168.123.0.0/16
🇬🇺CIDR
168.123.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇬🇺 Guam
City
Mangilao
RIR
ARIN
Status
allocated
Allocated
4/19/1994
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 168.123.0.0/16 | AS395400UNIVERSITY-GUAM - UNIVERSITY OF GUAM | Valid | ARINRADB | 6/1/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 168.123.0.0/17 | AS395400UNIVERSITY-GUAM - UNIVERSITY OF GUAM | Valid | — | 6/1/2026 |
| 168.123.128.0/17 | AS395400UNIVERSITY-GUAM - UNIVERSITY OF GUAM | Valid | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/168.123.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/168.123.0.0/16" | jq
External Links