Autonomous System details

AS133774

Fuzhou  ·  chinatelecom.cn

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AS133774 – Fuzhou

Field Value
Country China
Website chinatelecom.cn
Hosted domains 4,298
IPv4 addresses 183,296
IPv6 addresses 22,292,592,113,693,761,981,581,885,440
ASN type Hosting
Registry apnic
Allocated 11 years ago on Oct 28, 2014
Updated 6 years ago on May 25, 2020
Netblock Company Num of IPs
121.204.128.0/18 Fujian Xiamen branch Telecom Ltd 16,384
222.79.64.0/18 CHINANET fujian province network 16,384
27.151.0.0/19 CHINANET FUJIAN PROVINCE NETWORK 8,192
27.155.64.0/19 CHINANET FUJIAN PROVINCE NETWORK 8,192
120.39.192.0/19 CHINANET FUJIAN PROVINCE NETWORK 8,192
121.204.128.0/19 Fujian Xiamen branch Telecom Ltd 8,192
27.148.128.0/20 CHINANET FUJIAN PROVINCE NETWORK 4,096
27.150.16.0/20 CHINANET FUJIAN PROVINCE NETWORK 4,096
27.155.112.0/20 CHINANET FUJIAN PROVINCE NETWORK 4,096
27.156.0.0/20 Broadband network the city 4,096
59.56.16.0/20 CHINANET fujian province network 4,096
121.204.176.0/20 CHINANET Fujian province network 4,096
125.77.16.0/20 CHINANET Fujian province network 4,096
203.15.0.0/20 CHINANET Guangdong province network 4,096
203.104.32.0/20 CHINANET Guangdong province network 4,096
27.148.144.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
27.148.152.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
27.148.208.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
27.150.168.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
27.155.96.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
27.155.104.0/21 CHINANET FUJIAN PROVINCE NETWORK 2,048
59.59.176.0/21 CHINANET fujian province network 2,048
106.122.248.0/21 CHINANET Guangdong province network 2,048
121.204.160.0/21 CHINANET Fujian province network 2,048
121.204.192.0/21 CHINANET Fujian province network 2,048
121.204.200.0/21 CHINANET Fujian province network 2,048
121.204.208.0/21 CHINANET Fujian province network 2,048
121.204.224.0/21 CHINANET Fujian province network 2,048
220.162.248.0/21 CHINANET Fujian province network 2,048
27.148.196.0/22 CHINANET FUJIAN PROVINCE NETWORK 1,024
27.150.180.0/22 CHINANET FUJIAN PROVINCE NETWORK 1,024
27.150.184.0/22 CHINANET FUJIAN PROVINCE NETWORK 1,024
27.151.4.0/22 CHINANET FUJIAN PROVINCE NETWORK 1,024
27.159.124.0/22 CHINANET FUJIAN PROVINCE NETWORK 1,024
43.242.72.0/22 Kaopu Cloud 1,024
45.119.60.0/22 Kaopu Cloud 1,024
45.126.120.0/22 Kaopu Cloud 1,024
45.254.20.0/22 Fujian Nettac Information Technology Co,.LTD 1,024
59.56.104.0/22 CHINANET fujian province network 1,024
59.59.172.0/22 CHINANET fujian province network 1,024
103.59.112.0/22 Kaopu Cloud 1,024
103.64.156.0/22 Kaopu Cloud 1,024
103.64.212.0/22 Kaopu Cloud 1,024
103.73.136.0/22 Kaopu Cloud 1,024
103.73.140.0/22 Kaopu Cloud 1,024
103.223.132.0/22 Fujian Nettac Information Technology Co,.LTD 1,024
103.236.248.0/22 Lianyun(Dongguan)nettechcorporation 1,024
121.204.168.0/22 CHINANET Fujian province network 1,024
121.204.216.0/22 CHINANET Fujian province network 1,024
125.77.180.0/22 CHINANET Fujian province network 1,024
125.77.184.0/22 CHINANET Fujian province network 1,024
150.242.96.0/22 Kaopu Cloud 1,024
211.155.108.0/22 Kaopu Cloud 1,024
211.155.112.0/22 Kaopu Cloud 1,024
27.148.200.0/23 CHINANET FUJIAN PROVINCE NETWORK 512
27.148.206.0/23 CHINANET FUJIAN PROVINCE NETWORK 512
27.151.8.0/23 CHINANET FUJIAN PROVINCE NETWORK 512
27.155.78.0/23 CHINANET FUJIAN PROVINCE NETWORK 512
27.159.122.0/23 CHINANET FUJIAN PROVINCE NETWORK 512
121.204.172.0/23 CHINANET Fujian province network 512
121.204.220.0/23 CHINANET Fujian province network 512
121.204.232.0/23 CHINANET Fujian province network 512
125.77.178.0/23 CHINANET Fujian province network 512
27.148.149.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.148.152.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.148.153.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.148.202.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.148.205.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.150.182.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.150.188.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.150.189.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.150.190.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.151.3.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.151.13.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.155.77.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
27.155.96.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
59.56.16.0/24 CHINANET fujian province network 256
59.56.17.0/24 CHINANET fujian province network 256
59.56.18.0/24 CHINANET fujian province network 256
59.56.19.0/24 CHINANET fujian province network 256
59.56.20.0/24 CHINANET fujian province network 256
59.56.21.0/24 CHINANET fujian province network 256
59.56.22.0/24 CHINANET fujian province network 256
59.56.23.0/24 CHINANET fujian province network 256
59.56.24.0/24 CHINANET fujian province network 256
59.56.25.0/24 CHINANET fujian province network 256
59.56.26.0/24 CHINANET fujian province network 256
59.56.27.0/24 CHINANET fujian province network 256
59.56.30.0/24 CHINANET fujian province network 256
59.56.31.0/24 CHINANET fujian province network 256
59.56.64.0/24 CHINANET fujian province network 256
59.56.65.0/24 CHINANET fujian province network 256
59.56.67.0/24 CHINANET fujian province network 256
59.56.68.0/24 CHINANET fujian province network 256
59.56.69.0/24 CHINANET fujian province network 256
59.56.70.0/24 CHINANET fujian province network 256
59.56.71.0/24 CHINANET fujian province network 256
59.56.72.0/24 CHINANET fujian province network 256
59.56.73.0/24 CHINANET fujian province network 256
59.56.74.0/24 CHINANET fujian province network 256
59.56.75.0/24 CHINANET fujian province network 256
59.56.76.0/24 CHINANET fujian province network 256
59.56.77.0/24 CHINANET fujian province network 256
59.56.78.0/24 CHINANET fujian province network 256
59.56.79.0/24 CHINANET fujian province network 256
59.56.96.0/24 CHINANET fujian province network 256
59.56.97.0/24 CHINANET fujian province network 256
59.56.98.0/24 CHINANET fujian province network 256
59.56.100.0/24 CHINANET fujian province network 256
59.56.101.0/24 CHINANET fujian province network 256
59.56.102.0/24 CHINANET fujian province network 256
59.56.103.0/24 CHINANET fujian province network 256
59.56.104.0/24 CHINANET fujian province network 256
59.56.109.0/24 CHINANET fujian province network 256
59.56.110.0/24 CHINANET fujian province network 256
59.56.111.0/24 CHINANET fujian province network 256
103.223.132.0/24 Fujian Nettac Information Technology Co,.LTD 256
110.84.129.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
110.84.130.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
110.84.131.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
117.27.132.0/24 CHINANET Fujian province network 256
117.27.133.0/24 CHINANET Fujian province network 256
117.27.135.0/24 CHINANET Fujian province network 256
117.27.136.0/24 CHINANET Fujian province network 256
117.27.137.0/24 CHINANET Fujian province network 256
117.27.138.0/24 CHINANET Fujian province network 256
117.27.139.0/24 CHINANET Fujian province network 256
117.27.140.0/24 CHINANET Fujian province network 256
117.27.141.0/24 CHINANET Fujian province network 256
117.27.142.0/24 CHINANET Fujian province network 256
117.27.143.0/24 CHINANET Fujian province network 256
117.27.144.0/24 CHINANET Fujian province network 256
117.27.145.0/24 CHINANET Fujian province network 256
117.27.146.0/24 CHINANET Fujian province network 256
117.27.147.0/24 CHINANET Fujian province network 256
117.27.148.0/24 CHINANET Fujian province network 256
117.27.149.0/24 CHINANET Fujian province network 256
117.27.150.0/24 CHINANET Fujian province network 256
117.27.151.0/24 CHINANET Fujian province network 256
117.27.152.0/24 CHINANET Fujian province network 256
117.27.153.0/24 CHINANET Fujian province network 256
117.27.154.0/24 CHINANET Fujian province network 256
117.27.155.0/24 CHINANET Fujian province network 256
117.27.156.0/24 CHINANET Fujian province network 256
117.27.157.0/24 CHINANET Fujian province network 256
117.27.158.0/24 CHINANET Fujian province network 256
117.27.159.0/24 CHINANET Fujian province network 256
117.27.224.0/24 CHINANET Fujian province network 256
117.27.225.0/24 CHINANET Fujian province network 256
117.27.226.0/24 CHINANET Fujian province network 256
117.27.227.0/24 CHINANET Fujian province network 256
117.27.228.0/24 CHINANET Fujian province network 256
117.27.229.0/24 CHINANET Fujian province network 256
117.27.230.0/24 CHINANET Fujian province network 256
117.27.231.0/24 CHINANET Fujian province network 256
117.27.232.0/24 CHINANET Fujian province network 256
117.27.233.0/24 CHINANET Fujian province network 256
117.27.234.0/24 CHINANET Fujian province network 256
117.27.235.0/24 CHINANET Fujian province network 256
117.27.236.0/24 CHINANET Fujian province network 256
117.27.237.0/24 CHINANET Fujian province network 256
117.27.238.0/24 CHINANET Fujian province network 256
117.27.239.0/24 CHINANET Fujian province network 256
117.27.240.0/24 CHINANET Fujian province network 256
117.27.241.0/24 CHINANET Fujian province network 256
117.27.242.0/24 CHINANET Fujian province network 256
117.27.243.0/24 CHINANET Fujian province network 256
117.27.244.0/24 CHINANET Fujian province network 256
117.27.245.0/24 CHINANET Fujian province network 256
117.27.246.0/24 CHINANET Fujian province network 256
117.27.247.0/24 CHINANET Fujian province network 256
117.27.248.0/24 CHINANET Fujian province network 256
117.27.249.0/24 CHINANET Fujian province network 256
117.27.250.0/24 CHINANET Fujian province network 256
117.27.251.0/24 CHINANET Fujian province network 256
117.27.253.0/24 CHINANET Fujian province network 256
117.27.254.0/24 CHINANET Fujian province network 256
117.27.255.0/24 CHINANET Fujian province network 256
120.39.216.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
120.39.243.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
120.39.244.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
120.39.248.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
120.39.251.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
120.39.252.0/24 CHINANET FUJIAN PROVINCE NETWORK 256
121.204.160.0/24 CHINANET Fujian province network 256
121.204.182.0/24 CHINANET Fujian province network 256
121.207.224.0/24 CHINANET Fujian province network 256
121.207.225.0/24 CHINANET Fujian province network 256
121.207.226.0/24 CHINANET Fujian province network 256
121.207.227.0/24 CHINANET Fujian province network 256
121.207.228.0/24 CHINANET Fujian province network 256
121.207.229.0/24 CHINANET Fujian province network 256
121.207.230.0/24 CHINANET Fujian province network 256
121.207.231.0/24 CHINANET Fujian province network 256
121.207.232.0/24 CHINANET Fujian province network 256
121.207.233.0/24 CHINANET Fujian province network 256
121.207.234.0/24 CHINANET Fujian province network 256
121.207.235.0/24 CHINANET Fujian province network 256
121.207.236.0/24 CHINANET Fujian province network 256
121.207.237.0/24 CHINANET Fujian province network 256
121.207.238.0/24 CHINANET Fujian province network 256
121.207.239.0/24 CHINANET Fujian province network 256
121.207.240.0/24 CHINANET Fujian province network 256
121.207.241.0/24 CHINANET Fujian province network 256
121.207.242.0/24 CHINANET Fujian province network 256
121.207.243.0/24 CHINANET Fujian province network 256
121.207.244.0/24 CHINANET Fujian province network 256
121.207.245.0/24 CHINANET Fujian province network 256
121.207.246.0/24 CHINANET Fujian province network 256
121.207.247.0/24 CHINANET Fujian province network 256
121.207.248.0/24 CHINANET Fujian province network 256
121.207.249.0/24 CHINANET Fujian province network 256
121.207.250.0/24 CHINANET Fujian province network 256
121.207.251.0/24 CHINANET Fujian province network 256
121.207.252.0/24 CHINANET Fujian province network 256
121.207.253.0/24 CHINANET Fujian province network 256
121.207.254.0/24 CHINANET Fujian province network 256
121.207.255.0/24 CHINANET Fujian province network 256
125.77.188.0/24 CHINANET Fujian province network 256
218.66.100.0/24 CHINANET Fujian province network 256
218.66.101.0/24 CHINANET Fujian province network 256
218.66.102.0/24 CHINANET Fujian province network 256
218.66.103.0/24 CHINANET Fujian province network 256
218.66.104.0/24 CHINANET Fujian province network 256
218.66.111.0/24 CHINANET Fujian province network 256
220.162.237.0/24 CHINANET Fujian province network 256
220.162.238.0/24 CHINANET Fujian province network 256
220.162.239.0/24 CHINANET Fujian province network 256
220.162.240.0/24 CHINANET Fujian province network 256
220.162.242.0/24 CHINANET Fujian province network 256
220.162.244.0/24 CHINANET Fujian province network 256
220.162.246.0/24 CHINANET Fujian province network 256
220.162.247.0/24 CHINANET Fujian province network 256
222.77.176.0/24 CHINANET fujian province network 256
222.77.177.0/24 CHINANET fujian province network 256
222.77.178.0/24 CHINANET fujian province network 256
222.77.179.0/24 CHINANET fujian province network 256
222.77.181.0/24 CHINANET fujian province network 256
222.77.182.0/24 CHINANET fujian province network 256
222.77.185.0/24 CHINANET fujian province network 256
222.77.186.0/24 CHINANET fujian province network 256
222.77.187.0/24 CHINANET fujian province network 256
222.77.188.0/24 CHINANET fujian province network 256
222.77.189.0/24 CHINANET fujian province network 256
222.77.190.0/24 CHINANET fujian province network 256
222.77.191.0/24 CHINANET fujian province network 256

Netblock Company
240e:14:6800::/37 Chinatelecom networks with tens of high-end routers and switches
240e:d6:6000::/37 Chinatelecom networks with tens of high-end routers and switches
240e:964:800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:964:1800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:965:800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:966:800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:966:1800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:967:800::/37 Chinatelecom IPv6 address for IDC & Cloud service
240e:967:e200::/39 Chinatelecom IPv6 address for IDC & Cloud service
240e:698:2700::/40 Chinatelecom IPv6 address for LEASED LINE
240e:698:4b00::/40 Chinatelecom IPv6 address for LEASED LINE
240e:980:2700::/40 Chinatelecom IPv6 address for IDC & Cloud service
240e:980:4b00::/40 Chinatelecom IPv6 address for IDC & Cloud service
240e:980:8500::/40 Chinatelecom IPv6 address for IDC & Cloud service
240e:982:8000::/40 Chinatelecom IPv6 address for IDC & Cloud service
240e:108:27::/48 Chinatelecom IPv6 address for network
240e:108:4b::/48 Chinatelecom IPv6 address for network
240e:108:85::/48 Chinatelecom IPv6 address for network
240e:108:1180::/48 Chinatelecom IPv6 address for network
240e:109:8027::/48 Chinatelecom IPv6 address for network
240e:109:804b::/48 Chinatelecom IPv6 address for network
240e:983:1801::/48 Chinatelecom IPv6 address for IDC & Cloud service
240e:983:180a::/48 Chinatelecom IPv6 address for IDC & Cloud service

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WHOIS Details


                                                ASHandle:       AS133774
                                                OrgID:          AS133774
                                                ASName:         AS133774
                                                ASNumber:       AS133774
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 4,298 domain names hosted across 1,659 IP addresses on this ASN.

IP Address Domain Domains on this IP
222.77.178.56 ██████████ 221
27.155.113.101 █████████ 220
27.151.0.1 █████████ 204
59.56.69.130 ████████ 136
125.77.188.8 █████████ 117
27.155.113.110 ██████████ 80
27.155.113.115 ██████████ 49
59.56.65.5 ██████████ 48
27.155.113.113 ██████████ 44
59.56.102.34 ██████████ 39

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

Peers

There are 2 peers for this ASN.

Peers Name
AS4134 CHINANET-BACKBONE
AS58854 Kaopu Cloud
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Upstreams

There is 1 peer for this ASN.

upstreams Name
AS4134 CHINANET-BACKBONE
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Downstreams

There is 1 peer for this ASN.

Downstreams Name
AS58854 Kaopu Cloud
Get this data and more insights on related domains, allocation dates, registry names, IP counts with IPinfo's IP-to-ASN product.

Pingable IPs

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

IP Address ASN Details
27.150.19.215 AS133774 Fuzhou 1.63ms from Fuzhou, CN
222.79.126.18 AS133774 Fuzhou 2.11ms from Fuzhou, CN
121.207.242.98 AS133774 Fuzhou 2.48ms from Fuzhou, CN
121.204.202.102 AS133774 Fuzhou 1.66ms from Fuzhou, CN
121.204.161.94 AS133774 Fuzhou 1.62ms from Fuzhou, CN
27.150.23.228 AS133774 Fuzhou 1.61ms from Fuzhou, CN
121.204.229.13 AS133774 Fuzhou 2.37ms from Fuzhou, CN
103.64.156.2 AS133774 Fuzhou 3.04ms from Fuzhou, CN
106.122.248.49 AS133774 Fuzhou 2.35ms from Fuzhou, CN
125.77.23.241 AS133774 Fuzhou 2.98ms from Fuzhou, CN
203.104.35.96 AS133774 Fuzhou 1.83ms from Fuzhou, CN
117.27.133.14 AS133774 Fuzhou 1.78ms from Fuzhou, CN
117.27.243.203 AS133774 Fuzhou 1.75ms from Fuzhou, CN
27.148.138.10 AS133774 Fuzhou 1.75ms from Fuzhou, CN
45.254.21.10 AS133774 Fuzhou 2.42ms from Fuzhou, CN
27.155.88.88 AS133774 Fuzhou 2.47ms from Fuzhou, CN
121.207.230.5 AS133774 Fuzhou 2.21ms from Fuzhou, CN
121.204.134.227 AS133774 Fuzhou 1.66ms from Fuzhou, CN
27.150.182.250 AS133774 Fuzhou 1.64ms from Fuzhou, CN
222.79.107.112 AS133774 Fuzhou 2.75ms from Fuzhou, CN
27.148.201.13 AS133774 Fuzhou 2.67ms from Fuzhou, CN
121.204.192.58 AS133774 Fuzhou 1.65ms from Fuzhou, CN
27.155.101.226 AS133774 Fuzhou 1.63ms from Fuzhou, CN
121.204.150.212 AS133774 Fuzhou 1.63ms from Fuzhou, CN
121.204.135.117 AS133774 Fuzhou 1.67ms from Fuzhou, CN

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
75.165.230.254 AS19901 Brightspeed 8.35ms from Ashburn, US
54.39.32.14 AS16276 OVH SAS 0.07ms from Beauharnois, CA
68.43.58.190 AS7922 Comcast Cable Communications, LLC 11.36ms from Flint, US
92.196.175.46 AS20676 Plusnet GmbH 4.62ms from Hamburg, DE
20.77.168.174 AS8075 Microsoft Corporation 0.23ms from London, GB
2.229.123.110 AS12874 Fastweb SpA 1.85ms from Milan, IT
109.94.182.254 AS44895 MTS PJSC 3.52ms from Moscow, RU
34.239.177.14 AS14618 Amazon.com, Inc. 0.39ms from Reston, US
191.56.99.158 AS4230 CLARO S.A. 18.34ms from Sao Paulo, BR
23.84.167.30 AS20115 Charter Communications LLC 3.92ms from St. Louis, US
68.218.141.142 AS8075 Microsoft Corporation 0.70ms from Sydney, AU
150.116.74.254 AS131627 Peicity Digital Cable Television., LTD 1.05ms from Taipei, TW
111.185.189.254 AS9416 Hoshin Multimedia Center Inc. 4.94ms from Taipei, TW
71.220.169.254 AS209 CenturyLink Communications, LLC 5.76ms from Atlanta, US
34.173.80.222 AS396982 Google LLC 0.11ms from Council Bluffs, US
144.96.246.238 AS3634 Stephen F. Austin State University 6.55ms from Dallas, US
112.93.41.238 AS17816 China Unicom IP network China169 Guangdong province 4.79ms from Guangzhou, CN
219.92.211.142 AS4788 TM TECHNOLOGY SERVICES SDN. BHD. 1.92ms from Kuala Lumpur, MY
67.225.213.174 AS32244 Liquid Web, L.L.C 0.37ms from Lansing, US
71.52.52.254 AS209 CenturyLink Communications, LLC 2.42ms from Las Vegas, US
81.77.207.14 AS5378 Vodafone Limited 4.93ms from London, GB
74.244.113.78 AS14593 Space Exploration Technologies Corporation 13.00ms from Miami, US
217.112.108.222 AS49605 Digital Telecommunication Services S.r.l. 12.62ms from Milan, IT
75.73.32.254 AS7922 Comcast Cable Communications, LLC 4.94ms from Minneapolis, US
170.246.137.126 AS52692 CARVALHO E SILVA LTDA 3.76ms from Osasco, BR

Traceroute

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

$
traceroute -a -n -q1 -f17 121.204.219.121
traceroute to 121.204.219.121 (121.204.219.121): 64 hops max, 52 byte packets
Measurement taken from IPinfo ProbeNet in Beijing, CN
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 AS133774 at robtex.

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