AS18420
National Central University · ncu.edu.tw
Taiwan
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| Field | Value |
|---|---|
| Country |
Taiwan
|
| Website | ncu.edu.tw |
| Hosted domains | 65 |
| IPv4 addresses | 65,536 |
| IPv6 addresses | 0 |
| ASN type | Education |
| Registry | apnic |
| Updated | 2 months ago on Nov 06, 2025 |
IP Ranges
| Netblock | Company | Num of IPs |
|---|---|---|
| 140.115.0.0/16 | Ministry of Education Computer Center | 65,536 |
There are no known IPv6 addresses belonging to this network
WHOIS Details
ASHandle: AS18420
OrgID: AS18420
ASName: AS18420
ASNumber: AS18420
RegDate: 0000-00-00
Updated: 0000-00-00
TechHandle: AA00-AAAA
Source: AAAA
Hosted Domains
There are 65 domain names hosted across 61 IP addresses on this ASN.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 140.115.37.34 | ██████ | 3 |
| 140.115.120.175 | ██████████ | 2 |
| 140.115.65.172 | ██████ | 2 |
| 140.115.95.98 | ██████████ | 2 |
| 140.115.110.54 | ██████████ | 2 |
| 140.115.110.200 | ██████████ | 1 |
| 140.115.36.238 | ████████ | 1 |
| 140.115.32.101 | ██████████ | 1 |
| 140.115.50.56 | ███████ | 1 |
| 140.115.54.46 | ██████████ | 1 |
Peers
There are 2 peers for this ASN.
Upstreams
There is 1 peer for this ASN.
| upstreams | Name |
|---|---|
| AS18185 | NTCU |
Downstreams
There are no downstreams for this ASN.
Pingable IPs
234 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 140.115.158.192 |
3.11ms from Taichung,
TW
|
|
| 140.115.184.115 |
3.32ms from Taichung,
TW
|
|
| 140.115.176.254 |
3.54ms from Taichung,
TW
|
|
| 140.115.153.75 |
3.15ms from Taichung,
TW
|
|
| 140.115.23.55 |
3.12ms from Taipei,
TW
|
|
| 140.115.106.254 |
3.68ms from Taipei,
TW
|
|
| 140.115.42.27 |
3.16ms from Taipei,
TW
|
|
| 140.115.114.254 |
3.38ms from Taipei,
TW
|
|
| 140.115.127.70 |
2.98ms from Taipei,
TW
|
|
| 140.115.67.42 |
3.20ms from Taipei,
TW
|
|
| 140.115.133.254 |
3.40ms from Taipei,
TW
|
|
| 140.115.172.254 |
3.56ms from Taipei,
TW
|
|
| 140.115.165.19 |
3.33ms from Taichung,
TW
|
|
| 140.115.173.254 |
3.27ms from Taipei,
TW
|
|
| 140.115.99.254 |
3.26ms from Taipei,
TW
|
|
| 140.115.102.254 |
3.61ms from Taipei,
TW
|
|
| 140.115.222.254 |
3.37ms from Taipei,
TW
|
|
| 140.115.47.100 |
3.10ms from Taipei,
TW
|
|
| 140.115.113.254 |
3.16ms from Taichung,
TW
|
|
| 140.115.59.243 |
2.98ms from Taichung,
TW
|
|
| 140.115.51.123 |
2.96ms from Taichung,
TW
|
|
| 140.115.195.4 |
3.31ms from Taichung,
TW
|
|
| 140.115.185.94 |
3.19ms from Taichung,
TW
|
|
| 140.115.163.254 |
3.46ms from Taichung,
TW
|
|
| 140.115.201.254 |
3.49ms from Taipei,
TW
|
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 |
|---|---|---|
| 47.87.68.228 |
0.20ms from Bangkok,
TH
|
|
| 82.156.168.84 |
1.96ms from Beijing,
CN
|
|
| 98.60.230.212 |
9.38ms from Denver,
US
|
|
| 87.98.187.228 |
0.06ms from Gravelines,
FR
|
|
| 14.189.43.84 |
5.77ms from Hanoi,
VN
|
|
| 188.37.105.100 |
6.55ms from Lisbon,
PT
|
|
| 81.78.125.116 |
6.26ms from London,
GB
|
|
| 93.47.106.4 |
0.57ms from Milan,
IT
|
|
| 159.149.102.100 |
0.88ms from Milan,
IT
|
|
| 206.190.234.180 |
0.15ms from Osaka,
JP
|
|
| 123.50.250.52 |
12.34ms from Osaka,
JP
|
|
| 50.87.62.116 |
1.95ms from Salt Lake City,
US
|
|
| 189.241.79.196 |
4.26ms from Santiago de Queretaro,
MX
|
|
| 64.180.39.132 |
6.38ms from Seattle,
US
|
|
| 116.235.196.228 |
4.50ms from Shanghai,
CN
|
|
| 183.187.127.148 |
6.53ms from Taiyuan,
CN
|
|
| 221.242.171.196 |
0.95ms from Tokyo,
JP
|
|
| 34.186.52.68 |
0.13ms from Ashburn,
US
|
|
| 64.178.239.4 |
4.04ms from Atlanta,
US
|
|
| 182.53.6.164 |
7.51ms from Bangkok,
TH
|
|
| 45.248.3.4 |
1.81ms from Delhi,
IN
|
|
| 62.122.139.52 |
0.01ms from Dushanbe,
TJ
|
|
| 84.176.31.4 |
5.86ms from Frankfurt am Main,
DE
|
|
| 45.138.116.36 |
0.56ms from Frankfurt am Main,
DE
|
|
| 37.196.220.52 |
0.47ms from Goeteborg,
SE
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.
IPinfo ProbeNet
in Santa Clara, US
Related Networks
What is an ASN?
Autonomous System Numbers (ASNs) are assigned to entities such as Internet Service Providers and other large organizations that control blocks of IP addresses. This network page, and the organization field that's shown on the main IP address information page and also returned in the geolocation API are based on the ASN.
The ASN details will often correspond to the IP address owner, but for smaller organizations it may be that organization's parent, or their ISP. Find out more about AS18420 at robtex.
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