Les adresses IP débutant par 66.72.237 sont fournies par AT&T Services, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 66.72.0.0/15, le bloc IP comprant les adresses de 66.72.0.0 à 66.73.255.255). Le numéro de système autonome (ASN) est 7018.
| ASN | 7018 |
| IP commençant par | 66.72.0.0 |
| IP se terminant par | 66.73.255.255 |
| Nom ASN | AT&T Services, Inc. |
| CDIR | 66.72.0.0/15 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 18/07/2019 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Manitowoc | 44,0886 | -87,6576 | 2019-07-18 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2019-07-18 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 66.72.237.0 | 1112075520 | 0 |
| 66.72.237.1 | 1112075521 | 0 |
| 66.72.237.2 | 1112075522 | 0 |
| 66.72.237.3 | 1112075523 | 0 |
| 66.72.237.4 | 1112075524 | 0 |
| 66.72.237.5 | 1112075525 | 0 |
| 66.72.237.6 | 1112075526 | 0 |
| 66.72.237.7 | 1112075527 | 0 |
| 66.72.237.8 | 1112075528 | 0 |
| 66.72.237.9 | 1112075529 | 0 |
| 66.72.237.10 | 1112075530 | 0 |
| 66.72.237.11 | 1112075531 | 0 |
| 66.72.237.12 | 1112075532 | 0 |
| 66.72.237.13 | 1112075533 | 0 |
| 66.72.237.14 | 1112075534 | 0 |
| 66.72.237.15 | 1112075535 | 0 |
| 66.72.237.16 | 1112075536 | 0 |
| 66.72.237.17 | 1112075537 | 0 |
| 66.72.237.18 | 1112075538 | 0 |
| 66.72.237.19 | 1112075539 | 0 |
| 66.72.237.20 | 1112075540 | 0 |
| 66.72.237.21 | 1112075541 | 0 |
| 66.72.237.22 | 1112075542 | 0 |
| 66.72.237.23 | 1112075543 | 0 |
| 66.72.237.24 | 1112075544 | 0 |
| 66.72.237.25 | 1112075545 | 0 |
| 66.72.237.26 | 1112075546 | 0 |
| 66.72.237.27 | 1112075547 | 0 |
| 66.72.237.28 | 1112075548 | 0 |
| 66.72.237.29 | 1112075549 | 0 |
| 66.72.237.30 | 1112075550 | 0 |
| 66.72.237.31 | 1112075551 | 0 |
| 66.72.237.32 | 1112075552 | 0 |
| 66.72.237.33 | 1112075553 | 0 |
| 66.72.237.34 | 1112075554 | 0 |
| 66.72.237.35 | 1112075555 | 0 |
| 66.72.237.36 | 1112075556 | 0 |
| 66.72.237.37 | 1112075557 | 0 |
| 66.72.237.38 | 1112075558 | 0 |
| 66.72.237.39 | 1112075559 | 0 |
| 66.72.237.40 | 1112075560 | 0 |
| 66.72.237.41 | 1112075561 | 0 |
| 66.72.237.42 | 1112075562 | 0 |
| 66.72.237.43 | 1112075563 | 0 |
| 66.72.237.44 | 1112075564 | 0 |
| 66.72.237.45 | 1112075565 | 0 |
| 66.72.237.46 | 1112075566 | 0 |
| 66.72.237.47 | 1112075567 | 0 |
| 66.72.237.48 | 1112075568 | 0 |
| 66.72.237.49 | 1112075569 | 0 |
| 66.72.237.50 | 1112075570 | 0 |
| 66.72.237.51 | 1112075571 | 0 |
| 66.72.237.52 | 1112075572 | 0 |
| 66.72.237.53 | 1112075573 | 0 |
| 66.72.237.54 | 1112075574 | 0 |
| 66.72.237.55 | 1112075575 | 0 |
| 66.72.237.56 | 1112075576 | 0 |
| 66.72.237.57 | 1112075577 | 0 |
| 66.72.237.58 | 1112075578 | 0 |
| 66.72.237.59 | 1112075579 | 0 |
| 66.72.237.60 | 1112075580 | 0 |
| 66.72.237.61 | 1112075581 | 0 |
| 66.72.237.62 | 1112075582 | 0 |
| 66.72.237.63 | 1112075583 | 0 |
| 66.72.237.64 | 1112075584 | 0 |
| 66.72.237.65 | 1112075585 | 0 |
| 66.72.237.66 | 1112075586 | 0 |
| 66.72.237.67 | 1112075587 | 0 |
| 66.72.237.68 | 1112075588 | 0 |
| 66.72.237.69 | 1112075589 | 0 |
| 66.72.237.70 | 1112075590 | 0 |
| 66.72.237.71 | 1112075591 | 0 |
| 66.72.237.72 | 1112075592 | 0 |
| 66.72.237.73 | 1112075593 | 0 |
| 66.72.237.74 | 1112075594 | 0 |
| 66.72.237.75 | 1112075595 | 0 |
| 66.72.237.76 | 1112075596 | 0 |
| 66.72.237.77 | 1112075597 | 0 |
| 66.72.237.78 | 1112075598 | 0 |
| 66.72.237.79 | 1112075599 | 0 |
| 66.72.237.80 | 1112075600 | 0 |
| 66.72.237.81 | 1112075601 | 0 |
| 66.72.237.82 | 1112075602 | 0 |
| 66.72.237.83 | 1112075603 | 0 |
| 66.72.237.84 | 1112075604 | 0 |
| 66.72.237.85 | 1112075605 | 0 |