156.17.0.0/16
🇵🇱CIDR
156.17.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇵🇱 Poland
City
Wroclaw (Śródmieście)
RIR
RIPENCC
Status
assigned
Allocated
11/1/1991
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.17.0.0/16 | AS8970WASK Wroclaw Centre of Networking and Supercomputing | Valid | RIPE | 5/31/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.17.201.0/24 | AS206632UMWD-AS Urzad Marszalkowski Wojewodztwa Dolnoslaskiego | Valid | — | 5/31/2026 |
| 156.17.204.0/24 | AS209619AS_4WSK 4 Military Clinical Hospital with Polyclinic Independent Public Health Care Facility in Wroclaw | Valid | — | 5/31/2026 |
| 156.17.215.0/24 | AS210573L-PORT Research Network Lukasiewicz - PORT Polish Center for Technology Development | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 156.17.0.0/16 | AS8970 | /16 | ripe |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS8970 | RIPE | AS8970-MNT | 9/1/2006 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 156.17.246.0/24 | 🇵🇱PL | assigned | |
| 156.17.204.0/24 | AS209619 | 🇵🇱PL | assigned |
| 156.17.201.0/24 | AS206632 | 🇵🇱PL | assigned |
| 156.17.215.0/24 | AS210573 | 🇵🇱PL | assigned |
| 156.17.75.7/32 | 🇵🇱PL | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/156.17.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.17.0.0/16" | jq
External Links