Autonomous System details

AS17421

Mobile Business Group  ·  twnic.net.tw

Taiwan

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AS17421 – Mobile Business Group

Field Value
Country Taiwan
Website twnic.net.tw
Hosted domains 30
IPv4 addresses 1,655,296
IPv6 addresses 40,570,331,909,040,783,709,042,400,000,000
ASN type Business
Registry apnic
Updated 6 months ago on Nov 06, 2025

IP Ranges

Netblock Company Num of IPs
42.74.0.0/16 Mobile Business Group 65,536
42.75.0.0/16 Mobile Business Group 65,536
111.80.0.0/16 Chunghwa Telecom Co.,Ltd. 65,536
42.73.0.0/17 Mobile Business Group 32,768
42.73.128.0/17 Mobile Business Group 32,768
42.79.0.0/17 Mobile Business Group 32,768
111.82.0.0/17 Chunghwa Telecom Co.,Ltd. 32,768
111.82.128.0/17 Chunghwa Telecom Co.,Ltd. 32,768
223.143.0.0/17 Chunghwa Telecom Co.,Ltd. 32,768
42.70.0.0/18 Mobile Business Group 16,384
42.70.64.0/18 Mobile Business Group 16,384
42.70.128.0/18 Mobile Business Group 16,384
42.70.192.0/18 Mobile Business Group 16,384
42.71.0.0/18 Mobile Business Group 16,384
42.71.64.0/18 Mobile Business Group 16,384
42.71.128.0/18 Mobile Business Group 16,384
42.71.192.0/18 Mobile Business Group 16,384
42.72.0.0/18 Mobile Business Group 16,384
42.72.64.0/18 Mobile Business Group 16,384
42.72.128.0/18 Mobile Business Group 16,384
42.72.192.0/18 Mobile Business Group 16,384
42.76.0.0/18 Mobile Business Group 16,384
42.76.64.0/18 Mobile Business Group 16,384
42.76.128.0/18 Mobile Business Group 16,384
42.76.192.0/18 Mobile Business Group 16,384
42.77.0.0/18 Mobile Business Group 16,384
42.77.64.0/18 Mobile Business Group 16,384
42.77.128.0/18 Mobile Business Group 16,384
42.77.192.0/18 Mobile Business Group 16,384
42.78.0.0/18 Mobile Business Group 16,384
42.78.64.0/18 Mobile Business Group 16,384
42.78.128.0/18 Mobile Business Group 16,384
42.78.192.0/18 Mobile Business Group 16,384
42.79.0.0/18 Mobile Business Group 16,384
42.79.64.0/18 Mobile Business Group 16,384
111.70.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.71.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.71.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.71.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.81.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.81.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.81.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.81.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.83.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.83.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.83.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
111.83.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.136.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.136.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.136.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.136.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.137.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
114.137.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
116.59.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
116.59.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
116.59.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.136.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.136.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.137.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.137.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.137.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.137.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.138.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.138.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.139.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.139.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.139.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.139.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.140.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.140.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.140.128.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.140.192.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.141.0.0/18 Chunghwa Telecom Co.,Ltd. 16,384
223.141.64.0/18 Chunghwa Telecom Co.,Ltd. 16,384
42.79.128.0/19 Mobile Business Group 8,192
42.79.160.0/19 Mobile Business Group 8,192
42.79.192.0/19 Mobile Business Group 8,192
42.79.224.0/19 Mobile Business Group 8,192
114.137.0.0/19 Chunghwa Telecom Co.,Ltd. 8,192
114.137.32.0/19 Chunghwa Telecom Co.,Ltd. 8,192
114.137.64.0/19 Chunghwa Telecom Co.,Ltd. 8,192
114.137.96.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.136.0.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.136.32.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.136.64.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.136.96.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.138.0.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.138.32.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.138.64.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.138.96.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.141.128.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.141.160.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.141.192.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.141.224.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.143.128.0/19 Chunghwa Telecom Co.,Ltd. 8,192
223.143.160.0/19 Chunghwa Telecom Co.,Ltd. 8,192
116.59.48.0/20 Chunghwa Telecom Co.,Ltd. 4,096
116.59.16.0/21 Chunghwa Telecom Co.,Ltd. 2,048
116.59.24.0/21 Chunghwa Telecom Co.,Ltd. 2,048
221.120.0.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.192.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.200.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.208.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.216.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.224.0/21 Chunghwa Telecom Co.,Ltd. 2,048
223.143.232.0/21 Chunghwa Telecom Co.,Ltd. 2,048
116.59.12.0/22 Chunghwa Telecom Co.,Ltd. 1,024
221.120.8.0/22 Chunghwa Telecom Co.,Ltd. 1,024
221.120.12.0/22 Chunghwa Telecom Co.,Ltd. 1,024
221.120.40.0/22 Chunghwa Telecom Co.,Ltd. 1,024
221.120.76.0/22 Chunghwa Telecom Co.,Ltd. 1,024
111.71.242.0/23 Chunghwa Telecom Co.,Ltd. 512
116.59.10.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.32.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.36.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.42.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.46.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.48.0/23 Chunghwa Telecom Co.,Ltd. 512
221.120.58.0/23 Chunghwa Telecom Co.,Ltd. 512
223.143.240.0/23 Chunghwa Telecom Co.,Ltd. 512
223.143.242.0/23 Chunghwa Telecom Co.,Ltd. 512
223.143.244.0/23 Chunghwa Telecom Co.,Ltd. 512
223.143.246.0/23 Chunghwa Telecom Co.,Ltd. 512
111.71.193.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.194.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.195.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.196.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.197.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.208.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.209.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.212.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.213.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.214.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.215.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.216.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.217.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.218.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.220.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.221.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.222.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.223.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.225.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.226.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.227.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.228.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.229.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.230.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.240.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.248.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.252.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.253.0/24 Chunghwa Telecom Co.,Ltd. 256
111.71.254.0/24 Chunghwa Telecom Co.,Ltd. 256
116.59.0.0/24 Chunghwa Telecom Co.,Ltd. 256
116.59.2.0/24 Chunghwa Telecom Co.,Ltd. 256
116.59.8.0/24 Chunghwa Telecom Co.,Ltd. 256
116.59.9.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.33.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.34.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.35.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.36.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.37.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.38.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.40.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.41.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.42.0/24 Chunghwa Telecom Co.,Ltd. 256
211.79.47.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.19.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.20.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.21.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.23.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.30.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.34.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.38.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.40.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.41.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.44.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.45.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.50.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.51.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.56.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.57.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.72.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.73.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.74.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.75.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.80.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.81.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.82.0/24 Chunghwa Telecom Co.,Ltd. 256
221.120.83.0/24 Chunghwa Telecom Co.,Ltd. 256

Netblock Company
2001:b400::/23 HiNet Taiwan
2001:b400:e000::/36 HiNet Taiwan
2001:b400:e100::/44 HiNet Taiwan
2001:b400:e110::/44 HiNet Taiwan
2001:b400:e120::/44 HiNet Taiwan
2001:b400:e130::/44 HiNet Taiwan
2001:b400:e140::/44 HiNet Taiwan
2001:b400:e150::/44 HiNet Taiwan
2001:b400:e160::/44 HiNet Taiwan
2001:b400:e170::/44 HiNet Taiwan
2001:b400:e3e0::/44 HiNet Taiwan
2001:b400:e3f0::/44 HiNet Taiwan
2001:b400:e500::/44 HiNet Taiwan
2001:b400:e510::/44 HiNet Taiwan
2001:b400:e520::/44 HiNet Taiwan
2001:b400:e530::/44 HiNet Taiwan
2001:b400:e540::/44 HiNet Taiwan
2001:b400:e550::/44 HiNet Taiwan
2001:b400:e560::/44 HiNet Taiwan
2001:b400:e570::/44 HiNet Taiwan
2001:b400:e600::/44 HiNet Taiwan
2001:b400:e610::/44 HiNet Taiwan
2001:b400:e620::/44 HiNet Taiwan
2001:b400:e630::/44 HiNet Taiwan
2001:b400:e640::/44 HiNet Taiwan
2001:b400:e650::/44 HiNet Taiwan
2001:b400:e660::/44 HiNet Taiwan
2001:b400:e670::/44 HiNet Taiwan
2001:b400:d208::/45 HiNet Taiwan
2001:b400:d408::/45 HiNet Taiwan
2001:b400:f208::/45 HiNet Taiwan
2001:b400:f218::/45 HiNet Taiwan
2001:b400:f408::/45 HiNet Taiwan
2001:b400:f418::/45 HiNet Taiwan

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WHOIS Details

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                                                ASHandle:       AS17421
                                                OrgID:          AS17421
                                                ASName:         AS17421
                                                ASNumber:       AS17421
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA
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Hosted Domains

There are 30 domain names hosted across 27 IP addresses on this ASN.

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IP Address Domain Domains on this IP
221.120.77.169 ██████████ 3
221.120.4.184 ███████ 3
42.74.109.17 ██████████ 2
221.120.57.28 ██████████ 2
221.120.43.157 ██████████ 2
111.70.5.105 ██████████ 1
223.137.141.197 ██████████ 1
111.82.102.141 ██████████ 1
111.80.133.85 █████████ 1
111.70.11.180 ██████████ 1

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Peers

There is 1 peer for this ASN.

Peers Name
AS3462 Data Communication Business Group
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ASN API & Database

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS3462 Data Communication Business Group
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ASN API & Database

Downstreams

There are no downstreams for this ASN.

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ASN API & Database

Pingable IPs

1,854 IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

IP Address ASN Details
2001:b400:e63b:7bfa:e1:a941:a1a1:21a7 AS17421 Mobile Business Group 27.71ms from Chang-hua, TW
2001:b400:e54d:d2c0:d17:9f03:6f88:b606 AS17421 Mobile Business Group 25.48ms from Chang-hua, TW
2001:b400:e144:5098:7865:be4f:5844:7c80 AS17421 Mobile Business Group 20.94ms from Chang-hua, TW
2001:b400:e44d:da4f:df0a:baf1:73d:1441 AS17421 Mobile Business Group 12.21ms from Chang-hua, TW
2001:b400:e3e8:5ba9:c9ef:ba68:70bc:3c2b AS17421 Mobile Business Group 12.95ms from Chang-hua, TW
2001:b400:e2d4:f5d6:507f:6cff:fe5c:13e4 AS17421 Mobile Business Group 17.31ms from Chang-hua, TW
2001:b400:e142:8dec:f0dc:e606:6a3f:901c AS17421 Mobile Business Group 14.08ms from Chang-hua, TW
2001:b400:e3d1:de35:940d:e08a:ee2a:9c9e AS17421 Mobile Business Group 16.66ms from Chang-hua, TW
2001:b400:e231:c1d8:f13d:be7f:e42a:ccdd AS17421 Mobile Business Group 16.16ms from Chang-hua, TW
2001:b400:e28d:d581:28de:47ec:ea1b:4f56 AS17421 Mobile Business Group 11.69ms from Chang-hua, TW
2001:b400:e43d:9358:cd54:ccfa:86f:cfef AS17421 Mobile Business Group 26.19ms from Chang-hua, TW
2001:b400:e12e:4694:d0:8f95:426b:eea2 AS17421 Mobile Business Group 17.46ms from Chang-hua, TW
2001:b400:e23d:8a4b:1100:5a87:c62e:3a03 AS17421 Mobile Business Group 15.42ms from Chang-hua, TW
2001:b400:e489:b5de:b979:edfa:60db:28dd AS17421 Mobile Business Group 20.60ms from Chang-hua, TW
2001:b400:e513:b4d:531d:fc5a:c3db:1ed0 AS17421 Mobile Business Group 20.77ms from Chang-hua, TW
2001:b400:e62a:806b:e4b7:a1de:fe89:c08 AS17421 Mobile Business Group 37.09ms from Chang-hua, TW
2001:b400:e107:4d5f:c964:625c:7e4b:4ecb AS17421 Mobile Business Group 18.85ms from Chang-hua, TW
2001:b400:e159:160b:d066:61db:abe5:f7ba AS17421 Mobile Business Group 23.11ms from Chang-hua, TW
2001:b400:e105:da3:b91e:eeb3:3c13:f996 AS17421 Mobile Business Group 33.58ms from Chang-hua, TW
2001:b400:e280:80d9:cf31:fd58:5d31:80da AS17421 Mobile Business Group 12.96ms from Chang-hua, TW
2001:b400:e73b:915e:bc97:9b15:1662:1ff6 AS17421 Mobile Business Group 23.54ms from Chang-hua, TW
2001:b400:e301:25eb:98cb:6298:a4df:3bd6 AS17421 Mobile Business Group 17.28ms from Chang-hua, TW
2001:b400:e114:4a2:b5a2:ba29:3cb3:47ba AS17421 Mobile Business Group 20.68ms from Hong Kong, HK
111.81.167.101 AS17421 Mobile Business Group 10.64ms from Taichung, TW
116.59.219.164 AS17421 Mobile Business Group 9.66ms 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
216.197.70.253 AS22070 Blue Ridge Websoft, LLC 3.00ms from Ashburn, US
34.62.34.141 AS396982 Google LLC 0.13ms from Brussels, BE
204.44.85.13 AS36352 HostPapa 0.15ms from Buffalo, US
174.109.71.237 AS11426 Charter Communications Inc 10.28ms from Charlotte, US
200.151.71.109 AS7738 V tal 0.62ms from Fortaleza, BR
37.24.224.221 AS3209 Vodafone GmbH 8.93ms from Frankfurt am Main, DE
156.239.228.253 AS154321 CORENET CLOUD SDN. BHD. 1.31ms from Hong Kong, HK
141.239.143.253 AS36149 Hawaiian Telcom Services Company, Inc. 1.12ms from Honolulu, US
4.221.137.29 AS8075 Microsoft Corporation 0.15ms from Johannesburg, ZA
93.174.11.253 AS20860 IOMART CLOUD SERVICES LIMITED 1.48ms from Maidenhead, GB
137.27.114.173 AS20115 Charter Communications LLC 8.53ms from Minneapolis, US
4.37.14.141 AS3356 Level 3 Parent, LLC 0.69ms from Phoenix, US
212.227.238.29 AS8560 IONOS SE 0.39ms from Piscataway, US
162.248.21.125 AS19893 NTT Global Data Centers Americas, INC. 3.81ms from San Jose, US
210.90.249.77 AS4766 Korea Telecom 1.49ms from Seoul, KR
203.69.80.109 AS3462 Data Communication Business Group 0.85ms from Taipei, TW
60.61.26.109 AS9824 JCOM Co., Ltd. 12.60ms from Tokyo, JP
74.43.21.13 AS3593 Frontier Communications of America, Inc. 7.30ms from Ashburn, US
162.39.244.61 AS7029 Windstream Communications LLC 3.61ms from Atlanta, US
5.38.160.13 AS5483 Magyar Telekom Plc. 1.35ms from Budapest, HU
58.253.71.109 AS17816 China Unicom IP network China169 Guangdong province 8.17ms from Guangzhou, CN
14.234.81.237 AS45899 VNPT Corp 2.04ms from Ho Chi Minh City, VN
83.150.226.237 AS132839 POWER LINE DATACENTER 1.53ms from Hong Kong, HK
210.6.112.173 AS9269 Hong Kong Broadband Network Ltd. 0.67ms from Hong Kong, HK
114.96.169.77 AS4134 CHINANET BACKBONE 11.17ms from Huainan, CN

Traceroute

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

$
traceroute -a -n -q1 -m5 223.141.214.163
traceroute to 223.141.214.163 (223.141.214.163): 5 hops max, 52 byte packets
1 [AS208450] 45.136.59.1 9.274 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Aktau, KZ
On

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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 AS17421 at robtex.

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