The IP address 81.139.80 is provided by BTnet UK Regional network, it's belong to the CDIR (Classless Inter-Domain Routing) 81.128.0.0/11 (range 81.128.0.0 to 81.159.255.255). The autonomous system number (ASN) is 2856.
| ASN | 2856 |
| IP starting by | 81.128.0.0 |
| IP ending by | 81.159.255.255 |
| ASN Name | BTnet UK Regional network |
| CDIR | 81.128.0.0/11 |
| Numerical IP | |
| Registry | ripencc |
| Last update | 07/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | GB | United Kingdom | - | Radcliffe | 53.5618 | -2.3246 | 2017-07-07 |
| MaxMind | GB | United Kingdom | - | - | 51.4964 | -0.1224 | 2017-07-07 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 81.139.80.0 | 1368084480 | 0 |
| 81.139.80.1 | 1368084481 | 0 |
| 81.139.80.2 | 1368084482 | 0 |
| 81.139.80.3 | 1368084483 | 0 |
| 81.139.80.4 | 1368084484 | 0 |
| 81.139.80.5 | 1368084485 | 0 |
| 81.139.80.6 | 1368084486 | 0 |
| 81.139.80.7 | 1368084487 | 0 |
| 81.139.80.8 | 1368084488 | 0 |
| 81.139.80.9 | 1368084489 | 0 |
| 81.139.80.10 | 1368084490 | 0 |
| 81.139.80.11 | 1368084491 | 0 |
| 81.139.80.12 | 1368084492 | 0 |
| 81.139.80.13 | 1368084493 | 0 |
| 81.139.80.14 | 1368084494 | 0 |
| 81.139.80.15 | 1368084495 | 0 |
| 81.139.80.16 | 1368084496 | 0 |
| 81.139.80.17 | 1368084497 | 0 |
| 81.139.80.18 | 1368084498 | 0 |
| 81.139.80.19 | 1368084499 | 0 |
| 81.139.80.20 | 1368084500 | 0 |
| 81.139.80.21 | 1368084501 | 0 |
| 81.139.80.22 | 1368084502 | 0 |
| 81.139.80.23 | 1368084503 | 0 |
| 81.139.80.24 | 1368084504 | 0 |
| 81.139.80.25 | 1368084505 | 0 |
| 81.139.80.26 | 1368084506 | 0 |
| 81.139.80.27 | 1368084507 | 0 |
| 81.139.80.28 | 1368084508 | 0 |
| 81.139.80.29 | 1368084509 | 0 |
| 81.139.80.30 | 1368084510 | 0 |
| 81.139.80.31 | 1368084511 | 0 |
| 81.139.80.32 | 1368084512 | 0 |
| 81.139.80.33 | 1368084513 | 0 |
| 81.139.80.34 | 1368084514 | 0 |
| 81.139.80.35 | 1368084515 | 0 |
| 81.139.80.36 | 1368084516 | 0 |
| 81.139.80.37 | 1368084517 | 0 |
| 81.139.80.38 | 1368084518 | 0 |
| 81.139.80.39 | 1368084519 | 0 |
| 81.139.80.40 | 1368084520 | 0 |
| 81.139.80.41 | 1368084521 | 0 |
| 81.139.80.42 | 1368084522 | 0 |
| 81.139.80.43 | 1368084523 | 0 |
| 81.139.80.44 | 1368084524 | 0 |
| 81.139.80.45 | 1368084525 | 0 |
| 81.139.80.46 | 1368084526 | 0 |
| 81.139.80.47 | 1368084527 | 0 |
| 81.139.80.48 | 1368084528 | 0 |
| 81.139.80.49 | 1368084529 | 0 |
| 81.139.80.50 | 1368084530 | 0 |
| 81.139.80.51 | 1368084531 | 0 |
| 81.139.80.52 | 1368084532 | 0 |
| 81.139.80.53 | 1368084533 | 0 |
| 81.139.80.54 | 1368084534 | 0 |
| 81.139.80.55 | 1368084535 | 0 |
| 81.139.80.56 | 1368084536 | 0 |
| 81.139.80.57 | 1368084537 | 0 |
| 81.139.80.58 | 1368084538 | 0 |
| 81.139.80.59 | 1368084539 | 0 |
| 81.139.80.60 | 1368084540 | 0 |
| 81.139.80.61 | 1368084541 | 0 |
| 81.139.80.62 | 1368084542 | 0 |
| 81.139.80.63 | 1368084543 | 0 |
| 81.139.80.64 | 1368084544 | 0 |
| 81.139.80.65 | 1368084545 | 0 |
| 81.139.80.66 | 1368084546 | 0 |
| 81.139.80.67 | 1368084547 | 0 |
| 81.139.80.68 | 1368084548 | 0 |
| 81.139.80.69 | 1368084549 | 0 |
| 81.139.80.70 | 1368084550 | 0 |
| 81.139.80.71 | 1368084551 | 0 |
| 81.139.80.72 | 1368084552 | 0 |
| 81.139.80.73 | 1368084553 | 0 |
| 81.139.80.74 | 1368084554 | 0 |
| 81.139.80.75 | 1368084555 | 0 |
| 81.139.80.76 | 1368084556 | 0 |
| 81.139.80.77 | 1368084557 | 0 |
| 81.139.80.78 | 1368084558 | 0 |
| 81.139.80.79 | 1368084559 | 0 |
| 81.139.80.80 | 1368084560 | 0 |
| 81.139.80.81 | 1368084561 | 0 |
| 81.139.80.82 | 1368084562 | 0 |
| 81.139.80.83 | 1368084563 | 0 |
| 81.139.80.84 | 1368084564 | 0 |
| 81.139.80.85 | 1368084565 | 0 |