104.244.40.0/21
🇺🇸IPv4ARINallocated RPKI Valid
CIDR
104.244.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
City
San Francisco (South of Market)
RIR
ARIN
Status
allocated
Allocated
12/8/2014
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not currently announced in BGP. See covering prefix below. | ||||
Covering Prefix
8 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 104.244.47.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.41.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.42.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.40.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.44.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.45.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.46.0/24 | AS13414TWITTER - Twitter Inc. | Valid | — | 5/31/2026 |
| 104.244.43.0/24 | AS54113FASTLY - Fastly, Inc. | Valid | — | 5/31/2026 |
Geolocation
Country🇺🇸United StatesUS
RegionCalifornia
CitySan Francisco (South of Market)
Coordinates37.7766, -122.4170 ↗
API
Open https://api.ipctl.io/v1/prefix/104.244.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/104.244.40.0/21" | jq
External Links