These entries are queried from radb.net using whois, you can try my project getting these.
:AS62571 route: 45.223.42.0/24 descr: Imperva origin: AS62571 mnt-by: MNT-INCAP-5 changed: netops [at] incapsula.com 20210517 source: ARIN rpki-ov-state: valid route: 185.64.8.0/22 descr: Comcast Cable Communications, Inc. 1800 Bishops Gate Blvd Mt Laurel, NJ 08054 origin: AS62571 remarks: Proxy add for customer Imperva mnt-by: MAINT-AS7922 changed: chris_johnson8 [at] cable.comcast.com 20161230 source: RADB last-modified: 2023-11-13T15:54:23Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.64.8.0/22 descr: Imperva origin: AS62571 mnt-by: Adirm-MNT created: 2014-09-15T06:18:55Z last-modified: 2014-09-15T06:18:55Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 185.64.8.0/24 descr: Imperva TLV-Israrel origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20161220 #08:01:30Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 185.64.8.0/24 origin: AS62571 mnt-by: Adirm-MNT created: 2016-08-07T05:57:10Z last-modified: 2016-08-07T05:57:10Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.64.9.0/24 descr: Imperva Incapsula, Rehovot, Israel origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20161220 #08:02:27Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 185.64.9.0/24 origin: AS62571 mnt-by: Adirm-MNT created: 2016-08-07T05:56:42Z last-modified: 2016-08-07T05:56:42Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.64.10.0/24 descr: Imperva Redwood-City California, USA origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20161220 #08:03:19Z source: RADB last-modified: 2023-11-13T15:50:11Z rpki-ov-state: valid route: 185.64.10.0/24 origin: AS62571 mnt-by: Adirm-MNT created: 2016-08-07T05:52:23Z last-modified: 2016-08-07T05:52:23Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: valid route: 185.64.11.0/24 origin: AS62571 mnt-by: Adirm-MNT created: 2017-06-19T06:51:24Z last-modified: 2017-06-19T06:51:24Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 192.230.75.0/24 descr: We moved this range from Med1 DC to Rehovot office origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20180305 #22:44:27Z source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 192.230.76.0/24 descr: We moved the range from Med1 DC to Rehovot office origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20180305 #22:45:19Z source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route: 198.51.94.0/24 descr: imperva inc origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20140211 #23:03:26Z source: RADB last-modified: 2023-11-13T15:46:11Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 198.143.36.0/24 descr: We moved the range from Med1 DC to Rehovot on Feb 2018 origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20180305 #21:43:38Z source: RADB last-modified: 2023-11-13T15:53:21Z rpki-ov-state: valid route6: 2a03:10e0::/120 origin: AS62571 mnt-by: Adirm-MNT created: 2016-05-25T16:05:29Z last-modified: 2016-05-25T16:05:29Z source: RIPE remarks: **************************** remarks: * THIS OBJECT IS MODIFIED remarks: * Please note that all data that is generally regarded as personal remarks: * data has been removed from this object. remarks: * To view the original object, please query the RIPE Database at: remarks: * http://www.ripe.net/whois remarks: **************************** rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a03:10e0::/48 descr: Imperva-Incapsula IPv6 pool, Rehovot Israel origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20170202 #09:59:36Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a03:10e0:1::/48 descr: Imperva IPv6 pool, Tel-Aviv Israel origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20170202 #10:01:04Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2a03:10e0:2::/48 descr: Imperva.INC IPv6 pool, Redwood Shores CA, USA origin: AS62571 mnt-by: MAINT-AS62571 changed: amira [at] imperva.com 20170202 #10:02:03Z source: RADB last-modified: 2023-11-13T15:50:36Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source