Autonomous System
AS5387 Computational technologies - consulting LLC
ISPActiveRussiaRIPE
AS5387 (NSC) is an ISP network operated by Computational technologies - consulting LLC in Russia, registered with RIPE. It has 19 IPv4 prefixes with 17,920 addresses and 1 IPv6 prefix, which makes it the 7,278th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses17,920in 19 prefixes
IPv6 prefixes1≈ 7.9 × 10²⁸ addresses
Size rank#7,278of 82,200 active ASNs
Details
OrganizationComputational technologies - consulting LLC
AS nameNSC
Websitect-consulting.ru
Country Russia (RU)
Network typeISP
RegistryRIPE
Abuse contactabuse@ct-consulting.ru
Registered2002-01-23
Last updated2025-07-01
IPv4 prefixes
19 prefixes · 17,920 addresses| Network | Addresses | First – last address |
|---|---|---|
| 84.237.64.0/20 | 4,096 | 84.237.64.0 – 84.237.79.255 |
| 84.237.80.0/20 | 4,096 | 84.237.80.0 – 84.237.95.255 |
| 84.237.104.0/21 | 2,048 | 84.237.104.0 – 84.237.111.255 |
| 84.237.40.0/22 | 1,024 | 84.237.40.0 – 84.237.43.255 |
| 84.237.112.0/22 | 1,024 | 84.237.112.0 – 84.237.115.255 |
| 84.237.116.0/22 | 1,024 | 84.237.116.0 – 84.237.119.255 |
| 217.79.60.0/22 | 1,024 | 217.79.60.0 – 217.79.63.255 |
| 84.237.122.0/23 | 512 | 84.237.122.0 – 84.237.123.255 |
| 217.79.58.0/23 | 512 | 217.79.58.0 – 217.79.59.255 |
| 84.237.32.0/24 | 256 | 84.237.32.0 – 84.237.32.255 |
| 84.237.33.0/24 | 256 | 84.237.33.0 – 84.237.33.255 |
| 84.237.62.0/24 | 256 | 84.237.62.0 – 84.237.62.255 |
| 84.237.63.0/24 | 256 | 84.237.63.0 – 84.237.63.255 |
| 84.237.68.0/24 | 256 | 84.237.68.0 – 84.237.68.255 |
| 84.237.72.0/24 | 256 | 84.237.72.0 – 84.237.72.255 |
| 84.237.75.0/24 | 256 | 84.237.75.0 – 84.237.75.255 |
| 84.237.78.0/24 | 256 | 84.237.78.0 – 84.237.78.255 |
| 84.237.123.0/24 | 256 | 84.237.123.0 – 84.237.123.255 |
| 217.79.60.0/24 | 256 | 217.79.60.0 – 217.79.60.255 |
84.237.64.0/20 84.237.80.0/20 84.237.104.0/21 84.237.40.0/22 84.237.112.0/22 84.237.116.0/22 217.79.60.0/22 84.237.122.0/23 217.79.58.0/23 84.237.32.0/24 84.237.33.0/24 84.237.62.0/24 84.237.63.0/24 84.237.68.0/24 84.237.72.0/24 84.237.75.0/24 84.237.78.0/24 84.237.123.0/24 217.79.60.0/24
IPv6 prefixes
1 prefix- 2a00:bf00::/32
2a00:bf00::/32
Query AS5387 with the API
The ASN lookup returns everything on this page as JSON, including every prefix. ASN lookups need an API key: a free account comes with 1,000 requests a day.
curl "https://api.ipapi.is/?q=AS5387&key=YOUR_API_KEY"Any address in its prefixes resolves to AS5387, with or without a key:
curl "https://api.ipapi.is/?q=84.237.64.1"