Les adresses IP débutant par 166.199.0 sont fournies par AT&T Mobility LLC, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.192.0.0/13, le bloc IP comprant les adresses de 166.192.0.0 à 166.199.255.255). Le numéro de système autonome (ASN) est 20057.
| ASN | 20057 |
| IP commençant par | 166.192.0.0 |
| IP se terminant par | 166.199.255.255 |
| Nom ASN | AT&T Mobility LLC |
| CDIR | 166.192.0.0/13 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 16/11/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Doylestown | 40,3325 | -75,1166 | 2017-11-16 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-11-16 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.199.0.0 | 2798059520 | 0 |
| 166.199.0.1 | 2798059521 | 0 |
| 166.199.0.2 | 2798059522 | 0 |
| 166.199.0.3 | 2798059523 | 0 |
| 166.199.0.4 | 2798059524 | 0 |
| 166.199.0.5 | 2798059525 | 0 |
| 166.199.0.6 | 2798059526 | 0 |
| 166.199.0.7 | 2798059527 | 0 |
| 166.199.0.8 | 2798059528 | 0 |
| 166.199.0.9 | 2798059529 | 0 |
| 166.199.0.10 | 2798059530 | 0 |
| 166.199.0.11 | 2798059531 | 0 |
| 166.199.0.12 | 2798059532 | 0 |
| 166.199.0.13 | 2798059533 | 0 |
| 166.199.0.14 | 2798059534 | 0 |
| 166.199.0.15 | 2798059535 | 0 |
| 166.199.0.16 | 2798059536 | 0 |
| 166.199.0.17 | 2798059537 | 0 |
| 166.199.0.18 | 2798059538 | 0 |
| 166.199.0.19 | 2798059539 | 0 |
| 166.199.0.20 | 2798059540 | 0 |
| 166.199.0.21 | 2798059541 | 0 |
| 166.199.0.22 | 2798059542 | 0 |
| 166.199.0.23 | 2798059543 | 0 |
| 166.199.0.24 | 2798059544 | 0 |
| 166.199.0.25 | 2798059545 | 0 |
| 166.199.0.26 | 2798059546 | 0 |
| 166.199.0.27 | 2798059547 | 0 |
| 166.199.0.28 | 2798059548 | 0 |
| 166.199.0.29 | 2798059549 | 0 |
| 166.199.0.30 | 2798059550 | 0 |
| 166.199.0.31 | 2798059551 | 0 |
| 166.199.0.32 | 2798059552 | 0 |
| 166.199.0.33 | 2798059553 | 0 |
| 166.199.0.34 | 2798059554 | 0 |
| 166.199.0.35 | 2798059555 | 0 |
| 166.199.0.36 | 2798059556 | 0 |
| 166.199.0.37 | 2798059557 | 0 |
| 166.199.0.38 | 2798059558 | 0 |
| 166.199.0.39 | 2798059559 | 0 |
| 166.199.0.40 | 2798059560 | 0 |
| 166.199.0.41 | 2798059561 | 0 |
| 166.199.0.42 | 2798059562 | 0 |
| 166.199.0.43 | 2798059563 | 0 |
| 166.199.0.44 | 2798059564 | 0 |
| 166.199.0.45 | 2798059565 | 0 |
| 166.199.0.46 | 2798059566 | 0 |
| 166.199.0.47 | 2798059567 | 0 |
| 166.199.0.48 | 2798059568 | 0 |
| 166.199.0.49 | 2798059569 | 0 |
| 166.199.0.50 | 2798059570 | 0 |
| 166.199.0.51 | 2798059571 | 0 |
| 166.199.0.52 | 2798059572 | 0 |
| 166.199.0.53 | 2798059573 | 0 |
| 166.199.0.54 | 2798059574 | 0 |
| 166.199.0.55 | 2798059575 | 0 |
| 166.199.0.56 | 2798059576 | 0 |
| 166.199.0.57 | 2798059577 | 0 |
| 166.199.0.58 | 2798059578 | 0 |
| 166.199.0.59 | 2798059579 | 0 |
| 166.199.0.60 | 2798059580 | 0 |
| 166.199.0.61 | 2798059581 | 0 |
| 166.199.0.62 | 2798059582 | 0 |
| 166.199.0.63 | 2798059583 | 0 |
| 166.199.0.64 | 2798059584 | 0 |
| 166.199.0.65 | 2798059585 | 0 |
| 166.199.0.66 | 2798059586 | 0 |
| 166.199.0.67 | 2798059587 | 0 |
| 166.199.0.68 | 2798059588 | 0 |
| 166.199.0.69 | 2798059589 | 0 |
| 166.199.0.70 | 2798059590 | 0 |
| 166.199.0.71 | 2798059591 | 0 |
| 166.199.0.72 | 2798059592 | 0 |
| 166.199.0.73 | 2798059593 | 0 |
| 166.199.0.74 | 2798059594 | 0 |
| 166.199.0.75 | 2798059595 | 0 |
| 166.199.0.76 | 2798059596 | 0 |
| 166.199.0.77 | 2798059597 | 0 |
| 166.199.0.78 | 2798059598 | 0 |
| 166.199.0.79 | 2798059599 | 0 |
| 166.199.0.80 | 2798059600 | 0 |
| 166.199.0.81 | 2798059601 | 0 |
| 166.199.0.82 | 2798059602 | 0 |
| 166.199.0.83 | 2798059603 | 0 |
| 166.199.0.84 | 2798059604 | 0 |
| 166.199.0.85 | 2798059605 | 0 |