Router Naming Convention for messagelabs.net, 201104

Regular Expressions:

1. ^[a-z]+\d+\.(ag\d+)\.[a-z\d]+\.([a-z]+)\.messagelabs\.net$
2. ^[^\.]+\.([a-z\d]+\..+)\.messagelabs\.net$

Statistics:

• Training routers with at least two clustered interfaces: 38
• Positive Predictive Value: 0.988
• True Positives (green): 79
• False Positives (red): 1
• IP literals extracted (red): 0
• False Negatives, identifier extracted (orange): 0
• False Negatives, not matched: 2
• Training routers with a single interface in suffix: 3

Legend:

Evaluation against training data: