| 203.0.0.0/8 | WHOIS (APNIC) | Asia Pacific Network Information Center, Pty. Ltd. | AU |
| 203.209.0.0/17 | WHOIS (APNIC) | KSC Commercial Internet Co.Ltd. | TH |
| 203.209.0.0/18 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.0.0/18 | APNIC assigned | — | TH |
| 203.209.64.0/18 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.64.0/18 | APNIC assigned | — | TH |
| 203.209.0.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.16.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.32.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.48.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.64.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.80.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.96.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.112.0/20 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.48.0/21 | BGP route | AS55760 KSC Commercial Internet Co.Ltd. | — |
| 203.209.112.0/21 | WHOIS (APNIC) | Customer in Krabi | TH |
| 203.209.120.0/21 | WHOIS (APNIC) | Customer in Phuket | TH |
| 203.209.48.0/22 | BGP route | AS55760 KSC Commercial Internet Co.Ltd. | — |
| 203.209.52.0/22 | BGP route | AS55760 KSC Commercial Internet Co.Ltd. | — |
| 203.209.88.0/22 | WHOIS (APNIC) | Customer in Chumporn | TH |
| 203.209.63.0/24 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.75.0/24 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.82.0/24 | BGP route | AS45800 KSC Commercial Internet Co.Ltd. | — |
| 203.209.84.0/24 | BGP route | AS149796 KSC Commercial Internet Co.Ltd. | — |
| 203.209.91.0/24 | BGP route | AS138003 Office of Info.Tech. Admin. for Educational Development | — |
| 203.209.93.0/24 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.122.0/24 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.123.0/24 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.124.0/24 | BGP route | AS55325 Phuket Marriott Resort & Spa, Merlin Beach | — |
| 203.209.125.0/24 | BGP route | AS7693 KSC Commercial Internet Co.Ltd. | — |
| 203.209.57.128/25 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.59.0/25 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.59.128/25 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.58.0/26 | WHOIS (APNIC) | GRANDHY-TH | TH |
| 203.209.58.96/27 | WHOIS (APNIC) | INTERT-TH | TH |
| 203.209.58.128/27 | WHOIS (APNIC) | INTERT-TH | TH |
| 203.209.60.192/27 | WHOIS (APNIC) | SOFITEL-TH | TH |
| 203.209.57.144/28 | WHOIS (APNIC) | STARBUCKKRABI-TH | TH |
| 203.209.57.160/28 | WHOIS (APNIC) | STARBUCKKORAT-TH | TH |
| 203.209.57.176/28 | WHOIS (APNIC) | STARBUCKCRYSTAL-TH | TH |
| 203.209.57.192/28 | WHOIS (APNIC) | STARBUCKLAEMTHONG-TH | TH |
| 203.209.57.208/28 | WHOIS (APNIC) | STARBUCKITAL-TH | TH |
| 203.209.58.64/28 | WHOIS (APNIC) | INTERT-TH | TH |
| 203.209.67.176/28 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.68.0/28 | WHOIS (APNIC) | Install Leased Starbucks Lang suan | TH |
| 203.209.71.0/28 | WHOIS (APNIC) | Install Leased Line at Starbucks Hua Hin | TH |
| 203.209.74.16/28 | WHOIS (APNIC) | Install Leased Line at Starbucks Belle Park Condo | TH |
| 203.209.74.32/28 | WHOIS (APNIC) | Install Leased Line at Starbucks Tuk Com Pattaya (TCM) Chonburi | TH |
| 203.209.74.48/28 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.74.64/28 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.74.80/28 | WHOIS (APNIC) | Install Leased Line at starbucks Playground | TH |
| 203.209.74.96/28 | WHOIS (APNIC) | Install Leased Line at starbucks Nana Square | TH |
| 203.209.74.112/28 | WHOIS (APNIC) | Install Leased LIne at Starbucks Jungceylon | TH |
| 203.209.74.144/28 | WHOIS (APNIC) | STARFUTURE-TH | TH |
| 203.209.74.160/28 | WHOIS (APNIC) | STAR49T-th | TH |
| 203.209.74.176/28 | WHOIS (APNIC) | STARSS-TH | TH |
| 203.209.74.192/28 | WHOIS (APNIC) | STARRGP-TH | TH |
| 203.209.74.208/28 | WHOIS (APNIC) | PLOENC-TH | TH |
| 203.209.74.224/28 | WHOIS (APNIC) | FASHION-TH | TH |
| 203.209.74.240/28 | WHOIS (APNIC) | STARRCK-TH | TH |
| 203.209.75.0/28 | WHOIS (APNIC) | CENTRALW-TH | TH |
| 203.209.75.16/28 | WHOIS (APNIC) | CHALLEN-TH | TH |
| 203.209.75.32/28 | WHOIS (APNIC) | TOPSUPER-TH | TH |
| 203.209.71.72/29 | WHOIS (APNIC) | STARBUCK-TH | TH |
| 203.209.71.144/29 | WHOIS (APNIC) | COFFEEWORLD-TH | TH |
| 203.209.71.152/29 | WHOIS (APNIC) | COFFEEWORLD-TH | TH |
| 203.209.71.160/29 | WHOIS (APNIC) | COFFEEWORLD-TH | TH |
| 203.209.71.168/29 | WHOIS (APNIC) | Install Leased Line at Nammeebooks | TH |
| 203.209.71.176/29 | WHOIS (APNIC) | Install Leased Line at samitivej Srinakarin | TH |
| 203.209.71.184/29 | WHOIS (APNIC) | Install Leased Line at SM Tower | TH |
| 203.209.71.192/29 | WHOIS (APNIC) | DELSOFT-TH | TH |