I find this explanation plausible:

Loli.net has been used before. In the last 2 years, it's used/mentioned in those posts (and not all of them are in Chinese):
51932853,52166645,52392977,52762296,52762346,52762423,52762624,52763626,52763662,52771842,52783530,53134610,53135324,53144664,53191017,53191987,53193248,53199217,53203177,53203195,53208847,53210005,53210029,53211591,53212093,53221568,53221591,53310457,53781951,53834681,53888761,54078063,54103569,54313803,54313861,54436467,54458017,54758956,54763549,54998303,55045970,55113436,55180178,55420900,55577724,56305743,57368742,57368755,57370099,57370438,57372683,57373422,57374236,57374733,57375870,57412345,57418030,57418789,57421103,57425469,57429566,57431835,57463338,57463424,57471124,57479164,57479334,57487585,57494889,57495975,57497896,57517277,57517435,57518514,57523235,57523507,57523618,57531326,57532276,57535585,57546050,57547841,57548060,57554937,57557128,57560680,57561417,57561939,57562021,57562054,57562305,57562602,57562717,57566351,57568935,57569089,57569105,57569215,57569328,57569855,57574846,57580263,57583726,57584464,57586222,57587236,57588944,57597735,57598261,57605722,57606749,57613441,57618968,57619230,57619429,57620059,57620168,57626572,57627313,57627393,57627416,57628721,57629005,57635250,57636740,57636741,57636794,57639784,57645121,57651007,57652358,57652568,57653048,57653836,57655265,57659328,57661168,57666352,57666566,57668454,57673568,57673585,57675388,57676595,57679005,57681811,57683478,57689851,57690501,57693811,57696032,57696492,57706404,57714886,57722301,57722688,57723864,57725047,57729038,57729059,57729138,57730786,57730848,57732197,57733007,57733203,57734478,57747433,57747564,57747656,57754312,57769679,57770012,57771391,57771424,57784873,57786623,57786765,57793294,57793422,57793602,57795594,57797319,57798827,57799153,57799183,57799338,57800343,57800438,57800440,57800525,57801635,57801902,57802098,57802850,57802988