IPLIST.NET - 222.21.129.in-addr.arpa
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222.21.129.in-addr.arpa checked at 2025-10-10T01:31:46.975Z 262ms 57/57/57 100% R:11222.21.129.in-addr.arpa
| NS | accuvax.northwestern.edu | ||||||
| A | 2620:10d:2010:6011::100 🇺🇸 Northwestern University | ||||||
| A | 129.105.49.100🇺🇸 Northwestern University | ||||||
| PTR | accuvax.northwestern.edu | ||||||
| NS | ns1a.rit.edu | ||||||
| A | 2620:8d:8000:0:aba:ca:daba:ee 🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns1a.rit.edu | ||||||
| A | 129.21.1.82🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns1a.rit.edu | ||||||
| NS | ns2a.rit.edu | ||||||
| A | 2620:8d:8000:0:aba:ca:daba:ef 🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns2a.rit.edu | ||||||
| A | 129.21.1.92🇺🇸 Rochester Institute of Technology | ||||||
| PTR | ns2a.rit.edu | ||||||
21.129.in-addr.arpa
| NS | accuvax.northwestern.edu | ||||||
| NS | ns1a.rit.edu | ||||||
| NS | ns2a.rit.edu | ||||||
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AI analysis
222.21.129.in-addr.arpa is a parent of 34.222.21.129.in-addr.arpa and 254.222.21.129.in-addr.arpa.
The delegation for 222.21.129.in-addr.arpa is handled by three name servers: accuvax.northwestern.edu, ns1a.rit.edu and ns2a.rit.edu.
222.21.129.in-addr.arpa at least partially shares name servers with other domains, for instance transportation.northwestern.edu, ssw.buffalo.edu, 179.21.129.in-addr.arpa, 16.105.129.in-addr.arpa and university.northwestern.edu.
These name servers are often used together with cicada.northwestern.edu, dns01.buffalo.edu, dns02.buffalo.edu, dns03.buffalo.edu and dns04.buffalo.edu.
Two IP numbers per host:
accuvax.northwestern.edu points to 2620:10d:2010:6011::100 and 129.105.49.100.
ns1a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ee and 129.21.1.82.
ns2a.rit.edu points to 2620:8d:8000:0:aba:ca:daba:ef and 129.21.1.92.