The IP address 55.21.29 is provided by DoD Network Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 55.0.0.0/8 (range 55.0.0.0 to 55.255.255.255). The autonomous system number (ASN) is 721.
| ASN | 721 |
| IP starting by | 55.0.0.0 |
| IP ending by | 55.255.255.255 |
| ASN Name | DoD Network Information Center |
| CDIR | 55.0.0.0/8 |
| Numerical IP | |
| Registry | arin |
| Last update | 21/07/2017 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Fort Huachuca | 31.5565 | -110.3506 | 2017-07-20 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2017-07-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.21.29.0 | 924130560 | 0 |
| 55.21.29.1 | 924130561 | 0 |
| 55.21.29.2 | 924130562 | 0 |
| 55.21.29.3 | 924130563 | 0 |
| 55.21.29.4 | 924130564 | 0 |
| 55.21.29.5 | 924130565 | 0 |
| 55.21.29.6 | 924130566 | 0 |
| 55.21.29.7 | 924130567 | 0 |
| 55.21.29.8 | 924130568 | 0 |
| 55.21.29.9 | 924130569 | 0 |
| 55.21.29.10 | 924130570 | 0 |
| 55.21.29.11 | 924130571 | 0 |
| 55.21.29.12 | 924130572 | 0 |
| 55.21.29.13 | 924130573 | 0 |
| 55.21.29.14 | 924130574 | 0 |
| 55.21.29.15 | 924130575 | 0 |
| 55.21.29.16 | 924130576 | 0 |
| 55.21.29.17 | 924130577 | 0 |
| 55.21.29.18 | 924130578 | 0 |
| 55.21.29.19 | 924130579 | 0 |
| 55.21.29.20 | 924130580 | 0 |
| 55.21.29.21 | 924130581 | 0 |
| 55.21.29.22 | 924130582 | 0 |
| 55.21.29.23 | 924130583 | 0 |
| 55.21.29.24 | 924130584 | 0 |
| 55.21.29.25 | 924130585 | 0 |
| 55.21.29.26 | 924130586 | 0 |
| 55.21.29.27 | 924130587 | 0 |
| 55.21.29.28 | 924130588 | 0 |
| 55.21.29.29 | 924130589 | 0 |
| 55.21.29.30 | 924130590 | 0 |
| 55.21.29.31 | 924130591 | 0 |
| 55.21.29.32 | 924130592 | 0 |
| 55.21.29.33 | 924130593 | 0 |
| 55.21.29.34 | 924130594 | 0 |
| 55.21.29.35 | 924130595 | 0 |
| 55.21.29.36 | 924130596 | 0 |
| 55.21.29.37 | 924130597 | 0 |
| 55.21.29.38 | 924130598 | 0 |
| 55.21.29.39 | 924130599 | 0 |
| 55.21.29.40 | 924130600 | 0 |
| 55.21.29.41 | 924130601 | 0 |
| 55.21.29.42 | 924130602 | 0 |
| 55.21.29.43 | 924130603 | 0 |
| 55.21.29.44 | 924130604 | 0 |
| 55.21.29.45 | 924130605 | 0 |
| 55.21.29.46 | 924130606 | 0 |
| 55.21.29.47 | 924130607 | 0 |
| 55.21.29.48 | 924130608 | 0 |
| 55.21.29.49 | 924130609 | 0 |
| 55.21.29.50 | 924130610 | 0 |
| 55.21.29.51 | 924130611 | 0 |
| 55.21.29.52 | 924130612 | 0 |
| 55.21.29.53 | 924130613 | 0 |
| 55.21.29.54 | 924130614 | 0 |
| 55.21.29.55 | 924130615 | 0 |
| 55.21.29.56 | 924130616 | 0 |
| 55.21.29.57 | 924130617 | 0 |
| 55.21.29.58 | 924130618 | 0 |
| 55.21.29.59 | 924130619 | 0 |
| 55.21.29.60 | 924130620 | 0 |
| 55.21.29.61 | 924130621 | 0 |
| 55.21.29.62 | 924130622 | 0 |
| 55.21.29.63 | 924130623 | 0 |
| 55.21.29.64 | 924130624 | 0 |
| 55.21.29.65 | 924130625 | 0 |
| 55.21.29.66 | 924130626 | 0 |
| 55.21.29.67 | 924130627 | 0 |
| 55.21.29.68 | 924130628 | 0 |
| 55.21.29.69 | 924130629 | 0 |
| 55.21.29.70 | 924130630 | 0 |
| 55.21.29.71 | 924130631 | 0 |
| 55.21.29.72 | 924130632 | 0 |
| 55.21.29.73 | 924130633 | 0 |
| 55.21.29.74 | 924130634 | 0 |
| 55.21.29.75 | 924130635 | 0 |
| 55.21.29.76 | 924130636 | 0 |
| 55.21.29.77 | 924130637 | 0 |
| 55.21.29.78 | 924130638 | 0 |
| 55.21.29.79 | 924130639 | 0 |
| 55.21.29.80 | 924130640 | 0 |
| 55.21.29.81 | 924130641 | 0 |
| 55.21.29.82 | 924130642 | 0 |
| 55.21.29.83 | 924130643 | 0 |
| 55.21.29.84 | 924130644 | 0 |
| 55.21.29.85 | 924130645 | 0 |