AS51557 is the autonomous system of Isimtescil Bilisim A.S.. It holds 7,680 IPv4 addresses in 11 prefixes, mainly in 
Türkiye.
By IPv4 addresses the network ranks #11,153 worldwide and #70 of 880 networks in Türkiye. That is 0.04% of the country’s IPv4 space.
The largest block is 93.89.224.0 to 93.89.239.255 with 4,096 addresses, geolocated to Istanbul.
- IPv4 addresses
- 7,680
- IPv4 prefixes
- 11
- World rank
- #11,153
- Country share
- 0.04%
Addresses by country
- Türkiye 100%
Largest blocks
- 93.89.224.0 Istanbul4,096
- 185.33.232.0 Ümraniye1,024
- 185.111.232.0 Istanbul768
- 91.93.151.0 Beyoğlu512
- 91.93.149.0 Beyoğlu256
- 91.93.146.0 Ümraniye256
- 84.51.38.0 Beyoğlu256
- 84.51.25.0 Ümraniye256
Networks of similar size
7,680
7,680
7,680
7,680
7,680
7,680
7,680IPv4 prefixes
Questions and answers
Who owns AS51557?
Autonomous system AS51557 is operated by Isimtescil Bilisim A.S..
How many IP addresses does AS51557 have?
The network holds 7,680 IPv4 addresses in 11 prefixes.
Which country is AS51557 in?
The main country is Türkiye.
How big is AS51557?
By IPv4 addresses it ranks #11,153 worldwide.
What is the largest address block of AS51557?
93.89.224.0 to 93.89.239.255, 4,096 addresses.