Autonomous System details

AS139903

RETN Telecoms Ltd.  ·  retn.net

Taiwan

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AS139903 – RETN Telecoms Ltd.

Field Value
Country Taiwan
Website retn.net
Hosted domains 0
IPv4 addresses 512
IPv6 addresses 1,208,925,819,614,629,200,000,000
ASN type ISP
Registry apnic
Allocated 6 years ago on Dec 23, 2019
Updated 7 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.
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WHOIS Details

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                                                ASHandle:       AS139903
                                                OrgID:          AS139903
                                                ASName:         AS139903
                                                ASNumber:       AS139903
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are no domains currently hosted on this ASN.

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Peers

There are 3 peers for this ASN.

Peers Name
AS3462 Data Communication Business Group
AS57304 JSC "RetnNet"
AS9002 RETN Limited
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS9002 RETN Limited
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Downstreams

There are no downstreams for this ASN.

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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. 3.28ms from Taichung, TW

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Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

IP Address ASN Details
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133.49.73.223 AS2907 Research Organization of Information and Systems, National Institute of Informatics 13.97ms from Osaka, JP
20.39.233.31 AS8075 Microsoft Corporation 0.41ms from Paris, FR
70.190.245.223 AS22773 Cox Communications Inc. 5.45ms from Phoenix, US
44.222.91.111 AS14618 Amazon.com, Inc. 0.22ms from Reston, US
93.64.251.255 AS30722 Fastweb SpA 8.41ms from Rome, IT
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45.133.73.207 AS211507 Julian Achter 0.41ms from Sofia, BG
221.170.15.207 AS2518 BIGLOBE Inc. 5.80ms from Tokyo, JP
98.233.206.111 AS7922 Comcast Cable Communications, LLC 11.13ms from Ashburn, US
203.42.88.15 AS1221 Telstra Limited 3.78ms from Brisbane, AU
13.247.229.79 AS16509 Amazon.com, Inc. 0.12ms from Cape Town, ZA
196.119.182.191 AS36925 MEDITELECOM 3.81ms from Casablanca, MA
187.195.121.15 AS8151 UNINET 8.71ms from Guadalajara, MX
83.40.37.63 AS3352 TELEFONICA DE ESPANA S.A.U. 9.76ms from Madrid, ES
103.7.148.15 AS132220 JPR Digital Pvt. Ltd. 0.46ms from Mumbai, IN
40.89.189.175 AS8075 Microsoft Corporation 0.39ms from Paris, FR
92.105.213.223 AS3303 Swisscom (Switzerland) Ltd 1.44ms from Zuerich, CH
86.84.251.47 AS1136 KPN B.V. 2.77ms from Amsterdam, NL
20.55.43.95 AS8075 Microsoft Corporation 0.73ms from Ashburn, US
152.4.159.223 AS81 MCNC 6.71ms from Ashburn, US

Traceroute

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

$
traceroute -a -n -q1 -f5 103.146.251.254
traceroute to 103.146.251.254 (103.146.251.254): 64 hops max, 52 byte packets
5 [] 220.128.13.85 3.311 ms
Measurement taken from IPinfo ProbeNet in Taichung, TW
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.

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