apnic
2019-06-13T01:03:23Z
210
6
115,968
1,179,648
| CIDR | Description | IP Num |
|---|---|---|
14.144.12.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.13.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.14.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.15.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.40.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
14.144.52.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.53.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.54.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.55.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
14.144.60.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
14.144.62.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
14.149.71.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
59.32.184.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
59.32.200.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
59.32.214.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
59.32.217.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
59.32.224.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
59.32.233.0/24
|
ShaoguanTelecom Shaoguan Telecom | 256 |
59.32.236.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
59.32.249.0/24
|
DUOCAI DUO CAI | 256 |
59.32.250.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
59.32.251.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
61.143.253.0/24
|
CHUANGSHIJI-NETBAR CHUANGSHIJI-NETBAR | 256 |
61.143.254.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
61.146.196.0/24
|
CHINANET-GD country: CN CHINANET Guangdong Province Network | 256 |
61.146.197.0/24
|
CHINANET-GD country: CN CHINANET Guangdong Province Network | 256 |
61.146.200.0/22
|
CHINANET-GD country: CN CHINANET Guangdong Province Network | 1024 |
113.64.36.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.64.38.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.64.39.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.64.44.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.64.46.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.128.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.140.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.144.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.152.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.156.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.164.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.168.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.174.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
113.75.176.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.180.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.184.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.188.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.192.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.193.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.195.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.200.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.204.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.205.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.206.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.207.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.75.208.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.212.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.216.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.220.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.224.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.228.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.236.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.75.240.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
113.75.242.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
113.75.244.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.104.18.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
113.106.136.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
113.106.140.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.184.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.188.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.192.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.196.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.204.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
116.29.216.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.236.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.240.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
116.29.242.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
116.29.244.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
116.29.245.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
116.29.246.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
116.29.247.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
116.29.248.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
116.29.252.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
116.29.254.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.0.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.8.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.12.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.14.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.32.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.36.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.40.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.42.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.44.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.48.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.64.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.84.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.138.108.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
119.138.111.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
119.138.136.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.138.156.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.140.244.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
119.140.248.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
119.140.252.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
121.10.46.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
121.10.47.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
121.10.48.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
121.10.52.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
121.10.56.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
121.10.58.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.200.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
125.89.208.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.210.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.212.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.214.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.216.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.218.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.224.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.226.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.232.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
125.89.240.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.242.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.244.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
125.89.246.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.1.76.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.1.78.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.1.80.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.1.84.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.85.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.86.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.87.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.88.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.89.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.90.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.91.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.1.100.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.1.102.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.4.96.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.4.100.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.4.104.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.4.108.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.4.112.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.4.125.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.128.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.21.144.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.146.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.148.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.168.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.169.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.170.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.171.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.172.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.173.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.174.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.175.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.180.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.21.188.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.189.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.190.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.191.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.196.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.21.200.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.21.226.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.228.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.230.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.240.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.241.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.242.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.243.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.244.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.246.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.21.248.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.249.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.250.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.21.251.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.12.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.13.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.15.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.28.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.30.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.53.31.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.128.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.55.137.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.138.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.55.140.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.55.142.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.149.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.150.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.151.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.160.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.55.162.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
183.55.164.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.166.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.167.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.168.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.169.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.171.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.180.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.55.200.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.201.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.202.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.204.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.205.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.207.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
183.55.212.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.55.252.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
183.57.189.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
218.15.46.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
218.15.50.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
218.15.51.0/24
|
CHINANET-GD CHINANET Guangdong province network | 256 |
219.129.120.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
219.129.124.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
219.129.240.0/22
|
CHINANET-GD CHINANET Guangdong province network | 1024 |
219.129.246.0/23
|
CHINANET-GD CHINANET Guangdong province network | 512 |
| CIDR | Description | IP NUMs(prefix /64) |
|---|---|---|
240e:5e:10b0::/46
|
CT-IPv6-Networks Chinatelecom networks with tens of high-end routers and switches | 262144 |
240e:5e:10b4::/46
|
CT-IPv6-Networks Chinatelecom networks with tens of high-end routers and switches | 262144 |
240e:5e:10b8::/46
|
CT-IPv6-Networks Chinatelecom networks with tens of high-end routers and switches | 262144 |
240e:5e:10bc::/46
|
CT-IPv6-Networks Chinatelecom networks with tens of high-end routers and switches | 262144 |
240e:108:4053::/48
|
CT-IPV6-NETWORK-ADDRESS Chinatelecom IPv6 address for network | 65536 |
240e:108:4853::/48
|
CT-IPV6-NETWORK-ADDRESS Chinatelecom IPv6 address for network | 65536 |
as-block: AS139578 - AS140601 descr: APNIC ASN block remarks: These AS numbers are further assigned by APNIC remarks: to APNIC members and end-users in the APNIC region admin-c: HM20-AP tech-c: HM20-AP mnt-by: APNIC-HM mnt-lower: APNIC-HM last-modified: 2019-06-13T01:03:23Z source: APNIC role: APNIC Hostmaster address: 6 Cordelia Street address: South Brisbane address: QLD 4101 country: AU phone: +61 7 3858 3100 fax-no: +61 7 3858 3199 e-mail: [email protected] admin-c: AMS11-AP tech-c: AH256-AP nic-hdl: HM20-AP remarks: Administrator for APNIC notify: [email protected] mnt-by: MAINT-APNIC-AP last-modified: 2013-10-23T04:06:51Z source: APNIC aut-num: AS140318 as-name: CHINATELECOM-GUANGDONG-HEYUAN-5G-NETWORK descr: CHINATELECOM Guangdong province Heyuan 5G network descr: 510000 country: CN org: ORG-CT1-AP admin-c: CH93-AP tech-c: CH93-AP abuse-c: AC1573-AP notify: [email protected] mnt-lower: MAINT-CHINANET mnt-routes: MAINT-CHINANET-GD mnt-by: APNIC-HM mnt-irt: IRT-CHINANET-CN last-modified: 2020-05-14T11:14:53Z source: APNIC irt: IRT-CHINANET-CN address: No.31 ,jingrong street,beijing address: 100032 e-mail: [email protected] abuse-mailbox: [email protected] admin-c: CH93-AP tech-c: CH93-AP auth: # Filtered remarks: [email protected] was validated on 2026-05-21 mnt-by: MAINT-CHINANET last-modified: 2026-05-21T01:31:36Z source: APNIC organisation: ORG-CT1-AP org-name: China Telecom country: CN address: Data Network Management Division address: Network Operation & Maintenance Department address: No 19 Chaoyangmen North Street address: Dongcheng District phone: +86-20-38639251 fax-no: +86-10-58501060 e-mail: [email protected] mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2019-09-16T12:55:07Z source: APNIC role: ABUSE CHINANETCN country: ZZ address: No.31 ,jingrong street,beijing address: 100032 phone: +000000000 e-mail: [email protected] admin-c: CH93-AP tech-c: CH93-AP nic-hdl: AC1573-AP remarks: Generated from irt object IRT-CHINANET-CN remarks: [email protected] was validated on 2026-05-21 abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2026-05-21T01:32:00Z source: APNIC person: Chinanet Hostmaster nic-hdl: CH93-AP e-mail: [email protected] address: No.31 ,jingrong street,beijing address: 100032 phone: +86-10-58501724 fax-no: +86-10-58501724 country: CN mnt-by: MAINT-CHINANET last-modified: 2022-02-28T06:53:44Z source: APNIC as-block: AS139578 - AS140601 descr: APNIC ASN block admin-c: IA55-AP tech-c: IH123-AP mnt-by: MNT-APJII-ID mnt-lower: MNT-APJII-ID last-modified: 2026-02-15T00:06:08Z source: IDNIC role: ID-NIC ADMINISTRATORS address: Indonesian Network Information Center address: ID-NIC address: Cyber Building 11th Floor address: Jakarta 12710 country: ID phone: +62-21-52960634 fax-no: +62-21-52960635 e-mail: [email protected] admin-c: IH288-AP tech-c: IH288-AP nic-hdl: IA55-AP notify: [email protected] mnt-by: MNT-APJII-ID last-modified: 2026-02-25T04:06:45Z source: IDNIC role: ID-NIC HOSTMASTERS address: Indonesian Network Information Center address: ID-NIC address: Cyber Building 11th Floor address: Jakarta 12710 country: ID phone: +62-21-52960634 fax-no: +62-21-52960635 e-mail: [email protected] remarks: spam and abuse report : [email protected] remarks: technical and routing : [email protected] remarks: administrative request : [email protected] remarks: IDNIC hostmasters role object admin-c: IH1-AP tech-c: IH1-AP nic-hdl: IH123-AP notify: [email protected] mnt-by: MNT-APJII-ID last-modified: 2024-07-10T05:48:59Z source: IDNIC