Blocked traffic is monitored in a telecommunications network. Respective switch data is collected from each of the switches including respective routing tables and trunk performance parameters for a current time period. Final trunk groups are identified for each respective switch in response to the respective routing tables. The number of circuits within each final trunk group is determined. The total usage of each of the final trunk groups is determined in response to the respective trunk performance parameters. A blocking value for each of the final trunk groups is determined. A network portrayal is generated wherein each of the switches is depicted according to one of a plurality of ranges of aggregate blocking values for each respective switch. A plurality of switch portrayals is generated wherein each switch portrayal depicts each final trunk group within a respective switch according to a plurality of ranges of blocking values.