diff --git a/src/inputs/input.js b/src/inputs/input.js
index a073815..f81e976 100644
--- a/src/inputs/input.js
+++ b/src/inputs/input.js
@@ -39,6 +39,7 @@ export default class Input {
         this.prefixes = [];
         this.asns = [];
         this.cache = {};
+        this.config = config;
     };
 
     _isAlreadyContained = (prefix, lessSpecifics) => {
diff --git a/src/inputs/inputYml.js b/src/inputs/inputYml.js
index f1827bc..ba5c6c2 100644
--- a/src/inputs/inputYml.js
+++ b/src/inputs/inputYml.js
@@ -145,6 +145,10 @@ export default class InputYml extends Input {
                     return "Not a valid prefix: " + prefix;
                 }
 
+
+                if (this.config.environment === "research") {
+                    item.asn = item.asn || 0;
+                }
                 if (["string", "number"].includes(typeof(item.asn))) {
                     asns = [item.asn];
                 } else if (item.asn instanceof Array) {
@@ -153,6 +157,7 @@ export default class InputYml extends Input {
                     return "Not a valid AS number for: " + prefix;
                 }
 
+
                 if (!new AS(asns).isValid()) {
                     return "Not a valid AS number for: " + prefix;
                 }
diff --git a/src/model.js b/src/model.js
index 1f97458..1ba1fae 100644
--- a/src/model.js
+++ b/src/model.js
@@ -72,7 +72,7 @@ export class AS {
                             return false;
                         }
 
-                        return asn > 0 && asn <= 4294967295;
+                        return asn >= 0 && asn <= 4294967295;
                     }) &&
                 [...new Set(this.numbers.map(i => parseInt(i)))].length === this.numbers.length;
         }
diff --git a/src/reports/reportAlerta.js b/src/reports/reportAlerta.js
index ae90346..b2bbf06 100644
--- a/src/reports/reportAlerta.js
+++ b/src/reports/reportAlerta.js
@@ -65,12 +65,12 @@ export default class ReportAlerta extends Report {
 
     }
 
-    _createAlertaAlert = (url, message, content) => {
+    _createAlertaAlert = (url, channel, content) => {
 
-        const severity = (this.params && this.params.severity && this.params.severity[message])
-            ? this.params.severity[message]
+        const severity = (this.params && this.params.severity && this.params.severity[channel])
+            ? this.params.severity[channel]
             : "informational"; // informational level
-        const context = this.getContext(message, content);
+        const context = this.getContext(channel, content);
 
         axios({
             url: url + "/alert",
@@ -78,8 +78,8 @@ export default class ReportAlerta extends Report {
             headers: this.headers,
             resposnseType: "json",
             data: {
-                event: message,
-                resource: this.parseTemplate(this.params.resourceTemplates[message] || this.params.resourceTemplates["default"], context),
+                event: channel,
+                resource: this.parseTemplate(this.params.resourceTemplates[channel] || this.params.resourceTemplates["default"], context),
                 text: content.message,
                 service: ["BGPalerter"],
                 attributes: context,