147.157.2.1 — AS2907 SINET-AS
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AS2907
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Prefix 147.157.0.0/17
147.157.2.1
PTR
ns2.
k.tsukuba-tech.ac.jp
A record for
ns2.
k.tsukuba-tech.ac.jp
A
147.157.2.1
Previously A record for
maila.
k.tsukuba-tech.ac.jp
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147.157.0.0/17
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SINET-AS
147.157.0.0/17
Tsukuba College of Technology
PTR
A record for
Previously A record for