121.203.128.0/18
AS17924 · SmarTone Mobile Communications Ltd
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| Country |
Hong Kong
|
| Domain | smartone.com |
| ASN | AS17924 |
| Parent Range | 121.202.0.0/15 |
| Registry | APNIC |
| ID | SMARTONE-MB |
WHOIS Details
inetnum: 121.202.0.0 - 121.203.255.255 netname: SMARTONE-MB descr: SmarTone Mobile Communications Ltd descr: Hong Kong country: HK org: ORG-SMCL2-AP admin-c: JY50-AP tech-c: EC9-AP abuse-c: AS2092-AP status: ALLOCATED PORTABLE remarks: -------------------------------------------------------- remarks: To report network abuse, please contact mnt-irt remarks: For troubleshooting, please contact tech-c and admin-c remarks: Report invalid contact via www.apnic.net/invalidcontact remarks: -------------------------------------------------------- mnt-by: APNIC-HM mnt-lower: MAINT-HK-SMARTM-AP mnt-routes: MAINT-HK-SMARTM-AP mnt-irt: IRT-SMARTMOBILE-HK last-modified: 2020-05-16T06:32:37Z source: APNIC irt: IRT-SMARTMOBILE-HK address: 31/F, Millennium City 2, address: 378 Kwun Tong Road, Kwun Tong, address: Kowloon, Hong Kong e-mail: abuse@ismart.net abuse-mailbox: abuse@ismart.net admin-c: JY50-AP tech-c: EN211-AP auth: # Filtered remarks: abuse@ismart.net was validated on 2025-08-27 mnt-by: MAINT-HK-SMARTM-AP last-modified: 2025-09-04T05:16:36Z source: APNIC organisation: ORG-SMCL2-AP org-name: Smartone Mobile communications Limited org-type: LIR country: HK address: 31 / F , Millennium City 2 address: 378 Kwun Tong Road, Kwun Tong, Kowloon phone: +852-31282828 fax-no: +852-25976556 e-mail: abuse@ismart.net mnt-ref: APNIC-HM mnt-by: APNIC-HM last-modified: 2023-09-05T02:14:50Z source: APNIC role: ABUSE SMARTMOBILEHK country: ZZ address: 31/F, Millennium City 2, address: 378 Kwun Tong Road, Kwun Tong, address: Kowloon, Hong Kong phone: +000000000 e-mail: abuse@ismart.net admin-c: JY50-AP tech-c: EN211-AP nic-hdl: AS2092-AP remarks: Generated from irt object IRT-SMARTMOBILE-HK remarks: abuse@ismart.net was validated on 2025-08-27 abuse-mailbox: abuse@ismart.net mnt-by: APNIC-ABUSE last-modified: 2025-08-27T00:45:01Z source: APNIC person: Eric Chan nic-hdl: EC9-AP e-mail: ericchan@ismart.net address: 31/F,Millennium City 2, address: 378 Kwun Tong Road, Kwun Tong, address: Kowloon, Hong Kong phone: +852-31282298 fax-no: +852-21683089 country: HK mnt-by: MAINT-HK-EC9-AP last-modified: 2009-12-09T10:21:18Z source: APNIC person: Johnny Yeung nic-hdl: JY50-AP e-mail: johnnyyeung@ismart.net address: 31/F, Millennium City 2, address: 378 Kwun Tong Road, Kwun Tong, address: Kowloon, Hong Kong phone: +852-28802618 fax-no: +852-21683089 country: HK mnt-by: MAINT-HK-JY50-AP last-modified: 2009-12-09T08:10:00Z source: APNIC route: 121.202.0.0/15 origin: AS17924 descr: Smartone Mobile communications Limited 31 / F , Millennium City 2 378 Kwun Tong Road, Kwun Tong, Kowloon mnt-by: MAINT-HK-SMARTM-AP last-modified: 2021-04-22T07:22:28Z source: APNIC
Overlapping Ranges
BGP prefixes that contain 121.203.128.0/18
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.202.0.0/15 | AS17924 | SmarTone Mobile Communications Ltd | 131,072 |
Nearby Ranges
BGP prefixes that overlap with 121.203.0.0/16
| Range | ASN | Company | Num of IPs |
|---|---|---|---|
| 121.202.0.0/15 | AS17924 | SmarTone Mobile Communications Ltd | 131,072 |
Hosted domains
There are 2 domain names hosted across 2 IP addresses on this ASN. Checkout our API to access full domain hosting information.
| IP Address | Domain | Domains on this IP |
|---|---|---|
| 121.203.179.229 | ah-kit.com | 1 |
| 121.203.129.222 | dtstudio.ltd | 1 |
Hosted domains API
Pingable IPs
489 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 121.203.164.126 |
15.05ms from Hong Kong,
HK
|
|
| 121.203.186.35 |
17.08ms from Hong Kong,
HK
|
|
| 121.203.168.149 |
13.25ms from Hong Kong,
HK
|
|
| 121.203.190.109 |
12.96ms from Hong Kong,
HK
|
|
| 121.203.177.58 |
17.55ms from Hong Kong,
HK
|
|
| 121.203.137.248 |
13.64ms from Hong Kong,
HK
|
|
| 121.203.134.36 |
13.14ms from Hong Kong,
HK
|
|
| 121.203.151.162 |
12.40ms from Hong Kong,
HK
|
|
| 121.203.187.74 |
15.27ms from Hong Kong,
HK
|
|
| 121.203.147.61 |
11.97ms from Hong Kong,
HK
|
|
| 121.203.138.203 |
15.58ms from Hong Kong,
HK
|
|
| 121.203.136.237 |
10.74ms from Hong Kong,
HK
|
|
| 121.203.150.36 |
15.40ms from Hong Kong,
HK
|
|
| 121.203.146.125 |
11.80ms from Hong Kong,
HK
|
|
| 121.203.173.116 |
13.03ms from Hong Kong,
HK
|
|
| 121.203.143.231 |
14.80ms from Hong Kong,
HK
|
|
| 121.203.152.39 |
9.14ms from Hong Kong,
HK
|
|
| 121.203.166.188 |
8.12ms from Hong Kong,
HK
|
|
| 121.203.154.210 |
15.55ms from Hong Kong,
HK
|
|
| 121.203.171.59 |
12.26ms from Hong Kong,
HK
|
|
| 121.203.172.136 |
9.59ms from Hong Kong,
HK
|
|
| 121.203.180.13 |
21.00ms from Hong Kong,
HK
|
|
| 121.203.130.149 |
20.00ms from Hong Kong,
HK
|
|
| 121.203.145.146 |
13.68ms from Hong Kong,
HK
|
|
| 121.203.135.144 |
16.16ms from Hong Kong,
HK
|
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 |
|---|---|---|
| 212.92.80.146 |
6.91ms from Amsterdam,
NL
|
|
| 104.160.130.226 |
0.29ms from Ashburn,
US
|
|
| 99.102.80.194 |
2.45ms from Houston,
US
|
|
| 45.220.27.178 |
1.26ms from Johannesburg,
ZA
|
|
| 89.151.84.66 |
2.38ms from London,
GB
|
|
| 181.142.68.114 |
7.81ms from Medellin,
CO
|
|
| 66.115.222.2 |
7.70ms from Minneapolis,
US
|
|
| 84.129.115.2 |
5.61ms from Nuernberg,
DE
|
|
| 101.55.142.82 |
11.24ms from Osaka,
JP
|
|
| 181.93.229.162 |
1.77ms from Rosario,
AR
|
|
| 172.245.126.2 |
0.23ms from Seattle,
US
|
|
| 1.212.230.2 |
2.19ms from Seoul,
KR
|
|
| 175.227.118.50 |
7.20ms from Seoul,
KR
|
|
| 218.236.195.226 |
7.40ms from Seoul,
KR
|
|
| 78.83.28.226 |
8.54ms from Sofia,
BG
|
|
| 126.131.137.226 |
14.75ms from Tokyo,
JP
|
|
| 126.36.4.194 |
4.45ms from Tokyo,
JP
|
|
| 59.136.160.130 |
0.88ms from Tokyo,
JP
|
|
| 167.160.191.2 |
0.29ms from Toronto,
CA
|
|
| 23.92.134.146 |
5.87ms from Toronto,
CA
|
|
| 39.165.97.34 |
6.32ms from Zhengzhou,
CN
|
|
| 117.158.237.98 |
6.03ms from Zhengzhou,
CN
|
|
| 69.140.65.146 |
8.32ms from Ashburn,
US
|
|
| 136.57.89.18 |
5.58ms from Atlanta,
US
|
|
| 20.109.7.194 |
0.33ms from Boydton,
US
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Hong Kong, HK
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.
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