These entries are queried from radb.net using whois, you can try my project getting these.
:AS29796 route: 63.251.58.0/23 descr: PNAP-SFO Market Tools prefix origin: AS29796 mnt-by: MAINT-AS1828 changed: scottl [at] internap.com 20110524 source: RADB last-modified: 2023-11-13T16:14:17Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.58.0/24 descr: PNAP-SFO markettools-2 origin: AS29796 mnt-by: MAINT-AS1828 changed: jgarnett [at] internap.com 20050708 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 63.251.59.0/24 descr: PNAP-SFO markettools-2 origin: AS29796 mnt-by: MAINT-AS1828 changed: jgarnett [at] internap.com 20050708 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 64.138.5.0/24 descr: Market Tools admin-c: MU1-LEVEL3 tech-c: MU1-LEVEL3 origin: AS29796 mnt-by: MASERGY-MNT changed: lglover [at] masergy.com 20040828 source: LEVEL3 rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 72.5.112.0/24 descr: PNAP-SFO markettools-3 origin: AS29796 mnt-by: MAINT-AS1828 changed: jgarnett [at] internap.com 20051011 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 203.196.177.0/24 descr: PACNET (proxy-registered route object) origin: AS29796 remarks: This route object is for a PACNET customer route which is being exported under this origin AS. + This route object was created because no existing route object with the same origin was found, and since some PACNET peers filter based on these objects this route may be rejected if this object is not created. + Please contact abuse [at] pacnet.net if you have any Concerns regarding Spam/Abuses related to this object + Please contact ip-noc [at] pacnet.net if you have any other Questions regarding this object. notify: ip-noc [at] pacnet.net mnt-by: MAINT-AS4637 changed: ip-noc [at] pacnet.net 20100201 source: RADB last-modified: 2023-11-13T15:58:52Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 207.138.172.0/24 descr: PNAP-SFO markettools routes origin: AS29796 mnt-by: MAINT-AS1828 changed: bkallinen [at] internap.com 20060315 source: RADB last-modified: 2023-11-13T16:13:55Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source