The IP address 131.5.21 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 131.4.0.0/15 (range 131.4.0.0 to 131.5.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 131.4.0.0 |
| IP ending by | 131.5.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 131.4.0.0/15 |
| Numerical IP | |
| Registry | arin |
| Last update | 07/02/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Columbus | 39.9664 | -83.0128 | 2020-02-07 |
| MaxMind | US | United States | - | Montgomery | 32.404 | -86.2539 | 2020-02-07 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.5.21.0 | 2198148352 | 0 |
| 131.5.21.1 | 2198148353 | 0 |
| 131.5.21.2 | 2198148354 | 0 |
| 131.5.21.3 | 2198148355 | 0 |
| 131.5.21.4 | 2198148356 | 0 |
| 131.5.21.5 | 2198148357 | 0 |
| 131.5.21.6 | 2198148358 | 0 |
| 131.5.21.7 | 2198148359 | 0 |
| 131.5.21.8 | 2198148360 | 0 |
| 131.5.21.9 | 2198148361 | 0 |
| 131.5.21.10 | 2198148362 | 0 |
| 131.5.21.11 | 2198148363 | 0 |
| 131.5.21.12 | 2198148364 | 0 |
| 131.5.21.13 | 2198148365 | 0 |
| 131.5.21.14 | 2198148366 | 0 |
| 131.5.21.15 | 2198148367 | 0 |
| 131.5.21.16 | 2198148368 | 0 |
| 131.5.21.17 | 2198148369 | 0 |
| 131.5.21.18 | 2198148370 | 0 |
| 131.5.21.19 | 2198148371 | 0 |
| 131.5.21.20 | 2198148372 | 0 |
| 131.5.21.21 | 2198148373 | 0 |
| 131.5.21.22 | 2198148374 | 0 |
| 131.5.21.23 | 2198148375 | 0 |
| 131.5.21.24 | 2198148376 | 0 |
| 131.5.21.25 | 2198148377 | 0 |
| 131.5.21.26 | 2198148378 | 0 |
| 131.5.21.27 | 2198148379 | 0 |
| 131.5.21.28 | 2198148380 | 0 |
| 131.5.21.29 | 2198148381 | 0 |
| 131.5.21.30 | 2198148382 | 0 |
| 131.5.21.31 | 2198148383 | 0 |
| 131.5.21.32 | 2198148384 | 0 |
| 131.5.21.33 | 2198148385 | 0 |
| 131.5.21.34 | 2198148386 | 0 |
| 131.5.21.35 | 2198148387 | 0 |
| 131.5.21.36 | 2198148388 | 0 |
| 131.5.21.37 | 2198148389 | 0 |
| 131.5.21.38 | 2198148390 | 0 |
| 131.5.21.39 | 2198148391 | 0 |
| 131.5.21.40 | 2198148392 | 0 |
| 131.5.21.41 | 2198148393 | 0 |
| 131.5.21.42 | 2198148394 | 0 |
| 131.5.21.43 | 2198148395 | 0 |
| 131.5.21.44 | 2198148396 | 0 |
| 131.5.21.45 | 2198148397 | 0 |
| 131.5.21.46 | 2198148398 | 0 |
| 131.5.21.47 | 2198148399 | 0 |
| 131.5.21.48 | 2198148400 | 0 |
| 131.5.21.49 | 2198148401 | 0 |
| 131.5.21.50 | 2198148402 | 0 |
| 131.5.21.51 | 2198148403 | 0 |
| 131.5.21.52 | 2198148404 | 0 |
| 131.5.21.53 | 2198148405 | 0 |
| 131.5.21.54 | 2198148406 | 0 |
| 131.5.21.55 | 2198148407 | 0 |
| 131.5.21.56 | 2198148408 | 0 |
| 131.5.21.57 | 2198148409 | 0 |
| 131.5.21.58 | 2198148410 | 0 |
| 131.5.21.59 | 2198148411 | 0 |
| 131.5.21.60 | 2198148412 | 0 |
| 131.5.21.61 | 2198148413 | 0 |
| 131.5.21.62 | 2198148414 | 0 |
| 131.5.21.63 | 2198148415 | 0 |
| 131.5.21.64 | 2198148416 | 0 |
| 131.5.21.65 | 2198148417 | 0 |
| 131.5.21.66 | 2198148418 | 0 |
| 131.5.21.67 | 2198148419 | 0 |
| 131.5.21.68 | 2198148420 | 0 |
| 131.5.21.69 | 2198148421 | 0 |
| 131.5.21.70 | 2198148422 | 0 |
| 131.5.21.71 | 2198148423 | 0 |
| 131.5.21.72 | 2198148424 | 0 |
| 131.5.21.73 | 2198148425 | 0 |
| 131.5.21.74 | 2198148426 | 0 |
| 131.5.21.75 | 2198148427 | 0 |
| 131.5.21.76 | 2198148428 | 0 |
| 131.5.21.77 | 2198148429 | 0 |
| 131.5.21.78 | 2198148430 | 0 |
| 131.5.21.79 | 2198148431 | 0 |
| 131.5.21.80 | 2198148432 | 0 |
| 131.5.21.81 | 2198148433 | 0 |
| 131.5.21.82 | 2198148434 | 0 |
| 131.5.21.83 | 2198148435 | 0 |
| 131.5.21.84 | 2198148436 | 0 |
| 131.5.21.85 | 2198148437 | 0 |
| IP | Numerical IP | DNS |
| 131.5.21.86 | 2198148438 | 0 |
| 131.5.21.87 | 2198148439 | 0 |
| 131.5.21.88 | 2198148440 | 0 |
| 131.5.21.89 | 2198148441 | 0 |
| 131.5.21.90 | 2198148442 | 0 |
| 131.5.21.91 | 2198148443 | 0 |
| 131.5.21.92 | 2198148444 | 0 |
| 131.5.21.93 | 2198148445 | 0 |
| 131.5.21.94 | 2198148446 | 0 |
| 131.5.21.95 | 2198148447 | 0 |
| 131.5.21.96 | 2198148448 | 0 |
| 131.5.21.97 | 2198148449 | 0 |
| 131.5.21.98 | 2198148450 | 0 |
| 131.5.21.99 | 2198148451 | 0 |
| 131.5.21.100 | 2198148452 | 0 |
| 131.5.21.101 | 2198148453 | 0 |
| 131.5.21.102 | 2198148454 | 0 |
| 131.5.21.103 | 2198148455 | 0 |
| 131.5.21.104 | 2198148456 | 0 |
| 131.5.21.105 | 2198148457 | 0 |
| 131.5.21.106 | 2198148458 | 0 |
| 131.5.21.107 | 2198148459 | 0 |
| 131.5.21.108 | 2198148460 | 0 |
| 131.5.21.109 | 2198148461 | 0 |
| 131.5.21.110 | 2198148462 | 0 |
| 131.5.21.111 | 2198148463 | 0 |
| 131.5.21.112 | 2198148464 | 0 |
| 131.5.21.113 | 2198148465 | 0 |
| 131.5.21.114 | 2198148466 | 0 |
| 131.5.21.115 | 2198148467 | 0 |
| 131.5.21.116 | 2198148468 | 0 |
| 131.5.21.117 | 2198148469 | 0 |
| 131.5.21.118 | 2198148470 | 0 |
| 131.5.21.119 | 2198148471 | 0 |
| 131.5.21.120 | 2198148472 | 0 |
| 131.5.21.121 | 2198148473 | 0 |
| 131.5.21.122 | 2198148474 | 0 |
| 131.5.21.123 | 2198148475 | 0 |
| 131.5.21.124 | 2198148476 | 0 |
| 131.5.21.125 | 2198148477 | 0 |
| 131.5.21.126 | 2198148478 | 0 |
| 131.5.21.127 | 2198148479 | 0 |
| 131.5.21.128 | 2198148480 | 0 |
| 131.5.21.129 | 2198148481 | 0 |
| 131.5.21.130 | 2198148482 | 0 |
| 131.5.21.131 | 2198148483 | 0 |
| 131.5.21.132 | 2198148484 | 0 |
| 131.5.21.133 | 2198148485 | 0 |
| 131.5.21.134 | 2198148486 | 0 |
| 131.5.21.135 | 2198148487 | 0 |
| 131.5.21.136 | 2198148488 | 0 |
| 131.5.21.137 | 2198148489 | 0 |
| 131.5.21.138 | 2198148490 | 0 |
| 131.5.21.139 | 2198148491 | 0 |
| 131.5.21.140 | 2198148492 | 0 |
| 131.5.21.141 | 2198148493 | 0 |
| 131.5.21.142 | 2198148494 | 0 |
| 131.5.21.143 | 2198148495 | 0 |
| 131.5.21.144 | 2198148496 | 0 |
| 131.5.21.145 | 2198148497 | 0 |
| 131.5.21.146 | 2198148498 | 0 |
| 131.5.21.147 | 2198148499 | 0 |
| 131.5.21.148 | 2198148500 | 0 |
| 131.5.21.149 | 2198148501 | 0 |
| 131.5.21.150 | 2198148502 | 0 |
| 131.5.21.151 | 2198148503 | 0 |
| 131.5.21.152 | 2198148504 | 0 |
| 131.5.21.153 | 2198148505 | 0 |
| 131.5.21.154 | 2198148506 | 0 |
| 131.5.21.155 | 2198148507 | 0 |
| 131.5.21.156 | 2198148508 | 0 |
| 131.5.21.157 | 2198148509 | 0 |
| 131.5.21.158 | 2198148510 | 0 |
| 131.5.21.159 | 2198148511 | 0 |
| 131.5.21.160 | 2198148512 | 0 |
| 131.5.21.161 | 2198148513 | 0 |
| 131.5.21.162 | 2198148514 | 0 |
| 131.5.21.163 | 2198148515 | 0 |
| 131.5.21.164 | 2198148516 | 0 |
| 131.5.21.165 | 2198148517 | 0 |
| 131.5.21.166 | 2198148518 | 0 |
| 131.5.21.167 | 2198148519 | 0 |
| 131.5.21.168 | 2198148520 | 0 |
| 131.5.21.169 | 2198148521 | 0 |
| 131.5.21.170 | 2198148522 | 0 |
| 131.5.21.171 | 2198148523 | 0 |
| IP | Numerical IP | DNS |
| 131.5.21.172 | 2198148524 | 0 |
| 131.5.21.173 | 2198148525 | 0 |
| 131.5.21.174 | 2198148526 | 0 |
| 131.5.21.175 | 2198148527 | 0 |
| 131.5.21.176 | 2198148528 | 0 |
| 131.5.21.177 | 2198148529 | 0 |
| 131.5.21.178 | 2198148530 | 0 |
| 131.5.21.179 | 2198148531 | 0 |
| 131.5.21.180 | 2198148532 | 0 |
| 131.5.21.181 | 2198148533 | 0 |
| 131.5.21.182 | 2198148534 | 0 |
| 131.5.21.183 | 2198148535 | 0 |
| 131.5.21.184 | 2198148536 | 0 |
| 131.5.21.185 | 2198148537 | 0 |
| 131.5.21.186 | 2198148538 | 0 |
| 131.5.21.187 | 2198148539 | 0 |
| 131.5.21.188 | 2198148540 | 0 |
| 131.5.21.189 | 2198148541 | 0 |
| 131.5.21.190 | 2198148542 | 0 |
| 131.5.21.191 | 2198148543 | 0 |
| 131.5.21.192 | 2198148544 | 0 |
| 131.5.21.193 | 2198148545 | 0 |
| 131.5.21.194 | 2198148546 | 0 |
| 131.5.21.195 | 2198148547 | 0 |
| 131.5.21.196 | 2198148548 | 0 |
| 131.5.21.197 | 2198148549 | 0 |
| 131.5.21.198 | 2198148550 | 0 |
| 131.5.21.199 | 2198148551 | 0 |
| 131.5.21.200 | 2198148552 | 0 |
| 131.5.21.201 | 2198148553 | 0 |
| 131.5.21.202 | 2198148554 | 0 |
| 131.5.21.203 | 2198148555 | 0 |
| 131.5.21.204 | 2198148556 | 0 |
| 131.5.21.205 | 2198148557 | 0 |
| 131.5.21.206 | 2198148558 | 0 |
| 131.5.21.207 | 2198148559 | 0 |
| 131.5.21.208 | 2198148560 | 0 |
| 131.5.21.209 | 2198148561 | 0 |
| 131.5.21.210 | 2198148562 | 0 |
| 131.5.21.211 | 2198148563 | 0 |
| 131.5.21.212 | 2198148564 | 0 |
| 131.5.21.213 | 2198148565 | 0 |
| 131.5.21.214 | 2198148566 | 0 |
| 131.5.21.215 | 2198148567 | 0 |
| 131.5.21.216 | 2198148568 | 0 |
| 131.5.21.217 | 2198148569 | 0 |
| 131.5.21.218 | 2198148570 | 0 |
| 131.5.21.219 | 2198148571 | 0 |
| 131.5.21.220 | 2198148572 | 0 |
| 131.5.21.221 | 2198148573 | 0 |
| 131.5.21.222 | 2198148574 | 0 |
| 131.5.21.223 | 2198148575 | 0 |
| 131.5.21.224 | 2198148576 | 0 |
| 131.5.21.225 | 2198148577 | 0 |
| 131.5.21.226 | 2198148578 | 0 |
| 131.5.21.227 | 2198148579 | 0 |
| 131.5.21.228 | 2198148580 | 0 |
| 131.5.21.229 | 2198148581 | 0 |
| 131.5.21.230 | 2198148582 | 0 |
| 131.5.21.231 | 2198148583 | 0 |
| 131.5.21.232 | 2198148584 | 0 |
| 131.5.21.233 | 2198148585 | 0 |
| 131.5.21.234 | 2198148586 | 0 |
| 131.5.21.235 | 2198148587 | 0 |
| 131.5.21.236 | 2198148588 | 0 |
| 131.5.21.237 | 2198148589 | 0 |
| 131.5.21.238 | 2198148590 | 0 |
| 131.5.21.239 | 2198148591 | 0 |
| 131.5.21.240 | 2198148592 | 0 |
| 131.5.21.241 | 2198148593 | 0 |
| 131.5.21.242 | 2198148594 | 0 |
| 131.5.21.243 | 2198148595 | 0 |
| 131.5.21.244 | 2198148596 | 0 |
| 131.5.21.245 | 2198148597 | 0 |
| 131.5.21.246 | 2198148598 | 0 |
| 131.5.21.247 | 2198148599 | 0 |
| 131.5.21.248 | 2198148600 | 0 |
| 131.5.21.249 | 2198148601 | 0 |
| 131.5.21.250 | 2198148602 | 0 |
| 131.5.21.251 | 2198148603 | 0 |
| 131.5.21.252 | 2198148604 | 0 |
| 131.5.21.253 | 2198148605 | 0 |
| 131.5.21.254 | 2198148606 | 0 |
| 131.5.21.255 | 2198148607 | 0 |