128.91.251.152 — Philadelphia, Pennsylvania, 🇺🇸 USA · AS55 ASN-UPENN
Search for
🌐
AS Numbers
🌐
AS Macros
Clear
🏠
AS Number Lookup
AS55
Prefixes of AS55
Prefix 2607:f470::/32
128.91.251.152
PTR
ntp-gfl-gps.
net.isc.upenn.edu
A record for
ntp-gfl-gps.
net.isc.upenn.edu
A
2607:f470:1003::1:16
A
128.91.251.152
IP numbers used in conjunction
100%
2607:f470:1003::1:16
🛡️
Is this IP blacklisted?
Check against 50+ spam databases
→
🌐
128.91.0.0/16
66K IPs · AS55 ASN-UPENN
→
🔧
AS55
ASN-UPENN autonomous system
→
Philadelphia, Pennsylvania, 🇺🇸 USA
🇺🇸
ASN-UPENN
128.91.0.0/16
PennNet
Courtesy of
PTR
A record for
IP numbers used in conjunction
