209.31.0.0/16
🇺🇸CIDR
209.31.0.0/16
IP Version
IPv4
Addresses
65.5K
Mask
/16 (255.255.0.0)
Country
🇺🇸 United States
City
Albany
RIR
ARIN
Status
allocated
Allocated
2/10/1997
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.31.0.0/16 | AS2828XO-AS15 - Verizon Business | No ROA | — | 6/2/2026 |
Covering Prefix
3 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 209.31.176.0/22 | AS55106DATACATE-AS1 - Datacate Inc. | No ROA | — | 6/2/2026 |
| 209.31.146.0/24 | AS701UUNET - Verizon Business | No ROA | — | 6/2/2026 |
| 209.31.93.0/24 | AS16493ABERCROMBIE-FITCH - Abercrombie & Fitch | No ROA | — | 6/2/2026 |
Origin ASN
AS2828
XO-AS15 - Verizon Business
Geolocation
API
Open https://api.ipctl.io/v1/prefix/209.31.0.0/16Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/209.31.0.0/16" | jq
External Links