1359127434 | 0 |
| 81.2.163.139 | 1359127435 | 0 |
| 81.2.163.140 | 1359127436 | 0 |
| 81.2.163.141 | 1359127437 | 0 |
| 81.2.163.142 | 1359127438 | 0 |
| 81.2.163.143 | 1359127439 | 0 |
| 81.2.163.144 | 1359127440 | 0 |
| 81.2.163.145 | 1359127441 | 0 |
| 81.2.163.146 | 1359127442 | 0 |
| 81.2.163.147 | 1359127443 | 0 |
| 81.2.163.148 | 1359127444 | 0 |
| 81.2.163.149 | 1359127445 | 0 |
| 81.2.163.150 | 1359127446 | 0 |
| 81.2.163.151 | 1359127447 | 0 |
| 81.2.163.152 | 1359127448 | 0 |
| 81.2.163.153 | 1359127449 | 0 |
| 81.2.163.154 | 1359127450 | 0 |
| 81.2.163.155 | 1359127451 | 0 |
| 81.2.163.156 | 1359127452 | 0 |
| 81.2.163.157 | 1359127453 | 0 |
| 81.2.163.158 | 1359127454 | 0 |
| 81.2.163.159 | 1359127455 | 0 |
| 81.2.163.160 | 1359127456 | 0 |
| 81.2.163.161 | 1359127457 | 0 |
| 81.2.163.162 | 1359127458 | 0 |
| 81.2.163.163 | 1359127459 | 0 |
| 81.2.163.164 | 1359127460 | 0 |
| 81.2.163.165 | 1359127461 | 0 |
| 81.2.163.166 | 1359127462 | 0 |
| 81.2.163.167 | 1359127463 | 0 |
| 81.2.163.168 | 1359127464 | 0 |
| 81.2.163.169 | 1359127465 | 0 |
| 81.2.163.170 | 1359127466 | 0 |
| 81.2.163.171 | 1359127467 | 0 |
| IP | Numerical IP | DNS |
| 81.2.163.172 | 1359127468 | 0 |
| 81.2.163.173 | 1359127469 | 0 |
| 81.2.163.174 | 1359127470 | 0 |
| 81.2.163.175 | 1359127471 | 0 |
| 81.2.163.176 | 1359127472 | 0 |
| 81.2.163.177 | 1359127473 | 0 |
| 81.2.163.178 | 1359127474 | 0 |
| 81.2.163.179 | 1359127475 | 0 |
| 81.2.163.180 | 1359127476 | 0 |
| 81.2.163.181 | 1359127477 | 0 |
| 81.2.163.182 | 1359127478 | 0 |
| 81.2.163.183 | 1359127479 | 0 |
| 81.2.163.184 | 1359127480 | 0 |
| 81.2.163.185 | 1359127481 | 0 |
| 81.2.163.186 | 1359127482 | 0 |
| 81.2.163.187 | 1359127483 | 0 |
| 81.2.163.188 | 1359127484 | 0 |
| 81.2.163.189 | 1359127485 | 0 |
| 81.2.163.190 | 1359127486 | 0 |
| 81.2.163.191 | 1359127487 | 0 |
| 81.2.163.192 | 1359127488 | 0 |
| 81.2.163.193 | 1359127489 | 0 |
| 81.2.163.194 | 1359127490 | 0 |
| 81.2.163.195 | 1359127491 | 0 |
| 81.2.163.196 | 1359127492 | 0 |
| 81.2.163.197 | 1359127493 | 0 |
| 81.2.163.198 | 1359127494 | 0 |
| 81.2.163.199 | 1359127495 | 0 |
| 81.2.163.200 | 1359127496 | 0 |
| 81.2.163.201 | 1359127497 | 0 |
| 81.2.163.202 | 1359127498 | 0 |
| 81.2.163.203 | 1359127499 | 0 |
| 81.2.163.204 | 1359127500 | 0 |
| 81.2.163.205 | 1359127501 | 0 |
| 81.2.163.206 | 1359127502 | 0 |
| 81.2.163.207 | 1359127503 | 0 |
| 81.2.163.208 | 1359127504 | 0 |
| 81.2.163.209 | 1359127505 | 0 |
| 81.2.163.210 | 1359127506 | 0 |
| 81.2.163.211 | 1359127507 | 0 |
| 81.2.163.212 | 1359127508 | 0 |
| 81.2.163.213 | 1359127509 | 0 |
| 81.2.163.214 | 1359127510 | 0 |
| 81.2.163.215 | 1359127511 | 0 |
| 81.2.163.216 | 1359127512 | 0 |
| 81.2.163.217 | 1359127513 | 0 |
| 81.2.163.218 | 1359127514 | 0 |
| 81.2.163.219 | 1359127515 | 0 |
| 81.2.163.220 | 1359127516 | 0 |
| 81.2.163.221 | 1359127517 | 0 |
| 81.2.163.222 | 1359127518 | 0 |
| 81.2.163.223 | 1359127519 | 0 |
| 81.2.163.224 | 1359127520 | 0 |
| 81.2.163.225 | 1359127521 | 0 |
| 81.2.163.226 | 1359127522 | 0 |
| 81.2.163.227 | 1359127523 | 0 |
| 81.2.163.228 | 1359127524 | 0 |
| 81.2.163.229 | 1359127525 | 0 |
| 81.2.163.230 | 1359127526 | 0 |
| 81.2.163.231 | 1359127527 | 0 |
| 81.2.163.232 | 1359127528 | 0 |
| 81.2.163.233 | 1359127529 | 0 |
| 81.2.163.234 | 1359127530 | 0 |
| 81.2.163.235 | 1359127531 | 0 |
| 81.2.163.236 | 1359127532 | 0 |
| 81.2.163.237 | 1359127533 | 0 |
| 81.2.163.238 | 1359127534 | 0 |
| 81.2.163.239 | 1359127535 | 0 |
| 81.2.163.240 | 1359127536 | 0 |
| 81.2.163.241 | 1359127537 | 0 |
| 81.2.163.242 | 1359127538 | 0 |
| 81.2.163.243 | 1359127539 | 0 |
| 81.2.163.244 | 1359127540 | 0 |
| 81.2.163.245 | 1359127541 | 0 |
| 81.2.163.246 | 1359127542 | 0 |
| 81.2.163.247 | 1359127543 | 0 |
| 81.2.163.248 | 1359127544 | 0 |
| 81.2.163.249 | 1359127545 | 0 |
| 81.2.163.250 | 1359127546 | 0 |
| 81.2.163.251 | 1359127547 | 0 |
| 81.2.163.252 | 1359127548 | 0 |
| 81.2.163.253 | 1359127549 | 0 |
| 81.2.163.254 | 1359127550 | 0 |
| 81.2.163.255 | 1359127551 | 0 |