IPLIST.NET - 221.17.59.128.in-addr.arpa
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221.17.59.128.in-addr.arpa checked at 2025-10-09T07:48:46.933Z 54ms 16/16/16 100% R:10221.17.59.128.in-addr.arpa
| PTR | dhcp71.cs.columbia.edu | ||||||
| A | 128.59.17.221🇺🇸 Columbia University | ||||||
| PTR | dhcp71.cs.columbia.edu | ||||||
17.59.128.in-addr.arpa
| NS | ext-ns1.columbia.edu | ||||||
| NS | ext-ns2.columbia.edu | ||||||
| NS | apollo.cs.columbia.edu | ||||||
| NS | diana.cs.columbia.edu | ||||||
| NS | sundog.ee.columbia.edu | ||||||
Starts with same word
221.us |
221.one |
221.net |
221.es |
221.co |
221.de |
221.in-addr.arpa |
221.tel |
221.ca |
221.com |
221.ru |
221.la |
221.org |
221.co.uk |
221.money |
221.cz |
221.cn |
221.it |
221.life |
221.com.ua |
Starts similarily
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