IPLIST.NET - 21.247.42.128.in-addr.arpa
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21.247.42.128.in-addr.arpa checked at 2025-10-15T06:58:03.200Z 191ms 21/21/21 100% R:921.247.42.128.in-addr.arpa
| PTR | ibmgroup-5.rice.edu | ||||||
| A | 128.42.247.21🇺🇸 Rice University | ||||||
| PTR | ibmgroup-5.rice.edu | ||||||
| PTR | jgs-128-r-1.net.rice.edu | ||||||
| PTR | jgs-128-r-1.net.rice.edu | ||||||
| A | 128.42.247.21🇺🇸 Rice University | ||||||
| PTR | ibmgroup-5.rice.edu | ||||||
| PTR | jgs-128-r-1.net.rice.edu | ||||||
247.42.128.in-addr.arpa
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