L'indirizzo IP 204.99.99 è fornito da AT&T Data Communications Services, che è di proprietà del CIDR (Classless Inter-Domain Routing) 204.99.0.0/17, IP tra 204.99.0.0 a 204.99.127.255 ). Il numero di sistema autonomo (ASN) è 2386.
| ASN | 2386 |
| IP inizia con | 204.99.0.0 |
| IP finale con | 204.99.127.255 |
| ASN Nome | AT&T Data Communications Services |
| CDIR | 204.99.0.0/17 |
| IP numerico | |
| Registe | arin |
| Ultimo aggiornamento | 23/08/2018 |

| Codice paese | Paese | Regione | Città | Latitude | Longitude | Ultimo aggiornamento | |
| IP2Location | US | United States | - | Nashville | 36,1659 | -86,7844 | 2018-08-23 |
| MaxMind | US | United States | - | Scottsdale | 33,6119 | -111,8906 | 2018-08-23 |
| Whois | US | - | - | - | -96 | 37 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 204.99.99.0 | 3429065472 | 0 |
| 204.99.99.1 | 3429065473 | 0 |
| 204.99.99.2 | 3429065474 | 0 |
| 204.99.99.3 | 3429065475 | 0 |
| 204.99.99.4 | 3429065476 | 0 |
| 204.99.99.5 | 3429065477 | 0 |
| 204.99.99.6 | 3429065478 | 0 |
| 204.99.99.7 | 3429065479 | 0 |
| 204.99.99.8 | 3429065480 | 0 |
| 204.99.99.9 | 3429065481 | 0 |
| 204.99.99.10 | 3429065482 | 0 |
| 204.99.99.11 | 3429065483 | 0 |
| 204.99.99.12 | 3429065484 | 0 |
| 204.99.99.13 | 3429065485 | 0 |
| 204.99.99.14 | 3429065486 | 0 |
| 204.99.99.15 | 3429065487 | 0 |
| 204.99.99.16 | 3429065488 | 0 |
| 204.99.99.17 | 3429065489 | 0 |
| 204.99.99.18 | 3429065490 | 0 |
| 204.99.99.19 | 3429065491 | 0 |
| 204.99.99.20 | 3429065492 | 0 |
| 204.99.99.21 | 3429065493 | 0 |
| 204.99.99.22 | 3429065494 | 0 |
| 204.99.99.23 | 3429065495 | 0 |
| 204.99.99.24 | 3429065496 | 0 |
| 204.99.99.25 | 3429065497 | 0 |
| 204.99.99.26 | 3429065498 | 0 |
| 204.99.99.27 | 3429065499 | 0 |
| 204.99.99.28 | 3429065500 | 0 |
| 204.99.99.29 | 3429065501 | 0 |
| 204.99.99.30 | 3429065502 | 0 |
| 204.99.99.31 | 3429065503 | 0 |
| 204.99.99.32 | 3429065504 | 0 |
| 204.99.99.33 | 3429065505 | 0 |
| 204.99.99.34 | 3429065506 | 0 |
| 204.99.99.35 | 3429065507 | 0 |
| 204.99.99.36 | 3429065508 | 0 |
| 204.99.99.37 | 3429065509 | 0 |
| 204.99.99.38 | 3429065510 | 0 |
| 204.99.99.39 | 3429065511 | 0 |
| 204.99.99.40 | 3429065512 | 0 |
| 204.99.99.41 | 3429065513 | 0 |
| 204.99.99.42 | 3429065514 | 0 |
| 204.99.99.43 | 3429065515 | 0 |
| 204.99.99.44 | 3429065516 | 0 |
| 204.99.99.45 | 3429065517 | 0 |
| 204.99.99.46 | 3429065518 | 0 |
| 204.99.99.47 | 3429065519 | 0 |
| 204.99.99.48 | 3429065520 | 0 |
| 204.99.99.49 | 3429065521 | 0 |
| 204.99.99.50 | 3429065522 | 0 |
| 204.99.99.51 | 3429065523 | 0 |
| 204.99.99.52 | 3429065524 | 0 |
| 204.99.99.53 | 3429065525 | 0 |
| 204.99.99.54 | 3429065526 | 0 |
| 204.99.99.55 | 3429065527 | 0 |
| 204.99.99.56 | 3429065528 | 0 |
| 204.99.99.57 | 3429065529 | 0 |
| 204.99.99.58 | 3429065530 | 0 |
| 204.99.99.59 | 3429065531 | 0 |
| 204.99.99.60 | 3429065532 | 0 |
| 204.99.99.61 | 3429065533 | 0 |
| 204.99.99.62 | 3429065534 | 0 |
| 204.99.99.63 | 3429065535 | 0 |
| 204.99.99.64 | 3429065536 | 0 |
| 204.99.99.65 | 3429065537 | 0 |
| 204.99.99.66 | 3429065538 | 0 |
| 204.99.99.67 | 3429065539 | 0 |
| 204.99.99.68 | 3429065540 | 0 |
| 204.99.99.69 | 3429065541 | 0 |
| 204.99.99.70 | 3429065542 | 0 |
| 204.99.99.71 | 3429065543 | 0 |
| 204.99.99.72 | 3429065544 | 0 |
| 204.99.99.73 | 3429065545 | 0 |
| 204.99.99.74 | 3429065546 | 0 |
| 204.99.99.75 | 3429065547 | 0 |
| 204.99.99.76 | 3429065548 | 0 |
| 204.99.99.77 | 3429065549 | 0 |
| 204.99.99.78 | 3429065550 | 0 |
| 204.99.99.79 | 3429065551 | 0 |
| 204.99.99.80 | 3429065552 | 0 |
| 204.99.99.81 | 3429065553 | 0 |
| 204.99.99.82 | 3429065554 | 0 |
| 204.99.99.83 | 3429065555 | 0 |
| 204.99.99.84 | 3429065556 | 0 |
| 204.99.99.85 | 3429065557 | 0 |