Tier1

AT&T - AS7018 (att.com - 144.160.155.43)

CenturyLink - AS209 (ddc-gtm-listener.centurylink.com - 155.70.32.77)

Cogent - AS174 (cogentco.com - 38.100.128.10)

Deutsche Telekom - AS3320 (pns.dtag.de 194.25.0.125)

GTT - AS3257 (ns1.gtt.net -208.77.65.118)

HE - AS6939 (he.net - 216.218.186.2)

KPN - AS286 (as286.net 193.141.41.39)

Level3 - AS3356 (ns1.l3.net - 209.244.0.1)

Liberty Global - AS6830 (upc.ch - 213.46.237.24)

NTT - AS2914 (auth21.ns.gin.ntt.net - 129.250.35.230)

PCCW - AS3491 (dns4.pccw.com - 203.86.164.6)

Sprint - AS1239 (ns1-auth.sprintlink.net - 206.228.179.10)

Tata - AS6453 (www.tatacommunications.com - 64.185.181.238)

Sparkle - AS6762 (dns.seabone.net - 195.22.205.163)

Telxius - AS12956 (ns1.telefonica-data.com - 213.0.43.37)

Telia - AS1299 (dns1.telia.com - 81.228.11.67)

Verizon - AS701 (ns1.verizon.net - 71.252.0.71)

Cable & Wireless - AS1273 (support.cw.com - 141.1.1.56)

Zayo - AS6461 (ns.above.net - 207.126.96.162)