The IP address 81.91.20 is provided by UBL Informationssysteme GmbH, it's belong to the CDIR (Classless Inter-Domain Routing) 81.91.16.0/21 (range 81.91.16.0 to 81.91.23.255). The autonomous system number (ASN) is 199163.
| ASN | 199163 |
| IP starting by | 81.91.16.0 |
| IP ending by | 81.91.23.255 |
| ASN Name | UBL Informationssysteme GmbH |
| CDIR | 81.91.16.0/21 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 04/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | DE | Germany | - | Isenburg | 50.4833 | 7.6 | 2017-07-04 |
| MaxMind | DE | Germany | - | - | 51.2993 | 9.491 | 2017-07-04 |
| Whois | DE | - | - | - | 10 | 51 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.91.20.0 | 1364923392 | 0 |
| 81.91.20.1 | 1364923393 | 0 |
| 81.91.20.2 | 1364923394 | 0 |
| 81.91.20.3 | 1364923395 | 0 |
| 81.91.20.4 | 1364923396 | 0 |
| 81.91.20.5 | 1364923397 | 0 |
| 81.91.20.6 | 1364923398 | 0 |
| 81.91.20.7 | 1364923399 | 0 |
| 81.91.20.8 | 1364923400 | 0 |
| 81.91.20.9 | 1364923401 | 0 |
| 81.91.20.10 | 1364923402 | 0 |
| 81.91.20.11 | 1364923403 | 0 |
| 81.91.20.12 | 1364923404 | 0 |
| 81.91.20.13 | 1364923405 | 0 |
| 81.91.20.14 | 1364923406 | 0 |
| 81.91.20.15 | 1364923407 | 0 |
| 81.91.20.16 | 1364923408 | 0 |
| 81.91.20.17 | 1364923409 | 0 |
| 81.91.20.18 | 1364923410 | 0 |
| 81.91.20.19 | 1364923411 | 0 |
| 81.91.20.20 | 1364923412 | 0 |
| 81.91.20.21 | 1364923413 | 0 |
| 81.91.20.22 | 1364923414 | 0 |
| 81.91.20.23 | 1364923415 | 0 |
| 81.91.20.24 | 1364923416 | 0 |
| 81.91.20.25 | 1364923417 | 0 |
| 81.91.20.26 | 1364923418 | 0 |
| 81.91.20.27 | 1364923419 | 0 |
| 81.91.20.28 | 1364923420 | 0 |
| 81.91.20.29 | 1364923421 | 0 |
| 81.91.20.30 | 1364923422 | 0 |
| 81.91.20.31 | 1364923423 | 0 |
| 81.91.20.32 | 1364923424 | 0 |
| 81.91.20.33 | 1364923425 | 0 |
| 81.91.20.34 | 1364923426 | 0 |
| 81.91.20.35 | 1364923427 | 0 |
| 81.91.20.36 | 1364923428 | 0 |
| 81.91.20.37 | 1364923429 | 0 |
| 81.91.20.38 | 1364923430 | 0 |
| 81.91.20.39 | 1364923431 | 0 |
| 81.91.20.40 | 1364923432 | 0 |
| 81.91.20.41 | 1364923433 | 0 |
| 81.91.20.42 | 1364923434 | 0 |
| 81.91.20.43 | 1364923435 | 0 |
| 81.91.20.44 | 1364923436 | 0 |
| 81.91.20.45 | 1364923437 | 0 |
| 81.91.20.46 | 1364923438 | 0 |
| 81.91.20.47 | 1364923439 | 0 |
| 81.91.20.48 | 1364923440 | 0 |
| 81.91.20.49 | 1364923441 | 0 |
| 81.91.20.50 | 1364923442 | 0 |
| 81.91.20.51 | 1364923443 | 0 |
| 81.91.20.52 | 1364923444 | 0 |
| 81.91.20.53 | 1364923445 | 0 |
| 81.91.20.54 | 1364923446 | 0 |
| 81.91.20.55 | 1364923447 | 0 |
| 81.91.20.56 | 1364923448 | 0 |
| 81.91.20.57 | 1364923449 | 0 |
| 81.91.20.58 | 1364923450 | 0 |
| 81.91.20.59 | 1364923451 | 0 |
| 81.91.20.60 | 1364923452 | 0 |
| 81.91.20.61 | 1364923453 | 0 |
| 81.91.20.62 | 1364923454 | 0 |
| 81.91.20.63 | 1364923455 | 0 |
| 81.91.20.64 | 1364923456 | 0 |
| 81.91.20.65 | 1364923457 | 0 |
| 81.91.20.66 | 1364923458 | 0 |
| 81.91.20.67 | 1364923459 | 0 |
| 81.91.20.68 | 1364923460 | 0 |
| 81.91.20.69 | 1364923461 | 0 |
| 81.91.20.70 | 1364923462 | 0 |
| 81.91.20.71 | 1364923463 | 0 |
| 81.91.20.72 | 1364923464 | 0 |
| 81.91.20.73 | 1364923465 | 0 |
| 81.91.20.74 | 1364923466 | 0 |
| 81.91.20.75 | 1364923467 | 0 |
| 81.91.20.76 | 1364923468 | 0 |
| 81.91.20.77 | 1364923469 | 0 |
| 81.91.20.78 | 1364923470 | 0 |
| 81.91.20.79 | 1364923471 | 0 |
| 81.91.20.80 | 1364923472 | 0 |
| 81.91.20.81 | 1364923473 | 0 |
| 81.91.20.82 | 1364923474 | 0 |
| 81.91.20.83 | 1364923475 | 0 |
| 81.91.20.84 | 1364923476 | 0 |
| 81.91.20.85 | 1364923477 | 0 |
| IP | Numerical IP | DNS |
| 81.91.20.86 | 1364923478 | 0 |
| 81.91.20.87 | 1364923479 | 0 |
| 81.91.20.88 | 1364923480 | 0 |
| 81.91.20.89 | 1364923481 | 0 |
| 81.91.20.90 | 1364923482 | 0 |
| 81.91.20.91 | 1364923483 | 0 |
| 81.91.20.92 | 1364923484 | 0 |
| 81.91.20.93 | 1364923485 | 0 |
| 81.91.20.94 | 1364923486 | 0 |
| 81.91.20.95 | 1364923487 | 0 |
| 81.91.20.96 | 1364923488 | 0 |
| 81.91.20.97 | 1364923489 | 0 |
| 81.91.20.98 | 1364923490 | 0 |
| 81.91.20.99 | 1364923491 | 0 |
| 81.91.20.100 | 1364923492 | 0 |
| 81.91.20.101 | 1364923493 | 0 |
| 81.91.20.102 | 1364923494 | 0 |
| 81.91.20.103 | 1364923495 | 0 |
| 81.91.20.104 | 1364923496 | 0 |
| 81.91.20.105 | 1364923497 | 0 |
| 81.91.20.106 | 1364923498 | 0 |
| 81.91.20.107 | 1364923499 | 0 |
| 81.91.20.108 | 1364923500 | 0 |
| 81.91.20.109 | 1364923501 | 0 |
| 81.91.20.110 | 1364923502 | 0 |
| 81.91.20.111 | 1364923503 | 0 |
| 81.91.20.112 | 1364923504 | 0 |
| 81.91.20.113 | 1364923505 | 0 |
| 81.91.20.114 | 1364923506 | 0 |
| 81.91.20.115 | 1364923507 | 0 |
| 81.91.20.116 | 1364923508 | 0 |
| 81.91.20.117 | 1364923509 | 0 |
| 81.91.20.118 | 1364923510 | 0 |
| 81.91.20.119 | 1364923511 | 0 |
| 81.91.20.120 | 1364923512 | 0 |
| 81.91.20.121 | 1364923513 | 0 |
| 81.91.20.122 | 1364923514 | 0 |
| 81.91.20.123 | 1364923515 | 0 |
| 81.91.20.124 | 1364923516 | 0 |
| 81.91.20.125 | 1364923517 | 0 |
| 81.91.20.126 | 1364923518 | 0 |
| 81.91.20.127 | 1364923519 | 0 |
| 81.91.20.128 | 1364923520 | 0 |
| 81.91.20.129 | 1364923521 | 0 |
| 81.91.20.130 | 1364923522 | 0 |
| 81.91.20.131 | 1364923523 | 0 |
| 81.91.20.132 | 1364923524 | 0 |
| 81.91.20.133 | 1364923525 | 0 |
| 81.91.20.134 | 1364923526 | 0 |
| 81.91.20.135 | 1364923527 | 0 |
| 81.91.20.136 | 1364923528 | 0 |
| 81.91.20.137 | 1364923529 | 0 |
| 81.91.20.138 | 1364923530 | 0 |
| 81.91.20.139 | 1364923531 | 0 |
| 81.91.20.140 | 1364923532 | 0 |
| 81.91.20.141 | 1364923533 | 0 |
| 81.91.20.142 | 1364923534 | 0 |
| 81.91.20.143 | 1364923535 | 0 |
| 81.91.20.144 | 1364923536 | 0 |
| 81.91.20.145 | 1364923537 | 0 |
| 81.91.20.146 | 1364923538 | 0 |
| 81.91.20.147 | 1364923539 | 0 |
| 81.91.20.148 | 1364923540 | 0 |
| 81.91.20.149 | 1364923541 | 0 |
| 81.91.20.150 | 1364923542 | 0 |
| 81.91.20.151 | 1364923543 | 0 |
| 81.91.20.152 | 1364923544 | 0 |
| 81.91.20.153 | 1364923545 | 0 |
| 81.91.20.154 | 1364923546 | 0 |
| 81.91.20.155 | 1364923547 | 0 |
| 81.91.20.156 | 1364923548 | 0 |
| 81.91.20.157 | 1364923549 | 0 |
| 81.91.20.158 | 1364923550 | 0 |
| 81.91.20.159 | 1364923551 | 0 |
| 81.91.20.160 | 1364923552 | 0 |
| 81.91.20.161 | 1364923553 | 0 |
| 81.91.20.162 | 1364923554 | 0 |
| 81.91.20.163 | 1364923555 | 0 |
| 81.91.20.164 | 1364923556 | 0 |
| 81.91.20.165 | 1364923557 | 0 |
| 81.91.20.166 | 1364923558 | 0 |
| 81.91.20.167 | 1364923559 | 0 |
| 81.91.20.168 | 1364923560 | 0 |
| 81.91.20.169 | 1364923561 | 0 |
| 81.91.20.170 | 1364923562 | 0 |
| 81.91.20.171 | 1364923563 | 0 |
| IP | Numerical IP | DNS |
| 81.91.20.172 | 1364923564 | 0 |
| 81.91.20.173 | 1364923565 | 0 |
| 81.91.20.174 | 1364923566 | 0 |
| 81.91.20.175 | 1364923567 | 0 |
| 81.91.20.176 | 1364923568 | 0 |
| 81.91.20.177 | 1364923569 | 0 |
| 81.91.20.178 | 1364923570 | 0 |
| 81.91.20.179 | 1364923571 | 0 |
| 81.91.20.180 | 1364923572 | 0 |
| 81.91.20.181 | 1364923573 | 0 |
| 81.91.20.182 | 1364923574 | 0 |
| 81.91.20.183 | 1364923575 | 0 |
| 81.91.20.184 | 1364923576 | 0 |
| 81.91.20.185 | 1364923577 | 0 |
| 81.91.20.186 | 1364923578 | 0 |
| 81.91.20.187 | 1364923579 | 0 |
| 81.91.20.188 | 1364923580 | 0 |
| 81.91.20.189 | 1364923581 | 0 |
| 81.91.20.190 | 1364923582 | 0 |
| 81.91.20.191 | 1364923583 | 0 |
| 81.91.20.192 | 1364923584 | 0 |
| 81.91.20.193 | 1364923585 | 0 |
| 81.91.20.194 | 1364923586 | 0 |
| 81.91.20.195 | 1364923587 | 0 |
| 81.91.20.196 | 1364923588 | 0 |
| 81.91.20.197 | 1364923589 | 0 |
| 81.91.20.198 | 1364923590 | 0 |
| 81.91.20.199 | 1364923591 | 0 |
| 81.91.20.200 | 1364923592 | 0 |
| 81.91.20.201 | 1364923593 | 0 |
| 81.91.20.202 | 1364923594 | 0 |
| 81.91.20.203 | 1364923595 | 0 |
| 81.91.20.204 | 1364923596 | 0 |
| 81.91.20.205 | 1364923597 | 0 |
| 81.91.20.206 | 1364923598 | 0 |
| 81.91.20.207 | 1364923599 | 0 |
| 81.91.20.208 | 1364923600 | 0 |
| 81.91.20.209 | 1364923601 | 0 |
| 81.91.20.210 | 1364923602 | 0 |
| 81.91.20.211 | 1364923603 | 0 |
| 81.91.20.212 | 1364923604 | 0 |
| 81.91.20.213 | 1364923605 | 0 |
| 81.91.20.214 | 1364923606 | 0 |
| 81.91.20.215 | 1364923607 | 0 |
| 81.91.20.216 | 1364923608 | 0 |
| 81.91.20.217 | 1364923609 | 0 |
| 81.91.20.218 | 1364923610 | 0 |
| 81.91.20.219 | 1364923611 | 0 |
| 81.91.20.220 | 1364923612 | 0 |
| 81.91.20.221 | 1364923613 | 0 |
| 81.91.20.222 | 1364923614 | 0 |
| 81.91.20.223 | 1364923615 | 0 |
| 81.91.20.224 | 1364923616 | 0 |
| 81.91.20.225 | 1364923617 | 0 |
| 81.91.20.226 | 1364923618 | 0 |
| 81.91.20.227 | 1364923619 | 0 |
| 81.91.20.228 | 1364923620 | 0 |
| 81.91.20.229 | 1364923621 | 0 |
| 81.91.20.230 | 1364923622 | 0 |
| 81.91.20.231 | 1364923623 | 0 |
| 81.91.20.232 | 1364923624 | 0 |
| 81.91.20.233 | 1364923625 | 0 |
| 81.91.20.234 | 1364923626 | 0 |
| 81.91.20.235 | 1364923627 | 0 |
| 81.91.20.236 | 1364923628 | 0 |
| 81.91.20.237 | 1364923629 | 0 |
| 81.91.20.238 | 1364923630 | 0 |
| 81.91.20.239 | 1364923631 | 0 |
| 81.91.20.240 | 1364923632 | 0 |
| 81.91.20.241 | 1364923633 | 0 |
| 81.91.20.242 | 1364923634 | 0 |
| 81.91.20.243 | 1364923635 | 0 |
| 81.91.20.244 | 1364923636 | 0 |
| 81.91.20.245 | 1364923637 | 0 |
| 81.91.20.246 | 1364923638 | 0 |
| 81.91.20.247 | 1364923639 | 0 |
| 81.91.20.248 | 1364923640 | 0 |
| 81.91.20.249 | 1364923641 | 0 |
| 81.91.20.250 | 1364923642 | 0 |
| 81.91.20.251 | 1364923643 | 0 |
| 81.91.20.252 | 1364923644 | 0 |
| 81.91.20.253 | 1364923645 | 0 |
| 81.91.20.254 | 1364923646 | 0 |
| 81.91.20.255 | 1364923647 | 0 |