Les adresses IP débutant par 66.138.75 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 66.136.0.0/13, le bloc IP comprant les adresses de 66.136.0.0 à 66.143.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 66.136.0.0 |
| IP se terminant par | 66.143.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 66.136.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 31/12/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Cleburne | 32,3476 | -97,3867 | 2017-12-30 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-12-30 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 66.138.75.0 | 1116359424 | 0 |
| 66.138.75.1 | 1116359425 | 0 |
| 66.138.75.2 | 1116359426 | 0 |
| 66.138.75.3 | 1116359427 | 0 |
| 66.138.75.4 | 1116359428 | 0 |
| 66.138.75.5 | 1116359429 | 0 |
| 66.138.75.6 | 1116359430 | 0 |
| 66.138.75.7 | 1116359431 | 0 |
| 66.138.75.8 | 1116359432 | 0 |
| 66.138.75.9 | 1116359433 | 0 |
| 66.138.75.10 | 1116359434 | 0 |
| 66.138.75.11 | 1116359435 | 0 |
| 66.138.75.12 | 1116359436 | 0 |
| 66.138.75.13 | 1116359437 | 0 |
| 66.138.75.14 | 1116359438 | 0 |
| 66.138.75.15 | 1116359439 | 0 |
| 66.138.75.16 | 1116359440 | 0 |
| 66.138.75.17 | 1116359441 | 0 |
| 66.138.75.18 | 1116359442 | 0 |
| 66.138.75.19 | 1116359443 | 0 |
| 66.138.75.20 | 1116359444 | 0 |
| 66.138.75.21 | 1116359445 | 0 |
| 66.138.75.22 | 1116359446 | 0 |
| 66.138.75.23 | 1116359447 | 0 |
| 66.138.75.24 | 1116359448 | 0 |
| 66.138.75.25 | 1116359449 | 0 |
| 66.138.75.26 | 1116359450 | 0 |
| 66.138.75.27 | 1116359451 | 0 |
| 66.138.75.28 | 1116359452 | 0 |
| 66.138.75.29 | 1116359453 | 0 |
| 66.138.75.30 | 1116359454 | 0 |
| 66.138.75.31 | 1116359455 | 0 |
| 66.138.75.32 | 1116359456 | 0 |
| 66.138.75.33 | 1116359457 | 0 |
| 66.138.75.34 | 1116359458 | 0 |
| 66.138.75.35 | 1116359459 | 0 |
| 66.138.75.36 | 1116359460 | 0 |
| 66.138.75.37 | 1116359461 | 0 |
| 66.138.75.38 | 1116359462 | 0 |
| 66.138.75.39 | 1116359463 | 0 |
| 66.138.75.40 | 1116359464 | 0 |
| 66.138.75.41 | 1116359465 | 0 |
| 66.138.75.42 | 1116359466 | 0 |
| 66.138.75.43 | 1116359467 | 0 |
| 66.138.75.44 | 1116359468 | 0 |
| 66.138.75.45 | 1116359469 | 0 |
| 66.138.75.46 | 1116359470 | 0 |
| 66.138.75.47 | 1116359471 | 0 |
| 66.138.75.48 | 1116359472 | 0 |
| 66.138.75.49 | 1116359473 | 0 |
| 66.138.75.50 | 1116359474 | 0 |
| 66.138.75.51 | 1116359475 | 0 |
| 66.138.75.52 | 1116359476 | 0 |
| 66.138.75.53 | 1116359477 | 0 |
| 66.138.75.54 | 1116359478 | 0 |
| 66.138.75.55 | 1116359479 | 0 |
| 66.138.75.56 | 1116359480 | 0 |
| 66.138.75.57 | 1116359481 | 0 |
| 66.138.75.58 | 1116359482 | 0 |
| 66.138.75.59 | 1116359483 | 0 |
| 66.138.75.60 | 1116359484 | 0 |
| 66.138.75.61 | 1116359485 | 0 |
| 66.138.75.62 | 1116359486 | 0 |
| 66.138.75.63 | 1116359487 | 0 |
| 66.138.75.64 | 1116359488 | 0 |
| 66.138.75.65 | 1116359489 | 0 |
| 66.138.75.66 | 1116359490 | 0 |
| 66.138.75.67 | 1116359491 | 0 |
| 66.138.75.68 | 1116359492 | 0 |
| 66.138.75.69 | 1116359493 | 0 |
| 66.138.75.70 | 1116359494 | 0 |
| 66.138.75.71 | 1116359495 | 0 |
| 66.138.75.72 | 1116359496 | 0 |
| 66.138.75.73 | 1116359497 | 0 |
| 66.138.75.74 | 1116359498 | 0 |
| 66.138.75.75 | 1116359499 | 0 |
| 66.138.75.76 | 1116359500 | 0 |
| 66.138.75.77 | 1116359501 | 0 |
| 66.138.75.78 | 1116359502 | 0 |
| 66.138.75.79 | 1116359503 | 0 |
| 66.138.75.80 | 1116359504 | 0 |
| 66.138.75.81 | 1116359505 | 0 |
| 66.138.75.82 | 1116359506 | 0 |
| 66.138.75.83 | 1116359507 | 0 |
| 66.138.75.84 | 1116359508 | 0 |
| 66.138.75.85 | 1116359509 | 0 |