Router Naming Convention for twttr.com, 201404

Regular Expressions:

  1. ^[^\.]+\.([a-z]+\d+-[a-z]+\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:

atl1-er1
199.16.159.73+ae50.atl1-er1.twttr.com
199.16.159.61+ae51.atl1-er1.twttr.com
199.16.159.75ae53.atl1-er1.net.twttr.net
 
atl1-er2
199.16.159.71+ae50.atl1-er2.twttr.com
199.16.159.67+ae51.atl1-er2.twttr.com
199.16.159.65ae53.atl1-er2.net.twttr.net
 
atl2-cr1
199.16.159.81+ae60.atl2-cr1.twttr.com
199.16.159.117~xe-0-2-1.cr1.atl2.twttr.com
199.16.159.104+xe-0-3-0.atl2-cr1.twttr.com
199.16.159.91!xe-1-3-0.atl2-cr2.twttr.com
 
atl2-cr2
199.16.159.83+ae60.atl2-cr2.twttr.com
199.16.159.106+xe-0-0-0.atl2-cr2.twttr.com
199.16.159.78~xe-3-3-1.cr2.atl2.twttr.com
 
chi1-cr1
199.16.159.30+xe-0-0-0.chi1-cr1.twttr.com
199.16.159.58+xe-0-1-1.chi1-cr1.twttr.com
199.16.159.35+xe-1-0-0.chi1-cr1.twttr.com
62.115.33.178twitter-ic-302236-chi-eqx-i1.c.telia.net
 
dfw1-cr1
199.16.159.95+xe-2-0-0.dfw1-cr1.twttr.com
199.16.159.59+xe-2-0-2.dfw1-cr1.twttr.com
 
iad1-cr1
199.16.159.84+ae60.iad1-cr1.twttr.com
199.16.159.123+xe-0-2-1.iad1-cr1.twttr.com
199.16.159.90+xe-1-3-0.iad1-cr1.twttr.com
199.16.159.145+xe-10-1-1.iad1-cr1.twttr.com
199.16.159.127+xe-3-0-1.iad1-cr1.twttr.com
62.115.33.198twitter-ic-302255-ash-b2.c.telia.net
 
iad1-cr2
199.16.159.86+ae60.iad1-cr2.twttr.com
199.16.159.109+ae62.iad1-cr2.twttr.com
199.16.159.57+xe-0-1-1.iad1-cr2.twttr.com
199.16.159.96+xe-0-2-1.iad1-cr2.twttr.com
199.16.159.125~xe-1-2-1.iad-cr2.twttr.com
199.16.159.147+xe-10-0-1.iad1-cr2.twttr.com
 
lax1-cr1
199.16.159.152+xe-0-1-1.lax1-cr1.twttr.com
199.16.159.20+xe-1-1-1.lax1-cr1.twttr.com
 
lon1-cr1
199.16.159.124+xe-1-0-0.lon1-cr1.twttr.com
212.113.14.238twitter-inc.edge4.london1.level3.net
213.130.48.90twitter-0.r02.londen03.uk.bb.gin.ntt.net
 
lon2-cr1
199.16.159.144+xe-0-0-1.lon2-cr1.twttr.com
62.115.34.6twitter-ic-302263-ldn-b3.c.telia.net
 
nyc1-cr1
199.16.159.108+ae62.nyc1-cr1.twttr.com
199.16.159.110+xe-1-0-0.nyc1-cr1.twttr.com
62.115.33.210twitter-ic-302259-nyk-b6.c.telia.net
 
pao1-cr1
199.16.159.85+ae60.pao1-cr1.twttr.com
199.16.159.0+xe-0-3-1.pao1-cr1.twttr.com
199.16.159.21+xe-4-1-1.pao1-cr1.twttr.com
 
pao1-cr2
199.16.159.87+ae60.pao1-cr2.twttr.com
199.16.159.18+xe-0-0-1.pao1-cr2.twttr.com
199.16.159.15+xe-0-3-0.pao1-cr2.twttr.com
199.16.159.1+xe-0-3-1.pao1-cr2.twttr.com
199.16.159.111+xe-1-3-0.pao1-cr2.twttr.com
 
sin1-cr1
199.16.159.153+xe-0-1-1.sin1-cr1.twttr.com
 
sjc2-cr1
199.16.159.80+ae60.sjc2-cr1.twttr.com
199.16.159.115+xe-0-0-0.sjc2-cr1.twttr.com
199.16.159.17+xe-0-1-0.sjc2-cr1.twttr.com
199.16.159.8+xe-0-3-1.sjc2-cr1.twttr.com
199.16.159.93+xe-1-2-1.sjc2-cr1.twttr.com
129.250.196.94ae-0.twitter.snjsca04.us.bb.gin.ntt.net
 
sjc2-cr2
199.16.159.82+ae60.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
199.16.159.154+xe-5-2-2.sjc2-cr2.twttr.com
129.250.196.98ae-1.twitter.snjsca04.us.bb.gin.ntt.net
 
smf1-er2
199.16.159.53+ae50.smf1-er2.twttr.com
199.16.159.41+ae53.smf1-er2.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
199.16.159.13+xe-1-0-0.tyo1-cr1.twttr.com
 
199.16.159.135~ae61.tyo1-cr2.net.twttr.com
199.16.159.155-xe-0-0-0.tyo1-cr2.twttr.com
199.16.159.45!xe-0-2-0.iad1-cr2.twttr.com