Search for information by IP address
Gyeongsangbuk-do
Gyeongsangbuk-do
Information about region Gyeongsangbuk-do South Korea
Gyeongsangbuk-do South Korea: Citys
Gyeongsangbuk-do South Korea: citys list
Citys list
Chilgok
Gyeongsan
Gyeongju
Gunwi
Pohang
Gimcheon
Gumi
Yecheon
Yeongcheon
Andong
Mungyeong
Sangju
Kumho
Poryong
Cheongsong
Silla
Providers registred in city Gyeongsangbuk-do South Korea
IP-addresses registred in city Gyeongsangbuk-do South Korea
IP-addresses registred in city Gyeongsangbuk-do South Korea
IP-address list
1.102.15.0 - 1.102.15.255
1.210.5.0 - 1.210.5.255
1.211.182.0 - 1.211.182.255
1.220.249.0 - 1.220.249.255
1.223.108.0 - 1.223.108.255
1.223.124.0 - 1.223.124.255
1.251.37.0 - 1.251.37.255
1.251.38.0 - 1.251.38.255
1.251.73.0 - 1.251.73.255
1.251.84.0 - 1.251.84.255
1.251.85.0 - 1.251.85.255
1.251.91.0 - 1.251.91.255
1.251.121.0 - 1.251.121.255
1.251.193.0 - 1.251.193.255
1.251.218.0 - 1.251.218.255
1.251.245.0 - 1.251.245.255
14.4.11.0 - 14.4.11.255
14.7.59.0 - 14.7.59.255
14.40.107.0 - 14.40.107.255
14.40.116.0 - 14.40.116.255
14.45.11.0 - 14.45.11.255
14.45.44.0 - 14.45.44.255
14.45.51.0 - 14.45.51.255
14.45.61.0 - 14.45.61.255
14.45.131.0 - 14.45.131.255
14.45.165.0 - 14.45.165.255
14.45.215.0 - 14.45.215.255
14.45.216.0 - 14.45.216.255
14.45.248.0 - 14.45.248.255
14.46.6.0 - 14.46.6.255
good hosting
14.46.8.0 - 14.46.8.255
14.46.10.0 - 14.46.10.255
14.46.14.0 - 14.46.14.255
14.46.20.0 - 14.46.20.255
14.46.25.0 - 14.46.25.255
14.46.83.0 - 14.46.83.255
14.46.123.0 - 14.46.123.255
14.46.132.0 - 14.46.132.255
14.46.187.0 - 14.46.187.255
14.46.229.0 - 14.46.229.255
14.56.228.0 - 14.56.228.255
14.56.254.0 - 14.56.254.255
17.81.61.0 - 17.81.61.255
17.81.160.0 - 17.81.160.255
27.167.51.0 - 27.167.51.255
27.174.24.0 - 27.174.24.255
36.38.34.0 - 36.38.34.255
36.38.50.0 - 36.38.50.255
36.39.146.0 - 36.39.146.255
36.39.150.0 - 36.39.150.255
36.39.157.0 - 36.39.158.255
39.112.31.0 - 39.112.31.255
39.112.54.0 - 39.112.54.255
39.112.112.0 - 39.112.112.255
39.112.123.0 - 39.112.123.255
39.112.144.0 - 39.112.144.255
39.112.157.0 - 39.112.157.255
39.112.168.0 - 39.112.168.255
39.112.199.0 - 39.112.199.255
39.112.249.0 - 39.112.249.255
39.116.119.0 - 39.116.119.255
39.116.128.0 - 39.116.128.255
39.116.159.0 - 39.116.159.255
39.116.250.0 - 39.116.250.255
39.121.30.0 - 39.121.30.255
39.121.41.0 - 39.121.41.255
39.121.78.0 - 39.121.78.255
39.121.84.0 - 39.121.84.255
39.121.89.0 - 39.121.89.255
39.121.129.0 - 39.121.129.255
39.121.144.0 - 39.121.144.255
39.121.221.0 - 39.121.221.255
42.24.90.0 - 42.24.90.255
42.82.36.0 - 42.82.36.255
42.82.41.0 - 42.82.41.255
42.82.184.0 - 42.82.184.255
42.82.214.0 - 42.82.214.255
42.82.223.0 - 42.82.223.255
49.142.93.0 - 49.142.93.255
49.143.12.0 - 49.143.12.255
49.143.14.0 - 49.143.14.255
49.164.246.0 - 49.164.246.255
49.165.19.0 - 49.165.19.255
49.166.162.0 - 49.166.162.255
49.167.195.0 - 49.167.195.255
49.172.23.0 - 49.172.23.255
58.120.164.0 - 58.120.164.255
58.124.134.0 - 58.124.134.255
58.124.148.0 - 58.124.148.255
58.124.151.0 - 58.124.151.255
58.230.45.0 - 58.230.45.255
58.230.212.0 - 58.230.212.255
58.232.32.0 - 58.232.32.255
58.237.28.0 - 58.237.28.255
58.237.77.0 - 58.237.77.255
58.237.79.0 - 58.237.79.255
58.237.91.0 - 58.237.91.255
58.237.97.0 - 58.237.97.255
58.237.131.0 - 58.237.131.255
58.237.244.0 - 58.237.244.255
58.238.45.0 - 58.238.45.255
58.238.50.0 - 58.238.50.255
59.21.241.0 - 59.21.241.255
59.23.10.0 - 59.23.10.255
59.23.19.0 - 59.23.19.255
59.23.36.0 - 59.23.36.255
59.23.69.0 - 59.23.69.255
59.23.88.0 - 59.23.88.255
59.23.156.0 - 59.23.156.255
59.23.201.0 - 59.23.201.255
59.23.234.0 - 59.23.234.255
59.24.6.0 - 59.24.6.255
59.24.13.0 - 59.24.13.255
59.24.18.0 - 59.24.18.255
59.24.25.0 - 59.24.25.255
59.24.52.0 - 59.24.52.255
59.24.133.0 - 59.24.133.255
59.24.136.0 - 59.24.137.255
59.24.149.0 - 59.24.149.255
59.24.153.0 - 59.24.153.255
59.24.223.0 - 59.24.223.255
59.24.228.0 - 59.24.228.255
59.151.197.0 - 59.151.197.255
59.151.202.0 - 59.151.202.255
59.151.204.0 - 59.151.204.255
good hosting
59.151.209.0 - 59.151.209.255
59.151.240.0 - 59.151.240.255
59.151.248.0 - 59.151.248.255
60.253.25.0 - 60.253.25.255
60.253.35.0 - 60.253.35.255
61.80.196.0 - 61.80.196.255
61.85.46.0 - 61.85.46.255
61.85.55.0 - 61.85.55.255
61.85.72.0 - 61.85.72.255
61.98.211.0 - 61.98.211.255
61.100.224.0 - 61.100.239.255
61.108.160.0 - 61.108.160.255
61.252.191.0 - 61.252.191.255
103.21.188.0 - 103.21.189.255
103.28.64.0 - 103.28.64.255
103.126.64.0 - 103.126.67.255
103.138.228.0 - 103.138.229.255
106.101.13.0 - 106.101.13.255
106.101.17.0 - 106.101.17.255
106.101.59.0 - 106.101.59.255
106.101.171.0 - 106.101.171.255
106.240.187.0 - 106.240.187.255
106.255.21.0 - 106.255.21.255
110.44.220.0 - 110.44.220.255
110.70.53.0 - 110.70.53.255
110.70.59.0 - 110.70.59.255
112.137.176.0 - 112.137.183.255
112.145.66.0 - 112.145.66.255
112.165.20.0 - 112.165.20.255
112.165.52.0 - 112.165.52.255
112.165.74.0 - 112.165.74.255
113.52.198.0 - 113.52.198.255
113.59.144.0 - 113.59.144.255
114.129.205.0 - 114.129.205.255
114.200.233.0 - 114.200.233.255
114.201.164.0 - 114.201.164.255
114.201.243.0 - 114.201.243.255
114.202.99.0 - 114.202.99.255
114.206.26.0 - 114.206.26.255
114.206.156.0 - 114.206.156.255
114.206.170.0 - 114.206.170.255
114.207.119.0 - 114.207.119.255
114.207.151.0 - 114.207.151.255
115.88.24.0 - 115.88.24.255
115.93.15.0 - 115.93.15.255
115.94.36.0 - 115.94.36.255
115.138.175.0 - 115.138.175.255
115.138.179.0 - 115.138.179.255
115.140.118.0 - 115.140.118.255
116.33.134.0 - 116.33.134.255
116.36.67.0 - 116.36.67.255
116.44.53.0 - 116.44.53.255
116.46.114.0 - 116.46.114.255
116.46.162.0 - 116.46.162.255
116.46.166.0 - 116.46.166.255
116.46.171.0 - 116.46.171.255
116.46.183.0 - 116.46.183.255
116.122.138.0 - 116.122.138.255
117.20.237.0 - 117.20.237.255
117.55.189.0 - 117.55.189.255
117.110.112.0 - 117.110.112.255
117.110.115.0 - 117.110.115.255
118.41.6.0 - 118.41.6.255
118.41.93.0 - 118.41.93.255
118.41.112.0 - 118.41.112.255
118.41.207.0 - 118.41.207.255
118.41.237.0 - 118.41.237.255
118.45.20.0 - 118.45.20.255
118.45.65.0 - 118.45.65.255
118.45.71.0 - 118.45.71.255
118.45.86.0 - 118.45.86.255
118.45.102.0 - 118.45.102.255
118.45.118.0 - 118.45.118.255
118.45.178.0 - 118.45.178.255
118.45.199.0 - 118.45.199.255
118.45.204.0 - 118.45.204.255
118.45.218.0 - 118.45.218.255
118.45.220.0 - 118.45.220.255
118.45.224.0 - 118.45.224.255
118.139.242.0 - 118.139.242.255
118.139.252.0 - 118.139.252.255
118.216.135.0 - 118.216.135.255
118.219.24.0 - 118.219.24.255
118.219.27.0 - 118.219.27.255
118.219.36.0 - 118.219.36.255
118.220.101.0 - 118.220.101.255
118.235.33.0 - 118.235.33.255
119.18.120.0 - 119.18.120.255
119.18.122.0 - 119.18.122.255
119.56.137.0 - 119.56.137.255
119.56.161.0 - 119.56.161.255
119.56.164.0 - 119.56.164.255
119.56.234.0 - 119.56.234.255
119.63.234.0 - 119.63.234.255
119.64.74.0 - 119.64.74.255
119.201.49.0 - 119.201.49.255
119.201.83.0 - 119.201.83.255
119.201.103.0 - 119.201.103.255
119.201.172.0 - 119.201.172.255
119.202.16.0 - 119.202.16.255
119.202.22.0 - 119.202.22.255
119.202.70.0 - 119.202.70.255
119.202.86.0 - 119.202.86.255
119.202.103.0 - 119.202.103.255
119.202.108.0 - 119.202.108.255
119.202.225.0 - 119.202.225.255
120.73.128.0 - 120.73.255.255
121.54.227.0 - 121.54.227.255
121.125.106.0 - 121.125.106.255
121.150.9.0 - 121.150.9.255
121.150.17.0 - 121.150.17.255
121.150.32.0 - 121.150.32.255
121.150.95.0 - 121.150.95.255
121.150.128.0 - 121.150.128.255
121.150.151.0 - 121.150.151.255
121.150.179.0 - 121.150.179.255
121.150.191.0 - 121.150.191.255
121.151.5.0 - 121.151.5.255
121.151.151.0 - 121.151.151.255
121.151.163.0 - 121.151.163.255
121.151.182.0 - 121.151.182.255
121.159.7.0 - 121.159.7.255
121.159.33.0 - 121.159.33.255
121.180.147.0 - 121.180.147.255
121.180.170.0 - 121.180.170.255
good hosting
121.180.204.0 - 121.180.204.255
121.180.206.0 - 121.180.206.255
121.180.212.0 - 121.180.212.255
121.180.234.0 - 121.180.234.255
121.180.240.0 - 121.180.240.255
121.180.248.0 - 121.180.248.255
121.181.16.0 - 121.181.16.255
121.181.95.0 - 121.181.95.255
121.181.105.0 - 121.181.105.255
121.181.129.0 - 121.181.129.255
121.182.222.0 - 121.182.222.255
121.183.32.0 - 121.183.32.255
121.183.66.0 - 121.183.66.255
121.183.105.0 - 121.183.105.255
121.183.113.0 - 121.183.113.255
122.35.160.0 - 122.35.160.255
122.38.251.0 - 122.38.251.255
122.40.53.0 - 122.40.53.255
122.42.175.0 - 122.42.175.255
122.43.132.0 - 122.43.132.255
122.43.138.0 - 122.43.138.255
122.199.89.0 - 122.199.89.255
122.202.52.0 - 122.202.52.255
122.202.56.0 - 122.202.56.255
123.98.196.0 - 123.98.196.255
123.111.240.0 - 123.111.240.255
123.213.47.0 - 123.213.47.255
123.215.131.0 - 123.215.131.255
124.51.85.0 - 124.51.85.255
124.52.59.0 - 124.52.59.255
124.54.93.0 - 124.54.93.255
124.56.185.0 - 124.56.185.255
124.111.114.0 - 124.111.114.255
125.62.222.0 - 125.62.222.255
125.137.3.0 - 125.137.3.255
125.137.128.0 - 125.137.128.255
125.137.132.0 - 125.137.132.255
125.137.141.0 - 125.137.141.255
125.137.193.0 - 125.137.193.255
125.137.202.0 - 125.137.203.255
125.137.254.0 - 125.137.254.255
125.185.76.0 - 125.185.76.255
125.185.229.0 - 125.185.229.255
125.185.255.0 - 125.185.255.255
125.191.164.0 - 125.191.164.255
125.244.248.0 - 125.244.248.255
134.75.5.0 - 134.75.5.255
141.223.0.0 - 141.223.181.255
141.223.183.0 - 141.223.255.255
165.141.0.0 - 165.141.111.255
Proxy-addresses registred in city Gyeongsangbuk-do South Korea
IP-address list
39.7.47.21 ISP/MOB
39.7.231.227 ISP/MOB
39.112.123.157 ISP
59.24.223.108 ISP/MOB
110.70.52.29 ISP/MOB
121.150.32.188 ISP/MOB
141.223.122.51 EDU
141.223.132.163 EDU
141.223.132.175 EDU
141.223.132.248 EDU
141.223.162.141 EDU
165.229.107.80 EDU
165.229.107.209 EDU
165.229.141.171 EDU
165.229.176.153 EDU
165.229.176.178 EDU
165.229.203.98 EDU
169.140.224.193 COM
175.120.106.143 ISP
175.201.12.159 ISP/MOB
175.201.12.218 ISP/MOB
175.223.11.45 ISP/MOB
183.106.80.67 ISP/MOB
203.225.84.197 COM
203.249.236.176 EDU
211.36.143.126 ISP/MOB
211.246.68.247 ISP/MOB
220.94.6.23 ISP/MOB
220.122.207.184 ISP/MOB
223.39.149.118 ISP/MOB
223.39.150.212 ISP/MOB
Proxy-providers
Korea Telecom
SK Broadband Co Ltd
Asia Pacific Network Information Centre
Yeungnam University
LGTelecom
SK Telecom
WHOIS service - checking IP-addresses
Last request
1.2.191.242 (Phra Nakhon Si Ayutthaya, Thailand)
109.200.177.81 (Sanaa, Yemen)
1.4.187.202 (Khon Kaen, Thailand)
200.106.236.141 (Tegucigalpa, Honduras)
1.3.196.215 (Guangzhou, China)
47.251.82.54 (Minkler, USA)
46.41.76.21 (Rostov-on-Don, Russia)
1.2.191.211 (Phra Nakhon Si Ayutthaya, Thailand)
5.133.212.218 (Amsterdam, Netherlands)
1.4.43.136 (Guangzhou, China)
1.2.184.45 (Phra Nakhon Si Ayutthaya, Thailand)
1.3.45.238 (Guangzhou, China)
62.69.194.146 (Warsaw, Poland)
1.1.251.57 (Khon Buri, Thailand)
1.1.231.9 (Pak Thong Chai, Thailand)
1.1.232.134 (Chiang Khan, Thailand)
1.3.36.159 (, China)
46.162.224.179 (, Armenia)
1.4.33.105 (, China)
92.101.72.115 (, Russia)
178.176.72.26 (Moscow, Russia)
1.3.109.40 (Guangzhou, China)
1.1.209.41 (Wang Saphung, Thailand)
185.13.178.204 (Omsk, Russia)
1.2.166.108 (Chainat, Thailand)
79.143.182.183 (Lauterbourg, France)
1.1.220.212 (Wiang Chiang Rung, Thailand)
1.1.128.74 (Nakhon Phanom, Thailand)
112.237.64.171 (Jinan, China)
1.1.212.0 (Si Bun Rueang, Thailand)
91.229.119.113 (Rostov-on-Don, Russia)
20.215.220.203 (Warsaw, Poland)
1.2.230.181 (Nakhon Ratchasima, Thailand)
172.192.228.30 (Osaka, Japan)
37.1.222.167 (Meppel, Netherlands)
185.54.23.152 (Sergiyev Posad, Russia)
85.175.165.208 (Krasnodar, Russia)
42.121.105.155 (Hangzhou, China)
92.101.27.113 (Kaliningrad, Russia)
176.59.33.179 (Tver, Russia)
193.163.207.193 (Helsinki, Finland)
190.53.248.10 (Tegucigalpa, Honduras)
1.4.200.31 (Bangkok, Thailand)
81.162.55.107 (Tashkent, Uzbekistan)
123.100.227.1 (London, Small Britain)
45.87.220.13 (Madrid, Spain)
168.192.1.1 (San Jose, USA)
1.2.34.200 (Guangzhou, China)
1.5.128.106 (Minato, Japan)
52.220.99.112 (Singapore, Singapore)
good hosting
1.2.91.108 (Guangzhou, China)
1.3.59.193 (Guangzhou, China)
37.140.223.37 (Los Angeles, USA)
1.2.207.38 (Uthai Thani, Thailand)
1.5.115.122 (Minato, Japan)
1.3.126.218 (Guangzhou, China)
80.242.220.162 (Almaty, Kazakhstan)
91.227.12.1 (Kineshma, Russia)
92.101.50.99 (, Russia)
1.4.182.112 (Khon Kaen, Thailand)
1.4.9.223 (Guangzhou, China)
78.37.41.27 (, Russia)
193.168.144.217 (, Switzerland)
1.1.102.67 (, Japan)
142.147.203.137 (, USA)
1.2.191.251 (, Thailand)
1.1.19.92 (, China)
1.4.28.84 (Guangzhou, China)
89.113.148.129 (, Russia)
1.2.180.233 (, Thailand)
1.2.237.59 (, Thailand)
3.7.45.100 (Mumbai, India)
210.54.249.233 (Auckland, New Zealand)
1.2.170.180 (Chainat, Thailand)
122.54.59.0 (Quezon City, Philippines)
88.201.206.185 (St Petersburg, Russia)
183.160.195.63 (Hefei, China)
1.1.43.88 (Guangzhou, China)
1.2.9.136 (Guangzhou, China)
1.1.195.249 (Loei, Thailand)
185.13.176.125 (Omsk, Russia)
102.67.181.231 (Riverlea, South Africa)
59.52.100.211 (Taohua, China)
1.4.187.227 (Khon Kaen, Thailand)
81.164.213.102 (Etterbeek, Belgium)
54.224.174.82 (Ashburn, USA)
1.4.144.247 (Bangkok, Thailand)
1.1.28.105 (Guangzhou, China)
79.137.138.228 (Moscow, Russia)
1.5.33.26 (Minato, Japan)
1.4.58.180 (Guangzhou, China)
1.4.39.138 (Guangzhou, China)
1.2.128.32 (Khon Kaen, Thailand)
1.2.25.151 (Guangzhou, China)
1.3.193.46 (Guangzhou, China)
89.253.25.139 (Chelyabinsk, Russia)
1.2.118.253 (Guangzhou, China)
125.36.50.64 (Tianjin, China)
95.24.220.18 (St Petersburg, Russia)
104.28.213.42 (Buffalo, USA)
1.5.119.113 (Minato, Japan)
1.4.248.80 (Bangkok, Thailand)
1.1.156.232 (Ko Samui, Thailand)
1.2.166.194 (Chainat, Thailand)
1.1.55.51 (Guangzhou, China)
1.1.42.126 (Guangzhou, China)
1.1.102.65 (Chiyoda City, Japan)
1.1.51.42 (Guangzhou, China)
5.140.48.199 (, Russia)
1.4.27.178 (, China)
1.5.145.82 (Minato, Japan)
1.5.82.121 (Minato, Japan)
1.2.131.50 (Khon Kaen, Thailand)
78.85.199.129 (, Russia)
1.2.2.212 (, China)
188.124.245.97 (Karaganda, Kazakhstan)
185.23.11.103 (Irkutsk, Russia)
194.126.202.234 (, Hong Kong)
1.2.157.83 (, Thailand)
84.215.10.72 (Asker, Norway)
46.71.154.21 (Yerevan, Armenia)
185.210.142.79 (, Russia)
221.201.55.248 (, China)
1.2.152.26 (Sam Sung, Thailand)
60.162.222.146 (, China)
1.52.111.96 (, Viet Nam)
1.2.91.35 (, China)
1.1.138.127 (, Thailand)
1.5.22.115 (Minato, Japan)
1.2.246.25 (, Thailand)
89.109.55.109 (Nizhniy Novgorod, Russia)
1.2.76.119 (Guangzhou, China)
1.4.177.162 (, Thailand)
91.230.232.100 (Bucharest, Romania)
185.29.124.29 (Moscow, Russia)
1.1.141.132 (Khwaeng Thung Song Hong, Thailand)
1.4.187.211 (Khon Kaen, Thailand)
176.59.50.197 (Tver, Russia)
1.2.44.48 (Guangzhou, China)
193.106.151.137 (Murom, Russia)
178.66.156.206 (St Petersburg, Russia)
1.3.249.169 (Guangzhou, China)
1.3.46.27 (Guangzhou, China)
1.2.94.192 (Guangzhou, China)
192.171.235.63 (Arlington, USA)
1.2.180.254 (Phra Nakhon Si Ayutthaya, Thailand)
45.173.165.132 (Aquidauana, Brazil)
178.121.4.203 (Minsk, Belarus)
202.77.96.124 (Jakarta, Indonesia)
1.3.164.190 (Guangzhou, China)
good hosting
128.0.81.47 (Moscow, Russia)
1.4.195.98 (Bangkok, Thailand)
178.178.87.150 (Nizhniy Novgorod, Russia)
176.59.82.236 (Semiluki, Russia)
1.2.211.164 (Bangkok, Thailand)
5.18.247.84 (St Petersburg, Russia)
187.246.11.154 (Toluca, Mexico)
1.2.8.54 (Beijing, China)
79.139.179.108 (Moscow, Russia)
104.192.171.138 (, USA)
1.4.244.27 (, Thailand)
1.1.85.211 (Chiyoda City, Japan)
213.32.240.20 (, Denmark)
1.4.12.244 (Guangzhou, China)
42.49.142.11 (, China)
50.188.38.152 (Houston, USA)
113.215.189.132 (, China)
1.2.103.167 (Guangzhou, China)
1.1.128.104 (, Thailand)
1.5.107.26 (Minato, Japan)
1.1.33.197 (, China)
217.197.235.142 (St Petersburg, Russia)
1.2.120.249 (Guangzhou, China)
103.67.196.214 (Ho Chi Minh City, Viet Nam)
81.195.182.92 (Moscow, Russia)
1.1.46.215 (Guangzhou, China)
1.2.142.33 (Khon Kaen, Thailand)
1.1.159.24 (Ko Samui, Thailand)
77.43.73.19 (Rome, Italy)
173.194.222.95 (Helsinki, Finland)
92.242.241.18 (Varaždin, Croatia)
1.5.234.172 (Minato, Japan)
1.2.111.163 (Guangzhou, China)
113.102.137.152 (Shenzhen, China)
1.1.102.51 (Chiyoda City, Japan)
93.182.154.8 (Luleå, Sweden)
1.2.156.19 (Phu Ruea, Thailand)
46.37.177.213 (Manchester, Small Britain)
35.124.162.78 (New York, USA)
88.72.136.127 (Düsseldorf, Germany)
89.113.158.39 (Moscow, Russia)
1.4.81.83 (Guangzhou, China)
1.2.3.94 (South Brisbane, Australia)
212.7.225.136 (Pavlovskiy Posad, Russia)
83.239.120.30 (Cherkessk, Russia)
217.8.117.8 (Tejen, Turkmenistan)
1.3.201.178 (Guangzhou, China)
1.3.188.148 (Guangzhou, China)
171.106.200.191 (Liuchow, China)
83.143.157.1 (Ivanovo, Russia)
Gyeongsangbuk-do South Korea: IP network ISP providers. South Korea IP & ISP providers, IP address range, address network