Look up an IPv4 or IPv6 address to see every nameserver that has ever resolved to it,
and when. CIDR notation (e.g. 205.251.192.0/18) lists every stored IP in the subnet.
These addresses come from glue records in the zone files we import, not from
DNS lookups.
Addresses with the most nameservers currently resolving to them.
| IP | Version | Nameservers | First Seen |
|---|---|---|---|
| 188.40.92.90 | IPv4 | 232,540 | before tracking |
| 1.1.1.1 | IPv4 | 110,328 | before tracking |
| 172.247.11.194 | IPv4 | 80,536 | Nov 28, 2025 |
| 206.82.5.74 | IPv4 | 80,536 | Nov 28, 2025 |
| 38.181.51.4 | IPv4 | 80,536 | Dec 01, 2025 |
| 57.32.68.34 | IPv4 | 70,994 | Sep 02, 2020 |
| 159.89.214.161 | IPv4 | 68,827 | before tracking |
| 81.91.170.22 | IPv4 | 36,656 | before tracking |
| 46.4.13.97 | IPv4 | 21,540 | before tracking |
| 127.0.0.1 | IPv4 | 17,629 | before tracking |
| 210.130.239.64 | IPv4 | 16,142 | Feb 20, 2021 |
| 210.130.136.182 | IPv4 | 16,038 | Feb 20, 2021 |
| 144.172.64.31 | IPv4 | 15,696 | Oct 23, 2020 |
| 144.172.64.23 | IPv4 | 15,644 | before tracking |
| 109.234.110.254 | IPv4 | 14,403 | before tracking |
| 162.251.82.247 | IPv4 | 12,364 | Jun 23, 2015 |
| 162.251.82.124 | IPv4 | 12,290 | Jul 14, 2015 |
| 162.251.82.118 | IPv4 | 12,282 | Jun 23, 2015 |
| 162.251.82.246 | IPv4 | 12,214 | Jun 23, 2015 |
| 162.251.82.119 | IPv4 | 12,193 | Jun 23, 2015 |
| 162.251.82.120 | IPv4 | 12,154 | Jul 14, 2015 |
| 162.251.82.252 | IPv4 | 12,103 | Jul 14, 2015 |
| 162.251.82.251 | IPv4 | 12,099 | Jul 14, 2015 |
| 162.251.82.125 | IPv4 | 12,065 | Jul 14, 2015 |
| 162.251.82.253 | IPv4 | 12,050 | Jul 14, 2015 |
| 2001:240:bb81:8f00::1 | IPv6 | 16,142 | Feb 20, 2021 |
| 2001:240:bb81:8b00::281 | IPv6 | 16,038 | Feb 20, 2021 |
| 2001:240:bb81::28:41 | IPv6 | 4,733 | May 13, 2021 |
| 2001:240:bb81::28:51 | IPv6 | 3,772 | Feb 23, 2023 |
| 2001:240:bb81::28:34 | IPv6 | 1,779 | May 13, 2021 |
| 2001:240:bb81:8f00::19 | IPv6 | 1,552 | Feb 20, 2021 |
| 2001:240:bb81:8b00::293 | IPv6 | 1,501 | Feb 20, 2021 |
| 2001:240:bb81::28:40 | IPv6 | 1,266 | May 13, 2021 |
| 2001:240:bb81::28:33 | IPv6 | 1,218 | May 13, 2021 |
| 2001:240:bb81::28:32 | IPv6 | 1,216 | May 13, 2021 |
| 2001:240:bb81::28:45 | IPv6 | 1,212 | May 13, 2021 |
| 2001:240:bb81::28:43 | IPv6 | 1,201 | May 13, 2021 |
| 2001:240:bb81::28:39 | IPv6 | 1,200 | May 13, 2021 |
| 2001:240:bb81::28:49 | IPv6 | 1,196 | May 13, 2021 |
| 2001:240:bb81::28:36 | IPv6 | 1,195 | May 13, 2021 |
| 2001:240:bb81::28:37 | IPv6 | 1,194 | May 13, 2021 |
| 2001:240:bb81::28:47 | IPv6 | 1,192 | May 13, 2021 |
| 2001:240:bb81::28:42 | IPv6 | 1,192 | May 13, 2021 |
| 2001:240:bb81::28:44 | IPv6 | 1,190 | May 13, 2021 |
| 2001:240:bb81::28:35 | IPv6 | 1,190 | May 13, 2021 |
| 2001:240:bb81::28:46 | IPv6 | 1,182 | May 13, 2021 |
| 2001:240:bb81::28:48 | IPv6 | 1,174 | May 13, 2021 |
| 2001:240:bb81::28:38 | IPv6 | 1,144 | May 13, 2021 |
| 2402:4e00:111:fff::c | IPv6 | 1,009 | Aug 09, 2023 |
| 2402:4e00:1470:2::e | IPv6 | 1,008 | Sep 03, 2024 |