Die IP-Adresse 172.2.20 erfolgt über AT&T Services, Inc., es hat gehören zu den GGDV (Classless Inter-Domain Routing) 172.0.0.0/12 (Bereich 172.0.0.0, 172.15.255.255). Die autonomen Systemnummer (ASN) ist 7018.
| ASN | 7018 |
| Ausgehend von IP | 172.0.0.0 |
| Beendigung durch IP | 172.15.255.255 |
| ASN-Namen | AT&T Services, Inc. |
| GGDV | 172.0.0.0/12 |
| Numerische IP | |
| Registrierung | arin |
| Letztes update | 24.09.2017 |

| Vorwahl des Landes | Land | Region | Stadt | Breitengrad | Länge | Letztes update | |
| IP2Location | US | USA | - | San Francisco | 37,7749 | -122,4194 | 2017-09-24 |
| MaxMind | US | USA | - | San Francisco | 37,7484 | -122,4156 | 2017-09-24 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.2.20.0 | 2885817344 | 0 |
| 172.2.20.1 | 2885817345 | 0 |
| 172.2.20.2 | 2885817346 | 0 |
| 172.2.20.3 | 2885817347 | 0 |
| 172.2.20.4 | 2885817348 | 0 |
| 172.2.20.5 | 2885817349 | 0 |
| 172.2.20.6 | 2885817350 | 0 |
| 172.2.20.7 | 2885817351 | 0 |
| 172.2.20.8 | 2885817352 | 0 |
| 172.2.20.9 | 2885817353 | 0 |
| 172.2.20.10 | 2885817354 | 0 |
| 172.2.20.11 | 2885817355 | 0 |
| 172.2.20.12 | 2885817356 | 0 |
| 172.2.20.13 | 2885817357 | 0 |
| 172.2.20.14 | 2885817358 | 0 |
| 172.2.20.15 | 2885817359 | 0 |
| 172.2.20.16 | 2885817360 | 0 |
| 172.2.20.17 | 2885817361 | 0 |
| 172.2.20.18 | 2885817362 | 0 |
| 172.2.20.19 | 2885817363 | 0 |
| 172.2.20.20 | 2885817364 | 0 |
| 172.2.20.21 | 2885817365 | 0 |
| 172.2.20.22 | 2885817366 | 0 |
| 172.2.20.23 | 2885817367 | 0 |
| 172.2.20.24 | 2885817368 | 0 |
| 172.2.20.25 | 2885817369 | 0 |
| 172.2.20.26 | 2885817370 | 0 |
| 172.2.20.27 | 2885817371 | 0 |
| 172.2.20.28 | 2885817372 | 0 |
| 172.2.20.29 | 2885817373 | 0 |
| 172.2.20.30 | 2885817374 | 0 |
| 172.2.20.31 | 2885817375 | 0 |
| 172.2.20.32 | 2885817376 | 0 |
| 172.2.20.33 | 2885817377 | 0 |
| 172.2.20.34 | 2885817378 | 0 |
| 172.2.20.35 | 2885817379 | 0 |
| 172.2.20.36 | 2885817380 | 0 |
| 172.2.20.37 | 2885817381 | 0 |
| 172.2.20.38 | 2885817382 | 0 |
| 172.2.20.39 | 2885817383 | 0 |
| 172.2.20.40 | 2885817384 | 0 |
| 172.2.20.41 | 2885817385 | 0 |
| 172.2.20.42 | 2885817386 | 0 |
| 172.2.20.43 | 2885817387 | 0 |
| 172.2.20.44 | 2885817388 | 0 |
| 172.2.20.45 | 2885817389 | 0 |
| 172.2.20.46 | 2885817390 | 0 |
| 172.2.20.47 | 2885817391 | 0 |
| 172.2.20.48 | 2885817392 | 0 |
| 172.2.20.49 | 2885817393 | 0 |
| 172.2.20.50 | 2885817394 | 0 |
| 172.2.20.51 | 2885817395 | 0 |
| 172.2.20.52 | 2885817396 | 0 |
| 172.2.20.53 | 2885817397 | 0 |
| 172.2.20.54 | 2885817398 | 0 |
| 172.2.20.55 | 2885817399 | 0 |
| 172.2.20.56 | 2885817400 | 0 |
| 172.2.20.57 | 2885817401 | 0 |
| 172.2.20.58 | 2885817402 | 0 |
| 172.2.20.59 | 2885817403 | 0 |
| 172.2.20.60 | 2885817404 | 0 |
| 172.2.20.61 | 2885817405 | 0 |
| 172.2.20.62 | 2885817406 | 0 |
| 172.2.20.63 | 2885817407 | 0 |
| 172.2.20.64 | 2885817408 | 0 |
| 172.2.20.65 | 2885817409 | 0 |
| 172.2.20.66 | 2885817410 | 0 |
| 172.2.20.67 | 2885817411 | 0 |
| 172.2.20.68 | 2885817412 | 0 |
| 172.2.20.69 | 2885817413 | 0 |
| 172.2.20.70 | 2885817414 | 0 |
| 172.2.20.71 | 2885817415 | 0 |
| 172.2.20.72 | 2885817416 | 0 |
| 172.2.20.73 | 2885817417 | 0 |
| 172.2.20.74 | 2885817418 | 0 |
| 172.2.20.75 | 2885817419 | 0 |
| 172.2.20.76 | 2885817420 | 0 |
| 172.2.20.77 | 2885817421 | 0 |
| 172.2.20.78 | 2885817422 | 0 |
| 172.2.20.79 | 2885817423 | 0 |
| 172.2.20.80 | 2885817424 | 0 |
| 172.2.20.81 | 2885817425 | 0 |
| 172.2.20.82 | 2885817426 | 0 |
| 172.2.20.83 | 2885817427 | 0 |
| 172.2.20.84 | 2885817428 | 0 |
| 172.2.20.85 | 2885817429 | 0 |
| IP | Numerical IP | DNS |
| 172.2.20.86 | 2885817430 | 0 |
| 172.2.20.87 | 2885817431 | 0 |
| 172.2.20.88 | 2885817432 | 0 |
| 172.2.20.89 | 2885817433 | 0 |
| 172.2.20.90 | 2885817434 | 0 |
| 172.2.20.91 | 2885817435 | 0 |
| 172.2.20.92 | 2885817436 | 0 |
| 172.2.20.93 | 2885817437 | 0 |
| 172.2.20.94 | 2885817438 | 0 |
| 172.2.20.95 | 2885817439 | 0 |
| 172.2.20.96 | 2885817440 | 0 |
| 172.2.20.97 | 2885817441 | 0 |
| 172.2.20.98 | 2885817442 | 0 |
| 172.2.20.99 | 2885817443 | 0 |
| 172.2.20.100 | 2885817444 | 0 |
| 172.2.20.101 | 2885817445 | 0 |
| 172.2.20.102 | 2885817446 | 0 |
| 172.2.20.103 | 2885817447 | 0 |
| 172.2.20.104 | 2885817448 | 0 |
| 172.2.20.105 | 2885817449 | 0 |
| 172.2.20.106 | 2885817450 | 0 |
| 172.2.20.107 | 2885817451 | 0 |
| 172.2.20.108 | 2885817452 | 0 |
| 172.2.20.109 | 2885817453 | 0 |
| 172.2.20.110 | 2885817454 | 0 |
| 172.2.20.111 | 2885817455 | 0 |
| 172.2.20.112 | 2885817456 | 0 |
| 172.2.20.113 | 2885817457 | 0 |
| 172.2.20.114 | 2885817458 | 0 |
| 172.2.20.115 | 2885817459 | 0 |
| 172.2.20.116 | 2885817460 | 0 |
| 172.2.20.117 | 2885817461 | 0 |
| 172.2.20.118 | 2885817462 | 0 |
| 172.2.20.119 | 2885817463 | 0 |
| 172.2.20.120 | 2885817464 | 0 |
| 172.2.20.121 | 2885817465 | 0 |
| 172.2.20.122 | 2885817466 | 0 |
| 172.2.20.123 | 2885817467 | 0 |
| 172.2.20.124 | 2885817468 | 0 |
| 172.2.20.125 | 2885817469 | 0 |
| 172.2.20.126 | 2885817470 | 0 |
| 172.2.20.127 | 2885817471 | 0 |
| 172.2.20.128 | 2885817472 | 0 |
| 172.2.20.129 | 2885817473 | 0 |
| 172.2.20.130 | 2885817474 | 0 |
| 172.2.20.131 | 2885817475 | 0 |
| 172.2.20.132 | 2885817476 | 0 |
| 172.2.20.133 | 2885817477 | 0 |
| 172.2.20.134 | 2885817478 | 0 |
| 172.2.20.135 | 2885817479 | 0 |
| 172.2.20.136 | 2885817480 | 0 |
| 172.2.20.137 | 2885817481 | 0 |
| 172.2.20.138 | 2885817482 | 0 |
| 172.2.20.139 | 2885817483 | 0 |
| 172.2.20.140 | 2885817484 | 0 |
| 172.2.20.141 | 2885817485 | 0 |
| 172.2.20.142 | 2885817486 | 0 |
| 172.2.20.143 | 2885817487 | 0 |
| 172.2.20.144 | 2885817488 | 0 |
| 172.2.20.145 | 2885817489 | 0 |
| 172.2.20.146 | 2885817490 | 0 |
| 172.2.20.147 | 2885817491 | 0 |
| 172.2.20.148 | 2885817492 | 0 |
| 172.2.20.149 | 2885817493 | 0 |
| 172.2.20.150 | 2885817494 | 0 |
| 172.2.20.151 | 2885817495 | 0 |
| 172.2.20.152 | 2885817496 | 0 |
| 172.2.20.153 | 2885817497 | 0 |
| 172.2.20.154 | 2885817498 | 0 |
| 172.2.20.155 | 2885817499 | 0 |
| 172.2.20.156 | 2885817500 | 0 |
| 172.2.20.157 | 2885817501 | 0 |
| 172.2.20.158 | 2885817502 | 0 |
| 172.2.20.159 | 2885817503 | 0 |
| 172.2.20.160 | 2885817504 | 0 |
| 172.2.20.161 | 2885817505 | 0 |
| 172.2.20.162 | 2885817506 | 0 |
| 172.2.20.163 | 2885817507 | 0 |
| 172.2.20.164 | 2885817508 | 0 |
| 172.2.20.165 | 2885817509 | 0 |
| 172.2.20.166 | 2885817510 | 0 |
| 172.2.20.167 | 2885817511 | 0 |
| 172.2.20.168 | 2885817512 | 0 |
| 172.2.20.169 | 2885817513 | 0 |
| 172.2.20.170 | 2885817514 | 0 |
| 172.2.20.171 | 2885817515 | 0 |
| IP | Numerical IP | DNS |
| 172.2.20.172 | 2885817516 | 0 |
| 172.2.20.173 | 2885817517 | 0 |
| 172.2.20.174 | 2885817518 | 0 |
| 172.2.20.175 | 2885817519 | 0 |
| 172.2.20.176 | 2885817520 | 0 |
| 172.2.20.177 | 2885817521 | 0 |
| 172.2.20.178 | 2885817522 | 0 |
| 172.2.20.179 | 2885817523 | 0 |
| 172.2.20.180 | 2885817524 | 0 |
| 172.2.20.181 | 2885817525 | 0 |
| 172.2.20.182 | 2885817526 | 0 |
| 172.2.20.183 | 2885817527 | 0 |
| 172.2.20.184 | 2885817528 | 0 |
| 172.2.20.185 | 2885817529 | 0 |
| 172.2.20.186 | 2885817530 | 0 |
| 172.2.20.187 | 2885817531 | 0 |
| 172.2.20.188 | 2885817532 | 0 |
| 172.2.20.189 | 2885817533 | 0 |
| 172.2.20.190 | 2885817534 | 0 |
| 172.2.20.191 | 2885817535 | 0 |
| 172.2.20.192 | 2885817536 | 0 |
| 172.2.20.193 | 2885817537 | 0 |
| 172.2.20.194 | 2885817538 | 0 |
| 172.2.20.195 | 2885817539 | 0 |
| 172.2.20.196 | 2885817540 | 0 |
| 172.2.20.197 | 2885817541 | 0 |
| 172.2.20.198 | 2885817542 | 0 |
| 172.2.20.199 | 2885817543 | 0 |
| 172.2.20.200 | 2885817544 | 0 |
| 172.2.20.201 | 2885817545 | 0 |
| 172.2.20.202 | 2885817546 | 0 |
| 172.2.20.203 | 2885817547 | 0 |
| 172.2.20.204 | 2885817548 | 0 |
| 172.2.20.205 | 2885817549 | 0 |
| 172.2.20.206 | 2885817550 | 0 |
| 172.2.20.207 | 2885817551 | 0 |
| 172.2.20.208 | 2885817552 | 0 |
| 172.2.20.209 | 2885817553 | 0 |
| 172.2.20.210 | 2885817554 | 0 |
| 172.2.20.211 | 2885817555 | 0 |
| 172.2.20.212 | 2885817556 | 0 |
| 172.2.20.213 | 2885817557 | 0 |
| 172.2.20.214 | 2885817558 | 0 |
| 172.2.20.215 | 2885817559 | 0 |
| 172.2.20.216 | 2885817560 | 0 |
| 172.2.20.217 | 2885817561 | 0 |
| 172.2.20.218 | 2885817562 | 0 |
| 172.2.20.219 | 2885817563 | 0 |
| 172.2.20.220 | 2885817564 | 0 |
| 172.2.20.221 | 2885817565 | 0 |
| 172.2.20.222 | 2885817566 | 0 |
| 172.2.20.223 | 2885817567 | 0 |
| 172.2.20.224 | 2885817568 | 0 |
| 172.2.20.225 | 2885817569 | 0 |
| 172.2.20.226 | 2885817570 | 0 |
| 172.2.20.227 | 2885817571 | 0 |
| 172.2.20.228 | 2885817572 | 0 |
| 172.2.20.229 | 2885817573 | 0 |
| 172.2.20.230 | 2885817574 | 0 |
| 172.2.20.231 | 2885817575 | 0 |
| 172.2.20.232 | 2885817576 | 0 |
| 172.2.20.233 | 2885817577 | 0 |
| 172.2.20.234 | 2885817578 | 0 |
| 172.2.20.235 | 2885817579 | 0 |
| 172.2.20.236 | 2885817580 | 0 |
| 172.2.20.237 | 2885817581 | 0 |
| 172.2.20.238 | 2885817582 | 0 |
| 172.2.20.239 | 2885817583 | 0 |
| 172.2.20.240 | 2885817584 | 0 |
| 172.2.20.241 | 2885817585 | 0 |
| 172.2.20.242 | 2885817586 | 0 |
| 172.2.20.243 | 2885817587 | 0 |
| 172.2.20.244 | 2885817588 | 0 |
| 172.2.20.245 | 2885817589 | 0 |
| 172.2.20.246 | 2885817590 | 0 |
| 172.2.20.247 | 2885817591 | 0 |
| 172.2.20.248 | 2885817592 | 0 |
| 172.2.20.249 | 2885817593 | 0 |
| 172.2.20.250 | 2885817594 | 0 |
| 172.2.20.251 | 2885817595 | 0 |
| 172.2.20.252 | 2885817596 | 0 |
| 172.2.20.253 | 2885817597 | 0 |
| 172.2.20.254 | 2885817598 | 0 |
| 172.2.20.255 | 2885817599 | 0 |