GET /directory HTTP/1.1
 Host: alto.example.com
 Accept: application/alto-directory+json,application/alto-error+json
 
 HTTP/1.1 200 OK
 Content-Length: 2713
 Content-Type: application/alto-directory+json
 
 {
   "meta" : {
     "default-alto-network-map" : "default-network-map"
   },
   "resources" : {
     "default-network-map" : {
       "uri" : "http://alto.example.com/networkmap/default",
       "media-type" : "application/alto-networkmap+json"
     },
     "alt-network-map" : {
       "uri" : "http://alto.example.com/networkmap/alt",
       "media-type" : "application/alto-networkmap+json"
     },
     "ia-property-map" : {
       "uri" : "http://alto.example.com/propmap/full/inet-ia",
       "media-type" : "application/alto-propmap+json",
       "capabilities" : {
         "mappings": {
           "ipv4": [ ".ISP", ".ASN" ],
           "ipv6": [ ".ISP", ".ASN" ]
         }
       }
     },
     "iacs-property-map" : {
       "uri" : "http://alto.example.com/propmap/lookup/inet-iacs",
       "media-type" : "application/alto-propmap+json",
       "accepts": "application/alto-propmapparams+json",
       "capabilities" : {
         "mappings": {
           "ipv4": [ ".ISP", ".ASN", ".countrycode", ".state" ],
           "ipv6": [ ".ISP", ".ASN", ".countrycode", ".state" ]
         }
       }
     },
     "region-property-map": {
       "uri": "http://alto.example.com/propmap/lookup/region",
       "media-type": "application/alto-propmap+json",
       "accepts": "application/alto-propmapparams+json",
       "uses" : [ "default-network-map", "alt-network-map" ],
       "capabilities": {
         "mappings": {
           "default-network-map.pid": [ ".region" ],
           "alt-network-map.pid": [ ".ASN" ]
         }
       }
     },
     "ip-pid-property-map" : {
       "uri" : "http://alto.example.com/propmap/lookup/pid",
       "media-type" : "application/alto-propmap+json",
       "accepts" : "application/alto-propmapparams+json",
       "uses" : [ "default-network-map", "alt-network-map" ],
       "capabilities" : {
         "mappings": {
           "ipv4": [ "default-network-map.pid",
                     "alt-network-map.pid" ],
           "ipv6": [ "default-network-map.pid",
                     "alt-network-map.pid" ]
         }
       }
     },
     "legacy-endpoint-property" : {
       "uri" : "http://alto.example.com/legacy/eps-pid",
       "media-type" : "application/alto-endpointprop+json",
       "accepts" : "application/alto-endpointpropparams+json",
       "capabilities" : {
         "properties" : [ "default-network-map.pid",
                          "alt-network-map.pid" ]
       }
     },
     "ane-dc-property-map": {
       "uri" : "http://alto.example.com/propmap/lookup/ane-dc",
       "media-type" : "application/alto-propmap+json",
       "accepts": "application/alto-propmapparams+json",
       "capabilities": {
         "mappings": {
           ".ane" : [ "storage-capacity", "ram", "cpu" ]
         }
       }
     }
   }
 }