81.31.176.0/20
🇮🇷IPv4RIPENCCallocatedNo ROA
CIDR
81.31.176.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇮🇷 Iran
City
Tehran
RIR
RIPENCC
Status
allocated
Allocated
12/8/2003
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
4 less-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 81.31.160.0/19 | AS12660SHARIF-EDU-NET Sharif University Of Technology | No ROA | — | 6/1/2026 |
| 81.31.176.0/22 | AS12660SHARIF-EDU-NET Sharif University Of Technology | No ROA | — | 6/1/2026 |
| 81.31.180.0/22 | AS12660SHARIF-EDU-NET Sharif University Of Technology | No ROA | — | 6/1/2026 |
| 81.31.186.0/24 | AS12660SHARIF-EDU-NET Sharif University Of Technology | No ROA | — | 6/1/2026 |
Geolocation
API
Open https://api.ipctl.io/v1/prefix/81.31.176.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/81.31.176.0/20" | jq
External Links