Les adresses IP débutant par 81.23.103 sont fournies par St.Petersburg, Russia, elles appartiennent au CIDR (Classless Inter-Domain Routing) 81.23.96.0/19, le bloc IP comprant les adresses de 81.23.96.0 à 81.23.127.255). Le numéro de système autonome (ASN) est 24739.
| ASN | 24739 |
| IP commençant par | 81.23.96.0 |
| IP se terminant par | 81.23.127.255 |
| Nom ASN | St.Petersburg, Russia |
| CDIR | 81.23.96.0/19 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 06/07/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | RU | Russie | - | Saint Petersburg | 59,8944 | 30,2642 | 2017-07-06 |
| MaxMind | RU | Russie | - | Saint Petersburg | 60,1256 | 29,8764 | 2017-07-06 |
| Whois | RU | - | - | - | 105 | 62 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.23.103.0 | 1360488192 | 0 |
| 81.23.103.1 | 1360488193 | 0 |
| 81.23.103.2 | 1360488194 | 0 |
| 81.23.103.3 | 1360488195 | 0 |
| 81.23.103.4 | 1360488196 | 0 |
| 81.23.103.5 | 1360488197 | 0 |
| 81.23.103.6 | 1360488198 | 0 |
| 81.23.103.7 | 1360488199 | 0 |
| 81.23.103.8 | 1360488200 | 0 |
| 81.23.103.9 | 1360488201 | 0 |
| 81.23.103.10 | 1360488202 | 0 |
| 81.23.103.11 | 1360488203 | 0 |
| 81.23.103.12 | 1360488204 | 0 |
| 81.23.103.13 | 1360488205 | 0 |
| 81.23.103.14 | 1360488206 | 0 |
| 81.23.103.15 | 1360488207 | 0 |
| 81.23.103.16 | 1360488208 | 0 |
| 81.23.103.17 | 1360488209 | 0 |
| 81.23.103.18 | 1360488210 | 0 |
| 81.23.103.19 | 1360488211 | 0 |
| 81.23.103.20 | 1360488212 | 0 |
| 81.23.103.21 | 1360488213 | 0 |
| 81.23.103.22 | 1360488214 | 0 |
| 81.23.103.23 | 1360488215 | 0 |
| 81.23.103.24 | 1360488216 | 0 |
| 81.23.103.25 | 1360488217 | 0 |
| 81.23.103.26 | 1360488218 | 0 |
| 81.23.103.27 | 1360488219 | 0 |
| 81.23.103.28 | 1360488220 | 0 |
| 81.23.103.29 | 1360488221 | 0 |
| 81.23.103.30 | 1360488222 | 0 |
| 81.23.103.31 | 1360488223 | 0 |
| 81.23.103.32 | 1360488224 | 0 |
| 81.23.103.33 | 1360488225 | 0 |
| 81.23.103.34 | 1360488226 | 0 |
| 81.23.103.35 | 1360488227 | 0 |
| 81.23.103.36 | 1360488228 | 0 |
| 81.23.103.37 | 1360488229 | 0 |
| 81.23.103.38 | 1360488230 | 0 |
| 81.23.103.39 | 1360488231 | 0 |
| 81.23.103.40 | 1360488232 | 0 |
| 81.23.103.41 | 1360488233 | 0 |
| 81.23.103.42 | 1360488234 | 0 |
| 81.23.103.43 | 1360488235 | 0 |
| 81.23.103.44 | 1360488236 | 0 |
| 81.23.103.45 | 1360488237 | 0 |
| 81.23.103.46 | 1360488238 | 0 |
| 81.23.103.47 | 1360488239 | 0 |
| 81.23.103.48 | 1360488240 | 0 |
| 81.23.103.49 | 1360488241 | 0 |
| 81.23.103.50 | 1360488242 | 0 |
| 81.23.103.51 | 1360488243 | 0 |
| 81.23.103.52 | 1360488244 | 0 |
| 81.23.103.53 | 1360488245 | 0 |
| 81.23.103.54 | 1360488246 | 0 |
| 81.23.103.55 | 1360488247 | 0 |
| 81.23.103.56 | 1360488248 | 0 |
| 81.23.103.57 | 1360488249 | 0 |
| 81.23.103.58 | 1360488250 | 0 |
| 81.23.103.59 | 1360488251 | 0 |
| 81.23.103.60 | 1360488252 | 0 |
| 81.23.103.61 | 1360488253 | 0 |
| 81.23.103.62 | 1360488254 | 0 |
| 81.23.103.63 | 1360488255 | 0 |
| 81.23.103.64 | 1360488256 | 0 |
| 81.23.103.65 | 1360488257 | 0 |
| 81.23.103.66 | 1360488258 | 0 |
| 81.23.103.67 | 1360488259 | 0 |
| 81.23.103.68 | 1360488260 | 0 |
| 81.23.103.69 | 1360488261 | 0 |
| 81.23.103.70 | 1360488262 | 0 |
| 81.23.103.71 | 1360488263 | 0 |
| 81.23.103.72 | 1360488264 | 0 |
| 81.23.103.73 | 1360488265 | 0 |
| 81.23.103.74 | 1360488266 | 0 |
| 81.23.103.75 | 1360488267 | 0 |
| 81.23.103.76 | 1360488268 | 0 |
| 81.23.103.77 | 1360488269 | 0 |
| 81.23.103.78 | 1360488270 | 0 |
| 81.23.103.79 | 1360488271 | 0 |
| 81.23.103.80 | 1360488272 | 0 |
| 81.23.103.81 | 1360488273 | 0 |
| 81.23.103.82 | 1360488274 | 0 |
| 81.23.103.83 | 1360488275 | 0 |
| 81.23.103.84 | 1360488276 | 0 |
| 81.23.103.85 | 1360488277 | 0 |