WWW.ROBTEX.COM - 138.4.28.1
Search for IP or hostnames:
138.4.28.1 checked at 2025-10-26T05:37:08.690Z 290ms 37/37/37 100% R:13PTRs and A-records
| PTR | A | router.lab.dit.upm.es | |
| A | 2001:720:41c:2226:9aee:cbff:feca:bdfe | ||
| A | 138.4.18.1 | ||
| A | 138.4.26.2 | ||
| A | 138.4.27.1 | ||
| A | 138.4.28.1 | ||
| A | 138.4.30.1 | ||
| PTR | A | router-lab3.lab.dit.upm.es | |
| A | 138.4.28.1 | ||
IP numbers used in conjunction
RBLS
138.4.0.0/16
AS766
shared on network route
shared on AS number
dbq
