L'indirizzo IP 138.40.21 è fornito da JISC Services Limited, che è di proprietà del CIDR (Classless Inter-Domain Routing) 138.40.0.0/16, IP tra 138.40.0.0 a 138.40.255.255 ). Il numero di sistema autonomo (ASN) è 786.
| ASN | 786 |
| IP inizia con | 138.40.0.0 |
| IP finale con | 138.40.255.255 |
| ASN Nome | JISC Services Limited |
| CDIR | 138.40.0.0/16 |
| IP numerico | |
| Registe | ripencc |
| Ultimo aggiornamento | 26/01/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | GB | United Kingdom | - | London | 51,5085 | -0,1257 | 2018-01-26 |
| MaxMind | GB | United Kingdom | - | London | 51,5092 | -0,0955 | 2018-01-26 |
| Whois | GB | - | - | - | -3 | 55 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 138.40.21.0 | 2317882624 | 0 |
| 138.40.21.1 | 2317882625 | 0 |
| 138.40.21.2 | 2317882626 | 0 |
| 138.40.21.3 | 2317882627 | 0 |
| 138.40.21.4 | 2317882628 | 0 |
| 138.40.21.5 | 2317882629 | 0 |
| 138.40.21.6 | 2317882630 | 0 |
| 138.40.21.7 | 2317882631 | 0 |
| 138.40.21.8 | 2317882632 | 0 |
| 138.40.21.9 | 2317882633 | 0 |
| 138.40.21.10 | 2317882634 | 0 |
| 138.40.21.11 | 2317882635 | 0 |
| 138.40.21.12 | 2317882636 | 0 |
| 138.40.21.13 | 2317882637 | 0 |
| 138.40.21.14 | 2317882638 | 0 |
| 138.40.21.15 | 2317882639 | 0 |
| 138.40.21.16 | 2317882640 | 0 |
| 138.40.21.17 | 2317882641 | 0 |
| 138.40.21.18 | 2317882642 | 0 |
| 138.40.21.19 | 2317882643 | 0 |
| 138.40.21.20 | 2317882644 | 0 |
| 138.40.21.21 | 2317882645 | 0 |
| 138.40.21.22 | 2317882646 | 0 |
| 138.40.21.23 | 2317882647 | 0 |
| 138.40.21.24 | 2317882648 | 0 |
| 138.40.21.25 | 2317882649 | 0 |
| 138.40.21.26 | 2317882650 | 0 |
| 138.40.21.27 | 2317882651 | 0 |
| 138.40.21.28 | 2317882652 | 0 |
| 138.40.21.29 | 2317882653 | 0 |
| 138.40.21.30 | 2317882654 | 0 |
| 138.40.21.31 | 2317882655 | 0 |
| 138.40.21.32 | 2317882656 | 0 |
| 138.40.21.33 | 2317882657 | 0 |
| 138.40.21.34 | 2317882658 | 0 |
| 138.40.21.35 | 2317882659 | 0 |
| 138.40.21.36 | 2317882660 | 0 |
| 138.40.21.37 | 2317882661 | 0 |
| 138.40.21.38 | 2317882662 | 0 |
| 138.40.21.39 | 2317882663 | 0 |
| 138.40.21.40 | 2317882664 | 0 |
| 138.40.21.41 | 2317882665 | 0 |
| 138.40.21.42 | 2317882666 | 0 |
| 138.40.21.43 | 2317882667 | 0 |
| 138.40.21.44 | 2317882668 | 0 |
| 138.40.21.45 | 2317882669 | 0 |
| 138.40.21.46 | 2317882670 | 0 |
| 138.40.21.47 | 2317882671 | 0 |
| 138.40.21.48 | 2317882672 | 0 |
| 138.40.21.49 | 2317882673 | 0 |
| 138.40.21.50 | 2317882674 | 0 |
| 138.40.21.51 | 2317882675 | 0 |
| 138.40.21.52 | 2317882676 | 0 |
| 138.40.21.53 | 2317882677 | 0 |
| 138.40.21.54 | 2317882678 | 0 |
| 138.40.21.55 | 2317882679 | 0 |
| 138.40.21.56 | 2317882680 | 0 |
| 138.40.21.57 | 2317882681 | 0 |
| 138.40.21.58 | 2317882682 | 0 |
| 138.40.21.59 | 2317882683 | 0 |
| 138.40.21.60 | 2317882684 | 0 |
| 138.40.21.61 | 2317882685 | 0 |
| 138.40.21.62 | 2317882686 | 0 |
| 138.40.21.63 | 2317882687 | 0 |
| 138.40.21.64 | 2317882688 | 0 |
| 138.40.21.65 | 2317882689 | 0 |
| 138.40.21.66 | 2317882690 | 0 |
| 138.40.21.67 | 2317882691 | 0 |
| 138.40.21.68 | 2317882692 | 0 |
| 138.40.21.69 | 2317882693 | 0 |
| 138.40.21.70 | 2317882694 | 0 |
| 138.40.21.71 | 2317882695 | 0 |
| 138.40.21.72 | 2317882696 | 0 |
| 138.40.21.73 | 2317882697 | 0 |
| 138.40.21.74 | 2317882698 | 0 |
| 138.40.21.75 | 2317882699 | 0 |
| 138.40.21.76 | 2317882700 | 0 |
| 138.40.21.77 | 2317882701 | 0 |
| 138.40.21.78 | 2317882702 | 0 |
| 138.40.21.79 | 2317882703 | 0 |
| 138.40.21.80 | 2317882704 | 0 |
| 138.40.21.81 | 2317882705 | 0 |
| 138.40.21.82 | 2317882706 | 0 |
| 138.40.21.83 | 2317882707 | 0 |
| 138.40.21.84 | 2317882708 | 0 |
| 138.40.21.85 | 2317882709 | 0 |