37.230.144.0/21 - LEADERTELECOMBV LeaderTelecom B.V (AS58272)
CIDR
37.230.144.0/21
IP Version
IPv4
Addresses
2K
Mask
/21 (255.255.248.0)
Country
🇷🇺 Russia
City
St Petersburg
RIR
RIPE NCC
Status
allocated
Allocated
2012-04-11
Announced BGP Routes
0 of 0 routesRPKI:
IRR:
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| 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
8 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 37.230.144.0/24 | AS203725 iac-spb-as ST. PETERSBURG STATE PUBLIC INSTITUTION "ST. PETERSBURG INFORMATION AND ANALYTICAL CENTER" | No ROA | - | 2026-10-12 |
| 37.230.145.0/24 | AS58272 LEADERTELECOMBV-AS LeaderTelecom B.V. | Valid | - | 2026-10-12 |
| 37.230.146.0/24 | AS197535 Svyazenergo-AS LLC "Svyazenergo" | No ROA | - | 2026-10-12 |
| 37.230.147.0/24 | AS57652 ZELTELECOM-AS OOO "Zeltelecom" | No ROA | - | 2026-10-12 |
| 37.230.148.0/24 | AS210240 NTC-AS New Communication Technologies LLC | Valid | - | 2026-10-12 |
| 37.230.149.0/24 | AS62268 E-Moskva-AS Joint Stock Company "Electronic Moscow" | No ROA | - | 2026-10-12 |
| 37.230.150.0/24 | AS60872 KTI-AS KTI ltd | No ROA | - | 2026-10-12 |
| 37.230.151.0/24 | AS58272 LEADERTELECOMBV-AS LeaderTelecom B.V. | Valid | - | 2026-10-12 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 37.230.144.0/24 | AS203725 | 🇷🇺RU | assigned |
| 37.230.146.0/24 | AS197535 | 🇷🇺RU | assigned |
| 37.230.147.0/24 | AS57652 | 🇷🇺RU | assigned |
| 37.230.148.0/24 | AS210240 | 🇷🇺RU | assigned |
| 37.230.149.0/24 | AS62268 | 🇷🇺RU | assigned |
| 37.230.150.0/24 | AS60872 | 🇷🇺RU | assigned |
Transfer History
Registry transfers of 37.230.144.0/21, blocks inside it, or blocks containing it.
- 37.230.144.0/20Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 37.230.144.0/20 | LeaderTelecom Ltd. | LeaderTelecom B.V. | Transfer |
Related Prefixes
More prefixes of AS58272
All prefixes of AS58272 →Geolocation
Abuse Contact
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/37.230.144.0/21Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/37.230.144.0/21" | jq
External Links