Autonomous System details

AS139903

RETN Telecoms Ltd.  ·  retn.net

Taiwan

Need more data or want to access it via API or data downloads? Sign up to get free access

Sign up for free ›

AS139903 – RETN Telecoms Ltd.

Field Value
Country Taiwan
Website retn.net
Hosted domains 0
IPv4 addresses 512
IPv6 addresses 1,208,925,819,614,629,174,706,176
ASN type ISP
Registry apnic
Allocated 6 years ago on Dec 23, 2019
Updated 3 months ago on Aug 26, 2025

IP Ranges

Netblock Company Num of IPs
103.146.250.0/23 RETN Telecoms Ltd. 512
Netblock Company
2001:df2:7580::/48 RETN Telecoms Ltd.
Get this data and more with IPinfo's powerful IP Ranges API - quickly and easily identify company-owned IP ranges.
IP Ranges API

WHOIS Details

Join for free to view WHOIS details › 

                                                ASHandle:       AS139903
                                                OrgID:          AS139903
                                                ASName:         AS139903
                                                ASNumber:       AS139903
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
Get this data and more with IPinfo's WHOIS product - effortless access to POCs, ORGs, and Networks, for actionable intelligence.
IP WHOIS API & Database

Hosted Domains

There are no domains currently hosted on this ASN.

Discover all domains hosted on a single IP address with IPinfo's powerful Hosted Domains (Reverse IP) solution.
Useful for Cybersecurity
Hosted Domains API & Database

Peers

There are 3 peers for this ASN.

Peers Name
AS3462 Data Communication Business Group
AS57304 JSC "RetnNet"
AS9002 RETN Limited
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS9002 RETN Limited
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Downstreams

There are no downstreams for this ASN.

Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.
ASN API & Database

Pingable IPs

1 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
103.146.251.254 AS139903 RETN Telecoms Ltd. 3.16ms from Taichung, 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
60.6.209.223 AS4837 CHINA UNICOM China169 Backbone 9.71ms from Beijing, CN
113.44.198.223 AS55990 Huawei Cloud Service data center 3.65ms from Beijing, CN
108.80.147.63 AS7018 AT&T Enterprises, LLC 13.11ms from Chicago, US
108.215.1.79 AS7018 AT&T Enterprises, LLC 7.47ms from Dallas, US
31.125.211.191 AS6871 Plusnet 8.31ms from Erith, GB
3.78.181.111 AS16509 Amazon.com, Inc. 0.47ms from Frankfurt am Main, DE
103.61.191.63 AS55996 CYPRESS TELECOM (CHINA) LIMITED 5.02ms from Guangzhou, CN
86.148.78.31 AS2856 British Telecommunications PLC 1.39ms from London, GB
86.132.228.207 AS2856 British Telecommunications PLC 1.67ms from London, GB
119.230.148.31 AS17511 OPTAGE Inc. 1.70ms from Osaka, JP
39.70.238.31 AS4837 CHINA UNICOM China169 Backbone 7.57ms from Qingdao, CN
201.4.184.239 AS7738 V tal 9.31ms from Rio de Janeiro, BR
82.107.139.255 AS3269 Telecom Italia S.p.A. 1.77ms from Rome, IT
54.183.27.239 AS16509 Amazon.com, Inc. 0.11ms from San Jose, US
50.46.56.111 AS20055 Wholesail networks LLC 1.67ms from Seattle, US
110.92.221.255 AS9943 KangNam CableTV 0.77ms from Seoul, KR
115.159.38.111 AS45090 Shenzhen Tencent Computer Systems Company Limited 0.72ms from Shanghai, CN
95.31.127.255 AS8402 PJSC "Vimpelcom" 5.10ms from Yekaterinburg, RU
104.160.53.111 AS21713 Bulloch County Rural Telephone Cooperative, Inc. 6.37ms from Atlanta, US
81.24.244.79 AS41897 Sat-Trakt D.O.O. 10.49ms from Budapest, HU
78.178.123.159 AS9121 Turk Telekomunikasyon Anonim Sirketi 4.88ms from Bursa, TR
8.44.150.191 AS393552 Longmont Power & Communications 2.57ms from Denver, US
102.119.215.47 AS23889 Mauritius Telecom Ltd 2.74ms from Ebene, MU
81.73.4.255 AS3269 Telecom Italia S.p.A. 4.55ms from Milan, IT
94.137.12.95 AS47165 Omskie kabelnye seti Ltd. 8.24ms from Novosibirsk, RU

Traceroute

Below is a recent traceroute taken from the IPinfo ProbeNet to an IP in this ASN. Learn more.

$
traceroute -a -n -q1 -f5 103.146.251.255
traceroute to 103.146.251.255 (103.146.251.255): 64 hops max, 52 byte packets
6 *
7 [AS12389] 95.167.169.86 53.189 ms
Measurement taken from IPinfo ProbeNet in Dushanbe, TJ
On

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 AS139903 at robtex.

Data 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.

Get Started for Free Contact Sales
IPinfo for all your IP geolocation needs

Our IP tools

Explore all tools
What is my IP

What is my IP

Test our data accuracy by viewing insights from your IP address.

See your IP address
Map IPs

Map IPs

Paste up to 500,000 IPs to see where they're located on a map.

Try Map IPs
Summarize IPs

Summarize IPs

Use our data visualization tool to create a visual overview of multiple IPs.

Try Summarize IPs