La dirección IP 157.81.40 es proporcionada por The University of Tokyo, que es propiedad de la CIDR (Classless Inter-Domain Routing) 157.82.0.0/16, IP entre 157.82.0.0 a 157.82.255.255 ). El número de sistema autónomo (ASN) es 2501.
| ASN | 2501 |
| IP que comienzan con | 157.82.0.0 |
| IP que termina con | 157.82.255.255 |
| ASN Nombre | The University of Tokyo |
| CDIR | 157.82.0.0/16 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 11/06/2020 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | JP | Japón | - | Higashimurayama | 35,75 | 139,467 | 2020-06-10 |
| MaxMind | JP | Japón | - | Tokyo | 35,6427 | 139,7677 | 2020-06-10 |
| Whois | JP | - | - | - | 138 | 36 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 157.81.40.0 | 2639341568 | 0 |
| 157.81.40.1 | 2639341569 | 0 |
| 157.81.40.2 | 2639341570 | 0 |
| 157.81.40.3 | 2639341571 | 0 |
| 157.81.40.4 | 2639341572 | 0 |
| 157.81.40.5 | 2639341573 | 0 |
| 157.81.40.6 | 2639341574 | 0 |
| 157.81.40.7 | 2639341575 | 0 |
| 157.81.40.8 | 2639341576 | 0 |
| 157.81.40.9 | 2639341577 | 0 |
| 157.81.40.10 | 2639341578 | 0 |
| 157.81.40.11 | 2639341579 | 0 |
| 157.81.40.12 | 2639341580 | 0 |
| 157.81.40.13 | 2639341581 | 0 |
| 157.81.40.14 | 2639341582 | 0 |
| 157.81.40.15 | 2639341583 | 0 |
| 157.81.40.16 | 2639341584 | 0 |
| 157.81.40.17 | 2639341585 | 0 |
| 157.81.40.18 | 2639341586 | 0 |
| 157.81.40.19 | 2639341587 | 0 |
| 157.81.40.20 | 2639341588 | 0 |
| 157.81.40.21 | 2639341589 | 0 |
| 157.81.40.22 | 2639341590 | 0 |
| 157.81.40.23 | 2639341591 | 0 |
| 157.81.40.24 | 2639341592 | 0 |
| 157.81.40.25 | 2639341593 | 0 |
| 157.81.40.26 | 2639341594 | 0 |
| 157.81.40.27 | 2639341595 | 0 |
| 157.81.40.28 | 2639341596 | 0 |
| 157.81.40.29 | 2639341597 | 0 |
| 157.81.40.30 | 2639341598 | 0 |
| 157.81.40.31 | 2639341599 | 0 |
| 157.81.40.32 | 2639341600 | 0 |
| 157.81.40.33 | 2639341601 | 0 |
| 157.81.40.34 | 2639341602 | 0 |
| 157.81.40.35 | 2639341603 | 0 |
| 157.81.40.36 | 2639341604 | 0 |
| 157.81.40.37 | 2639341605 | 0 |
| 157.81.40.38 | 2639341606 | 0 |
| 157.81.40.39 | 2639341607 | 0 |
| 157.81.40.40 | 2639341608 | 0 |
| 157.81.40.41 | 2639341609 | 0 |
| 157.81.40.42 | 2639341610 | 0 |
| 157.81.40.43 | 2639341611 | 0 |
| 157.81.40.44 | 2639341612 | 0 |
| 157.81.40.45 | 2639341613 | 0 |
| 157.81.40.46 | 2639341614 | 0 |
| 157.81.40.47 | 2639341615 | 0 |
| 157.81.40.48 | 2639341616 | 0 |
| 157.81.40.49 | 2639341617 | 0 |
| 157.81.40.50 | 2639341618 | 0 |
| 157.81.40.51 | 2639341619 | 0 |
| 157.81.40.52 | 2639341620 | 0 |
| 157.81.40.53 | 2639341621 | 0 |
| 157.81.40.54 | 2639341622 | 0 |
| 157.81.40.55 | 2639341623 | 0 |
| 157.81.40.56 | 2639341624 | 0 |
| 157.81.40.57 | 2639341625 | 0 |
| 157.81.40.58 | 2639341626 | 0 |
| 157.81.40.59 | 2639341627 | 0 |
| 157.81.40.60 | 2639341628 | 0 |
| 157.81.40.61 | 2639341629 | 0 |
| 157.81.40.62 | 2639341630 | 0 |
| 157.81.40.63 | 2639341631 | 0 |
| 157.81.40.64 | 2639341632 | 0 |
| 157.81.40.65 | 2639341633 | 0 |
| 157.81.40.66 | 2639341634 | 0 |
| 157.81.40.67 | 2639341635 | 0 |
| 157.81.40.68 | 2639341636 | 0 |
| 157.81.40.69 | 2639341637 | 0 |
| 157.81.40.70 | 2639341638 | 0 |
| 157.81.40.71 | 2639341639 | 0 |
| 157.81.40.72 | 2639341640 | 0 |
| 157.81.40.73 | 2639341641 | 0 |
| 157.81.40.74 | 2639341642 | 0 |
| 157.81.40.75 | 2639341643 | 0 |
| 157.81.40.76 | 2639341644 | 0 |
| 157.81.40.77 | 2639341645 | 0 |
| 157.81.40.78 | 2639341646 | 0 |
| 157.81.40.79 | 2639341647 | 0 |
| 157.81.40.80 | 2639341648 | 0 |
| 157.81.40.81 | 2639341649 | 0 |
| 157.81.40.82 | 2639341650 | 0 |
| 157.81.40.83 | 2639341651 | 0 |
| 157.81.40.84 | 2639341652 | 0 |
| 157.81.40.85 | 2639341653 | 0 |