VeriSign · USC-ISI · Cogent · UMD · NASA-ARC · ISC · DOD-NIC · ARL · Autonomica · RIPE · ICANN · WIDE
See also: AS112 · presentations
The root hints file (named.cache, root.ca, root.hints, ...) can be obtained via IANA's page for popular links.
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| Server | Operator | Locations | IP Addresses | AS Number |
|---|---|---|---|---|
| A | VeriSign, Inc. | Sites: 2 Global: 2 Local: 0 Dulles, VA, US *; Ashburn, VA, US * |
IPv4: 198.41.0.4 IPv6: 2001:503:BA3E::2:30 | 19836 |
| B | Information Sciences Institute | Sites: 1 Global: 1 Local: 0 Marina Del Rey, CA, US * |
IPv4: 192.228.79.201 IPv6: 2001:478:65::53 | none |
| C | Cogent Communications | Sites: 6 Herndon, VA, US; Los Angeles, CA, US; New York, NY, US; Chicago, IL, US; Frankfurt, DE; Madrid, ES | IPv4: 192.33.4.12 | 2149 |
| D | University of Maryland | Sites: 1 Global: 1 Local: 0 College Park, MD, US | IPv4: 128.8.10.90 | 27 |
| E | NASA Ames Research Center | Sites: 1 Global: 1 Local: 0 Mountain View, CA, US | IPv4: 192.203.230.10 | 297 |
| F | Internet Systems Consortium, Inc. | Sites: 46 Global: 2 Local: 44 Ottawa, Canada *; Palo Alto, CA, US *; San Jose, CA, US; New York, NY, US *; San Francisco, CA, US *; Madrid, ES; Hong Kong, HK; Los Angeles, CA, US *; Rome, Italy; Auckland, NZ *; Sao Paulo, BR; Beijing, CN; Seoul, KR *; Moscow, RU; Taipei, TW; Dubai, AE; Paris, FR *; Singapore, SG; Brisbane, AU; Toronto, CA *; Monterrey, MX; Lisbon, PT *; Johannesburg, ZA; Tel Aviv, IL; Jakarta, ID; Munich, DE *; Osaka, JP *; Prague, CZ *; Amsterdam, NL *; Barcelona, ES *; Nairobi, KE; Chennai, IN; London, UK *; Santiago de Chile, CL; Dhaka, BD; Karachi, PK; Torino, IT; Chicago, IL, US *; Buenos Aires, AR; Caracas, VE; Oslo, NO; Panama, PA; Quito, EC; Kuala Lumpur, Malaysia *; Suva, Fiji; Cairo, Egypt |
IPv4: 192.5.5.241 IPv6: 2001:500:2f::f | 3557 |
| G | U.S. DOD Network Information Center | Sites: 1 Global: 1 Local: 0 Columbus, OH, US | IPv4: 192.112.36.4 | 568 |
| H | U.S. Army Research Lab | Sites: 1 Global: 1 Local: 0 Aberdeen Proving Ground, MD, US * |
IPv4: 128.63.2.53 IPv6: 2001:500:1::803f:235 | 13 |
| I | Autonomica | Sites: 31 Stockholm, SE; Helsinki, FI; Milan, IT; London, UK; Geneva, CH; Amsterdam, NL; Oslo, NO; Bangkok, TH; Hong Kong, HK; Brussels, BE; Frankfurt, DE; Ankara, TR; Bucharest, RO; Chicago, IL, US; Washington, DC, US; Tokyo, JP; Kuala Lumpur, MY; Palo Alto, CA, US; Jakarta, ID; Wellington, NZ; Johannesburg, ZA; Perth, AU; San Francisco, CA, US; Singapore, SG; Miami, FL, US; Ashburn, VA, US; Mumbai, IN; Beijing, CN; Manila, PH; Doha, QA; Colombo, LK | IPv4: 192.36.148.17 | 29216 |
| J | VeriSign, Inc. | Sites: 52 Dulles, VA, US (3 sites); Ashburn, VA, US *; Vienna, VA, US; Miami, FL, US; Atlanta, GA, US; Seattle, WA, US; Chicago, IL, US; New York, NY, US; Los Angeles, CA, US; Honolulu, HI, US; Mountain View, CA, US (2 sites); San Francisco, CA, US (2 sites) *; Dallas, TX, US; Amsterdam, NL; London, UK; Stockholm, SE (2 sites); Tokyo, JP; Seoul, KR; Beijing, CN; Singapore, SG; Dublin, IE; Kaunas, LT; Nairobi, KE; Montreal, CA; Quebec, CA; Sydney, AU; Cairo, EG; Warsaw, PL; Brasilia, BR; Sao Paulo, BR; Sofia, BG; Prague, CZ; Johannesburg, ZA; Toronto, CA; Buenos Aires, AR; Madrid, ES; Vienna, AT; Fribourg, CH; Hong Kong, HK; Turin, IT; Mumbai, IN; Oslo, NO; Brussels, BE; Paris, FR; Helsinki, FI; Frankfurt, DE; Riga, LV |
IPv4: 192.58.128.30 IPv6: 2001:503:C27::2:30 | 26415 |
| K | RIPE NCC | Sites: 17 Global: 5 Local: 12 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, FL, US *; Delhi, IN; Novosibirsk, RU |
IPv4: 193.0.14.129 IPv6: 2001:7fd::1 | 25152 |
| L | ICANN | Sites: 2 Global: 2 Local: 0 Los Angeles, CA, US *; Miami, FL, US * |
IPv4: 199.7.83.42 IPv6: 2001:500:3::42 | 20144 |
| M | WIDE Project | Sites: 6 Global: 5 Local: 1 Tokyo, JP (3 sites) *; Seoul, KR; Paris, FR *; San Francisco, CA, US * |
IPv4: 202.12.27.33 IPv6: 2001:dc3::35 | 7500 |
