203.166.186.0/23
AS138421 · China Unicom
Need more data or want to access it via API or data downloads? Sign up to get free access
Sign up for free ›Summary
| Country |
China
|
| Domain | 21viacloud.com |
| ASN | AS138421 |
| Registry | APNIC |
| ID | ENTRUSTNET |
WHOIS Details
inetnum: 203.166.160.0 - 203.166.191.255 netname: ENTRUSTNET descr: Entrust Network Inc. descr: Building A2, 501 liyuan road, huangpu district, Shanghai country: CN admin-c: YW7118-AP tech-c: JS4343-AP abuse-c: AC1601-AP status: ALLOCATED PORTABLE mnt-by: MAINT-CNNIC-AP mnt-irt: IRT-ENTRUSTNET-CN mnt-lower: MAINT-CNNIC-AP mnt-routes: MAINT-CNCGROUP-RR last-modified: 2023-11-28T00:57:18Z source: APNIC irt: IRT-ENTRUSTNET-CN address: Building A2, 501 liyuan road, huangpu district, Shanghai e-mail: zhou.yu@21viacloud.com abuse-mailbox: zhou.yu@21viacloud.com admin-c: YW7118-AP tech-c: JS4343-AP auth: # Filtered mnt-by: MAINT-CNNIC-AP last-modified: 2025-11-18T00:34:39Z source: APNIC role: ABUSE CNNICCN country: ZZ address: Beijing, China phone: +000000000 e-mail: ipas@cnnic.cn admin-c: IP50-AP tech-c: IP50-AP nic-hdl: AC1601-AP remarks: Generated from irt object IRT-CNNIC-CN remarks: ipas@cnnic.cn is invalid abuse-mailbox: ipas@cnnic.cn mnt-by: APNIC-ABUSE last-modified: 2025-09-19T17:20:32Z source: APNIC person: Wu Yucheng address: Building A2, 501 liyuan road, huangpu district, Shanghai country: CN phone: +86-021-58667922 e-mail: wu.yucheng@21viacloud.com nic-hdl: JS4343-AP mnt-by: MAINT-CNNIC-AP last-modified: 2020-08-10T03:12:06Z source: APNIC person: Zhou Yu address: Building A2, 501 liyuan road, huangpu district, Shanghai country: CN phone: +86-021-63015500-160 e-mail: zhou.yu@21viacloud.com nic-hdl: YW7118-AP mnt-by: MAINT-CNNIC-AP last-modified: 2020-08-10T03:12:06Z source: APNIC
Nearby Ranges
BGP prefixes that overlap with 203.166.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 203.166.0.0/17 | AS12234 | Verizon Australia PTY Limited | 32,768 |
| 203.166.0.0/17 | AS703 | Verizon Australia PTY Limited | 32,768 |
| 203.166.224.0/19 | AS7545 | iiNet Limited | 8,192 |
| 203.166.128.0/20 | AS10031 | WEBSATMEDIA PTE LTD | 4,096 |
| 203.166.192.0/20 | AS9326 | PT Centrin Online Prima | 4,096 |
| 203.166.220.0/22 | AS63981 | 43/F, AIA Tower, 183 Electric Road, North Point, Hong Kong | 1,024 |
| 203.166.140.0/22 | AS10031 | Cloud Service | 1,024 |
| 203.166.158.0/23 | AS139719 | WEBSATMEDIA PTE LTD | 512 |
| 203.166.219.0/24 | AS45657 | NSW Rural Fire Service | 256 |
| 203.166.218.0/24 | AS56307 | NSW Education Standards Authority | 256 |
| 203.166.159.0/24 | AS10031 | WebSatMedia | 256 |
| 203.166.216.0/24 | AS133736 | TASMANET | 256 |
| 203.166.158.0/24 | AS139719 | Cloud Service | 256 |
| 203.166.217.0/24 | AS45319 | Universitas Bhayangkara | 256 |
Hosted domains
There are 5 domain names hosted across 4 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 203.166.186.61 | teaex-sh.cn | 2 |
| 203.166.186.80 | img-camera.cn | 1 |
| 203.166.186.56 | cncisa.com | 1 |
| 203.166.187.110 | kdffw.cn | 1 |
Hosted domains API
Pingable IPs
12 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 203.166.187.1 |
5.18ms from Shanghai,
CN
|
|
| 203.166.186.126 |
5.57ms from Shanghai,
CN
|
Other Pingable IPs
Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.
| IP Address | ASN | Details |
|---|---|---|
| 134.202.63.119 |
0.19ms from Atlanta,
US
|
|
| 98.217.206.247 |
4.48ms from Boston,
US
|
|
| 217.235.213.103 |
5.12ms from Frankfurt am Main,
DE
|
|
| 106.74.26.247 |
3.32ms from Hohhot,
CN
|
|
| 64.59.168.7 |
0.44ms from Kelowna,
CA
|
|
| 69.33.159.167 |
0.17ms from New York City,
US
|
|
| 69.242.93.39 |
9.66ms from New York City,
US
|
|
| 213.73.1.71 |
0.52ms from Olsztyn,
PL
|
|
| 44.206.248.55 |
0.41ms from Reston,
US
|
|
| 114.85.110.119 |
2.76ms from Shanghai,
CN
|
|
| 89.124.88.247 |
0.44ms from Amsterdam,
NL
|
|
| 78.48.245.167 |
3.29ms from Duesseldorf,
DE
|
|
| 38.165.14.231 |
1.46ms from Hong Kong,
HK
|
|
| 193.138.175.7 |
0.29ms from Istanbul,
TR
|
|
| 109.51.166.87 |
3.87ms from Lisbon,
PT
|
|
| 151.64.68.135 |
3.98ms from Milan,
IT
|
|
| 140.249.206.23 |
0.98ms from Qingdao,
CN
|
|
| 107.148.39.39 |
0.86ms from Singapore,
SG
|
|
| 178.194.89.247 |
1.31ms from Zuerich,
CH
|
|
| 62.235.246.135 |
1.20ms from Brussels,
BE
|
|
| 34.80.90.199 |
0.15ms from Chang-hua,
TW
|
|
| 119.224.88.167 |
1.66ms from Christchurch,
NZ
|
|
| 14.236.132.151 |
3.50ms from Da Nang,
VN
|
|
| 20.98.135.55 |
0.56ms from Des Moines,
US
|
|
| 82.181.186.119 |
9.99ms from Helsinki,
FI
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
What are IP address ranges?
IP address ranges, or netblocks, are groups of related IP addresses. They are usually represented as a base IP address, followed by a slash, and then a netmask which represents how many IP addresses are contained within the netblock. This format is known as CIDR. You'll also sometimes see netblocks given as a start ip address, and an end ip address, or an ip address range.
Traffic works its way around the internet based on the routing table, which contains a list of networks and their associated netblocks.
An API built with users in mind: reliable, accurate, and easy-to-use
Discover why industry-leading companies around the globe love our data. IPinfo's accurate insights fuel use cases from cybersecurity, data enrichment, web personalization, and much more.
Our IP tools
Explore all toolsSummarize IPs
Use our data visualization tool to create a visual overview of multiple IPs.
Try Summarize IPs