37.156.8.0/21
🇮🇷CIDR
37.156.8.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇮🇷 Iran
City
Tehrān
RIR
RIPENCC
Status
allocated
Allocated
3/13/2012
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.156.8.0/21 | AS43754ASIATECH Asiatech Data Transmission company | Valid | RADBRIPE | 5/31/2026 |
Covering Prefix
2 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.156.8.0/22 | AS43754ASIATECH Asiatech Data Transmission company | Valid | — | 5/31/2026 |
| 37.156.12.0/22 | AS43754ASIATECH Asiatech Data Transmission company | Valid | — | 5/31/2026 |
RPKI ROAs
| Prefix | Origin | Max Length | Trust Anchor |
|---|---|---|---|
| 37.156.8.0/21 | AS43754 | /32 | ripe |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.156.14.0/24 | 🇮🇷IR | assigned | |
| 37.156.15.0/24 | 🇮🇷IR | assigned | |
| 37.156.11.0/24 | 🇮🇷IR | assigned | |
| 37.156.13.0/24 | 🇮🇷IR | assigned | |
| 37.156.10.0/24 | 🇮🇷IR | assigned | |
| 37.156.12.0/24 | 🇮🇷IR | assigned | |
| 37.156.9.0/24 | 🇮🇷IR | assigned | |
| 37.156.8.0/24 | 🇮🇷IR | assigned |
Geolocation
Abuse Contact
API
Open https://api.ipctl.io/v1/prefix/37.156.8.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.156.8.0/21" | jq
External Links