Root Servers
Root Servers Application
Application Information
The following page provides details on domains, networks, IPs, hosting services, and content delivery networks used by Root Servers.
Description
A root name server is a name server for the root zone of the Domain Name System (DNS) of the Internet.
| Category | Technology |
| Web Link | Root Servers - Home Page |
Network Intelligence
The network data shown here is also available via the Netify Data Feed API. We provide network intelligence to help deliver better digital experiences to end users and businesses.
Network Ranges
- 170.247.170.0/24
- 192.228.79.0/24
- 199.9.14.0/23
- 2001:500:84::/48
- 2001:500:200::/44
- and 1 more
Some applications are deployed across network blocks. Only networks that are dedicated to an application or platform are provided.
Core Networks
Applications are sometimes deployed on partner networks, parent company networks, or regional hosting providers. The following is a sample of Root Servers IP addresses deployed on this type of network.
| Network | PoP | Category | Location | IP | Shared |
|---|---|---|---|---|---|
ISC
|
Core Network | Technology | United States | 2001:4f8:8::8 | |
USC
|
Anycast | Career and Education | Global | 2801:1b8:10::b | |
University of Maryland
|
Anycast | Career and Education | Global | 2001:500:2d::d | |
|
USC
|
Core Network | Career and Education | United States | 2001:500:84::b | |
|
ISC
|
Anycast | Technology | Global | 2001:500:2f::f | |
ICANN
|
Anycast | Technology | Global | 2001:500:9f::53 | |
|
ICANN
|
Anycast | Technology | Global | 2001:500:9f::42 | |
NASA
|
Anycast | Government | Global | 2001:500:a8::e | |
|
ICANN
|
Anycast | Technology | Global | 2001:500:9f::80 | |
|
USC
|
Core Network | Career and Education | United States | 2001:500:204::1:0:92 | |
|
USC
|
Anycast | Career and Education | Global | 2001:500:200::b | |
Verisign
|
Core Network | Cybersecurity | United States | 2001:503:ba3e::2:30 | |
|
Verisign
|
Anycast | Cybersecurity | Global | 2001:503:c27::2:30 | |
RIPE
|
Core Network | Technology | Netherlands | 2001:67c:2e8:25::c100:b17 | |
|
RIPE
|
Anycast | Technology | Global | 2001:7fd::1 | |
Netnod
|
Anycast | Technology | Global | 2001:7fe::53 | |
U.S. Military
|
Core Network | Government | United States | 2001:500:12::d0d | |
|
U.S. Military
|
Anycast | Government | Global | 2001:500:1::53 | |
|
ISC
|
Core Network | Technology | United States | 149.20.8.8 | |
|
USC
|
Anycast | Career and Education | Global | 170.247.170.2 | |
|
ISC
|
Anycast | Technology | Global | 192.5.5.241 | |
|
Netnod
|
Core Network | Technology | Sweden | 192.36.148.17 | |
|
Verisign
|
Core Network | Cybersecurity | United States | 192.58.128.30 | |
|
U.S. Military
|
Core Network | Government | United States | 192.112.36.4 | |
|
NASA
|
Anycast | Government | Global | 192.203.230.10 | |
|
USC
|
Anycast | Career and Education | Global | 192.228.79.201 | |
|
RIPE
|
Core Network | Technology | Netherlands | 193.0.11.23 | |
|
RIPE
|
Anycast | Technology | Global | 193.0.14.129 | |
|
Verisign
|
Core Network | Cybersecurity | United States | 198.41.0.4 | |
|
U.S. Military
|
Anycast | Government | Global | 198.97.190.53 | |
|
ICANN
|
Anycast | Technology | Global | 199.7.83.42 | |
|
ICANN
|
Anycast | Technology | Global | 199.7.83.53 | |
|
ICANN
|
Anycast | Technology | Global | 199.7.83.80 | |
|
University of Maryland
|
Core Network | Career and Education | United States | 199.7.91.13 | |
|
USC
|
Anycast | Career and Education | Global | 199.9.14.201 |
Other Networks
There are tens of thousands of Internet network providers and we make an effort to track as many as we can, but we have less coverage for niche and local providers. The following is a sample of Root Servers IP addresses on this type of network.
| ASN Description | ASN | Route | Location | IP | Shared |
|---|---|---|---|---|---|
| Consorci de Serveis Univers... | AS49638 | 91.213.30.0/24 | Spain | 91.213.30.75 | |
| Consorci de Serveis Univers... | AS49638 | 91.213.30.0/24 | Spain | 91.213.30.76 | |
| Consorci de Serveis Univers... | AS49638 | 91.213.30.0/24 | Spain | 91.213.30.77 | |
| Consorci de Serveis Univers... | AS49638 | 91.213.30.0/24 | Spain | 91.213.30.78 | |
| LU-CIX Management GIE | AS210834 | 188.93.173.0/24 | Luxembourg | 188.93.173.226 | |
| and 10 more | |||||
Hosting
Hosting vendors like AWS and Microsoft Azure provide cloud-based computing and network resources to deliver applications. The hosting platforms used by Root Servers are summarized below by geographical points-of-presence (PoP).
Each PoP can host many IPs to deliver an application. A sample IP is provided.
| Cloud Hosts | # of IPs |
|---|---|
Cogent
|
2 |
| Hosting Platform | Network | PoP | Location | Sample IP | IPs |
|---|---|---|---|---|---|
|
Cogent
|
Cogent
|
Anycast | Global | 192.33.4.12 | 2 IPs |
Integration and Custom Solutions
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