La dirección IP 121.6.4 es proporcionada por Singtel Fibre Broadband, que es propiedad de la CIDR (Classless Inter-Domain Routing) 121.6.0.0/17, IP entre 121.6.0.0 a 121.6.127.255 ). El número de sistema autónomo (ASN) es 9506.
| ASN | 9506 |
| IP que comienzan con | 121.6.0.0 |
| IP que termina con | 121.6.127.255 |
| ASN Nombre | Singtel Fibre Broadband |
| CDIR | 121.6.0.0/17 |
| IP numérica | |
| Registe | apnic |
| Última actualización | 07/07/2017 |

| Código País | País | Región | Ciudad | Latitud | Longitud | Última actualización | |
| IP2Location | SG | Singapur | - | Singapore | 1,2897 | 103,8501 | 2017-08-16 |
| MaxMind | SG | Singapur | - | Singapore | 1,2855 | 103,8565 | 2017-08-16 |
| Whois | SG | - | - | - | 104 | 1 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.6.4.0 | 2030437376 | 0 |
| 121.6.4.1 | 2030437377 | 0 |
| 121.6.4.2 | 2030437378 | 0 |
| 121.6.4.3 | 2030437379 | 0 |
| 121.6.4.4 | 2030437380 | 0 |
| 121.6.4.5 | 2030437381 | 0 |
| 121.6.4.6 | 2030437382 | 0 |
| 121.6.4.7 | 2030437383 | 0 |
| 121.6.4.8 | 2030437384 | 0 |
| 121.6.4.9 | 2030437385 | 0 |
| 121.6.4.10 | 2030437386 | 0 |
| 121.6.4.11 | 2030437387 | 0 |
| 121.6.4.12 | 2030437388 | 0 |
| 121.6.4.13 | 2030437389 | 0 |
| 121.6.4.14 | 2030437390 | 0 |
| 121.6.4.15 | 2030437391 | 0 |
| 121.6.4.16 | 2030437392 | 0 |
| 121.6.4.17 | 2030437393 | 0 |
| 121.6.4.18 | 2030437394 | 0 |
| 121.6.4.19 | 2030437395 | 0 |
| 121.6.4.20 | 2030437396 | 0 |
| 121.6.4.21 | 2030437397 | 0 |
| 121.6.4.22 | 2030437398 | 0 |
| 121.6.4.23 | 2030437399 | 0 |
| 121.6.4.24 | 2030437400 | 0 |
| 121.6.4.25 | 2030437401 | 0 |
| 121.6.4.26 | 2030437402 | 0 |
| 121.6.4.27 | 2030437403 | 0 |
| 121.6.4.28 | 2030437404 | 0 |
| 121.6.4.29 | 2030437405 | 0 |
| 121.6.4.30 | 2030437406 | 0 |
| 121.6.4.31 | 2030437407 | 0 |
| 121.6.4.32 | 2030437408 | 0 |
| 121.6.4.33 | 2030437409 | 0 |
| 121.6.4.34 | 2030437410 | 0 |
| 121.6.4.35 | 2030437411 | 0 |
| 121.6.4.36 | 2030437412 | 0 |
| 121.6.4.37 | 2030437413 | 0 |
| 121.6.4.38 | 2030437414 | 0 |
| 121.6.4.39 | 2030437415 | 0 |
| 121.6.4.40 | 2030437416 | 0 |
| 121.6.4.41 | 2030437417 | 0 |
| 121.6.4.42 | 2030437418 | 0 |
| 121.6.4.43 | 2030437419 | 0 |
| 121.6.4.44 | 2030437420 | 0 |
| 121.6.4.45 | 2030437421 | 0 |
| 121.6.4.46 | 2030437422 | 0 |
| 121.6.4.47 | 2030437423 | 0 |
| 121.6.4.48 | 2030437424 | 0 |
| 121.6.4.49 | 2030437425 | 0 |
| 121.6.4.50 | 2030437426 | 0 |
| 121.6.4.51 | 2030437427 | 0 |
| 121.6.4.52 | 2030437428 | 0 |
| 121.6.4.53 | 2030437429 | 0 |
| 121.6.4.54 | 2030437430 | 0 |
| 121.6.4.55 | 2030437431 | 0 |
| 121.6.4.56 | 2030437432 | 0 |
| 121.6.4.57 | 2030437433 | 0 |
| 121.6.4.58 | 2030437434 | 0 |
| 121.6.4.59 | 2030437435 | 0 |
| 121.6.4.60 | 2030437436 | 0 |
| 121.6.4.61 | 2030437437 | 0 |
| 121.6.4.62 | 2030437438 | 0 |
| 121.6.4.63 | 2030437439 | 0 |
| 121.6.4.64 | 2030437440 | 0 |
| 121.6.4.65 | 2030437441 | 0 |
| 121.6.4.66 | 2030437442 | 0 |
| 121.6.4.67 | 2030437443 | 0 |
| 121.6.4.68 | 2030437444 | 0 |
| 121.6.4.69 | 2030437445 | 0 |
| 121.6.4.70 | 2030437446 | 0 |
| 121.6.4.71 | 2030437447 | 0 |
| 121.6.4.72 | 2030437448 | 0 |
| 121.6.4.73 | 2030437449 | 0 |
| 121.6.4.74 | 2030437450 | 0 |
| 121.6.4.75 | 2030437451 | 0 |
| 121.6.4.76 | 2030437452 | 0 |
| 121.6.4.77 | 2030437453 | 0 |
| 121.6.4.78 | 2030437454 | 0 |
| 121.6.4.79 | 2030437455 | 0 |
| 121.6.4.80 | 2030437456 | 0 |
| 121.6.4.81 | 2030437457 | 0 |
| 121.6.4.82 | 2030437458 | 0 |
| 121.6.4.83 | 2030437459 | 0 |
| 121.6.4.84 | 2030437460 | 0 |
| 121.6.4.85 | 2030437461 | 0 |
| IP | Numerical IP | DNS |
| 121.6.4.86 | 2030437462 | 0 |
| 121.6.4.87 | 2030437463 | 0 |
| 121.6.4.88 | 2030437464 | 0 |
| 121.6.4.89 | 2030437465 | 0 |
| 121.6.4.90 | 2030437466 | 0 |
| 121.6.4.91 | 2030437467 | 0 |
| 121.6.4.92 | 2030437468 | 0 |
| 121.6.4.93 | 2030437469 | 0 |
| 121.6.4.94 | 2030437470 | 0 |
| 121.6.4.95 | 2030437471 | 0 |
| 121.6.4.96 | 2030437472 | 0 |
| 121.6.4.97 | 2030437473 | 0 |
| 121.6.4.98 | 2030437474 | 0 |
| 121.6.4.99 | 2030437475 | 0 |
| 121.6.4.100 | 2030437476 | 0 |
| 121.6.4.101 | 2030437477 | 0 |
| 121.6.4.102 | 2030437478 | 0 |
| 121.6.4.103 | 2030437479 | 0 |
| 121.6.4.104 | 2030437480 | 0 |
| 121.6.4.105 | 2030437481 | 0 |
| 121.6.4.106 | 2030437482 | 0 |
| 121.6.4.107 | 2030437483 | 0 |
| 121.6.4.108 | 2030437484 | 0 |
| 121.6.4.109 | 2030437485 | 0 |
| 121.6.4.110 | 2030437486 | 0 |
| 121.6.4.111 | 2030437487 | 0 |
| 121.6.4.112 | 2030437488 | 0 |
| 121.6.4.113 | 2030437489 | 0 |
| 121.6.4.114 | 2030437490 | 0 |
| 121.6.4.115 | 2030437491 | 0 |
| 121.6.4.116 | 2030437492 | 0 |
| 121.6.4.117 | 2030437493 | 0 |
| 121.6.4.118 | 2030437494 | 0 |
| 121.6.4.119 | 2030437495 | 0 |
| 121.6.4.120 | 2030437496 | 0 |
| 121.6.4.121 | 2030437497 | 0 |
| 121.6.4.122 | 2030437498 | 0 |
| 121.6.4.123 | 2030437499 | 0 |
| 121.6.4.124 | 2030437500 | 0 |
| 121.6.4.125 | 2030437501 | 0 |
| 121.6.4.126 | 2030437502 | 0 |
| 121.6.4.127 | 2030437503 | 0 |
| 121.6.4.128 | 2030437504 | 0 |
| 121.6.4.129 | 2030437505 | 0 |
| 121.6.4.130 | 2030437506 | 0 |
| 121.6.4.131 | 2030437507 | 0 |
| 121.6.4.132 | 2030437508 | 0 |
| 121.6.4.133 | 2030437509 | 0 |
| 121.6.4.134 | 2030437510 | 0 |
| 121.6.4.135 | 2030437511 | 0 |
| 121.6.4.136 | 2030437512 | 0 |
| 121.6.4.137 | 2030437513 | 0 |
| 121.6.4.138 | 2030437514 | 0 |
| 121.6.4.139 | 2030437515 | 0 |
| 121.6.4.140 | 2030437516 | 0 |
| 121.6.4.141 | 2030437517 | 0 |
| 121.6.4.142 | 2030437518 | 0 |
| 121.6.4.143 | 2030437519 | 0 |
| 121.6.4.144 | 2030437520 | 0 |
| 121.6.4.145 | 2030437521 | 0 |
| 121.6.4.146 | 2030437522 | 0 |
| 121.6.4.147 | 2030437523 | 0 |
| 121.6.4.148 | 2030437524 | 0 |
| 121.6.4.149 | 2030437525 | 0 |
| 121.6.4.150 | 2030437526 | 0 |
| 121.6.4.151 | 2030437527 | 0 |
| 121.6.4.152 | 2030437528 | 0 |
| 121.6.4.153 | 2030437529 | 0 |
| 121.6.4.154 | 2030437530 | 0 |
| 121.6.4.155 | 2030437531 | 0 |
| 121.6.4.156 | 2030437532 | 0 |
| 121.6.4.157 | 2030437533 | 0 |
| 121.6.4.158 | 2030437534 | 0 |
| 121.6.4.159 | 2030437535 | 0 |
| 121.6.4.160 | 2030437536 | 0 |
| 121.6.4.161 | 2030437537 | 0 |
| 121.6.4.162 | 2030437538 | 0 |
| 121.6.4.163 | 2030437539 | 0 |
| 121.6.4.164 | 2030437540 | 0 |
| 121.6.4.165 | 2030437541 | 0 |
| 121.6.4.166 | 2030437542 | 0 |
| 121.6.4.167 | 2030437543 | 0 |
| 121.6.4.168 | 2030437544 | 0 |
| 121.6.4.169 | 2030437545 | 0 |
| 121.6.4.170 | 2030437546 | 0 |
| 121.6.4.171 | 2030437547 | 0 |
| IP | Numerical IP | DNS |
| 121.6.4.172 | 2030437548 | 0 |
| 121.6.4.173 | 2030437549 | 0 |
| 121.6.4.174 | 2030437550 | 0 |
| 121.6.4.175 | 2030437551 | 0 |
| 121.6.4.176 | 2030437552 | 0 |
| 121.6.4.177 | 2030437553 | 0 |
| 121.6.4.178 | 2030437554 | 0 |
| 121.6.4.179 | 2030437555 | 0 |
| 121.6.4.180 | 2030437556 | 0 |
| 121.6.4.181 | 2030437557 | 0 |
| 121.6.4.182 | 2030437558 | 0 |
| 121.6.4.183 | 2030437559 | 0 |
| 121.6.4.184 | 2030437560 | 0 |
| 121.6.4.185 | 2030437561 | 0 |
| 121.6.4.186 | 2030437562 | 0 |
| 121.6.4.187 | 2030437563 | 0 |
| 121.6.4.188 | 2030437564 | 0 |
| 121.6.4.189 | 2030437565 | 0 |
| 121.6.4.190 | 2030437566 | 0 |
| 121.6.4.191 | 2030437567 | 0 |
| 121.6.4.192 | 2030437568 | 0 |
| 121.6.4.193 | 2030437569 | 0 |
| 121.6.4.194 | 2030437570 | 0 |
| 121.6.4.195 | 2030437571 | 0 |
| 121.6.4.196 | 2030437572 | 0 |
| 121.6.4.197 | 2030437573 | 0 |
| 121.6.4.198 | 2030437574 | 0 |
| 121.6.4.199 | 2030437575 | 0 |
| 121.6.4.200 | 2030437576 | 0 |
| 121.6.4.201 | 2030437577 | 0 |
| 121.6.4.202 | 2030437578 | 0 |
| 121.6.4.203 | 2030437579 | 0 |
| 121.6.4.204 | 2030437580 | 0 |
| 121.6.4.205 | 2030437581 | 0 |
| 121.6.4.206 | 2030437582 | 0 |
| 121.6.4.207 | 2030437583 | 0 |
| 121.6.4.208 | 2030437584 | 0 |
| 121.6.4.209 | 2030437585 | 0 |
| 121.6.4.210 | 2030437586 | 0 |
| 121.6.4.211 | 2030437587 | 0 |
| 121.6.4.212 | 2030437588 | 0 |
| 121.6.4.213 | 2030437589 | 0 |
| 121.6.4.214 | 2030437590 | 0 |
| 121.6.4.215 | 2030437591 | 0 |
| 121.6.4.216 | 2030437592 | 0 |
| 121.6.4.217 | 2030437593 | 0 |
| 121.6.4.218 | 2030437594 | 0 |
| 121.6.4.219 | 2030437595 | 0 |
| 121.6.4.220 | 2030437596 | 0 |
| 121.6.4.221 | 2030437597 | 0 |
| 121.6.4.222 | 2030437598 | 0 |
| 121.6.4.223 | 2030437599 | 0 |
| 121.6.4.224 | 2030437600 | 0 |
| 121.6.4.225 | 2030437601 | 0 |
| 121.6.4.226 | 2030437602 | 0 |
| 121.6.4.227 | 2030437603 | 0 |
| 121.6.4.228 | 2030437604 | 0 |
| 121.6.4.229 | 2030437605 | 0 |
| 121.6.4.230 | 2030437606 | 0 |
| 121.6.4.231 | 2030437607 | 0 |
| 121.6.4.232 | 2030437608 | 0 |
| 121.6.4.233 | 2030437609 | 0 |
| 121.6.4.234 | 2030437610 | 0 |
| 121.6.4.235 | 2030437611 | 0 |
| 121.6.4.236 | 2030437612 | 0 |
| 121.6.4.237 | 2030437613 | 0 |
| 121.6.4.238 | 2030437614 | 0 |
| 121.6.4.239 | 2030437615 | 0 |
| 121.6.4.240 | 2030437616 | 0 |
| 121.6.4.241 | 2030437617 | 0 |
| 121.6.4.242 | 2030437618 | 0 |
| 121.6.4.243 | 2030437619 | 0 |
| 121.6.4.244 | 2030437620 | 0 |
| 121.6.4.245 | 2030437621 | 0 |
| 121.6.4.246 | 2030437622 | 0 |
| 121.6.4.247 | 2030437623 | 0 |
| 121.6.4.248 | 2030437624 | 0 |
| 121.6.4.249 | 2030437625 | 0 |
| 121.6.4.250 | 2030437626 | 0 |
| 121.6.4.251 | 2030437627 | 0 |
| 121.6.4.252 | 2030437628 | 0 |
| 121.6.4.253 | 2030437629 | 0 |
| 121.6.4.254 | 2030437630 | 0 |
| 121.6.4.255 | 2030437631 | 0 |