These entries are queried from radb.net using whois, you can try my project getting these.
:AS20452 route: 12.159.206.0/23 origin: AS20452 descr: BALL STATE UNIVERSITY remarks: BALL STATE UNIVERSITY remarks: contact noc [at] ilight.net if you have questions about this object. remarks: abuse contact is abuse [at] indiana.edu. mnt-by: MAINT-IU changed: slcarver [at] iu.edu 20201123 #18:40:06Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 12.159.209.0/24 origin: AS20452 descr: Ball State University remarks: BALL STATE UNIVERSITY remarks: contact noc [at] ilight.net if you have questions about this object. remarks: abuse contact is abuse [at] indiana.edu. mnt-by: MAINT-IU changed: slcarver [at] iu.edu 20201123 #18:41:06Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route: 147.226.0.0/16 origin: AS20452 descr: Ball State University remarks: BALL STATE UNIVERSITY remarks: contact noc [at] ilight.net if you have questions about this object. remarks: abuse contact is abuse [at] indiana.edu. mnt-by: MAINT-IU changed: slcarver [at] iu.edu 20201123 #18:41:53Z source: RADB last-modified: 2023-11-13T16:03:01Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2001:18e8:434::/48 descr: I-Light Ball State University (bsu) origin: AS20452 remarks: I-Light remarks: contact noc [at] ilight.net if you have questions about this object. remarks: abuse contact is abuse [at] iu.edu mnt-by: MAINT-IU changed: wtjohnso [at] globalnoc.iu.edu 20180910 #00:14:08Z source: RADB last-modified: 2023-11-13T15:54:41Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source route6: 2620:0:3b0::/48 descr: Ball State University origin: AS20452 remarks: Ball State University remarks: contact noc [at] ilight.net if you have questions about this object. remarks: abuse contact is abuse [at] iu.edu mnt-by: MAINT-IU changed: wtjohnso [at] globalnoc.iu.edu 20170712 #16:31:19Z source: RADB last-modified: 2023-11-13T15:51:16Z rpki-ov-state: not_found # No ROAs found, or RPKI validation not enabled for source