These entries are queried from radb.net using whois, you can try my project getting these.
:AS55853 route: 49.50.192.0/19 descr: Proxy Reg for Megatel origin: AS55853 mnt-by: MAINT-AS4648 changed: AS4648 [at] netgate.net.nz 20110411 #03:36:07Z source: RADB last-modified: 2023-11-13T15:41:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.192.0/19 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:27Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.192.0/20 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:27Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.192.0/21 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:28Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.192.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:28Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.196.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:29Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.200.0/21 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:29Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.200.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:30Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.204.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:30Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.208.0/20 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:31Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.208.0/21 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:31Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.208.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.212.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:32Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.216.0/21 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:33Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.216.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:33Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.220.0/22 descr: Megatel origin: AS55853 mnt-by: MAINT-MEGATEL-NZ last-modified: 2020-06-28T21:11:34Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 49.50.224.0/21 origin: AS55853 descr: Megatel 104B Roasedale Road mnt-by: MAINT-MEGATEL-NZ last-modified: 2019-08-12T20:26:03Z source: APNIC rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.241.36.0/24 origin: AS55853 descr: Proxy entry added on behalf of ASN 55853 by ASN 135069 mnt-by: MAINT-AS135069 changed: jin [at] feenix.co.nz 20211115 #21:19:04Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.241.37.0/24 origin: AS55853 descr: Proxy entry added on behalf of ASN 55853 by ASN 135069 mnt-by: MAINT-AS135069 changed: jin [at] feenix.co.nz 20211115 #21:19:34Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 103.241.38.0/24 origin: AS55853 descr: Proxy entry added on behalf of ASN 55853 by ASN 135069 mnt-by: MAINT-AS135069 changed: jin [at] feenix.co.nz 20211115 #21:20:08Z source: RADB last-modified: 2023-11-13T16:08:40Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2405:2200::/32 descr: Proxy Reg for Megatel by Telecom NZ origin: AS55853 mnt-by: MAINT-AS4648 changed: AS4648 [at] netgate.net.nz 20110602 #00:23:51Z source: RADB last-modified: 2023-11-13T15:41:18Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source