84.237.80.0/20 - NSC "Computational Technologies Consulting" (AS5387)
CIDR
84.237.80.0/20
IP Version
IPv4
Addresses
4K
Mask
/20 (255.255.240.0)
Country
🇷🇺 Russia
City
Novosibirsk
RIR
RIPE NCC
Status
announced
Allocated
-
Announced BGP Routes
1 of 1 routeRPKI:
IRR:
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| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 84.237.80.0/20 | AS5387 NSC "Computational technologies - consulting" LLC | No ROA | RIPE | 2026-10-11 |
More-Specific Announcements
2 more-specific announcements| Prefix | Origin AS | RPKI | IRR | Last Seen |
|---|---|---|---|---|
| 84.237.90.0/24 | AS25549 AVANTEL-AS JSC "ER-Telecom Holding" | No ROA | - | 2026-10-11 |
| 84.237.91.0/24 | AS25549 AVANTEL-AS JSC "ER-Telecom Holding" | No ROA | - | 2026-10-11 |
IRR Route Objects
| Origin | Registry | Maintainer | Modified |
|---|---|---|---|
| AS5387 | RIPE | CT-C-MNT | 2025-06-28 |
More Specific Prefixes
| Prefix | AS | Country | Status |
|---|---|---|---|
| 84.237.80.0/24 | 🇷🇺RU | assigned | |
| 84.237.81.0/24 | 🇷🇺RU | assigned | |
| 84.237.82.0/24 | 🇷🇺RU | assigned | |
| 84.237.83.0/24 | 🇷🇺RU | assigned | |
| 84.237.85.0/24 | 🇷🇺RU | assigned | |
| 84.237.86.0/23 | 🇷🇺RU | assigned | |
| 84.237.88.0/24 | 🇷🇺RU | assigned | |
| 84.237.89.0/24 | 🇷🇺RU | assigned | |
| 84.237.90.0/24 | AS25549 | 🇷🇺RU | assigned |
| 84.237.91.0/24 | AS25549 | 🇷🇺RU | assigned |
| 84.237.92.0/24 | 🇷🇺RU | assigned | |
| 84.237.93.0/24 | 🇷🇺RU | assigned | |
| 84.237.95.0/24 | 🇷🇺RU | assigned |
Transfer History
Registry transfers of 84.237.80.0/20, blocks inside it, or blocks containing it.
- 84.237.0.0/17Transfer ·
| Date | Resource | From | To | Type |
|---|---|---|---|---|
| 84.237.0.0/17 | Federal Research Center for Information and Computational Technologies | "Computational technologies - consulting" LLC | Transfer |
Related Prefixes
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/84.237.80.0/20Returns prefix allocation, BGP routes, and more-specific subnets.
curl -s "https://api.ipctl.io/v1/prefix/84.237.80.0/20" | jq
External Links