Router Naming Conventions per suffix over time

Introduction:

We are currently working on an algorithm that automatically
detects geolocation hints embedded inside hostnames and builds
regular expressions (regexes) to extract them.

Figure 1 illustrates the approach by example, where there
are six hostnames for three routers with geolocation hints
embedded, which are feasible given delay constraints from
vantage points with a known location.

Conceptually, we conclude the regex accurately represents
the naming convention for the suffix if the regex usually
extracts an apparent geolocation hint from the hostname, and the regex
behaves this way for numerous routers with hostnames in the suffix.

We are at that stage where we need feedback from operators
to validate/improve our algorithm. We include below a set of
inferred geolocation conventions for routers in approximately
one thousand domains.

If you would be willing to donate a few minutes of your time
to validate inferences (or let me know of errors) for any
domains you are intimately familiar with, please contact
mjl@caida.org.

Figure 1: Naming Convention for zayo.com.

Legend:

Green

Good: At least 90% Positive Predictive Value (PPV) and at least three unique geolocation hints with true positives

Orange

Mediocre: At least 80% Positive Predictive Value (PPV) and at least unique geolocation hints with true positives

Red

Poor: Less than 80% Positive Predictive Value (PPV) or less than three geolocaiton hints with true positives

Suffixes:

IPv4 IPv4 IPv6 IPv6
0rbitel.net 202103202008
123.net 202103202008
29632.as 202103202008
2iij.net 202103202008202011
31173.se 202103202008202103202011
360.net 202103202008
4830.org 202103202008202103
6-e.net 202103202011
8it.ca 202103202008
aapt.com.au 202103202008
aarnet.edu.au 202103202008
aarnet.net.au 202103202008202103202011
abcrede.net.br 202103202008
above.net 202103202008202103202011
ac-creteil.fr 202103202008
ac-net.net 202103202008
ac-net.se 202103202008
acad.bg 202103202008202103202011
accesscomm.ca 202103202008
acd.net 202103202008
acndigital.net 202103202008
acorus.net 202103202008202103202011
acsalaska.net 202103202008
acsdata.co.nz 202103202008
acsdataglobal.net 202103202011
adamo.es 202103202008
adista.fr 202103202008
admin.ch 202103202008
adobe.net 202103202008
advancedhosting.com 202103
afilias-nst.info 202103202008
afribone.net 202103202008
afrisp.net 202103202008
ainet.at 202103202008
airadvantage.net 202103202008
airmail.net 202103202008
airmax.pl 202008
airstreamcomm.net 202103202008
airtel.com 202103202008
airtelbroadband.in 202103202008
aisllc.net 202103202008
akamai.com 202103202008202103202011
akqui.net 202103202008
algx.net 202103202008
aliant.net 202103202008202103202011
alida.it 202103202008
alltel.net 202008
altairnet.org 202103
altecom.net 202103202008
alter.net 202103202008202103202011
alternet.sk 202103202008
altiusbb.net 202103202008
amazon.com 202103202008202103202011
amcbb.net 202103202008202103202011
ameritech.net 202103202008
amis.net 202103202008
amres.ac.rs 202103202008
anexia-it.com 202103202008202103202011
anexia-it.net 202103202008202103202011
angolacables.ao 202103202008202103202011
anittel.net 202103202008
anycast.net 202103202008202103202011
aorta.net 202103202008202103202011
apa.net 202103202008
aperture-networks.net 202103202008202103202011
apid.com 202103202008
apple.com 202103202103
appnexus.net 202103202008
aps.lt 202103202008
aptus.co.tz 202103202008
armor.com 202008
arnes.si 202103202008
as11404.net 202103202008
as131675.net 202103202008
as13237.net 202103202008202103202011
as13335.net 202103202008202103202011
as136557.net 202103202008
as139989.net 202103
as140936.com 202011
as15108.com 202103202008
as15135.net 202103202008202103202011
as15932.net 202103202008
as16552.net 202103202008202103202011
as196922.net 202103
as197133.net 202103202008
as20055.net 202103202008
as200780.net 202103202011
as204980.net 202008202011
as20676.net 202103202008
as207960.net 202103202011
as209864.net 202103
as2116.net 202103202008202103202011
as24516.net 202103202008
as29075.net 202103202008
as29997.net 202103202008
as33353.net 202103202008202103202011
as33517.net 202103202008
as33835.net 202103202008
as36001.net 202103202008
as397444.net 202103202008202103202011
as41047.net 202103202011
as4150.net 202103202008
as42210.com 202103202008
as43531.net 202103202008
as46562.net 202103202008
as47869.net 202103202008
as49697.net 202103202011
as53597.net 202103202008202103202011
as58057.net 202103202011
as61081.net 202103202008
as61337.net 202103202008
as63182.net 202103202008
as64271.net 202008
as6453.net 202103202008202103202011
as7122.net 202103202008
as714.com 202011
as7195.net 202103202008
as7332.net 202103202008
as7850.net 202103202008
as8218.eu 202103202008202103202011
as8758.net 202103202008
asc.edu 202103202008
asianetcom.net 202103202008
ask4.net 202103202008
aso.ee 202103202008
astral.ro 202103202008
asvt.ru 202103202008202011
asympto.com 202008202011
atc.cc 202103202008
atlantech.net 202103202008202103202011
atlantic.net 202103202008
atlanticmetro.net 202103202008202103202011
att.net 202103202008202103202011
attens.net 202103202008
aussiebb.net 202103202008202103202011
avantel.ru 202103202008
avaya.com 202103202008
avonet.cz 202103202008
axione.fr 202103202008
axtel.net 202103202008
ayera.com 202103202008
ayera.net 202103202008
baffinaybaynetworks.com 202103202008
bahnhof.net 202103202008202103202011
bairuo.top 202103
bandwidth.com 202103202008
bboi.net 202103202008202103202011
beanfield.com 202103202008
beastnode.com 202103202008
belcenter.be 202103202008
belgacom.be 202103202008
bell.ca 202103202008
bellaliant.net 202103202008
bellmts.net 202103202008
bellsouth.net 202103202008
belpak.by 202103202008
beltelecom.by 202103202008
belwue.de 202103202008
belwue.net 202103202008
bestweb.net 202103202008
bezeqint.co.il 202103202008
bg.ac.rs 202103202008
bigleaf.net 202103202008
bigpipeinc.com 202103202008
binc.net 202103202008
bitgravity.com 202103202008
bix.bg 202008
blackfoot.com 202103202008
blackfoot.net 202103202008202103202011
blix.com 202103202008202103202011
blocka.net 202103
blokowe.pl 202103202008
bluegix.net 202103202008
borwood.net 202103202008
bredband2.net 202103202008
breisnet.com 202103202008
bresnan.net 202103202008
bright.net 202103202008
brightok.net 202103202008
broadbandsolutions.com.au 202103202008
broadviewnet.net 202103202008
broadwave.com 202103202008
bsnl.in 202103202008
bsonet.net 202103202008
bsonetwork.net 202103202008
bt-igs.net 202103202008
bt.net 202103202008202103202011
bulsat.com 202103202008
burgnet.cz 202008
cabledelancer.com 202103202008
cablelink.at 202103202008
cablelynx.com 202103202008
cablesurf.de 202103202008
calacoop.com.ar 202103
cantv.net 202103202008
capitalonline.net 202103202008
cavtel.com 202103202008
cbsig.net 202103202008
ccc.de 202103202008
ccnw.net.au 202103202008
cdn77.com 202103202008
celeritybroadband.com 202103202008
celerityinternet.com 202103202008
cenic.net 202103202008202103202011
centurytel.net 202103202008
cepix.pl 202103
cerfnet.com 202103202008
cfback.net 202103202011
charter.com 202103202008202103202011
chesco.net 202103202008
chobex.cz 202103202008
choiceone.net 202103202008
choopa.com 202008202103202011
choopa.net 202103202008202103202011
chtrse.com 202103202008
churchdns.com 202103202008
cica.es 202103202008
cinergycom.net 202103202008
cisco.com 202103202008202011
citylinkfiber.net 202103202008
citynet.net 202103202008
citynetwork.se 202103202008202103202011
cl.network 202103
claranet.co.uk 202103202008
clearfly.net 202103202008
clearnet.pw 202103202011
clearrate.com 202103202008
clouditalia.com 202103202008
cloudplus.com 202103202008
cnc.net 202103202008
cnet.com 202008
cniteam.com 202103202008
cnr.it 202103202008
coeficiente.net.mx 202103202008202103202011
cogentco.com 202103202008202103202011
colt.net 202103202008202103202011
com.bd 202103202008
com.np 202103202008
comcast.net 202103202008202103202011
comcastbusiness.net 202103202008
comindico.com.au 202103202008
common-net.net 202103
comporium.net 202103202008
computerline.net 202103202008202103202011
comstar-r.ru 202103202008
comstar.ru 202103202008
consolidated.net 202103202008202103202011
contactcom.net 202103202008
content-core.net 202103202008202103202011
conversantmedia.com 202103202103202011
coppernet.net 202103202008
coprosys.cz 202103202008
core-backbone.com 202103202008202103202011
corelink.io 202103202008
coreroute.ch 202103202011
coresite.com 202103202008
cornell.edu 202103202008
cot.net 202103202008
covad.com 202103202008
cprm.net 202103202011
csc.fi 202103
ctc.biz 202103202008
cv.net 202103202008202103202011
cw.net 202103202008202103202011
cwc.com 202103202008
cyber.net.pk 202103202008
cyberlink.ch 202103202008
cybermesa.com 202103202008
cyberplus.net.id 202103202008
cyberways.net 202103202008202103202011
cymru.com 202103
cyrusone.net 202103202008202103202011
d-express.net 202103202008
danaher.net 202103202008
dartmouth.edu 202103202008
datafoundry.net 202103202008
dataline.ua 202103202008
datapipe.net 202103202008
datatechuk.net 202103202008202103202011
datatrans.hu 202103202008
dataweb.net 202103202008
datonet.cz 202103202008
dctv.com.ph 202008
dditservices.com 202103202008
de-cix.net 202103202008202103202011
dedicated.com 202103202008
defense.net 202103202008
deg.net 202103202008
deltacom.net 202103202008
desec.io 202103202011
destiny.be 202103202008
dg-ao.de 202103202008202011
dialog-it.ru 202103202008
dialog.net.pl 202103202008
diatem.net 202103
digi.pl 202103202008
digicable.hu 202103202008
digicable.sk 202103202008
digicable6.hu 202103202011
digitalcable.ro 202103202008
digitalwest.net 202103202008202103202011
digsys.bg 202103202008
direct.net.in 202103202008
distributel.net 202103202008
djix.dj 202103202008
dluxlink.com 202008
dnaip.fi 202103202008202103202011
dnwx.de 202103202008
docler.net 202103202008
dren.net 202103202008202103202011
dropbox.com 202103202008
druknet.bt 202103202008202103202011
drukren.bt 202103202008202011
ds.network 202103202008202103202011
dtag.de 202103202008
dtssi.net 202103202008
duke.edu 202103202008
dvv.de 202103202011
e-utp.net 202103202011
e-xpedient.com 202103202008
easynet.net 202103202008
ebay.com 202103202008202103
ebox.ca 202103202008202103202011
ecix.net 202008202011
ecritel.net 202103202008
edgecast.com 202103202008
edgecastcdn.net 202103202008202103202011
edgeix.net.au 202103202008202103202011
eenet.ee 202103202008
ehs.sk 202103202008
elcat.kg 202103202008
elnkbiz.net 202103202008
embratel.net.br 202103202008202103202011
ena.net 202103202008202103202011
enaxim.net 202008
enta.net 202103202008202103202011
enter.it 202103202008
epoch.net 202103202008
equant.net 202103
equinix.com 202103202008202103202011
equinix.net 202103202008202103202011
ercbroadband.org 202103202008
ertelecom.ru 202103202008
esc.net.au 202103202008
ett.ua 202103202008202103202011
eunet.rs 202103202008
eunetip.net 202103202008202103202011
eunx.net 202103202008
evwi.net 202103202008
exatel.pl 202008
exoscale.net 202103202008202011
fastether.net 202103202103
fastly.net 202103202008202103202011
fasttrackcomm.net 202103202008
fb.com 202103202008
fccn.pt 202103202008
fdcservers.net 202103202008
fdn.com 202103202008
ff-e.net 202103
fibercast.net 202103202008
fibernet.hu 202103202008
fibertech.com 202103202008
fibertelecom.com 202103202008202103202011
fidelityaccess.net 202103202008
fidnet.com 202103202008
fiord.net 202103202008
fire2wire.net 202103202008
firenet.net.au 202103202008
firstlight.net 202103202008202103202011
flagtel.com 202103202008202103202011
flexential.net 202103202008202103202011
flrnet.org 202103202008
fluency.net.uk 202103202008202103202011
foothillsbroadband.com 202103202008
forthnet.gr 202103202008
fortive.net 202103202008
fourway.net 202103202008
foxtel.net.au 202103202008202103202011
fr.eu 202008202103202011
frcpt.net 202008
freebit.net 202103202008
freepoint.cz 202103202008
freifunk.net 202103202008202103202011
frontiernet.net 202103202008202103202011
frontiernetworks.ca 202103202008
fsmtc.fm 202103202008
funet.fi 202103202008202103202011
fuse.net 202103202008
g-fit.de 202103202008202103202011
g4.net 202103202008
garr.net 202103202008
gawex.pl 202103202008
gblx.net 202103202008
gcomm.com.au 202103202008
gda.pl 202103202008
gdinf.net 202103
geant.net 202103202008202103202011
geant2.net 202103202011
gelsen.net 202103202008
genesisadaptive.net 202103202008202103202011
giganet.ua 202103202008
gigapop.net 202103202008
gldn.net 202103202008
glexia.com 202103202011
gliwice.pl 202103202008
globalcapacity.com 202103202008
globaltransit.net 202103202008202011
gnc.am 202103202008
godaddy.com 202103202008202103202011
google.com 202103202008202103202011
googlefiber.net 202103202008
gotfusion.net 202103202008
grandecom.net 202103202008
grncld.com 202103202008
grnet.gr 202103202008
gslnetworks.com.au 202103202008
gtek.biz 202103202008
gtekcommunications.com 202103202008
gts.cz 202103202008
gts.ro 202103
gts.sk 202103202008
gtsi.sk 202103202008
gtt.net 202103202008202103202011
h5datacenters.com 202103202008
hawetelekom.pl 202103202008
hbone.hu 202103202008202011
hclscloud.net 202103202008202103202011
he.net 202103202008202103202011
hea.net 202103202008
heavenwire.net 202103202008
hetzner.com 202103202008202103202011
hhnet.cz 202103202008
hihm.no 202103202008
hivelocity.net 202103202008202103202011
hkix.net 202103202008202103202011
homelan.bg 202103202008
hon-us.net 202103202008
hopone.net 202103202008
host.net 202103202008
hosting.com 202103202008202103202011
hostus.us 202103202008202103202011
hotlink.com.br 202103202008
hoyosconsulting.com 202103202008
huntel.net 202103202008
i2basque.es 202103202008
i3d.net 202103202008202103202011
iaas.run 202103202008
iacd.net 202008
ibh.net 202103202008
ibm.com 202103202008
ibmcloud.com 202103202008
ideatek.net 202103
idola.net.id 202103202008202103202011
ielo.net 202103202008
ifog.ch 202103
igloo.to 202103202008202103202011
ii.net 202103202008202103202011
iinet.net.au 202103202008
iitsp.net 202103202008202103202011
ilk.de 202103202008
ilk.net 202103202008202011
illinois.net 202103202008
imos.net 202103202008
imp.ch 202103202008202011
impulse.net 202103202008
in-berlin.de 202011
incx.net 202103
indos.cz 202103202008
inetia.pl 202103202008
infortek.net.br 202103202008
init7.net 202103202008202103202011
inria.fr 202103202008
integra.net 202103202008
intelligentfiber.com 202103202008
intelsatone.net 202103202008
intercloud.network 202103202008
interlan.ro 202103202008
internap.com 202103202008
interoute.net 202103202008
intervia.ad.jp 202103202008202103202011
intervolve.com.au 202103202008
ip-max.net 202103202008
ip-only.net 202103202008202103202011
ip-plus.net 202103202008202103202011
ip4b.net 202103202008
ip6.fan 202103
ipartners.pl 202103202008
ipnet.cz 202103202008
ipng.ch 202103202103202011
ipnxtelecoms.com 202103202008
iptp.net 202103202008202103202011
iptransit.com 202103202008
irenala.edu.mg 202008
iristransport.net 202008
irtc.net 202103202008
is.co.mz 202103202008
is1net.net 202103202008
isc.org 202103202008202103202011
iskon.hr 202103202008
isnet.net 202103202008
isp-backbone.com 202103202008
ispnet.net 202103202008
itgate.net 202103202008
itself.cz 202103202008
ix.br 202103202008202103202011
ix.net.ua 202103202008
ixp.joburg 202008202103202011
ja.net 202103202008
jaguar-network.net 202103202008202103202011
jasnetworks.net 202103202008
jm-data.net 202103202008
jmpts.ch 202103202008
jwm2.net 202103202008
k12.sd.us 202103202008
kabelplus.at 202103202008
kaisanet.fi 202103202008
kanren.net 202103202008202103202011
kate-wing.si 202103202008
kddi.ne.jp 202103202008202103
kenet.or.ke 202103202008
kernel.ee 202103202008
knipp.de 202103202008202103202011
korbank.pl 202103202008
koren.kr 202103202008
koznet.hu 202103202008
kponet.fi 202103202008
ktk.de 202103202008
lambdanet.net 202103202008202103202011
launtel.net.au 202103
leaseweb.net 202103202008
level3.net 202103202008202103202011
levikom.ee 202103202008
lewtelnet.de 202103202008
lh.net 202103202008
liazo.net 202103202008
libertypr.net 202103202008
libssh.com 202103202011
lightower.net 202103202008
limewave.net 202103202008
lincon.net 202103202008
linode.com 202103202008
linxtelecom.net 202103202008202103202011
liquidtelecom.net 202103202008202103202011
liveair.net 202103
llnw.net 202103202008202103202011
logic.bm 202103202008
logonix.net 202103202008
lothaire.net 202103202008
lshiy.net 202008
lsnetworks.net 202103202008
ltt.ly 202103202008
lusfiber.net 202103202008
lwlcom.net 202103202008202103202011
m-online.net 202103202008202103202011
m247.com 202103202008202103202011
magicnet.hu 202008
magnet.ie 202103202008
maine.edu 202103202008
mainonecable.com 202008
malagasy.com 202103202008
mammothnetworks.com 202103202008
mandarin.it 202103202008
mao.org 202103202103202011
mbix.ca 202103202008202103202011
mbo.net 202103202008
mcleodusa.net 202103202008
mcom.fr 202103202008
mdnx.net 202103202008
medialine.ag 202103202103
mediaworksit.net 202103202008
meerfarbig.net 202103202008202103202011
megapath.net 202103202008
megaport.com 202103202008202103202011
megared.net.mx 202103202008
megasurf.co.za 202103202008
meghbelabroadband.in 202008
megs.co.za 202103202008
metrolink.it 202103202008
metronetinc.net 202103202008
mgcorp.co 202103202008
mich.net 202103202008202103
miramo.cz 202103202008
misaka.io 202103202008202103202011
mnet.bg 202103202008
mnsbone.net 202103202008
moeternet.com 202103202011
monash.edu 202103
monash.edu.au 202103202008
monsterbroadband.com 202103202008
more.net 202103202008
mpg.de 202103202008
mpowercom.net 202103202008
mpynet.fi 202103202008
mrnet.mb.ca 202103202008202103202011
msedge.net 202103202008
msk-ix.net 202103
msln.net 202103202008
msn.net 202103202008202103202011
mts-internet.net 202103202008
mts.net 202103202008
mts.ru 202103202008
multi-telekom.pl 202103202008
multimedia-bg.net 202103202008
myjec.net 202103
mzima.net 202103202008
n9uf.net 202103202008
nac.net 202103202008202103202011
nask.pl 202103202008
natm.ru 202103202008
navice.eu 202008202011
nazwa.pl 202103202008
ncable.com.au 202103202008
ncn.net 202103202008
ncren.net 202103202008
neda.af 202103202008
nerim.net 202103202008
nerocloud.io 202103
nessus.at 202103202008
net.bw 202103202008
net.lib.md.us 202103202008
net.np 202103202008
net.pg 202103202008
netbox.cz 202103202008
netcarrier.net 202103202008
netcore.services 202103202008
netfortris.net 202103202008
netins.net 202103202008
netrouting.net 202103202008
netuity.net 202103202008
netuse.net 202011
networklayer.com 202103202008202103202011
nevada.edu 202103202008
newnet.co.uk 202103202008
nexcess.net 202103202008
nexicom.net 202103202008
nextdimensioninc.com 202103202008
nextera.net 202103202008
nextlayer.net 202103202008202103202011
nextra.sk 202103202008
nflxvideo.net 202103202008202103202011
nfon.net 202103202008
nfoservers.com 202103202008
nih.gov 202103202008
niif.hu 202103202008
nitelusa.net 202103202008
njsl.org 202103202008
nl-ix.net 202103202008
nlayer.net 202008
nlsix.net 202103202011
nmsu.edu 202103202008
nodefour.net 202103202008
nomi.net.uk 202103202008202103202011
noor.net 202103202011
nordu.net 202103202008202103202011
noris.de 202103202008
nso.ru 202008
nsone.co 202103202008202103202011
nsp-transit.net 202103202008202103202011
nsw.gov.au 202008
ntl.com 202103202008
ntplx.net 202008
ntsfiber.com 202103202008
ntt.net 202103202008202103202011
nttpc.ne.jp 202103202008
nuspire.com 202103202008
nuvox.net 202103202008
nv.net.il 202103202008
nwestnet.net 202103202008
nwtel.org 202103202008
nwtelecom.ru 202103202008
nxedge.io 202103202008
nyinternet.net 202103202008
nysernet.net 202103202008202103202011
o3bnetworks.net 202103202008
oar.net 202103202008
obe.net 202103202008202103202011
ocn.ne.jp 202103202008
olivenet.es 202103202008
omniture.com 202103202008
on.net 202103202008
onbaseonline.com 202103202008
ondsl.gr 202103202008
oneandone.net 202103202008202103202011
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