AS17841 is the autonomous system of NATIONAL INFORMATION RESOURCES SERVICE. It holds 224,768 IPv4 addresses in 86 prefixes, mainly in 
South Korea.
By IPv4 addresses the network ranks #976 worldwide and #22 of 870 networks in South Korea. That is 0.19% of the country’s IPv4 space.
The largest block is 152.99.0.0 to 152.99.255.255 with 65,536 addresses, geolocated to Yuseong (Daedeok-daero).
- IPv4 addresses
- 224,768
- IPv4 prefixes
- 86
- World rank
- #976
- Country share
- 0.19%
Addresses by country
- South Korea 100%
Largest blocks
- 152.99.0.0 Yuseong (Daedeok-daero)65,536
- 27.101.0.0 Yuseong (Daedeok-daero)65,536
- 116.67.0.0 Yuseong (Daedeok-daero)32,768
- 125.60.0.0 Yuseong (Daedeok-daero)16,384
- 125.128.64.0 Seongnam-si (Buljeong-ro)8,192
- 203.238.160.0 Yuseong (Daedeok-daero)4,096
- 222.111.248.0 Seongnam-si2,048
- 210.99.48.0 Seongnam-si (Buljeong-ro)2,048
Networks of similar size
- AS13767 DataBank Holdings, Ltd.
226,048 - AS36924 GVA Cote d'Ivoire SAS
226,048 - AS140320 China Telecom
225,536 - AS9943 KangNam CableTV225,024
- AS34779 T-2, d.o.o.
224,256 - AS6039 DoD Network Information Center224,000
- AS12946 R Cable y Telecable Telecomunicaciones, S.A.U.
223,744 - AS4750 CS Loxinfo Public Company Limited
223,704
IPv4 prefixes
- 27.101.0.0/16
- 58.184.121.0/24
- 61.72.224.0/23
- 61.72.226.0/24
- 61.72.230.0/24
- 61.72.238.0/23
- 61.104.76.0/24
- 101.79.44.0/23
- 116.67.0.0/17
- 123.32.255.0/24
- 125.60.0.0/18
- 125.61.116.0/23
- 125.128.64.0/19
- 152.99.0.0/16
- 168.126.120.0/22
- 180.210.69.0/24
- 180.210.72.0/23
- 180.210.85.0/24
- 180.210.86.0/24
- 180.210.93.0/24
- 180.210.94.0/24
- 180.210.98.0/23
- 203.233.54.0/23
- 203.233.56.0/23
- 203.238.160.0/20
- 203.241.52.0/24
- 203.242.0.0/22
- 203.242.4.0/24
- 203.242.6.0/24
- 203.243.1.0/24
- 203.254.96.0/23
- 203.254.110.0/24
- 203.254.121.0/24
- 210.90.8.0/24
- 210.90.15.0/24
- 210.95.181.0/24
- 210.95.187.0/24
- 210.95.219.0/24
- 210.97.27.0/24
- 210.99.24.0/23
- 210.99.48.0/21
- 210.99.62.0/24
- 210.99.248.0/24
- 210.103.63.0/24
- 210.103.72.0/24
- 210.103.81.0/24
- 210.103.82.0/23
- 210.104.41.0/24
- 210.104.140.0/24
- 210.104.148.0/24
- 210.104.249.0/24
- 210.104.250.0/24
- 210.106.108.0/24
- 210.178.100.0/23
- 210.179.148.0/24
- 210.179.205.0/24
- 211.34.86.0/24
- 211.34.108.0/23
- 211.39.76.0/24
- 211.39.91.0/24
- 211.39.92.0/23
- 211.39.94.0/24
- 211.42.72.0/22
- 211.42.84.0/23
- 211.42.86.0/24
- 211.57.153.0/24
- 211.61.29.0/24
- 211.112.154.0/24
- 211.114.22.0/24
- 211.114.24.0/24
- 211.173.34.0/23
- 211.173.36.0/22
- 211.173.46.0/24
- 211.184.197.0/24
- 211.250.131.0/24
- 211.252.37.0/24
- 211.252.203.0/24
- 211.253.62.0/24
- 211.253.82.0/24
- 211.253.98.0/23
- 211.253.121.0/24
- 211.253.122.0/24
- 211.253.124.0/24
- 211.253.148.0/24
- 222.111.168.0/22
- 222.111.248.0/21
Questions and answers
Who owns AS17841?
Autonomous system AS17841 is operated by NATIONAL INFORMATION RESOURCES SERVICE.
How many IP addresses does AS17841 have?
The network holds 224,768 IPv4 addresses in 86 prefixes.
Which country is AS17841 in?
The main country is South Korea.
How big is AS17841?
By IPv4 addresses it ranks #976 worldwide.
What is the largest address block of AS17841?
152.99.0.0 to 152.99.255.255, 65,536 addresses.