205.173.8.0/21
🇺🇸CIDR
205.173.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
Albany
RIR
ARIN
Status
allocated
Allocated
3/20/1995
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.8.0/21 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | RADB | 5/31/2026 |
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 205.173.8.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.9.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.10.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.11.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.12.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.13.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.14.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
| 205.173.15.0/24 | AS17270NYSTRS-AS1 - New York State Teachers' Retirement System | No ROA | — | 5/31/2026 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS17270 | RADB | MAINT-AS17270 | 11/13/2023 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/205.173.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/205.173.8.0/21" | jq
External Links