Autonomous system
AS4837 · CHINA169-BACKBONE CHINA UNICOM China169 Backbone
AS4837 is an ISP or business network registered as UNICOM-SD, announcing 57,218,304 IPv4 addresses in 1,096 ranges and 376 IPv6 ranges.
The network
- ASN
- AS4837
- Name
- CHINA169-BACKBONE CHINA UNICOM China169 Backbone
- Type
- An ISP or business network
- Registered network
- UNICOM-SD
- IPv4 addresses
- 57,218,304
- Address ranges
- 1,096 IPv4 · 376 IPv6
Report abuse
Spam, attacks or scraping from AS4837's addresses go to
[email protected]
(from the registry's record). Include the address, the time with its time zone, and the evidence (log lines, headers).
Largest IPv4 ranges
The 20 largest of 1,096; check any address in them for VPN, proxy, Tor and blocklist signals.
| Range | Addresses | |
|---|---|---|
| 39.64.0.0/11 | 2,097,152 | Check 39.64.0.0 |
| 27.192.0.0/12, 27.208.0.0/13, 27.216.0.0/14 … | 2,032,128 | Check 27.192.0.0 |
| 112.231.97.0/24, 112.231.98.0/23, 112.231.100.0/22 … | 1,652,736 | Check 112.231.97.0 |
| 175.160.0.0/12 | 1,048,576 | Check 175.160.0.0 |
| 120.0.0.0/12 | 1,048,576 | Check 120.0.0.0 |
| 113.224.0.0/12 | 1,048,576 | Check 113.224.0.0 |
| 101.64.0.0/13, 101.72.0.0/14 | 786,432 | Check 101.64.0.0 |
| 171.116.0.0/14, 171.120.0.0/13 | 786,432 | Check 171.116.0.0 |
| 182.116.63.0/24, 182.116.64.0/18, 182.116.128.0/17 … | 770,304 | Check 182.116.63.0 |
| 119.176.0.0/13, 119.184.0.0/15, 119.186.0.0/18 … | 681,728 | Check 119.176.0.0 |
| 175.146.0.0/15, 175.148.0.0/14, 175.152.0.0/14 | 655,360 | Check 175.146.0.0 |
| 118.72.0.0/13, 118.80.0.0/15 | 655,360 | Check 118.72.0.0 |
| 110.240.0.0/13, 110.248.0.0/16, 110.249.0.0/17 … | 634,112 | Check 110.240.0.0 |
| 115.48.0.0/13, 115.56.0.0/17, 115.56.128.0/18 … | 582,656 | Check 115.48.0.0 |
| 27.8.0.0/13 | 524,288 | Check 27.8.0.0 |
| 119.48.0.0/13 | 524,288 | Check 119.48.0.0 |
| 101.16.0.0/13 | 524,288 | Check 101.16.0.0 |
| 139.208.0.0/13 | 524,288 | Check 139.208.0.0 |
| 42.52.0.0/14, 42.56.0.0/14 | 524,288 | Check 42.52.0.0 |
| 42.176.0.0/13 | 524,288 | Check 42.176.0.0 |
IP Risk API
Need this in your code?
The IP Risk API answers in JSON: the risk score, location and network for any IP. A free key covers 1,000 lookups a month; the reasons behind each score come with Pro.