121.203.224.0/20
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: [email protected] abuse-mailbox: [email protected] admin-c: JY50-AP tech-c: EN211-AP auth: # Filtered remarks: [email protected] was validated on 2025-08-27 mnt-by: MAINT-HK-SMARTM-AP last-modified: 2025-11-17T23:08:35Z 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: [email protected] 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: [email protected] admin-c: JY50-AP tech-c: EN211-AP nic-hdl: AS2092-AP remarks: Generated from irt object IRT-SMARTMOBILE-HK remarks: [email protected] was validated on 2025-08-27 abuse-mailbox: [email protected] mnt-by: APNIC-ABUSE last-modified: 2025-08-27T00:45:01Z source: APNIC person: Eric Chan nic-hdl: EC9-AP e-mail: [email protected] 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: [email protected] 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 121.203.224.0/20
| 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 no domains currently hosted on this ASN.
Hosted domains API
Pingable IPs
15 IPs in this range replied to an ICMP ping during our most recent internet scan. Learn more.
| IP Address | ASN | Details |
|---|---|---|
| 121.203.230.195 |
16.57ms from Hong Kong,
HK
|
|
| 121.203.233.15 |
25.56ms from Hong Kong,
HK
|
|
| 121.203.232.94 |
284.95ms from Hong Kong,
HK
|
|
| 121.203.226.65 |
21.88ms from Hong Kong,
HK
|
|
| 121.203.235.208 |
22.17ms from Hong Kong,
HK
|
|
| 121.203.228.132 |
10.22ms from Hong Kong,
HK
|
|
| 121.203.229.110 |
40.49ms 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 |
|---|---|---|
| 178.59.207.244 |
4.83ms from Athens,
GR
|
|
| 46.214.108.20 |
5.13ms from Bucharest,
RO
|
|
| 196.45.42.100 |
0.98ms from Dar es Salaam,
TZ
|
|
| 178.20.231.4 |
0.01ms from Izmir,
TR
|
|
| 192.138.19.4 |
0.20ms from Lansing,
US
|
|
| 86.150.247.100 |
3.31ms from London,
GB
|
|
| 176.160.189.148 |
1.65ms from Paris,
FR
|
|
| 39.91.113.180 |
5.86ms from Qingdao,
CN
|
|
| 186.223.107.212 |
9.77ms from Sao Paulo,
BR
|
|
| 119.207.37.180 |
10.00ms from Seoul,
KR
|
|
| 110.143.34.196 |
2.16ms from Sydney,
AU
|
|
| 1.175.188.164 |
4.12ms from Taichung,
TW
|
|
| 178.62.182.36 |
0.16ms from Amsterdam,
NL
|
|
| 45.146.83.84 |
0.13ms from Atlanta,
US
|
|
| 64.92.90.132 |
0.30ms from Atlanta,
US
|
|
| 125.24.232.52 |
1.40ms from Bangkok,
TH
|
|
| 186.248.75.4 |
10.36ms from Belo Horizonte,
BR
|
|
| 163.165.213.132 |
1.38ms from Frankfurt am Main,
DE
|
|
| 82.207.104.20 |
0.73ms from Kyiv,
UA
|
|
| 213.122.124.164 |
5.74ms from London,
GB
|
|
| 80.241.50.52 |
1.70ms from London,
GB
|
|
| 124.110.80.84 |
2.07ms from Osaka,
JP
|
|
| 3.89.156.20 |
0.65ms from Reston,
US
|
|
| 201.103.170.164 |
3.82ms from Santiago de Queretaro,
MX
|
|
| 187.38.252.36 |
6.72ms from Sao Paulo,
BR
|
Traceroute
Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this range. Learn more.
IPinfo ProbeNet
in Columbus, US
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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