Les adresses IP débutant par 91.155.21 sont fournies par Helsinki, Finland, elles appartiennent au CIDR (Classless Inter-Domain Routing) 91.152.0.0/13, le bloc IP comprant les adresses de 91.152.0.0 à 91.159.255.255). Le numéro de système autonome (ASN) est 719.
| ASN | 719 |
| IP commençant par | 91.152.0.0 |
| IP se terminant par | 91.159.255.255 |
| Nom ASN | Helsinki, Finland |
| CDIR | 91.152.0.0/13 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 27/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | FI | Finlande | - | Helsinki | 60,1695 | 24,9355 | 2017-07-26 |
| MaxMind | FI | Finlande | - | Helsinki | 60,2257 | 24,8636 | 2017-07-26 |
| Whois | FI | - | - | - | 26 | 62 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 91.155.21.0 | 1536890112 | 0 |
| 91.155.21.1 | 1536890113 | 0 |
| 91.155.21.2 | 1536890114 | 0 |
| 91.155.21.3 | 1536890115 | 0 |
| 91.155.21.4 | 1536890116 | 0 |
| 91.155.21.5 | 1536890117 | 0 |
| 91.155.21.6 | 1536890118 | 0 |
| 91.155.21.7 | 1536890119 | 0 |
| 91.155.21.8 | 1536890120 | 0 |
| 91.155.21.9 | 1536890121 | 0 |
| 91.155.21.10 | 1536890122 | 0 |
| 91.155.21.11 | 1536890123 | 0 |
| 91.155.21.12 | 1536890124 | 0 |
| 91.155.21.13 | 1536890125 | 0 |
| 91.155.21.14 | 1536890126 | 0 |
| 91.155.21.15 | 1536890127 | 0 |
| 91.155.21.16 | 1536890128 | 0 |
| 91.155.21.17 | 1536890129 | 0 |
| 91.155.21.18 | 1536890130 | 0 |
| 91.155.21.19 | 1536890131 | 0 |
| 91.155.21.20 | 1536890132 | 0 |
| 91.155.21.21 | 1536890133 | 0 |
| 91.155.21.22 | 1536890134 | 0 |
| 91.155.21.23 | 1536890135 | 0 |
| 91.155.21.24 | 1536890136 | 0 |
| 91.155.21.25 | 1536890137 | 0 |
| 91.155.21.26 | 1536890138 | 0 |
| 91.155.21.27 | 1536890139 | 0 |
| 91.155.21.28 | 1536890140 | 0 |
| 91.155.21.29 | 1536890141 | 0 |
| 91.155.21.30 | 1536890142 | 0 |
| 91.155.21.31 | 1536890143 | 0 |
| 91.155.21.32 | 1536890144 | 0 |
| 91.155.21.33 | 1536890145 | 0 |
| 91.155.21.34 | 1536890146 | 0 |
| 91.155.21.35 | 1536890147 | 0 |
| 91.155.21.36 | 1536890148 | 0 |
| 91.155.21.37 | 1536890149 | 0 |
| 91.155.21.38 | 1536890150 | 0 |
| 91.155.21.39 | 1536890151 | 0 |
| 91.155.21.40 | 1536890152 | 0 |
| 91.155.21.41 | 1536890153 | 0 |
| 91.155.21.42 | 1536890154 | 0 |
| 91.155.21.43 | 1536890155 | 0 |
| 91.155.21.44 | 1536890156 | 0 |
| 91.155.21.45 | 1536890157 | 0 |
| 91.155.21.46 | 1536890158 | 0 |
| 91.155.21.47 | 1536890159 | 0 |
| 91.155.21.48 | 1536890160 | 0 |
| 91.155.21.49 | 1536890161 | 0 |
| 91.155.21.50 | 1536890162 | 0 |
| 91.155.21.51 | 1536890163 | 0 |
| 91.155.21.52 | 1536890164 | 0 |
| 91.155.21.53 | 1536890165 | 0 |
| 91.155.21.54 | 1536890166 | 0 |
| 91.155.21.55 | 1536890167 | 0 |
| 91.155.21.56 | 1536890168 | 0 |
| 91.155.21.57 | 1536890169 | 0 |
| 91.155.21.58 | 1536890170 | 0 |
| 91.155.21.59 | 1536890171 | 0 |
| 91.155.21.60 | 1536890172 | 0 |
| 91.155.21.61 | 1536890173 | 0 |
| 91.155.21.62 | 1536890174 | 0 |
| 91.155.21.63 | 1536890175 | 0 |
| 91.155.21.64 | 1536890176 | 0 |
| 91.155.21.65 | 1536890177 | 0 |
| 91.155.21.66 | 1536890178 | 0 |
| 91.155.21.67 | 1536890179 | 0 |
| 91.155.21.68 | 1536890180 | 0 |
| 91.155.21.69 | 1536890181 | 0 |
| 91.155.21.70 | 1536890182 | 0 |
| 91.155.21.71 | 1536890183 | 0 |
| 91.155.21.72 | 1536890184 | 0 |
| 91.155.21.73 | 1536890185 | 0 |
| 91.155.21.74 | 1536890186 | 0 |
| 91.155.21.75 | 1536890187 | 0 |
| 91.155.21.76 | 1536890188 | 0 |
| 91.155.21.77 | 1536890189 | 0 |
| 91.155.21.78 | 1536890190 | 0 |
| 91.155.21.79 | 1536890191 | 0 |
| 91.155.21.80 | 1536890192 | 0 |
| 91.155.21.81 | 1536890193 | 0 |
| 91.155.21.82 | 1536890194 | 0 |
| 91.155.21.83 | 1536890195 | 0 |
| 91.155.21.84 | 1536890196 | 0 |
| 91.155.21.85 | 1536890197 | 0 |