Router Naming Convention for twttr.com, 201508

Regular Expressions:

  1. ^[^\.]+\.([a-z]+\d+-cr\d+)\.twttr\.com$

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:

ams1-cr1
192.133.76.48+ae65.ams1-cr1.twttr.com
192.133.76.64+ae66.ams1-cr1.twttr.com
 
ams1-cr2
192.133.76.52+ae62.ams1-cr2.twttr.com
 
atl2-cr2
199.16.159.97+xe-0-3-1.atl2-cr2.twttr.com
199.16.159.78~xe-3-3-1.cr2.atl2.twttr.com
 
chi1-cr1
192.133.76.4+ae60.chi1-cr1.twttr.com
199.16.159.30+xe-0-0-0.chi1-cr1.twttr.com
199.16.159.35+xe-1-0-0.chi1-cr1.twttr.com
 
chi1-cr2
192.133.76.5+ae60.chi1-cr2.twttr.com
192.133.76.10+ae63.chi1-cr2.twttr.com
62.115.48.198twitter-ic-308106-chi-b21.c.telia.net
 
dfw1-cr1
199.16.159.26+ae61.dfw1-cr1.twttr.com
199.16.159.114+xe-0-0-0.dfw1-cr1.twttr.com
 
dfw1-cr2
199.16.159.27+ae61.dfw1-cr2.twttr.com
199.16.159.95+xe-2-1-1.dfw1-cr2.twttr.com
62.115.48.202twitter-ic-308108-dls-bb1.c.telia.net
 
iad1-cr1
192.133.76.73+ae65.iad1-cr1.twttr.com
199.16.159.145+xe-10-1-1.iad1-cr1.twttr.com
62.115.33.198twitter-ic-302255-ash-b2.c.telia.net
 
iad1-cr2
199.16.159.109+ae62.iad1-cr2.twttr.com
199.16.159.57+xe-0-1-1.iad1-cr2.twttr.com
199.16.159.147+xe-10-0-1.iad1-cr2.twttr.com
4.26.6.10comcast-ip.edge2.washington12.level3.net
 
lax1-cr1
199.16.159.152+xe-0-1-1.lax1-cr1.twttr.com
199.16.159.94+xe-1-0-0.lax1-cr1.twttr.com
199.16.159.20+xe-1-1-1.lax1-cr1.twttr.com
 
lax1-cr1
199.16.159.92!xe-0-0-0.lax1-cr1.twttr.com
157.238.64.122ae-0.twitter.lsanca03.us.bb.gin.ntt.net
 
lon2-cr1
192.133.76.65+ae66.lon2-cr1.twttr.com
199.16.159.144+xe-0-0-1.lon2-cr1.twttr.com
212.187.192.218unknown.level3.net
62.115.34.6twitter-ic-302263-ldn-b3.c.telia.net
 
nyc1-cr1
192.133.76.12+ae61.nyc1-cr1.twttr.com
206.130.10.77~cr1.nyc1.twttr.com
62.115.33.210twitter-ic-302259-nyk-b6.c.telia.net
 
nyc1-cr2
192.133.76.13+ae61.nyc1-cr2.twttr.com
198.32.160.50twitter.nyiix.net
 
pao1-cr1
199.16.159.16+xe-0-1-0.pao1-cr1.twttr.com
129.250.196.102xe-0-4-0-2.r05.plalca01.us.ce.gin.ntt.net
 
pao1-cr2
192.133.76.11+ae63.pao1-cr2.twttr.com
199.16.159.18+xe-0-0-1.pao1-cr2.twttr.com
199.16.159.1+xe-0-3-1.pao1-cr2.twttr.com
62.115.34.2twitter-ic-302262-sjo-b21.c.telia.net
 
par1-cr2
192.133.76.53+ae62.par1-cr2.twttr.com
37.49.237.71twitter2.franceix.net
213.248.87.58twitter-ic-308401-prs-rosy-s2.c.telia.net
 
sao1-cr1
199.16.159.11+xe-1-0-0.sao1-cr1.twttr.com
 
sin1-cr1
199.16.158.252+ae10.sin1-cr1.twttr.com
199.16.159.153+xe-0-1-1.sin1-cr1.twttr.com
 
sjc2-cr1
199.16.159.17+xe-0-1-0.sjc2-cr1.twttr.com
4.79.238.130twitter-inc.edge2.sanjose1.level3.net
 
sjc2-cr2
199.16.159.19+xe-0-0-1.sjc2-cr2.twttr.com
199.16.159.9+xe-0-3-1.sjc2-cr2.twttr.com
199.16.159.130+xe-1-1-1.sjc2-cr2.twttr.com
 
tyo1-cr1
199.16.159.134~ae61.tyo1-cr1.net.twttr.com
199.16.159.14+xe-0-0-0.tyo1-cr1.twttr.com
61.213.145.166ae-0.twitter.tokyjp03.jp.bb.gin.ntt.net
 
192.133.76.2-ae60.sea2-cr1.twttr.com
192.133.76.9!ae63.pao1-cr2.twttr.com
62.115.41.158twitter-ic-305911-sea-b1.c.telia.net
 
192.133.76.19oae65.atl1-er2.twttr.com
199.16.159.65ae53.atl1-er2.net.twttr.net
 
192.133.76.21oae65.atl1-er1.twttr.com
199.16.159.75ae53.atl1-er1.net.twttr.net
 
192.133.76.67oet-7-1-0.smf1-er1.twttr.com
 
199.16.159.135oae61.tyo1-cr2.net.twttr.com
203.105.72.74ae-1.twitter.tokyjp03.jp.bb.gin.ntt.net