NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY operates AS1887: 42 IPv4 prefixes covering 78,592 addresses, most of them in 
Poland.
By IPv4 addresses the network ranks #2,212 worldwide and #18 of 2,120 networks in Poland. That is 0.36% of the country’s IPv4 space.
The largest block is 148.81.13.0 to 148.81.115.255 with 26,368 addresses, geolocated to Warsaw (Wola).
- IPv4 addresses
- 78,592
- IPv4 prefixes
- 42
- World rank
- #2,212
- Country share
- 0.36%
- IPv6 ranges
- 1
Addresses by country
- Poland 100%
Largest blocks
- 148.81.13.0 Warsaw (Wola)26,368
- 148.81.128.0 Warsaw (Śródmieście)19,968
- 195.187.83.0 Warsaw (Wola)6,400
- 148.81.207.0 Łaziska5,888
- 195.187.109.0 Warsaw (Wola)4,864
- 148.81.231.0 Warsaw (Wola)3,840
- 195.187.64.0 Poznan3,072
- 148.81.0.0 Warsaw (Wola)2,816
Networks of similar size
78,592
78,592
78,592
78,336IPv4 prefixes
- 148.81.0.0/21
- 148.81.8.0/23
- 148.81.10.0/24
- 148.81.13.0/24
- 148.81.14.0/23
- 148.81.16.0/20
- 148.81.32.0/19
- 148.81.64.0/19
- 148.81.96.0/20
- 148.81.112.0/22
- 148.81.118.0/23
- 148.81.120.0/22
- 148.81.124.0/23
- 148.81.126.0/24
- 148.81.128.0/18
- 148.81.192.0/21
- 148.81.200.0/22
- 148.81.204.0/23
- 148.81.207.0/24
- 148.81.208.0/20
- 148.81.224.0/22
- 148.81.228.0/23
- 148.81.231.0/24
- 148.81.232.0/21
- 148.81.240.0/22
- 148.81.244.0/23
- 148.81.249.0/24
- 148.81.250.0/23
- 148.81.252.0/22
- 195.187.64.0/21
- 195.187.72.0/22
- 195.187.77.0/24
- 195.187.78.0/23
- 195.187.80.0/23
- 195.187.83.0/24
- 195.187.84.0/22
- 195.187.88.0/21
- 195.187.96.0/21
- 195.187.104.0/22
- 195.187.109.0/24
- 195.187.110.0/23
- 195.187.112.0/20
Questions and answers
Who owns AS1887?
Autonomous system AS1887 is operated by NAUKOWA I AKADEMICKA SIEC KOMPUTEROWA - PANSTWOWY INSTYTUT BADAWCZY.
How many IP addresses does AS1887 have?
The network holds 78,592 IPv4 addresses in 42 prefixes, plus 1 IPv6 ranges.
Which country is AS1887 in?
The main country is Poland.
How big is AS1887?
By IPv4 addresses it ranks #2,212 worldwide.
What is the largest address block of AS1887?
148.81.13.0 to 148.81.115.255, 26,368 addresses.