Stu­dio Wild­card has release a new list of low pop­u­la­tion offi­cial servers that will be shut down and wiped on June 12th 2018. If you find your serv­er on this list, you have until June 12th to move to anoth­er serv­er or you will lose all your items, dinos, base etc. 

PS4 Wipe List
120Playerseups4notamingexperiment2thecenter
120Playerseups4notamingexperiment2theisland
120Playersnaps4notamingexperimentscorched
120Playersnaps4notamingexperimentthecenter
120Playersnaps4notamingexperimenttheisland
eups4officialserver10
eups4officialserver105
eups4officialserver106
eups4officialserver107
eups4officialserver19
eups4officialserver23
eups4officialserver24
eups4officialserver33
eups4officialserver391
eups4officialserver402
eups4officialserver409
eups4officialserver411
eups4officialserver427
eups4officialserver430
eups4officialserver435
eups4officialserver50
eups4officialserver56
eups4officialserver57
eups4officialserver58
eups4officialserver584
eups4officialserver590
eups4officialserver65
eups4officialserver659
eups4officialserver69
eups4officialserver70
eups4officialserver74
eups4officialserver75
eups4officialserver768
eups4officialserver773
eups4officialserver775
eups4officialserver782
eups4officialserver784
eups4officialserver790
eups4officialserver791
eups4officialserver796
eups4officialserver797
eups4officialserver807
eups4officialserver808
eups4officialserver809
eups4officialserver813
eups4officialserver817
eups4officialserver818
eups4officialserver820
eups4officialserver822
eups4scorchedearth114
eups4scorchedearth149
eups4thecenter100
eups4thecenter101
eups4thecenter104
eups4thecenter84
eups4thecenter85
eups4thecenter87
eups4thecenter88
eups4thecenter93
eups4thecenter96
naps4officialserver229
naps4officialserver247
naps4officialserver249
naps4officialserver250
naps4officialserver256
naps4officialserver258
naps4officialserver260
naps4officialserver350
naps4officialserver351
naps4officialserver354
naps4officialserver357
naps4officialserver358
naps4officialserver359
naps4officialserver362
naps4officialserver365
naps4officialserver367
naps4officialserver368
naps4officialserver455
naps4officialserver458
naps4officialserver463
naps4officialserver465
naps4officialserver466
naps4officialserver469
naps4officialserver475
naps4officialserver500
naps4officialserver501
naps4officialserver513
naps4officialserver516
naps4officialserver529
naps4officialserver544
naps4officialserver549
naps4officialserver611
naps4officialserver612
naps4officialserver613
naps4officialserver618
naps4officialserver620
naps4officialserver626
naps4officialserver705
naps4officialserver710
naps4officialserver714
naps4officialserver716
naps4officialserver720
naps4officialserver721
naps4officialserver722
naps4officialserver736
naps4officialserver743
naps4officialserver745
naps4officialserver757
naps4primitiveplus13
naps4scorchedearth284
naps4scorchedearth301
naps4thecenter262
naps4thecenter268
naps4thecenter269
naps4thecenter271
naps4thecenter276
naps4thecenter376
naps4thecenter553
pveeups4officialserver159
pveeups4officialserver160
pveeups4officialserver161
pveeups4officialserver162
pveeups4officialserver163
pveeups4officialserver168
pveeups4officialserver175
pveeups4officialserver443
pveeups4officialserver596
pveeups4officialserver605
pveeups4officialserver663
pveeups4officialserver673
pveeups4officialserver675
pveeups4officialserver824
pveeups4scorchedearth203
pveeups4scorchedearth204
pveeups4scorchedearth210
pveeups4thecenter189
pveeups4thecenter450
pvenaps4officialserver309
pvenaps4officialserver312
pvenaps4officialserver316
pvenaps4officialserver488
pvenaps4officialserver558
pvenaps4officialserver559
pvenaps4officialserver562
pvenaps4officialserver631
pvenaps4officialserver636
pvenaps4officialserver638
pvenaps4officialserver640
pvenaps4officialserver641
pvenaps4officialserver645
pvenaps4officialserver646
pvenaps4officialserver684
pvenaps4officialserver690
pvenaps4officialserver763
pvenaps4scorchedearth337
pvenaps4scorchedearth340
pvenaps4thecenter324
pvenaps4thecenter327
pvenaps4thecenter328
pvenaps4thecenter486
Xbox One Wipe List
euxboxnotaming2thecentertest
euxboxnotaming2theislandtest
euxboxofficialserver11
euxboxofficialserver144
euxboxofficialserver146
euxboxofficialserver15
euxboxofficialserver152
euxboxofficialserver154
euxboxofficialserver160
euxboxofficialserver162
euxboxofficialserver17
euxboxofficialserver18
euxboxofficialserver181
euxboxofficialserver255
euxboxofficialserver256
euxboxofficialserver258
euxboxofficialserver320
euxboxofficialserver323
euxboxofficialserver325
euxboxofficialserver339
euxboxofficialserver340
euxboxofficialserver368
euxboxofficialserver478
euxboxofficialserver481
euxboxofficialserver485
euxboxofficialserver487
euxboxofficialserver569
euxboxofficialserver571
euxboxofficialserver572
euxboxofficialserver578
euxboxofficialserver582
euxboxprimitiveplus2
euxboxscorchedearth829
euxboxscorchedearth875
euxboxthecenter683
euxboxthecenter685
euxboxthecenter686
euxboxthecenter689
euxboxthecenter694
euxboxthecenter712
euxboxthecenter789
naxboxnotaming1scorchedeartht
naxboxnotaming1thecentert
naxboxnotaming1theislandt
naxboxofficialserver103
naxboxofficialserver110
naxboxofficialserver112
naxboxofficialserver113
naxboxofficialserver133
naxboxofficialserver136
naxboxofficialserver207
naxboxofficialserver209
naxboxofficialserver210
naxboxofficialserver213
naxboxofficialserver216
naxboxofficialserver217
naxboxofficialserver218
naxboxofficialserver237
naxboxofficialserver240
naxboxofficialserver243
naxboxofficialserver267
naxboxofficialserver269
naxboxofficialserver270
naxboxofficialserver279
naxboxofficialserver281
naxboxofficialserver283
naxboxofficialserver288
naxboxofficialserver371
naxboxofficialserver372
naxboxofficialserver380
naxboxofficialserver381
naxboxofficialserver383
naxboxofficialserver388
naxboxofficialserver391
naxboxofficialserver393
naxboxofficialserver414
naxboxofficialserver43
naxboxofficialserver513
naxboxofficialserver517
naxboxofficialserver520
naxboxofficialserver523
naxboxofficialserver60
naxboxofficialserver62
naxboxofficialserver635
naxboxofficialserver636
naxboxofficialserver66
naxboxprimitiveplus6
naxboxscorchedearth960
naxboxscorchedearth997
naxboxthecenter647
naxboxthecenter650
naxboxthecenter654
naxboxthecenter742
naxboxthecenter747
naxboxthecenter751
naxboxthecenter754
naxboxthecenter758
naxboxthecenter759
naxboxthecenter780
naxboxthecenter807
naxboxthecenter811
naxboxthecenter821
naxboxthecenter822
primitivepveeuxboxofficialserver39
pveeuxboxofficialserver170
pveeuxboxofficialserver171
pveeuxboxofficialserver200
pveeuxboxofficialserver22
pveeuxboxofficialserver260
pveeuxboxofficialserver261
pveeuxboxofficialserver31
pveeuxboxofficialserver344
pveeuxboxofficialserver359
pveeuxboxofficialserver36
pveeuxboxofficialserver488
pveeuxboxofficialserver489
pveeuxboxofficialserver585
pveeuxboxofficialserver587
pveeuxboxofficialserver592
pveeuxboxofficialserver596
pveeuxboxofficialserver597
pveeuxboxofficialserver598
pveeuxboxprimitiveplus15
pveeuxboxprimitiveplus19
pveeuxboxscorchedearth881
pveeuxboxscorchedearth885
pveeuxboxscorchedearth901
pveeuxboxthecenter697
pveeuxboxthecenter701
pveeuxboxthecenter734
pvenaxboxofficialserver119
pvenaxboxofficialserver127
pvenaxboxofficialserver245
pvenaxboxofficialserver246
pvenaxboxofficialserver291
pvenaxboxofficialserver293
pvenaxboxofficialserver296
pvenaxboxofficialserver300
pvenaxboxofficialserver304
pvenaxboxofficialserver307
pvenaxboxofficialserver311test
pvenaxboxofficialserver398
pvenaxboxofficialserver430
pvenaxboxofficialserver431
pvenaxboxofficialserver434
pvenaxboxofficialserver435
pvenaxboxofficialserver443
pvenaxboxofficialserver539
pvenaxboxofficialserver541
pvenaxboxofficialserver547test
pvenaxboxofficialserver78
pvenaxboxofficialserver84
pvenaxboxofficialserver87
pvenaxboxprimitiveplus12
pvenaxboxscorchedearth942
pvenaxboxthecenter665
pvenaxboxthecenter672
pvenaxboxthecenter673
pvenaxboxthecenter674
pvenaxboxthecenter768
pvenaxboxthecenter769
PC Wipe List
140Playerseunotamingexperimentscorchedearth
140Playerseunotamingexperimentthecenter
140Playerseunotamingexperimenttheisland
140Playersnanotamingexperiment2thecenter
140Playersnanotamingexperiment2theisland
140Playersnanotamingexperimentragnarok
eupveofficialprimitiveplus21
eupvethecenter635
eupvpofficialprimitiveplus18
euscorchedearth672
napvethecenter592
napvethecenter598
napvethecenter601
nascorchedearth793
nathecenter584
nathecenter585
officialserver21
officialserver311
officialserver353
officialserver363
officialserver51
officialserver55
officialserver62
officialserver83
pveeuscorchedearth693
pvenascorchedearth752
pveofficialserver324
pveofficialserver328
pveofficialserver329
pveofficialserver33
pveofficialserver335
pveofficialserver337
pveofficialserver338
pveofficialserver34
pveofficialserver373
pveofficialserver38
theeuofficialserver184onnitrado
theeuofficialserver235onnitrado
theeuofficialserver239onnitrado
theeuofficialserver242onnitrado
theeupveofficialserver118onnitrado
theeupveofficialserver119onnitrado
theeupveofficialserver121onnitrado
theeupveofficialserver126onnitrado
theeupveofficialserver248onnitrado
theeupveofficialserver252onnitrado
theeupveofficialserver254onnitrado
theeupveofficialserver255onnitrado
theeupveofficialserver256onnitrado
theeupveofficialserver257onnitrado
theeupveofficialserver259onnitrado
theeupveofficialserver269onnitrado
theeupveofficialserver275onnitrado
theeupveofficialserver276onnitrado
theeupveofficialserver280onnitrado
theeupveofficialserver283onnitrado
theeupveofficialserver416onnitrado
theeupveofficialserver419onnitrado
theeupveofficialserver422onnitrado
theeupveofficialserver428onnitrado

If you have to move, Stu­dio Wild­card has pro­vid­ed a list of the most active lega­cy servers by plat­form. The fol­low­ing servers are the most active and “are ones most like­ly to be safe from any future serv­er removals.”

PS4 Lega­cy Serv­er Safe List
pveeups4officialragnarok5
pvenaps4officialragnarok4
pvenaps4officialragnarok8
eups4officialragnarok7
pveeups4officialragnarok2
naps4officialragnarok9
eups4officialragnarok6
naps4crossarkcluster7ragnarok
pvenaps4officialserver644
naps4officialragnarok3
pveeups4thecenter192
eups4thecenter581
naps4officialragnarok10
eups4officialserver16
eups4thecenter582
pveeups4aberration900
pvenaps4thecenter325
pvenaps4officialserver627
pveeups4officialserver676
naps4primitiveplus6
eups4officialserver780
pvenaps4officialserver632
eups4primitiveplus11
pveeups4officialserver182
pvenaps4officialserver630
pvenaps4aberration912
eups4officialserver20
pvenaps4scorchedearth329
eups4crossarkcluster2ragnarok
pveeups4thecenter188
Xbox One Lega­cy Serv­er Safe List
pvenaxboxofficialragnarok8
pveeuxboxofficialragnarok5
euxboxofficialragnarok7
pvenaxboxofficialragnarok2
naxboxofficialragnarok10
pveeuxboxofficialragnarok4
euaberration1100
pvenaxboxofficialserver302
euxboxofficialragnarok3
naxboxofficialragnarok1
pveeuxboxprimitiveplus4
euxboxcrossarkcluster2ragnarok
naxboxofficialragnarok9
naaberration1109
euxboxofficialragnarok6
pvenaxboxofficialserver76
naaberration1113
pveeuxboxofficialserver168
pvenaxboxofficialserver400
officialserver3
pveeuxboxofficialserver27
pvenaxboxofficialserver70
naxboxthehundredcrossark7ragnarok
naxboxofficialserver415
pvenaxboxofficialserver91
naxboxofficialserver101
naxboxthehundredcrossark4ragnarok
naaberration1115
naxboxofficialserver63
pveeuxboxthecenter729
PC Lega­cy Serv­er Safe List
napveragnarok14
thesapveofficialserver505
napveragnarok13
theeupveragnarok35
napveragnarok50
thesaofficialserver502
theeupveragnarok33
theeuragnarok24
theeupveragnarok59
ocpveragnarok39
theasiapveofficialserver526
pveeuaberration905
primitivepvpofficialserver455
naragnarok45
naragnarok2
pveeuaberration904
theeuragnarok26
ocragnarok38
naragnarok47
naragnarok1
theeupveragnarok34
ocpveaberration909
theasiapveragnarok41
theasiapveofficialserver523
theeupveisolatedragnarok60
theasiapveofficialserver511
officialserver5
officialserver37
thesaofficialserver501
theeuragnarok21

Source: Stu­dio Wild­card