Les adresses IP débutant par 121.7.158 sont fournies par Singtel Fibre Broadband, elles appartiennent au CIDR (Classless Inter-Domain Routing) 121.7.128.0/17, le bloc IP comprant les adresses de 121.7.128.0 à 121.7.255.255). Le numéro de système autonome (ASN) est 9506.
| ASN | 9506 |
| IP commençant par | 121.7.128.0 |
| IP se terminant par | 121.7.255.255 |
| Nom ASN | Singtel Fibre Broadband |
| CDIR | 121.7.128.0/17 |
| IP numérique | |
| Registe | apnic |
| Dernière mise à jour | 08/08/2017 |

| Code pays | Pays | Région | Ville | Latitude | Longitude | Dernière mise à jour | |
| IP2Location | SG | Singapour | - | Singapore | 1,2897 | 103,8501 | 2017-08-08 |
| MaxMind | SG | Singapour | - | Singapore | 1,2855 | 103,8565 | 2017-08-08 |
| Whois | SG | - | - | - | 104 | 1 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 121.7.158.0 | 2030542336 | 0 |
| 121.7.158.1 | 2030542337 | 0 |
| 121.7.158.2 | 2030542338 | 0 |
| 121.7.158.3 | 2030542339 | 0 |
| 121.7.158.4 | 2030542340 | 0 |
| 121.7.158.5 | 2030542341 | 0 |
| 121.7.158.6 | 2030542342 | 0 |
| 121.7.158.7 | 2030542343 | 0 |
| 121.7.158.8 | 2030542344 | 0 |
| 121.7.158.9 | 2030542345 | 0 |
| 121.7.158.10 | 2030542346 | 0 |
| 121.7.158.11 | 2030542347 | 0 |
| 121.7.158.12 | 2030542348 | 0 |
| 121.7.158.13 | 2030542349 | 0 |
| 121.7.158.14 | 2030542350 | 0 |
| 121.7.158.15 | 2030542351 | 0 |
| 121.7.158.16 | 2030542352 | 0 |
| 121.7.158.17 | 2030542353 | 0 |
| 121.7.158.18 | 2030542354 | 0 |
| 121.7.158.19 | 2030542355 | 0 |
| 121.7.158.20 | 2030542356 | 0 |
| 121.7.158.21 | 2030542357 | 0 |
| 121.7.158.22 | 2030542358 | 0 |
| 121.7.158.23 | 2030542359 | 0 |
| 121.7.158.24 | 2030542360 | 0 |
| 121.7.158.25 | 2030542361 | 0 |
| 121.7.158.26 | 2030542362 | 0 |
| 121.7.158.27 | 2030542363 | 0 |
| 121.7.158.28 | 2030542364 | 0 |
| 121.7.158.29 | 2030542365 | 0 |
| 121.7.158.30 | 2030542366 | 0 |
| 121.7.158.31 | 2030542367 | 0 |
| 121.7.158.32 | 2030542368 | 0 |
| 121.7.158.33 | 2030542369 | 0 |
| 121.7.158.34 | 2030542370 | 0 |
| 121.7.158.35 | 2030542371 | 0 |
| 121.7.158.36 | 2030542372 | 0 |
| 121.7.158.37 | 2030542373 | 0 |
| 121.7.158.38 | 2030542374 | 0 |
| 121.7.158.39 | 2030542375 | 0 |
| 121.7.158.40 | 2030542376 | 0 |
| 121.7.158.41 | 2030542377 | 0 |
| 121.7.158.42 | 2030542378 | 0 |
| 121.7.158.43 | 2030542379 | 0 |
| 121.7.158.44 | 2030542380 | 0 |
| 121.7.158.45 | 2030542381 | 0 |
| 121.7.158.46 | 2030542382 | 0 |
| 121.7.158.47 | 2030542383 | 0 |
| 121.7.158.48 | 2030542384 | 0 |
| 121.7.158.49 | 2030542385 | 0 |
| 121.7.158.50 | 2030542386 | 0 |
| 121.7.158.51 | 2030542387 | 0 |
| 121.7.158.52 | 2030542388 | 0 |
| 121.7.158.53 | 2030542389 | 0 |
| 121.7.158.54 | 2030542390 | 0 |
| 121.7.158.55 | 2030542391 | 0 |
| 121.7.158.56 | 2030542392 | 0 |
| 121.7.158.57 | 2030542393 | 0 |
| 121.7.158.58 | 2030542394 | 0 |
| 121.7.158.59 | 2030542395 | 0 |
| 121.7.158.60 | 2030542396 | 0 |
| 121.7.158.61 | 2030542397 | 0 |
| 121.7.158.62 | 2030542398 | 0 |
| 121.7.158.63 | 2030542399 | 0 |
| 121.7.158.64 | 2030542400 | 0 |
| 121.7.158.65 | 2030542401 | 0 |
| 121.7.158.66 | 2030542402 | 0 |
| 121.7.158.67 | 2030542403 | 0 |
| 121.7.158.68 | 2030542404 | 0 |
| 121.7.158.69 | 2030542405 | 0 |
| 121.7.158.70 | 2030542406 | 0 |
| 121.7.158.71 | 2030542407 | 0 |
| 121.7.158.72 | 2030542408 | 0 |
| 121.7.158.73 | 2030542409 | 0 |
| 121.7.158.74 | 2030542410 | 0 |
| 121.7.158.75 | 2030542411 | 0 |
| 121.7.158.76 | 2030542412 | 0 |
| 121.7.158.77 | 2030542413 | 0 |
| 121.7.158.78 | 2030542414 | 0 |
| 121.7.158.79 | 2030542415 | 0 |
| 121.7.158.80 | 2030542416 | 0 |
| 121.7.158.81 | 2030542417 | 0 |
| 121.7.158.82 | 2030542418 | 0 |
| 121.7.158.83 | 2030542419 | 0 |
| 121.7.158.84 | 2030542420 | 0 |
| 121.7.158.85 | 2030542421 | 0 |