Les adresses IP débutant par 166.172.2 sont fournies par AT&T Mobility LLC, elles appartiennent au CIDR (Classless Inter-Domain Routing) 166.172.0.0/16, le bloc IP comprant les adresses de 166.172.0.0 à 166.172.255.255). Le numéro de système autonome (ASN) est 16572.
| ASN | 16572 |
| IP commençant par | 166.172.0.0 |
| IP se terminant par | 166.172.255.255 |
| Nom ASN | AT&T Mobility LLC |
| CDIR | 166.172.0.0/16 |
| IP numérique | |
| Registe | arin |
| Dernière mise à jour | 22/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Doylestown | 40,3325 | -75,1166 | 2017-07-22 |
| MaxMind | US | États-Unis | - | - | 37,751 | -97,822 | 2017-07-22 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 166.172.2.0 | 2796290560 | 0 |
| 166.172.2.1 | 2796290561 | 0 |
| 166.172.2.2 | 2796290562 | 0 |
| 166.172.2.3 | 2796290563 | 0 |
| 166.172.2.4 | 2796290564 | 0 |
| 166.172.2.5 | 2796290565 | 0 |
| 166.172.2.6 | 2796290566 | 0 |
| 166.172.2.7 | 2796290567 | 0 |
| 166.172.2.8 | 2796290568 | 0 |
| 166.172.2.9 | 2796290569 | 0 |
| 166.172.2.10 | 2796290570 | 0 |
| 166.172.2.11 | 2796290571 | 0 |
| 166.172.2.12 | 2796290572 | 0 |
| 166.172.2.13 | 2796290573 | 0 |
| 166.172.2.14 | 2796290574 | 0 |
| 166.172.2.15 | 2796290575 | 0 |
| 166.172.2.16 | 2796290576 | 0 |
| 166.172.2.17 | 2796290577 | 0 |
| 166.172.2.18 | 2796290578 | 0 |
| 166.172.2.19 | 2796290579 | 0 |
| 166.172.2.20 | 2796290580 | 0 |
| 166.172.2.21 | 2796290581 | 0 |
| 166.172.2.22 | 2796290582 | 0 |
| 166.172.2.23 | 2796290583 | 0 |
| 166.172.2.24 | 2796290584 | 0 |
| 166.172.2.25 | 2796290585 | 0 |
| 166.172.2.26 | 2796290586 | 0 |
| 166.172.2.27 | 2796290587 | 0 |
| 166.172.2.28 | 2796290588 | 0 |
| 166.172.2.29 | 2796290589 | 0 |
| 166.172.2.30 | 2796290590 | 0 |
| 166.172.2.31 | 2796290591 | 0 |
| 166.172.2.32 | 2796290592 | 0 |
| 166.172.2.33 | 2796290593 | 0 |
| 166.172.2.34 | 2796290594 | 0 |
| 166.172.2.35 | 2796290595 | 0 |
| 166.172.2.36 | 2796290596 | 0 |
| 166.172.2.37 | 2796290597 | 0 |
| 166.172.2.38 | 2796290598 | 0 |
| 166.172.2.39 | 2796290599 | 0 |
| 166.172.2.40 | 2796290600 | 0 |
| 166.172.2.41 | 2796290601 | 0 |
| 166.172.2.42 | 2796290602 | 0 |
| 166.172.2.43 | 2796290603 | 0 |
| 166.172.2.44 | 2796290604 | 0 |
| 166.172.2.45 | 2796290605 | 0 |
| 166.172.2.46 | 2796290606 | 0 |
| 166.172.2.47 | 2796290607 | 0 |
| 166.172.2.48 | 2796290608 | 0 |
| 166.172.2.49 | 2796290609 | 0 |
| 166.172.2.50 | 2796290610 | 0 |
| 166.172.2.51 | 2796290611 | 0 |
| 166.172.2.52 | 2796290612 | 0 |
| 166.172.2.53 | 2796290613 | 0 |
| 166.172.2.54 | 2796290614 | 0 |
| 166.172.2.55 | 2796290615 | 0 |
| 166.172.2.56 | 2796290616 | 0 |
| 166.172.2.57 | 2796290617 | 0 |
| 166.172.2.58 | 2796290618 | 0 |
| 166.172.2.59 | 2796290619 | 0 |
| 166.172.2.60 | 2796290620 | 0 |
| 166.172.2.61 | 2796290621 | 0 |
| 166.172.2.62 | 2796290622 | 0 |
| 166.172.2.63 | 2796290623 | 0 |
| 166.172.2.64 | 2796290624 | 0 |
| 166.172.2.65 | 2796290625 | 0 |
| 166.172.2.66 | 2796290626 | 0 |
| 166.172.2.67 | 2796290627 | 0 |
| 166.172.2.68 | 2796290628 | 0 |
| 166.172.2.69 | 2796290629 | 0 |
| 166.172.2.70 | 2796290630 | 0 |
| 166.172.2.71 | 2796290631 | 0 |
| 166.172.2.72 | 2796290632 | 0 |
| 166.172.2.73 | 2796290633 | 0 |
| 166.172.2.74 | 2796290634 | 0 |
| 166.172.2.75 | 2796290635 | 0 |
| 166.172.2.76 | 2796290636 | 0 |
| 166.172.2.77 | 2796290637 | 0 |
| 166.172.2.78 | 2796290638 | 0 |
| 166.172.2.79 | 2796290639 | 0 |
| 166.172.2.80 | 2796290640 | 0 |
| 166.172.2.81 | 2796290641 | 0 |
| 166.172.2.82 | 2796290642 | 0 |
| 166.172.2.83 | 2796290643 | 0 |
| 166.172.2.84 | 2796290644 | 0 |
| 166.172.2.85 | 2796290645 | 0 |