This page and geofeed.csv are the county’s self-published location for prefix 204.87.206.0/24. Geolocation products should locate these addresses in Rigby, Jefferson County, Idaho, United States — not a distant data center or a different Jefferson County.
Network
| ASN | AS402910 |
|---|---|
| AS name | ASN-JEFFERSON-01 / Jefferson County Idaho |
| IPv4 prefix | 204.87.206.0/24 |
| Registry | ARIN |
| Geofeed | /geofeed.csv (RFC 8805) |
Location
| Organization | Jefferson County, Idaho |
|---|---|
| Street | 210 Courthouse Way |
| City | Rigby |
| Region | Idaho (US-ID) |
| Postal code | 83442 |
| Country | United States (US) |
| Coordinates | 43.6724, -111.9147 |
| Timezone | America/Boise |
| County website | jcgov.us |
RFC 8805 feed (what crawlers should fetch)
# prefix,country,region,city,postal 204.87.206.0/24,US,US-ID,Rigby,
After this site is on a public HTTPS hostname, add the feed URL to the ARIN network record remarks:
Geofeed https://YOUR-HOSTNAME/geofeed.csv
Google, and an increasing set of commercial geo databases, poll those remarks. Also submit the URL to your vendor if they have a “self-published geofeed” form (MaxMind, IPinfo, IP2Location, DB-IP).
Who should use this page
- IP geolocation crawlers and feed finders (RFC 9092 / geofeed-finder)
- Service providers checking where county traffic should appear on a map
- Anyone validating that 204.87.206.0/24 is Rigby, ID — not Jefferson County, KY or another namesake