IPv4 prefix
121.8.0.0/13
- IP Prefix (CIDR)
- 121.8.0.0/13
- Subnet Mask
- 255.248.0.0
- Address Count
- 524,288
Registration 1 of 5
- Handle
- IRT-CHINANET-CN
- Country
-
China (CN)
- Address
- No.31 ,jingrong street,beijing 100032
- Registry
- APNIC
- Registered Prefix
- 121.8.0.0/13 (121.8.0.0 - 121.15.255.255)
Registration 2 of 5
- Owner
- SHANTOU WANJIAN
- Handle
- ST-AP
- Country
-
China (CN)
- Address
- Telecom Building, Shan Zhang Road, Shantou, China
- Registry
- APNIC
- Registered Prefixes
-
121.10.224.0/28 (121.10.224.0 - 121.10.224.15)
121.11.16.0/29 (121.11.16.0 - 121.11.16.7) - Delegated Prefix
- 121.8.0.0/13 (121.8.0.0 - 121.15.255.255)
Registration 3 of 5
- Owner
- JIEYANG WANJIAN
- Handle
- JY-AP
- Country
-
China (CN)
- Address
- Dianxin Zonghe Building, Zhan Qian Road, Dongshan Jieyang, China
- Registry
- APNIC
- Registered Prefixes
-
121.11.151.0/24 (121.11.151.0 - 121.11.151.255)
121.11.152.0/24 (121.11.152.0 - 121.11.152.255)
121.11.153.0/30 (121.11.153.0 - 121.11.153.3)
121.11.160.0/31 (121.11.160.0 - 121.11.160.1) - Delegated Prefix
- 121.8.0.0/13 (121.8.0.0 - 121.15.255.255)
Registration 4 of 5
- Owner
- DONGGUAN WANJIAN
- Handle
- DG-AP
- Country
-
China (CN)
- Address
- No.100, Dong Cheng Road, Dongguan, China
- Registry
- APNIC
- Registered Prefixes
-
121.12.104.0/24 (121.12.104.0 - 121.12.104.255)
121.12.112.0/24 (121.12.112.0 - 121.12.112.255)
121.12.168.0/24 (121.12.168.0 - 121.12.168.255) - Delegated Prefix
- 121.8.0.0/13 (121.8.0.0 - 121.15.255.255)
Registration 5 of 5
- Owner
- SHENZHEN WANJIAN
- Handle
- SZ-AP
- Country
-
China (CN)
- Address
- Communication Bldg, No.48 Yi Tian Rd., Futian Shenzhen, China
- Registry
- APNIC
- Registered Prefix
- 121.15.172.0/25 (121.15.172.0 - 121.15.172.127)
- Delegated Prefix
- 121.8.0.0/13 (121.8.0.0 - 121.15.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 121.8.0.0/13 | Exact | AS4134 | China Telecom |
China (CN)
|
121.8.0.0 | 121.15.255.255 |
| 121.8.172.0/22 | More specific | AS135089 | China Telecom |
China (CN)
|
121.8.172.0 | 121.8.175.255 |
| 121.8.176.0/22 | More specific | AS135089 | China Telecom |
China (CN)
|
121.8.176.0 | 121.8.179.255 |
| 121.10.32.0/21 | More specific | AS140309 | China Telecom |
China (CN)
|
121.10.32.0 | 121.10.39.255 |
| 121.10.42.0/23 | More specific | AS140318 | China Telecom |
China (CN)
|
121.10.42.0 | 121.10.43.255 |
| 121.10.44.0/22 | More specific | AS140318 | China Telecom |
China (CN)
|
121.10.44.0 | 121.10.47.255 |
| 121.10.48.0/20 | More specific | AS140318 | China Telecom |
China (CN)
|
121.10.48.0 | 121.10.63.255 |
| 121.10.190.0/23 | More specific | AS140308 | China Telecom |
China (CN)
|
121.10.190.0 | 121.10.191.255 |
| 121.10.192.0/19 | More specific | AS140308 | China Telecom |
China (CN)
|
121.10.192.0 | 121.10.223.255 |
| 121.10.224.0/21 | More specific | AS140308 | China Telecom |
China (CN)
|
121.10.224.0 | 121.10.231.255 |
| 121.11.16.0/20 | More specific | AS140308 | China Telecom |
China (CN)
|
121.11.16.0 | 121.11.31.255 |
| 121.11.120.0/21 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.120.0 | 121.11.127.255 |
| 121.11.128.0/20 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.128.0 | 121.11.143.255 |
| 121.11.144.0/22 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.144.0 | 121.11.147.255 |
| 121.11.151.0/24 | More specific | AS135089 | China Telecom |
China (CN)
|
121.11.151.0 | 121.11.151.255 |
| 121.11.152.0/24 | More specific | AS135089 | China Telecom |
China (CN)
|
121.11.152.0 | 121.11.152.255 |
| 121.11.153.0/24 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.153.0 | 121.11.153.255 |
| 121.11.156.0/23 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.156.0 | 121.11.157.255 |
| 121.11.160.0/23 | More specific | AS140309 | China Telecom |
China (CN)
|
121.11.160.0 | 121.11.161.255 |
| 121.11.172.0/22 | More specific | AS135089 | China Telecom |
China (CN)
|
121.11.172.0 | 121.11.175.255 |
| 121.11.232.0/21 | More specific | AS135089 | China Telecom |
China (CN)
|
121.11.232.0 | 121.11.239.255 |
| 121.12.93.0/24 | More specific | AS136199 | CHINANET Guangdong province Yuedong MAN network |
China (CN)
|
121.12.93.0 | 121.12.93.255 |
| 121.12.94.0/24 | More specific | AS136199 | CHINANET Guangdong province Yuedong MAN network |
China (CN)
|
121.12.94.0 | 121.12.94.255 |
| 121.12.100.0/22 | More specific | AS136199 | CHINANET Guangdong province Yuedong MAN network |
China (CN)
|
121.12.100.0 | 121.12.103.255 |
| 121.12.104.0/21 | More specific | AS134763 | CHINANET Guangdong province network |
China (CN)
|
121.12.104.0 | 121.12.111.255 |
| 121.12.112.0/20 | More specific | AS134763 | CHINANET Guangdong province network |
China (CN)
|
121.12.112.0 | 121.12.127.255 |
| 121.12.168.0/21 | More specific | AS134763 | CHINANET Guangdong province network |
China (CN)
|
121.12.168.0 | 121.12.175.255 |
| 121.12.252.0/24 | More specific | AS134775 | CHINANET Guangdong province Zhusanjiao MAN network |
China (CN)
|
121.12.252.0 | 121.12.252.255 |
| 121.14.128.0/19 | More specific | AS134763 | CHINANET Guangdong province network |
China (CN)
|
121.14.128.0 | 121.14.159.255 |
| 121.14.201.0/24 | More specific | AS135089 | China Telecom |
China (CN)
|
121.14.201.0 | 121.14.201.255 |
| 121.14.203.0/24 | More specific | AS135089 | China Telecom |
China (CN)
|
121.14.203.0 | 121.14.203.255 |
| 121.15.172.0/23 | More specific | AS134774 | CHINANET Guangdong province Shenzhen MAN network |
China (CN)
|
121.15.172.0 | 121.15.173.255 |