These entries are queried from radb.net using whois, you can try my project getting these.
:AS55901 route: 61.120.153.128/25 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.213.147.0/25 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.213.152.128/26 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.213.157.128/25 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 61.213.175.192/27 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.123.136.0/22 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:22Z source: APNIC rpki-ov-state: valid route: 103.123.136.0/23 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:23Z source: APNIC rpki-ov-state: valid route: 103.123.136.0/24 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:24Z source: APNIC rpki-ov-state: valid route: 103.123.137.0/24 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:25Z source: APNIC rpki-ov-state: valid route: 103.123.138.0/23 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:26Z source: APNIC rpki-ov-state: valid route: 103.123.139.0/24 origin: AS55901 descr: Sony Interactive Entertainment LLC 2207 Bridgepointe Parkway mnt-by: MAINT-SIEL-AP last-modified: 2018-11-13T05:52:28Z source: APNIC rpki-ov-state: valid route: 117.104.134.0/24 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 117.104.144.0/24 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 153.254.174.0/24 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: yukinobu.sugawara [at] ntt.com 20170815 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:df0:266::/48 descr: Sony Computer Entertainment Inc. origin: AS55901 notify: spj-se [at] ntt.com mnt-by: MAINT-JP-SCEI-NET changed: spj-se [at] ntt.com 20120201 source: NTTCOM rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source