128.91.251.53 — Philadelphia, Pennsylvania, 🇺🇸 USA · AS55 ASN-UPENN
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AS55
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Prefix 128.91.0.0/16
128.91.251.53
PTR
adns3.
nnn.upenn.edu
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adns3.
nnn.upenn.edu
A
2607:f470:1003::ad:3
A
128.91.251.53
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2607:f470:1003::ad:3
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128.91.0.0/16
66K IPs · AS55 ASN-UPENN
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AS55
ASN-UPENN autonomous system
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Philadelphia, Pennsylvania, 🇺🇸 USA
🇺🇸
ASN-UPENN
128.91.0.0/16
PennNet
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IP numbers used in conjunction
