156.238.240.0/21
🇺🇸CIDR
156.238.240.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇺🇸 United States
RIR
AFRINIC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.238.240.0/21 | AS401696COGNETCLOUD - cognetcloud INC | Valid | — | 6/1/2026 |
Covering Prefix
9 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 156.238.0.0/16 | AS35916MULTA-ASN1 - MULTACOM CORPORATION | No ROA | — | 6/1/2026 |
| 156.238.240.0/22 | AS401696COGNETCLOUD - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.244.0/22 | AS401696COGNETCLOUD - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.243.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.245.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.247.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.240.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.241.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
| 156.238.242.0/24 | AS401701COGNETCLOUD-2 - cognetcloud INC | Valid | — | 6/1/2026 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 156.238.242.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.240.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.241.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.243.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.244.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.245.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.247.0/24 | AS401701 | 🇭🇰HK | assigned |
| 156.238.246.0/24 | AS401701 | 🇭🇰HK | assigned |
Origin ASN
AS401696
COGNETCLOUD - cognetcloud INC
Geolocation
Country🇺🇸United StatesUS
Coordinates37.0902, -95.7129 ↗
API
Open https://api.ipctl.io/v1/prefix/156.238.240.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/156.238.240.0/21" | jq
External Links