IPv4 prefix
183.172.0.0/14
- IP Prefix (CIDR)
- 183.172.0.0/14
- Subnet Mask
- 255.252.0.0
- Address Count
- 262,144
- Owner
- CERNET Helpdesk
- Handle
- CER-AP
- Country
-
China (CN)
- Address
- CERNET Center Beijing 100084, China
- Registry
- APNIC
- Registered Prefix
- 183.172.0.0/14 (183.172.0.0 - 183.175.255.255)
| Announced Prefix | Relationship | Origin ASN | Description | Country | First Address | Last Address |
|---|---|---|---|---|---|---|
| 183.172.0.0/14 | Exact | AS4538 | China Education and Research Network Center |
China (CN)
|
183.172.0.0 | 183.175.255.255 |
| 183.172.0.0/15 | More specific | AS24348 | CERNET2 IX at Tsinghua University |
China (CN)
|
183.172.0.0 | 183.173.255.255 |
| 183.174.0.0/16 | More specific | AS24349 | CERNET2 IX at Peking University |
China (CN)
|
183.174.0.0 | 183.174.255.255 |