L'indirizzo IP 172.20.55 è fornito da AT&T Services, Inc., che è di proprietà del CIDR (Classless Inter-Domain Routing) 172.0.0.0/12, IP tra 172.0.0.0 a 172.15.255.255 ). Il numero di sistema autonomo (ASN) è 7018.
| ASN | 7018 |
| IP inizia con | 172.0.0.0 |
| IP finale con | 172.15.255.255 |
| ASN Nome | AT&T Services, Inc. |
| CDIR | 172.0.0.0/12 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 05/07/2017 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | - | - | - | - | 0 | 0 | 2017-07-05 |
| MaxMind | US | United States | - | Valencia | 34,418 | -118,5662 | 2017-07-05 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 172.20.55.0 | 2887005952 | 0 |
| 172.20.55.1 | 2887005953 | 0 |
| 172.20.55.2 | 2887005954 | 0 |
| 172.20.55.3 | 2887005955 | 0 |
| 172.20.55.4 | 2887005956 | 0 |
| 172.20.55.5 | 2887005957 | 0 |
| 172.20.55.6 | 2887005958 | 0 |
| 172.20.55.7 | 2887005959 | 0 |
| 172.20.55.8 | 2887005960 | 0 |
| 172.20.55.9 | 2887005961 | 0 |
| 172.20.55.10 | 2887005962 | 0 |
| 172.20.55.11 | 2887005963 | 0 |
| 172.20.55.12 | 2887005964 | 0 |
| 172.20.55.13 | 2887005965 | 0 |
| 172.20.55.14 | 2887005966 | 0 |
| 172.20.55.15 | 2887005967 | 0 |
| 172.20.55.16 | 2887005968 | 0 |
| 172.20.55.17 | 2887005969 | 0 |
| 172.20.55.18 | 2887005970 | 0 |
| 172.20.55.19 | 2887005971 | 0 |
| 172.20.55.20 | 2887005972 | 0 |
| 172.20.55.21 | 2887005973 | 0 |
| 172.20.55.22 | 2887005974 | 0 |
| 172.20.55.23 | 2887005975 | 0 |
| 172.20.55.24 | 2887005976 | 0 |
| 172.20.55.25 | 2887005977 | 0 |
| 172.20.55.26 | 2887005978 | 0 |
| 172.20.55.27 | 2887005979 | 0 |
| 172.20.55.28 | 2887005980 | 0 |
| 172.20.55.29 | 2887005981 | 0 |
| 172.20.55.30 | 2887005982 | 0 |
| 172.20.55.31 | 2887005983 | 0 |
| 172.20.55.32 | 2887005984 | 0 |
| 172.20.55.33 | 2887005985 | 0 |
| 172.20.55.34 | 2887005986 | 0 |
| 172.20.55.35 | 2887005987 | 0 |
| 172.20.55.36 | 2887005988 | 0 |
| 172.20.55.37 | 2887005989 | 0 |
| 172.20.55.38 | 2887005990 | 0 |
| 172.20.55.39 | 2887005991 | 0 |
| 172.20.55.40 | 2887005992 | 0 |
| 172.20.55.41 | 2887005993 | 0 |
| 172.20.55.42 | 2887005994 | 0 |
| 172.20.55.43 | 2887005995 | 0 |
| 172.20.55.44 | 2887005996 | 0 |
| 172.20.55.45 | 2887005997 | 0 |
| 172.20.55.46 | 2887005998 | 0 |
| 172.20.55.47 | 2887005999 | 0 |
| 172.20.55.48 | 2887006000 | 0 |
| 172.20.55.49 | 2887006001 | 0 |
| 172.20.55.50 | 2887006002 | 0 |
| 172.20.55.51 | 2887006003 | 0 |
| 172.20.55.52 | 2887006004 | 0 |
| 172.20.55.53 | 2887006005 | 0 |
| 172.20.55.54 | 2887006006 | 0 |
| 172.20.55.55 | 2887006007 | 0 |
| 172.20.55.56 | 2887006008 | 0 |
| 172.20.55.57 | 2887006009 | 0 |
| 172.20.55.58 | 2887006010 | 0 |
| 172.20.55.59 | 2887006011 | 0 |
| 172.20.55.60 | 2887006012 | 0 |
| 172.20.55.61 | 2887006013 | 0 |
| 172.20.55.62 | 2887006014 | 0 |
| 172.20.55.63 | 2887006015 | 0 |
| 172.20.55.64 | 2887006016 | 0 |
| 172.20.55.65 | 2887006017 | 0 |
| 172.20.55.66 | 2887006018 | 0 |
| 172.20.55.67 | 2887006019 | 0 |
| 172.20.55.68 | 2887006020 | 0 |
| 172.20.55.69 | 2887006021 | 0 |
| 172.20.55.70 | 2887006022 | 0 |
| 172.20.55.71 | 2887006023 | 0 |
| 172.20.55.72 | 2887006024 | 0 |
| 172.20.55.73 | 2887006025 | 0 |
| 172.20.55.74 | 2887006026 | 0 |
| 172.20.55.75 | 2887006027 | 0 |
| 172.20.55.76 | 2887006028 | 0 |
| 172.20.55.77 | 2887006029 | 0 |
| 172.20.55.78 | 2887006030 | 0 |
| 172.20.55.79 | 2887006031 | 0 |
| 172.20.55.80 | 2887006032 | 0 |
| 172.20.55.81 | 2887006033 | 0 |
| 172.20.55.82 | 2887006034 | 0 |
| 172.20.55.83 | 2887006035 | 0 |
| 172.20.55.84 | 2887006036 | 0 |
| 172.20.55.85 | 2887006037 | 0 |