L'indirizzo IP 137.56.31 è fornito da SURFnet, che è di proprietà del CIDR (Classless Inter-Domain Routing) 137.56.0.0/16, IP tra 137.56.0.0 a 137.56.255.255 ). Il numero di sistema autonomo (ASN) è 1103.
| ASN | 1103 |
| IP inizia con | 137.56.0.0 |
| IP finale con | 137.56.255.255 |
| ASN Nome | SURFnet |
| CDIR | 137.56.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 31/03/2020 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | NL | Netherlands | - | Tilburg | 51,5555 | 5,0913 | 2020-03-31 |
| MaxMind | US | United States | - | San Jose | 37,425 | -121,946 | 2020-03-31 |
| Whois | NL | - | - | - | 5 | 52 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 137.56.31.0 | 2302156544 | 0 |
| 137.56.31.1 | 2302156545 | 0 |
| 137.56.31.2 | 2302156546 | 0 |
| 137.56.31.3 | 2302156547 | 0 |
| 137.56.31.4 | 2302156548 | 0 |
| 137.56.31.5 | 2302156549 | 0 |
| 137.56.31.6 | 2302156550 | 0 |
| 137.56.31.7 | 2302156551 | 0 |
| 137.56.31.8 | 2302156552 | 0 |
| 137.56.31.9 | 2302156553 | 0 |
| 137.56.31.10 | 2302156554 | 0 |
| 137.56.31.11 | 2302156555 | 0 |
| 137.56.31.12 | 2302156556 | 0 |
| 137.56.31.13 | 2302156557 | 0 |
| 137.56.31.14 | 2302156558 | 0 |
| 137.56.31.15 | 2302156559 | 0 |
| 137.56.31.16 | 2302156560 | 0 |
| 137.56.31.17 | 2302156561 | 0 |
| 137.56.31.18 | 2302156562 | 0 |
| 137.56.31.19 | 2302156563 | 0 |
| 137.56.31.20 | 2302156564 | 0 |
| 137.56.31.21 | 2302156565 | 0 |
| 137.56.31.22 | 2302156566 | 0 |
| 137.56.31.23 | 2302156567 | 0 |
| 137.56.31.24 | 2302156568 | 0 |
| 137.56.31.25 | 2302156569 | 0 |
| 137.56.31.26 | 2302156570 | 0 |
| 137.56.31.27 | 2302156571 | 0 |
| 137.56.31.28 | 2302156572 | 0 |
| 137.56.31.29 | 2302156573 | 0 |
| 137.56.31.30 | 2302156574 | 0 |
| 137.56.31.31 | 2302156575 | 0 |
| 137.56.31.32 | 2302156576 | 0 |
| 137.56.31.33 | 2302156577 | 0 |
| 137.56.31.34 | 2302156578 | 0 |
| 137.56.31.35 | 2302156579 | 0 |
| 137.56.31.36 | 2302156580 | 0 |
| 137.56.31.37 | 2302156581 | 0 |
| 137.56.31.38 | 2302156582 | 0 |
| 137.56.31.39 | 2302156583 | 0 |
| 137.56.31.40 | 2302156584 | 0 |
| 137.56.31.41 | 2302156585 | 0 |
| 137.56.31.42 | 2302156586 | 0 |
| 137.56.31.43 | 2302156587 | 0 |
| 137.56.31.44 | 2302156588 | 0 |
| 137.56.31.45 | 2302156589 | 0 |
| 137.56.31.46 | 2302156590 | 0 |
| 137.56.31.47 | 2302156591 | 0 |
| 137.56.31.48 | 2302156592 | 0 |
| 137.56.31.49 | 2302156593 | 0 |
| 137.56.31.50 | 2302156594 | 0 |
| 137.56.31.51 | 2302156595 | 0 |
| 137.56.31.52 | 2302156596 | 0 |
| 137.56.31.53 | 2302156597 | 0 |
| 137.56.31.54 | 2302156598 | 0 |
| 137.56.31.55 | 2302156599 | 0 |
| 137.56.31.56 | 2302156600 | 0 |
| 137.56.31.57 | 2302156601 | 0 |
| 137.56.31.58 | 2302156602 | 0 |
| 137.56.31.59 | 2302156603 | 0 |
| 137.56.31.60 | 2302156604 | 0 |
| 137.56.31.61 | 2302156605 | 0 |
| 137.56.31.62 | 2302156606 | 0 |
| 137.56.31.63 | 2302156607 | 0 |
| 137.56.31.64 | 2302156608 | 0 |
| 137.56.31.65 | 2302156609 | 0 |
| 137.56.31.66 | 2302156610 | 0 |
| 137.56.31.67 | 2302156611 | 0 |
| 137.56.31.68 | 2302156612 | 0 |
| 137.56.31.69 | 2302156613 | 0 |
| 137.56.31.70 | 2302156614 | 0 |
| 137.56.31.71 | 2302156615 | 0 |
| 137.56.31.72 | 2302156616 | 0 |
| 137.56.31.73 | 2302156617 | 0 |
| 137.56.31.74 | 2302156618 | 0 |
| 137.56.31.75 | 2302156619 | 0 |
| 137.56.31.76 | 2302156620 | 0 |
| 137.56.31.77 | 2302156621 | 0 |
| 137.56.31.78 | 2302156622 | 0 |
| 137.56.31.79 | 2302156623 | 0 |
| 137.56.31.80 | 2302156624 | 0 |
| 137.56.31.81 | 2302156625 | 0 |
| 137.56.31.82 | 2302156626 | 0 |
| 137.56.31.83 | 2302156627 | 0 |
| 137.56.31.84 | 2302156628 | 0 |
| 137.56.31.85 | 2302156629 | 0 |