Big scraper! 
Looks like they are trying to get all of fedi, including dumping following/followers lists. Looks like (more on this later) they already have following/followers lists for at least a few hundred servers, as well as a few tens of gigs of timeline.
Hostnames: node$x.testsmall10.mastodonmeasure-pg0.utah.cloudlab.us
IPs: 128.110.218.165 128.110.218.181 128.110.218.172 128.110.218.182 128.110.218.180 128.110.218.197 128.110.218.164 128.110.218.169 128.110.218.185
CNAMEs for those hostnames are hp126, hp142, hp133, hp143, hp141, hp158, hp125, hp130, and hp146.utah.cloudlab.us, respectively.
Sample requests:
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:20+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:21+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:22+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:22+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:22+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:22+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -
128.110.218.181 - [2024-11-26T10:55:22+00:00] "GET /api/v1/timelines/public?local=true&limit=40 HTTP/1.1" 429 169 "-" "python-requests/2.32.3" 0.000 - - - fsebugoutzone.org - -