Router Naming Convention for bt-igs.net, 201708

Regular Expressions:

  1. ^(xe)-\d+-\d+-\d+-.+-([a-z]+)\.bt-igs\.net$
  2. ^[a-z]+-\d+-(\d+)-\d+-.+-([a-z]+)\.bt-igs\.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:

0|bap
213.170.40.162+fa-6-0-0-4-r1-bap.bt-igs.net
212.80.163.2+fe-6-0-1-1-r2-bap.bt-igs.net
 
1|bap
212.80.163.4+fa-1-1-1-core2-bap.bt-igs.net
213.170.40.166+fe-0-1-0-4-core2-bap.bt-igs.net
 
xe|bap
212.80.160.98+xe-0-0-1-997-core3-bap.bt-igs.net
212.80.160.61+xe-1-1-0-13-core1-bap.bt-igs.net
208.175.154.18btigs-gw-bap.cw.net
 
xe|bap
212.80.160.62!xe-0-0-1-13-core3-bap.bt-igs.net
193.242.98.145bt02.02.catnix.net
 
xe|espanix
212.80.161.105~lt-0-core1-espanix.bt-igs.net
212.80.160.253+xe-0-0-0-20.core1-espanix.bt-igs.net
212.80.160.241+xe-0-0-0-23.core1-espanix.bt-igs.net
212.80.161.101+xe-0-0-2-core1-espanix.bt-igs.net
206.24.139.18bt_igs-gw-esx.cw.net
 
xe|espanix
212.80.160.242!xe-0-0-0-23.core2-espanix.bt-igs.net
212.80.160.97!xe-0-0-2-core2-espanix.bt-igs.net
193.149.1.18bt.baja.espanix.net
 
xe|gsw
212.80.161.86+xe-0-0-1-r2i-gsw.bt-igs.net
212.80.161.90+xe-0-0-2-r2i-gsw.bt-igs.net
 
xe|gsw
212.80.160.158~atm0-0-0-9-r2-fra.migrations.bt-igs.net
212.80.160.67!xe-0-0-1-core2-gsw.bt-igs.net
 
xe|gsw
212.80.161.102!xe-0-3-0-core3-gsw.bt-igs.net
149.6.150.178nervia-internet.demarc.cogentco.com
 
xe|lic
212.80.160.147~irb-999.core1-lic.bt-igs.net
212.80.160.133+xe-0-0-0-core1-lic.bt-igs.net
212.80.160.196+xe-0-0-2-core1-lic.bt-igs.net
 
212.80.160.131~fa1-0-0-4-r1-lic.bt-igs.net
212.80.160.194~fa4-1-0-4-r1-lic.bt-igs.net
 
212.80.190.52~1001-v-sw2-gsw.bt-igs.net
212.80.190.177~fa4-1-0-r1-fra.migrations.bt-igs.net