Router Naming Convention for messagelabs.net, 201404

Regular Expressions:

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

Statistics:

Legend:

Green

+ Inferred identifier, true positive when evaluated against training data

Orange

- Inferred identifier, false negative when evaluated against training data

Red

! Inferred identifier, false positive when evaluated against training data

Red

x Inferred identifier, but contains part of IP address literal embedded in hostname
~ False negative, not matched
o No regex matched the interface, but the interface was the only interface in this suffix on the router
* A filter regex matched the interface

Evaluation against training data:

er1.am1.nl
95.131.107.245+xe-2-3-0-104.er1.am1.nl.messagelabs.net
94.31.33.2+xe-2-3-0-802.er1.am1.nl.messagelabs.net
212.72.33.174unknown.level3.net
95.131.109.245xe-2-3-0-100.er1.amsterdam-am1.symsaas.net
 
er1.az1.us
67.219.253.38+xe-2-3-0-200.er1.az1.us.messagelabs.net
4.53.108.150+xe-2-3-0-804.er1.az1.us.messagelabs.net
64.125.194.230+xe-2-3-0-806.er1.az1.us.messagelabs.net
67.219.249.29xe-2-3-0-204.er1.mesa-az1.symsaas.net
67.219.255.218xe-2-3-0-209.er1.mesa-az1.symsaas.net
 
er1.co1.us
4.28.17.182+xe-2-3-0-802.er1.co1.us.messagelabs.net
64.125.194.21464.125.194.214.t00847-01.above.net
67.219.251.18ae1-52.er1.denver-co1.symsaas.net
67.219.249.30xe-2-3-0-204.er1.denver-co1.symsaas.net
 
er1.ff1.de
79.141.44.2+ge-2-1-8.er1.ff1.de.messagelabs.net
95.131.107.18ae1-52.er1.frankfurt-ff1.symsaas.net
95.131.107.253xe-2-3-0-102.er1.frankfurt-ff1.symsaas.net
95.131.107.246xe-2-3-0-104.er1.frankfurt-ff1.symsaas.net
67.219.255.234xe-2-3-0-306.er1.frankfurt-ff1.symsaas.net
 
er1.ld3.uk
94.31.32.118+ge-2-0-3.er1.ld3.uk.messagelabs.net
95.131.109.246+ge-2-0-8-100.er1.ld3.uk.messagelabs.net
95.131.107.254+ge-2-0-8-102.er1.ld3.uk.messagelabs.net
95.131.104.1ge-2-0-8-110.er1.london-ld3.symsaas.net
67.219.255.242ge-2-1-8-304.er1.london-ld3.symsaas.net
95.131.105.33xe-1-3-0.er1.london-ld3.symsaas.net
 
er1.ld4.uk
94.31.32.106+ge-2-1-2.er1.ld4.uk.messagelabs.net
95.131.105.34xe-1-3-0.er1.london-ld4.symsaas.net
 
er1.va1.us
4.59.158.106+xe-2-3-0-804.er1.va1.us.messagelabs.net
64.125.194.22264.125.194.222.t00847-09.above.net
67.219.253.10ae0-51.er1.sterling-va1.symsaas.net
67.219.253.37xe-2-3-0-200.er1.sterling-va1.symsaas.net
67.219.255.226xe-2-3-0-207.er1.sterling-va1.symsaas.net
67.219.253.33xe-2-3-0-300.er1.sterling-va1.symsaas.net
95.131.107.26xe-2-3-0-302.er1.sterling-va1.symsaas.net
 
er2.az1.us
4.53.110.22+xe-2-3-0-805.er2.az1.us.messagelabs.net
64.125.194.23464.125.194.234.t00847-12.above.net
67.219.249.19ae1-52.er2.mesa-az1.symsaas.net
67.219.255.214xe-2-3-0-210.er2.mesa-az1.symsaas.net
 
er2.co1.us
4.28.17.178+xe-2-3-0-803.er2.co1.us.messagelabs.net
64.125.194.21864.125.194.218.t00847-02.above.net
67.219.251.11ae0-51.er2.denver-co1.symsaas.net
67.219.255.206xe-2-3-0-212.er2.denver-co1.symsaas.net
 
er2.ff1.de
79.141.44.6+ge-2-0-9.er2.ff1.de.messagelabs.net
212.162.40.234messagelabs.edge3.frankfurt1.level3.net
95.131.107.11ae0-51.er2.frankfurt-ff1.symsaas.net
95.131.107.249ge-2-0-8-103.er2.frankfurt-ff1.symsaas.net
 
er2.sy1.au
165.228.148.142+ge-1-1-0.er2.sy1.au.messagelabs.net
139.130.105.26azz1251542.lnk.telstra.net
 
er2.to2
67.219.254.246+ge-0-0-0-465.er2.to2.messagelabs.net
67.219.254.230+ge-0-0-0.er2.to2.messagelabs.net
 
95.131.106.193ounassigned.messagelabs.net
95.131.107.17vlan52.ag2.frankfurt-ff1.symsaas.net