Les adresses IP débutant par 131.211.0 sont fournies par SURFnet, elles appartiennent au CIDR (Classless Inter-Domain Routing) 131.211.0.0/16, le bloc IP comprant les adresses de 131.211.0.0 à 131.211.255.255). Le numéro de système autonome (ASN) est 1103.
| ASN | 1103 |
| IP commençant par | 131.211.0.0 |
| IP se terminant par | 131.211.255.255 |
| Nom ASN | SURFnet |
| CDIR | 131.211.0.0/16 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 12/08/2020 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | US | États-Unis | - | Minneapolis | 44,9809 | -93,2263 | 2020-08-11 |
| MaxMind | US | États-Unis | - | Duluth | 46,8098 | -92,0721 | 2020-08-11 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 131.211.0.0 | 2211643392 | 0 |
| 131.211.0.1 | 2211643393 | 0 |
| 131.211.0.2 | 2211643394 | 0 |
| 131.211.0.3 | 2211643395 | 0 |
| 131.211.0.4 | 2211643396 | 0 |
| 131.211.0.5 | 2211643397 | 0 |
| 131.211.0.6 | 2211643398 | 0 |
| 131.211.0.7 | 2211643399 | 0 |
| 131.211.0.8 | 2211643400 | 0 |
| 131.211.0.9 | 2211643401 | 0 |
| 131.211.0.10 | 2211643402 | 0 |
| 131.211.0.11 | 2211643403 | 0 |
| 131.211.0.12 | 2211643404 | 0 |
| 131.211.0.13 | 2211643405 | 0 |
| 131.211.0.14 | 2211643406 | 0 |
| 131.211.0.15 | 2211643407 | 0 |
| 131.211.0.16 | 2211643408 | 0 |
| 131.211.0.17 | 2211643409 | 0 |
| 131.211.0.18 | 2211643410 | 0 |
| 131.211.0.19 | 2211643411 | 0 |
| 131.211.0.20 | 2211643412 | 0 |
| 131.211.0.21 | 2211643413 | 0 |
| 131.211.0.22 | 2211643414 | 0 |
| 131.211.0.23 | 2211643415 | 0 |
| 131.211.0.24 | 2211643416 | 0 |
| 131.211.0.25 | 2211643417 | 0 |
| 131.211.0.26 | 2211643418 | 0 |
| 131.211.0.27 | 2211643419 | 0 |
| 131.211.0.28 | 2211643420 | 0 |
| 131.211.0.29 | 2211643421 | 0 |
| 131.211.0.30 | 2211643422 | 0 |
| 131.211.0.31 | 2211643423 | 0 |
| 131.211.0.32 | 2211643424 | 0 |
| 131.211.0.33 | 2211643425 | 0 |
| 131.211.0.34 | 2211643426 | 0 |
| 131.211.0.35 | 2211643427 | 0 |
| 131.211.0.36 | 2211643428 | 0 |
| 131.211.0.37 | 2211643429 | 0 |
| 131.211.0.38 | 2211643430 | 0 |
| 131.211.0.39 | 2211643431 | 0 |
| 131.211.0.40 | 2211643432 | 0 |
| 131.211.0.41 | 2211643433 | 0 |
| 131.211.0.42 | 2211643434 | 0 |
| 131.211.0.43 | 2211643435 | 0 |
| 131.211.0.44 | 2211643436 | 0 |
| 131.211.0.45 | 2211643437 | 0 |
| 131.211.0.46 | 2211643438 | 0 |
| 131.211.0.47 | 2211643439 | 0 |
| 131.211.0.48 | 2211643440 | 0 |
| 131.211.0.49 | 2211643441 | 0 |
| 131.211.0.50 | 2211643442 | 0 |
| 131.211.0.51 | 2211643443 | 0 |
| 131.211.0.52 | 2211643444 | 0 |
| 131.211.0.53 | 2211643445 | 0 |
| 131.211.0.54 | 2211643446 | 0 |
| 131.211.0.55 | 2211643447 | 0 |
| 131.211.0.56 | 2211643448 | 0 |
| 131.211.0.57 | 2211643449 | 0 |
| 131.211.0.58 | 2211643450 | 0 |
| 131.211.0.59 | 2211643451 | 0 |
| 131.211.0.60 | 2211643452 | 0 |
| 131.211.0.61 | 2211643453 | 0 |
| 131.211.0.62 | 2211643454 | 0 |
| 131.211.0.63 | 2211643455 | 0 |
| 131.211.0.64 | 2211643456 | 0 |
| 131.211.0.65 | 2211643457 | 0 |
| 131.211.0.66 | 2211643458 | 0 |
| 131.211.0.67 | 2211643459 | 0 |
| 131.211.0.68 | 2211643460 | 0 |
| 131.211.0.69 | 2211643461 | 0 |
| 131.211.0.70 | 2211643462 | 0 |
| 131.211.0.71 | 2211643463 | 0 |
| 131.211.0.72 | 2211643464 | 0 |
| 131.211.0.73 | 2211643465 | 0 |
| 131.211.0.74 | 2211643466 | 0 |
| 131.211.0.75 | 2211643467 | 0 |
| 131.211.0.76 | 2211643468 | 0 |
| 131.211.0.77 | 2211643469 | 0 |
| 131.211.0.78 | 2211643470 | 0 |
| 131.211.0.79 | 2211643471 | 0 |
| 131.211.0.80 | 2211643472 | 0 |
| 131.211.0.81 | 2211643473 | 0 |
| 131.211.0.82 | 2211643474 | 0 |
| 131.211.0.83 | 2211643475 | 0 |
| 131.211.0.84 | 2211643476 | 0 |
| 131.211.0.85 | 2211643477 | 0 |