Optical Structural Network Ltd. operates AS39246: 20 IPv4 prefixes covering 12,800 addresses, most of them in 
Bulgaria.
By IPv4 addresses the network ranks #7,930 worldwide and #42 of 650 networks in Bulgaria. That is 0.30% of the country’s IPv4 space.
The largest block is 77.78.131.0 to 77.78.143.255 with 3,328 addresses, geolocated to Bozhurishte.
- IPv4 addresses
- 12,800
- IPv4 prefixes
- 20
- World rank
- #7,930
- Country share
- 0.30%
Addresses by country
- Bulgaria 100%
Largest blocks
- 77.78.131.0 Bozhurishte3,328
- 109.121.184.0 Sofia1,536
- 109.121.167.0 Sofia1,280
- 109.121.154.0 Pernik1,280
- 109.121.176.0 Sofia1,024
- 109.121.148.0 Sofia1,024
- 109.121.129.0 Bozhurishte1,024
- 109.121.164.0 Sofia512
Networks of similar size
12,800
12,800
12,800
12,800
12,800
12,800
12,800IPv4 prefixes
- 31.193.189.0/24
- 62.192.132.0/23
- 77.78.128.0/23
- 77.78.131.0/24
- 77.78.132.0/22
- 77.78.136.0/21
- 85.187.204.0/23
- 109.121.129.0/24
- 109.121.130.0/23
- 109.121.132.0/24
- 109.121.148.0/22
- 109.121.154.0/23
- 109.121.156.0/23
- 109.121.158.0/24
- 109.121.164.0/23
- 109.121.167.0/24
- 109.121.168.0/22
- 109.121.176.0/22
- 109.121.184.0/22
- 109.121.188.0/23
Questions and answers
Who owns AS39246?
Autonomous system AS39246 is operated by Optical Structural Network Ltd..
How many IP addresses does AS39246 have?
The network holds 12,800 IPv4 addresses in 20 prefixes.
Which country is AS39246 in?
The main country is Bulgaria.
How big is AS39246?
By IPv4 addresses it ranks #7,930 worldwide.
What is the largest address block of AS39246?
77.78.131.0 to 77.78.143.255, 3,328 addresses.