Shard ranges seem incorrect

[Markus Jelsma]

Hi - i've just created a 3 shard 3 replica collection on Solr 6.0.0 and we 
noticed something odd, the hashing ranges don't make sense (full state.json 
below):
shard1 Range: 80000000-d554ffff
shard2 Range: d5550000-2aa9ffff
shard3 Range: 2aaa0000-7fffffff

We've also noticed ranges not going from 0 to ffffffff for a 5.5 create single 
shard collection. Another collection created on an older (unknown) release has 
correct shard ranges. Any idea what's going on?
Thanks,
Markus

{"logs":{
    "replicationFactor":"3",
    "router":{"name":"compositeId"},
    "maxShardsPerNode":"9",
    "autoAddReplicas":"false",
    "shards":{
      "shard1":{
        "range":"80000000-d554ffff",
        "state":"active",
        "replicas":{
          "core_node3":{
            "core":"logs_shard1_replica3",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"},
          "core_node4":{
            "core":"logs_shard1_replica1",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active",
            "leader":"true"},
          "core_node8":{
            "core":"logs_shard1_replica2",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"}}},
      "shard2":{
        "range":"d5550000-2aa9ffff",
        "state":"active",
        "replicas":{
          "core_node1":{
            "core":"logs_shard2_replica1",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active",
            "leader":"true"},
          "core_node2":{
            "core":"logs_shard2_replica2",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"},
          "core_node9":{
            "core":"logs_shard2_replica3",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"}}},
      "shard3":{
        "range":"2aaa0000-7fffffff",
        "state":"active",
        "replicas":{
          "core_node5":{
            "core":"logs_shard3_replica1",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active",
            "leader":"true"},
          "core_node6":{
            "core":"logs_shard3_replica2",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"},
          "core_node7":{
            "core":"logs_shard3_replica3",
            "base_url":"http://127.0.1.1:8983/solr";,
            "node_name":"127.0.1.1:8983_solr",
            "state":"active"}}}}}}