The IP address 163.21.77 is provided by Taiwan Academic Network (TANet) Information Center, it's belong to the CDIR (Classless Inter-Domain Routing) 163.16.0.0/13 (range 163.16.0.0 to 163.23.255.255). The autonomous system number (ASN) is 1659.
| ASN | 1659 |
| IP starting by | 163.16.0.0 |
| IP ending by | 163.23.255.255 |
| ASN Name | Taiwan Academic Network (TANet) Information Center |
| CDIR | 163.16.0.0/13 |
| Numerical IP | |
| Registry | apnic |
| Last update | 01/07/2018 |

| Country Code | Country | Region | City | Latitude | Longitude | Last update | |
| IP2Location | TW | Taiwan | - | Nangan | 26.1504 | 119.9328 | 2018-07-01 |
| MaxMind | TW | Taiwan | - | Taipei | 25.0418 | 121.4966 | 2018-07-01 |
| Whois | TW | - | - | - | 121 | 24 | |
| W3C | - | - | - | - | - | - | - |
| IP | Numerical IP | DNS |
| 163.21.77.0 | 2736082176 | 0 |
| 163.21.77.1 | 2736082177 | 0 |
| 163.21.77.2 | 2736082178 | 0 |
| 163.21.77.3 | 2736082179 | 0 |
| 163.21.77.4 | 2736082180 | 0 |
| 163.21.77.5 | 2736082181 | 0 |
| 163.21.77.6 | 2736082182 | 0 |
| 163.21.77.7 | 2736082183 | 0 |
| 163.21.77.8 | 2736082184 | 0 |
| 163.21.77.9 | 2736082185 | 0 |
| 163.21.77.10 | 2736082186 | 0 |
| 163.21.77.11 | 2736082187 | 0 |
| 163.21.77.12 | 2736082188 | 0 |
| 163.21.77.13 | 2736082189 | 0 |
| 163.21.77.14 | 2736082190 | 0 |
| 163.21.77.15 | 2736082191 | 0 |
| 163.21.77.16 | 2736082192 | 0 |
| 163.21.77.17 | 2736082193 | 0 |
| 163.21.77.18 | 2736082194 | 0 |
| 163.21.77.19 | 2736082195 | 0 |
| 163.21.77.20 | 2736082196 | 0 |
| 163.21.77.21 | 2736082197 | 0 |
| 163.21.77.22 | 2736082198 | 0 |
| 163.21.77.23 | 2736082199 | 0 |
| 163.21.77.24 | 2736082200 | 0 |
| 163.21.77.25 | 2736082201 | 0 |
| 163.21.77.26 | 2736082202 | 0 |
| 163.21.77.27 | 2736082203 | 0 |
| 163.21.77.28 | 2736082204 | 0 |
| 163.21.77.29 | 2736082205 | 0 |
| 163.21.77.30 | 2736082206 | 0 |
| 163.21.77.31 | 2736082207 | 0 |
| 163.21.77.32 | 2736082208 | 0 |
| 163.21.77.33 | 2736082209 | 0 |
| 163.21.77.34 | 2736082210 | 0 |
| 163.21.77.35 | 2736082211 | 0 |
| 163.21.77.36 | 2736082212 | 0 |
| 163.21.77.37 | 2736082213 | 0 |
| 163.21.77.38 | 2736082214 | 0 |
| 163.21.77.39 | 2736082215 | 0 |
| 163.21.77.40 | 2736082216 | 0 |
| 163.21.77.41 | 2736082217 | 0 |
| 163.21.77.42 | 2736082218 | 0 |
| 163.21.77.43 | 2736082219 | 0 |
| 163.21.77.44 | 2736082220 | 0 |
| 163.21.77.45 | 2736082221 | 0 |
| 163.21.77.46 | 2736082222 | 0 |
| 163.21.77.47 | 2736082223 | 0 |
| 163.21.77.48 | 2736082224 | 0 |
| 163.21.77.49 | 2736082225 | 0 |
| 163.21.77.50 | 2736082226 | 0 |
| 163.21.77.51 | 2736082227 | 0 |
| 163.21.77.52 | 2736082228 | 0 |
| 163.21.77.53 | 2736082229 | 0 |
| 163.21.77.54 | 2736082230 | 0 |
| 163.21.77.55 | 2736082231 | 0 |
| 163.21.77.56 | 2736082232 | 0 |
| 163.21.77.57 | 2736082233 | 0 |
| 163.21.77.58 | 2736082234 | 0 |
| 163.21.77.59 | 2736082235 | 0 |
| 163.21.77.60 | 2736082236 | 0 |
| 163.21.77.61 | 2736082237 | 0 |
| 163.21.77.62 | 2736082238 | 0 |
| 163.21.77.63 | 2736082239 | 0 |
| 163.21.77.64 | 2736082240 | 0 |
| 163.21.77.65 | 2736082241 | 0 |
| 163.21.77.66 | 2736082242 | 0 |
| 163.21.77.67 | 2736082243 | 0 |
| 163.21.77.68 | 2736082244 | 0 |
| 163.21.77.69 | 2736082245 | 0 |
| 163.21.77.70 | 2736082246 | 0 |
| 163.21.77.71 | 2736082247 | 0 |
| 163.21.77.72 | 2736082248 | 0 |
| 163.21.77.73 | 2736082249 | 0 |
| 163.21.77.74 | 2736082250 | 0 |
| 163.21.77.75 | 2736082251 | 0 |
| 163.21.77.76 | 2736082252 | 0 |
| 163.21.77.77 | 2736082253 | 0 |
| 163.21.77.78 | 2736082254 | 0 |
| 163.21.77.79 | 2736082255 | 0 |
| 163.21.77.80 | 2736082256 | 0 |
| 163.21.77.81 | 2736082257 | 0 |
| 163.21.77.82 | 2736082258 | 0 |
| 163.21.77.83 | 2736082259 | 0 |
| 163.21.77.84 | 2736082260 | 0 |
| 163.21.77.85 | 2736082261 | 0 |