These entries are queried from radb.net using whois, you can try my project getting these.
:AS55183 route: 198.21.95.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 8th Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:51:37Z source: RADB route: 198.21.94.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 7th Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:54:05Z source: RADB route: 198.21.93.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 6th Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:55:04Z source: RADB route: 198.21.92.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 5th Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:56:04Z source: RADB route: 198.21.91.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 4th Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:57:30Z source: RADB route: 198.21.90.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 3rd Class C of 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:58:28Z source: RADB route: 198.21.89.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 2nd Class C for 198.21.88.0/21 Added to allow /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #01:59:34Z source: RADB route: 198.21.88.0/24 origin: AS55183 descr: Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 1st Class C of 198.21.88.0/21 Added to allow /24 advertisements notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20200524 #02:00:27Z source: RADB route: 208.67.31.0/24 origin: AS55183 descr: SonicNet AS22436 via Fast-Air Internet PO Box 263 Caspian, MI admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 4th C Class of 208.67.31.0/24 added for /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20210412 #00:55:45Z source: RADB route: 208.67.30.0/24 origin: AS55183 descr: SonicNet AS22436 via Fast-Air Internet, Inc. PO Box 265 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20210412 #00:56:10Z source: RADB route: 208.67.28.0/24 origin: AS55183 descr: SonicNet AS22436 c/o Fast-Air Internet, Inc. PO Box 263 Caspian, MI 49915 admin-c: ABS12-ARIN tech-c: STAFF18-ARIN remarks: 1st C class of 208.67.28.0/22 added for /24 advertisement notify: hostmaster [at] fast-air.net mnt-by: MAINT-AS55183 changed: mike.stafford [at] fast-air.net 20210412 #00:56:54Z source: RADB route: 198.21.88.0/21 descr: Added for AS55183 origin: AS55183 mnt-by: MAINT-AS30517 changed: rbarber [at] everstream.net 20220324 source: RADB