It's been a while since we had this server running but I can show you the regular maplist.
All of the used maps are included:
Here you can download all of the listed ones below:
https://mega.nz/#F!agg3QR5a!UoX6vEusoan9QzsZHkCNpg
Jail Break
ba_ace_jail_v2d.rar
ba_jail_blackops.rar
ba_jail_blackout_v10h.rar
ba_jail_canyondam_v6_fix.rar
ba_jail_cavewalk_v1b.rar
ba_jail_fg_revolution_v1.rar
ba_jail_fg_vacant_v4.rar
ba_jail_fg_wakka_b5.rar
ba_jail_fridej_beta3h.rar
ba_jail_handofthrawn_v1.rar
ba_jail_hogwarts_v1e.rar
ba_jail_leoben_a1.rar
ba_jail_lockdown_final.rar
ba_jail_lotus_final_fixed2.rar
ba_jail_lunar_mkIIf.rar
ba_jail_mn_blackops_snow9.rar
ba_jail_mn_maximum_v5.rar
ba_jail_mn_outbreak.rar
ba_jail_mn_snowed_in.rar
ba_jail_openfield_v2.rar
ba_jail_sand_v3.rar
ba_jail_snowynights_v3.rar
ba_jail_stationx_v1d_fix.rar
ba_jail_tile_paradice_v_2_sg.rar
ba_jail_vip_v4.rar
ba_mlcastle_v4_css5.rar
ba_prism_dtk_v3.rar
jb_abstract_sgfix.rar
jb_airship_b3.rar
jb_avalanche.rar
jb_b1_detention_center_fix.rar
jb_brikkenwood_v4.rar
jb_carceris_final_fixed.rar
jb_coast_v1fix_hell.rar
jb_heat_3fixed.rar
jb_hell_castle_bt5p.rar
jb_hello_v3.rar
jb_iceworld_v1_4.rar
jb_iron_fix3.rar
jb_island_prison_final.rar
jb_italia_revamp_b4.rar
jb_last_encounter.rar
jb_lego_jail_pre_v6-2.rar
jb_mc_raphi4life_v1.rar
jb_mia_v1.rar
jb_minecraft_z_v4g.rar
jb_new_summer_v2.rar
jb_paper_alive_ultime_se.rar
jb_paradise_prison_fix.rar
jb_progamer_v3h2.rar
jb_space_jail_v1_fix2.rar
jb_spy_vs_spy_beta7.rar
jb_supreme_electric_dj_v2b3.rar
jb_texture_jail_v7.rar
jb_umbrella_final_hell.rar
ba_ace_jail_v2d.rar25.8
Enjoy