Les adresses IP débutant par 31.51.80 sont fournies par BTnet UK Regional network, elles appartiennent au CIDR (Classless Inter-Domain Routing) 31.48.0.0/13, le bloc IP comprant les adresses de 31.48.0.0 à 31.55.255.255). Le numéro de système autonome (ASN) est 2856.
| ASN | 2856 |
| IP commençant par | 31.48.0.0 |
| IP se terminant par | 31.55.255.255 |
| Nom ASN | BTnet UK Regional network |
| CDIR | 31.48.0.0/13 |
| IP numérique | |
| Registe | ripencc |
| Dernière mise à jour | 10/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | GB | Royaume-Uni | - | London | 51,5085 | -0,1257 | 2017-08-10 |
| MaxMind | GB | Royaume-Uni | - | Hampstead | 51,5407 | -0,1964 | 2017-08-10 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 31.51.80.0 | 523456512 | 0 |
| 31.51.80.1 | 523456513 | 0 |
| 31.51.80.2 | 523456514 | 0 |
| 31.51.80.3 | 523456515 | 0 |
| 31.51.80.4 | 523456516 | 0 |
| 31.51.80.5 | 523456517 | 0 |
| 31.51.80.6 | 523456518 | 0 |
| 31.51.80.7 | 523456519 | 0 |
| 31.51.80.8 | 523456520 | 0 |
| 31.51.80.9 | 523456521 | 0 |
| 31.51.80.10 | 523456522 | 0 |
| 31.51.80.11 | 523456523 | 0 |
| 31.51.80.12 | 523456524 | 0 |
| 31.51.80.13 | 523456525 | 0 |
| 31.51.80.14 | 523456526 | 0 |
| 31.51.80.15 | 523456527 | 0 |
| 31.51.80.16 | 523456528 | 0 |
| 31.51.80.17 | 523456529 | 0 |
| 31.51.80.18 | 523456530 | 0 |
| 31.51.80.19 | 523456531 | 0 |
| 31.51.80.20 | 523456532 | 0 |
| 31.51.80.21 | 523456533 | 0 |
| 31.51.80.22 | 523456534 | 0 |
| 31.51.80.23 | 523456535 | 0 |
| 31.51.80.24 | 523456536 | 0 |
| 31.51.80.25 | 523456537 | 0 |
| 31.51.80.26 | 523456538 | 0 |
| 31.51.80.27 | 523456539 | 0 |
| 31.51.80.28 | 523456540 | 0 |
| 31.51.80.29 | 523456541 | 0 |
| 31.51.80.30 | 523456542 | 0 |
| 31.51.80.31 | 523456543 | 0 |
| 31.51.80.32 | 523456544 | 0 |
| 31.51.80.33 | 523456545 | 0 |
| 31.51.80.34 | 523456546 | 0 |
| 31.51.80.35 | 523456547 | 0 |
| 31.51.80.36 | 523456548 | 0 |
| 31.51.80.37 | 523456549 | 0 |
| 31.51.80.38 | 523456550 | 0 |
| 31.51.80.39 | 523456551 | 0 |
| 31.51.80.40 | 523456552 | 0 |
| 31.51.80.41 | 523456553 | 0 |
| 31.51.80.42 | 523456554 | 0 |
| 31.51.80.43 | 523456555 | 0 |
| 31.51.80.44 | 523456556 | 0 |
| 31.51.80.45 | 523456557 | 0 |
| 31.51.80.46 | 523456558 | 0 |
| 31.51.80.47 | 523456559 | 0 |
| 31.51.80.48 | 523456560 | 0 |
| 31.51.80.49 | 523456561 | 0 |
| 31.51.80.50 | 523456562 | 0 |
| 31.51.80.51 | 523456563 | 0 |
| 31.51.80.52 | 523456564 | 0 |
| 31.51.80.53 | 523456565 | 0 |
| 31.51.80.54 | 523456566 | 0 |
| 31.51.80.55 | 523456567 | 0 |
| 31.51.80.56 | 523456568 | 0 |
| 31.51.80.57 | 523456569 | 0 |
| 31.51.80.58 | 523456570 | 0 |
| 31.51.80.59 | 523456571 | 0 |
| 31.51.80.60 | 523456572 | 0 |
| 31.51.80.61 | 523456573 | 0 |
| 31.51.80.62 | 523456574 | 0 |
| 31.51.80.63 | 523456575 | 0 |
| 31.51.80.64 | 523456576 | 0 |
| 31.51.80.65 | 523456577 | 0 |
| 31.51.80.66 | 523456578 | 0 |
| 31.51.80.67 | 523456579 | 0 |
| 31.51.80.68 | 523456580 | 0 |
| 31.51.80.69 | 523456581 | 0 |
| 31.51.80.70 | 523456582 | 0 |
| 31.51.80.71 | 523456583 | 0 |
| 31.51.80.72 | 523456584 | 0 |
| 31.51.80.73 | 523456585 | 0 |
| 31.51.80.74 | 523456586 | 0 |
| 31.51.80.75 | 523456587 | 0 |
| 31.51.80.76 | 523456588 | 0 |
| 31.51.80.77 | 523456589 | 0 |
| 31.51.80.78 | 523456590 | 0 |
| 31.51.80.79 | 523456591 | 0 |
| 31.51.80.80 | 523456592 | 0 |
| 31.51.80.81 | 523456593 | 0 |
| 31.51.80.82 | 523456594 | 0 |
| 31.51.80.83 | 523456595 | 0 |
| 31.51.80.84 | 523456596 | 0 |
| 31.51.80.85 | 523456597 | 0 |