The DNS root servers[edit]
| Server | Operator | Locations | IP Addr | Home ASN |
|---|---|---|---|---|
| A | VeriSign Naming and Directory Services | Dulles VA | 198.41.0.4 | 19836 |
| B | Information Sciences Institute | Marina Del Rey CA | IPv4: 192.228.79.201 IPv6: 2001:478:65::53 | |
| C | Cogent Communications | Herndon VA; Los Angeles; New York City; Chicago | 192.33.4.12 | 2149 |
| D | University of Maryland | College Park MD | 128.8.10.90 | 27 |
| E | NASA Ames Research Center | Mountain View CA,USA | 192.203.230.10 | 297 |
| F | Internet Systems Consortium, Inc. | 37 sites:Ottawa; Palo Alto; San Jose CA;
New York City; San Francisco; Madrid; Hong Kong; Los Angeles; Rome; Auckland; Sao Paulo; Beijing; Seoul; Moscow; Taipei; Dubai; Paris; Singapore; Brisbane; Toronto; Monterrey; Lisbon; Johannesburg; Tel Aviv; Jakarta; Munich; Osaka; Prague; Amsterdam; Barcelona; Nairobi; Chennai; London; Santiago de Chile; Dhaka;Karachi;Torino |
IPv4: 192.5.5.241 IPv6: 2001:500::1035 | 3557 |
| G | U.S. DOD Network Information Center | Vienna VA,USA | 192.112.36.4 | 568 |
| H | U.S. Army Research Lab | Aberdeen MD,USA | IPv4: 128.63.2.53 IPv6: 2001:500:1::803f:235 | 13 |
| I | Autonomica/NORDUnet | 29 sites:
Stockholm; Helsinki; Milan; London; Geneva; Amsterdam; Oslo; Bangkok; Hong Kong; Brussels; Frankfurt; Ankara; Bucharest; Chicago; Washington DC; Tokyo; Kuala Lumpur; Palo Alto; Jakarta; Wellington; Johannesburg; Perth; San Francisco; New York; Singapore; Miami; Ashburn (US); Mumbai; Beijing |
192.36.148.17 | 29216 |
| J | VeriSign Naming and Directory Services | Dulles VA (4 locations); Mountain View CA;
Seattle WA; Atlanta GA; Los Angeles CA; Miami FL; Sunnyvale CA; Amsterdam; Stockholm; London; Tokyo; Seoul; Singapore; Sydney |
192.58.128.30 | 26415 |
| K | Reseaux IP Europeens - Network Coordination Centre | London (UK); Amsterdam (NL);
Frankfurt (DE); Athens (GR); Doha (QA); Milan (IT); Reykjavik (IS); Helsinki (FI); Geneva (CH); Poznan (PL); Budapest (HU); Abu Dhabi (AE); Tokyo (JP); Brisbane (AU); Miami (US); Delhi (IN); Novosibirsk (RU) |
IPv4: 193.0.14.129 IPv6: 2001:7fd::1 | 25152 |
| L | Internet Corporation for Assigned Names and Numbers | Los Angeles,CA,USA | 198.32.64.12 | 20144 |
| M | WIDE Project | Tokyo; Seoul (KR); Paris (FR) | 202.12.27.33 IPv6: 2001:dc3::35 | 7500 |
Related: DNS