Autonomous System
AS43700 UAB Consilium Optimum
ISPActiveLithuaniaRIPE
AS43700 (CO-AS) is an ISP network operated by UAB Consilium Optimum in Lithuania, registered with RIPE. It has 10 IPv4 prefixes with 17,408 addresses, which makes it the 7,464th largest of 82,200 active autonomous systems by IPv4 space.
IPv4 addresses17,408in 10 prefixes
IPv6 prefixes0none
Size rank#7,464of 82,200 active ASNs
Details
OrganizationUAB Consilium Optimum
AS nameCO-AS
Websiteorange.com
Country Lithuania (LT)
Network typeISP
RegistryRIPE
Abuse contactinfo@fastlink.lt
Registered2007-09-14
Last updated2026-06-10
IPv4 prefixes
10 prefixes · 17,408 addresses| Network | Addresses | First – last address |
|---|---|---|
| 78.158.0.0/19 | 8,192 | 78.158.0.0 – 78.158.31.255 |
| 14.102.4.0/22 | 1,024 | 14.102.4.0 – 14.102.7.255 |
| 31.172.224.0/22 | 1,024 | 31.172.224.0 – 31.172.227.255 |
| 45.84.244.0/22 | 1,024 | 45.84.244.0 – 45.84.247.255 |
| 95.215.140.0/22 | 1,024 | 95.215.140.0 – 95.215.143.255 |
| 185.246.240.0/22 | 1,024 | 185.246.240.0 – 185.246.243.255 |
| 185.252.108.0/22 | 1,024 | 185.252.108.0 – 185.252.111.255 |
| 185.252.204.0/22 | 1,024 | 185.252.204.0 – 185.252.207.255 |
| 185.254.44.0/22 | 1,024 | 185.254.44.0 – 185.254.47.255 |
| 216.25.0.0/22 | 1,024 | 216.25.0.0 – 216.25.3.255 |
78.158.0.0/19 14.102.4.0/22 31.172.224.0/22 45.84.244.0/22 95.215.140.0/22 185.246.240.0/22 185.252.108.0/22 185.252.204.0/22 185.254.44.0/22 216.25.0.0/22
IPv6 prefixes
No IPv6 prefixes.
Query AS43700 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=AS43700&key=YOUR_API_KEY"Any address in its prefixes resolves to AS43700, with or without a key:
curl "https://api.ipapi.is/?q=78.158.0.1"