31.170.40.0/21 - BGP Prefix
IPv4RIPE NCCallocatedNo ROA
CIDR
31.170.40.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
๐ฎ๐น Italy
City
Rome
RIR
RIPE NCC
Status
allocated
Allocated
2011-03-30
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
Swipe sideways to see all columns โ
| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| This prefix is not announced as a whole. Parts of it are announced as more-specific prefixes, see below. | ||||
More-Specific Announcements
1 more-specific announcement| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 31.170.42.0/23 | AS8968 BT-Italia RETELIT-X S.R.L. | No ROA | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 31.170.40.0/23 | ๐ฎ๐นIT | assigned | |
| 31.170.42.4/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.8/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.12/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.16/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.24/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.40/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.48/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.56/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.60/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.64/26 | ๐ฎ๐นIT | assigned | |
| 31.170.42.128/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.138/32 | ๐ฎ๐นIT | assigned | |
| 31.170.42.140/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.144/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.148/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.152/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.160/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.168/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.172/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.192/28 | ๐ฎ๐นIT | assigned | |
| 31.170.42.208/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.216/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.220/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.224/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.230/32 | ๐ฎ๐นIT | assigned | |
| 31.170.42.231/32 | ๐ฎ๐นIT | assigned | |
| 31.170.42.232/29 | ๐ฎ๐นIT | assigned | |
| 31.170.42.240/30 | ๐ฎ๐นIT | assigned | |
| 31.170.42.248/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.0/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.4/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.8/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.12/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.36/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.48/29 | ๐ฎ๐นIT | assigned | |
| 31.170.43.64/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.68/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.80/29 | ๐ฎ๐นIT | assigned | |
| 31.170.43.88/29 | ๐ฎ๐นIT | assigned | |
| 31.170.43.96/29 | ๐ฎ๐นIT | assigned | |
| 31.170.43.104/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.112/28 | ๐ฎ๐นIT | assigned | |
| 31.170.43.128/29 | ๐ฎ๐นIT | assigned | |
| 31.170.43.136/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.140/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.144/30 | ๐ฎ๐นIT | assigned | |
| 31.170.43.152/29 | ๐ฎ๐นIT | assigned | |
| 31.170.44.0/23 | ๐ฎ๐นIT | assigned | |
| 31.170.46.0/23 | ๐ฎ๐นIT | assigned |
Transfer History
Registry transfers of 31.170.40.0/21, blocks inside it, or blocks containing it.
- 31.170.40.0/21Transfer ยท
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 31.170.40.0/21 | BT Italia S.p.A. | RETELIT-X S.R.L. | Transfer |
Geolocation
Learn more
- RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
- RPKI validatorCheck ROA coverage for any prefix or ASN
- What is BGP?How prefixes are announced and routed
- More-specific prefixesGlossary: covering and more-specific routes
- IPv4 transfers in the RIPE NCC regionWho bought and sold address space recently
API
Open https://api.ipctl.io/v1/prefix/31.170.40.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/31.170.40.0/21" | jq
External Links