The IP address 55.77.21 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 | 21/07/2020 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | US | United States | - | Raleigh | 35.8428 | -78.6337 | 2020-07-20 |
| MaxMind | US | United States | - | Fort Huachuca | 31.5273 | -110.3607 | 2020-07-20 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 55.77.21.0 | 927798528 | 0 |
| 55.77.21.1 | 927798529 | 0 |
| 55.77.21.2 | 927798530 | 0 |
| 55.77.21.3 | 927798531 | 0 |
| 55.77.21.4 | 927798532 | 0 |
| 55.77.21.5 | 927798533 | 0 |
| 55.77.21.6 | 927798534 | 0 |
| 55.77.21.7 | 927798535 | 0 |
| 55.77.21.8 | 927798536 | 0 |
| 55.77.21.9 | 927798537 | 0 |
| 55.77.21.10 | 927798538 | 0 |
| 55.77.21.11 | 927798539 | 0 |
| 55.77.21.12 | 927798540 | 0 |
| 55.77.21.13 | 927798541 | 0 |
| 55.77.21.14 | 927798542 | 0 |
| 55.77.21.15 | 927798543 | 0 |
| 55.77.21.16 | 927798544 | 0 |
| 55.77.21.17 | 927798545 | 0 |
| 55.77.21.18 | 927798546 | 0 |
| 55.77.21.19 | 927798547 | 0 |
| 55.77.21.20 | 927798548 | 0 |
| 55.77.21.21 | 927798549 | 0 |
| 55.77.21.22 | 927798550 | 0 |
| 55.77.21.23 | 927798551 | 0 |
| 55.77.21.24 | 927798552 | 0 |
| 55.77.21.25 | 927798553 | 0 |
| 55.77.21.26 | 927798554 | 0 |
| 55.77.21.27 | 927798555 | 0 |
| 55.77.21.28 | 927798556 | 0 |
| 55.77.21.29 | 927798557 | 0 |
| 55.77.21.30 | 927798558 | 0 |
| 55.77.21.31 | 927798559 | 0 |
| 55.77.21.32 | 927798560 | 0 |
| 55.77.21.33 | 927798561 | 0 |
| 55.77.21.34 | 927798562 | 0 |
| 55.77.21.35 | 927798563 | 0 |
| 55.77.21.36 | 927798564 | 0 |
| 55.77.21.37 | 927798565 | 0 |
| 55.77.21.38 | 927798566 | 0 |
| 55.77.21.39 | 927798567 | 0 |
| 55.77.21.40 | 927798568 | 0 |
| 55.77.21.41 | 927798569 | 0 |
| 55.77.21.42 | 927798570 | 0 |
| 55.77.21.43 | 927798571 | 0 |
| 55.77.21.44 | 927798572 | 0 |
| 55.77.21.45 | 927798573 | 0 |
| 55.77.21.46 | 927798574 | 0 |
| 55.77.21.47 | 927798575 | 0 |
| 55.77.21.48 | 927798576 | 0 |
| 55.77.21.49 | 927798577 | 0 |
| 55.77.21.50 | 927798578 | 0 |
| 55.77.21.51 | 927798579 | 0 |
| 55.77.21.52 | 927798580 | 0 |
| 55.77.21.53 | 927798581 | 0 |
| 55.77.21.54 | 927798582 | 0 |
| 55.77.21.55 | 927798583 | 0 |
| 55.77.21.56 | 927798584 | 0 |
| 55.77.21.57 | 927798585 | 0 |
| 55.77.21.58 | 927798586 | 0 |
| 55.77.21.59 | 927798587 | 0 |
| 55.77.21.60 | 927798588 | 0 |
| 55.77.21.61 | 927798589 | 0 |
| 55.77.21.62 | 927798590 | 0 |
| 55.77.21.63 | 927798591 | 0 |
| 55.77.21.64 | 927798592 | 0 |
| 55.77.21.65 | 927798593 | 0 |
| 55.77.21.66 | 927798594 | 0 |
| 55.77.21.67 | 927798595 | 0 |
| 55.77.21.68 | 927798596 | 0 |
| 55.77.21.69 | 927798597 | 0 |
| 55.77.21.70 | 927798598 | 0 |
| 55.77.21.71 | 927798599 | 0 |
| 55.77.21.72 | 927798600 | 0 |
| 55.77.21.73 | 927798601 | 0 |
| 55.77.21.74 | 927798602 | 0 |
| 55.77.21.75 | 927798603 | 0 |
| 55.77.21.76 | 927798604 | 0 |
| 55.77.21.77 | 927798605 | 0 |
| 55.77.21.78 | 927798606 | 0 |
| 55.77.21.79 | 927798607 | 0 |
| 55.77.21.80 | 927798608 | 0 |
| 55.77.21.81 | 927798609 | 0 |
| 55.77.21.82 | 927798610 | 0 |
| 55.77.21.83 | 927798611 | 0 |
| 55.77.21.84 | 927798612 | 0 |
| 55.77.21.85 | 927798613 | 0 |