192.31.21.99 — AS195 UNSPECIFIED

PTR

heinlein.sdsc.edu

A record for

`heinlein.sdsc.edu`
	A	192.31.21.99

🛡️Is this IP blacklisted?Check against 50+ spam databases→🌐192.31.21.0/24256 IPs · AS195 UNSPECIFIED→🔧AS195UNSPECIFIED autonomous system→^{🇺🇸 UNSPECIFIED192.31.21.0/24 San Diego Supercomputer Center PO Box 85608 San Diego CA 92138, USA}