Failing to fetch ubuntu-ports on automated build

Below IP addresses seem to be blocked. Has anyone seen this before? Any advice on how to get around it? Thanks!

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e[91m: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/pool/universe/libg/libgsm/libgsm1_1.0.13-4_armhf.deb 403 Forbidden [IP: 91.189.88.150 80]
<< removed one due to new user link posting limit>>
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e[91m: Failed to fetch http://ports.ubuntu.com/ubuntu-ports/pool/universe/b/boost-defaults/libboost-log-dev_1.54.0.1ubuntu1_armhf.deb 403 Forbidden [IP: 91.189.88.150 80]
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e[91m: Unable to fetch some archives, maybe run apt-get update or try with --fix-missing?e[0m
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Removi