Les adresses IP débutant par 3.77.99 sont fournies par Level 3 Communications, Inc., elles appartiennent au CIDR (Classless Inter-Domain Routing) 4.0.0.0/8, le bloc IP comprant les adresses de 4.0.0.0 à 4.255.255.255). Le numéro de système autonome (ASN) est 3356.
| ASN | 3356 |
| IP commençant par | 4.0.0.0 |
| IP se terminant par | 4.255.255.255 |
| Nom ASN | Level 3 Communications, Inc. |
| CDIR | 4.0.0.0/8 |
| IP numérique | |
| Registe | |
| Dernière mise à jour | 15/01/2018 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Fairfield | 41,2184 | -73,2517 | 2018-01-15 |
| MaxMind | US | États-Unis | - | Fairfield | 41,1412 | -73,2637 | 2018-01-15 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 3.77.99.0 | 55403264 | 0 |
| 3.77.99.1 | 55403265 | 0 |
| 3.77.99.2 | 55403266 | 0 |
| 3.77.99.3 | 55403267 | 0 |
| 3.77.99.4 | 55403268 | 0 |
| 3.77.99.5 | 55403269 | 0 |
| 3.77.99.6 | 55403270 | 0 |
| 3.77.99.7 | 55403271 | 0 |
| 3.77.99.8 | 55403272 | 0 |
| 3.77.99.9 | 55403273 | 0 |
| 3.77.99.10 | 55403274 | 0 |
| 3.77.99.11 | 55403275 | 0 |
| 3.77.99.12 | 55403276 | 0 |
| 3.77.99.13 | 55403277 | 0 |
| 3.77.99.14 | 55403278 | 0 |
| 3.77.99.15 | 55403279 | 0 |
| 3.77.99.16 | 55403280 | 0 |
| 3.77.99.17 | 55403281 | 0 |
| 3.77.99.18 | 55403282 | 0 |
| 3.77.99.19 | 55403283 | 0 |
| 3.77.99.20 | 55403284 | 0 |
| 3.77.99.21 | 55403285 | 0 |
| 3.77.99.22 | 55403286 | 0 |
| 3.77.99.23 | 55403287 | 0 |
| 3.77.99.24 | 55403288 | 0 |
| 3.77.99.25 | 55403289 | 0 |
| 3.77.99.26 | 55403290 | 0 |
| 3.77.99.27 | 55403291 | 0 |
| 3.77.99.28 | 55403292 | 0 |
| 3.77.99.29 | 55403293 | 0 |
| 3.77.99.30 | 55403294 | 0 |
| 3.77.99.31 | 55403295 | 0 |
| 3.77.99.32 | 55403296 | 0 |
| 3.77.99.33 | 55403297 | 0 |
| 3.77.99.34 | 55403298 | 0 |
| 3.77.99.35 | 55403299 | 0 |
| 3.77.99.36 | 55403300 | 0 |
| 3.77.99.37 | 55403301 | 0 |
| 3.77.99.38 | 55403302 | 0 |
| 3.77.99.39 | 55403303 | 0 |
| 3.77.99.40 | 55403304 | 0 |
| 3.77.99.41 | 55403305 | 0 |
| 3.77.99.42 | 55403306 | 0 |
| 3.77.99.43 | 55403307 | 0 |
| 3.77.99.44 | 55403308 | 0 |
| 3.77.99.45 | 55403309 | 0 |
| 3.77.99.46 | 55403310 | 0 |
| 3.77.99.47 | 55403311 | 0 |
| 3.77.99.48 | 55403312 | 0 |
| 3.77.99.49 | 55403313 | 0 |
| 3.77.99.50 | 55403314 | 0 |
| 3.77.99.51 | 55403315 | 0 |
| 3.77.99.52 | 55403316 | 0 |
| 3.77.99.53 | 55403317 | 0 |
| 3.77.99.54 | 55403318 | 0 |
| 3.77.99.55 | 55403319 | 0 |
| 3.77.99.56 | 55403320 | 0 |
| 3.77.99.57 | 55403321 | 0 |
| 3.77.99.58 | 55403322 | 0 |
| 3.77.99.59 | 55403323 | 0 |
| 3.77.99.60 | 55403324 | 0 |
| 3.77.99.61 | 55403325 | 0 |
| 3.77.99.62 | 55403326 | 0 |
| 3.77.99.63 | 55403327 | 0 |
| 3.77.99.64 | 55403328 | 0 |
| 3.77.99.65 | 55403329 | 0 |
| 3.77.99.66 | 55403330 | 0 |
| 3.77.99.67 | 55403331 | 0 |
| 3.77.99.68 | 55403332 | 0 |
| 3.77.99.69 | 55403333 | 0 |
| 3.77.99.70 | 55403334 | 0 |
| 3.77.99.71 | 55403335 | 0 |
| 3.77.99.72 | 55403336 | 0 |
| 3.77.99.73 | 55403337 | 0 |
| 3.77.99.74 | 55403338 | 0 |
| 3.77.99.75 | 55403339 | 0 |
| 3.77.99.76 | 55403340 | 0 |
| 3.77.99.77 | 55403341 | 0 |
| 3.77.99.78 | 55403342 | 0 |
| 3.77.99.79 | 55403343 | 0 |
| 3.77.99.80 | 55403344 | 0 |
| 3.77.99.81 | 55403345 | 0 |
| 3.77.99.82 | 55403346 | 0 |
| 3.77.99.83 | 55403347 | 0 |
| 3.77.99.84 | 55403348 | 0 |
| 3.77.99.85 | 55403349 | 0 |