Autonomous System details

AS7151

Cologix, Inc  ·  cologix.com

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AS7151 – Cologix, Inc

Field Value
Country United States
Website cologix.com
Hosted domains 1,205
IPv4 addresses 28,672
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Hosting
Registry arin
Allocated 29 years ago on Sep 20, 1996
Updated 7 months ago on May 07, 2025
Netblock Company Num of IPs
209.128.64.0/18 Cologix, Inc 16,384
72.20.96.0/19 Cologix, Inc 8,192
209.128.64.0/19 Cologix, Inc 8,192
209.128.96.0/19 Cologix, Inc 8,192
72.172.176.0/20 Cologix, Inc 4,096
Netblock Company
2607:fce0::/32 Cologix, Inc
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WHOIS Details


                                                ASHandle:       AS7151
                                                OrgID:          AS7151
                                                ASName:         AS7151
                                                ASNumber:       AS7151
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

                                            
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Hosted Domains

There are 1,205 domain names hosted across 157 IP addresses on this ASN.

IP Address Domain Domains on this IP
72.20.123.60 ██████████ 656
72.20.110.40 ██████████ 148
72.20.107.180 ██████████ 49
72.20.123.54 ██████████ 35
72.20.110.193 ██████████ 22
209.128.123.196 ██████████ 13
72.20.110.50 ██████████ 12
209.128.78.139 ██████████ 10
72.172.189.69 ██████████ 9
72.172.186.49 ██████████ 8

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Useful for Cybersecurity

Peers

There are 3 peers for this ASN.

Peers Name
AS17109 Calitech
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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Upstreams

There are 2 upstreams for this ASN.

upstreams Name
AS174 Cogent Communications, LLC
AS6461 Zayo Bandwidth
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
AS17109 Calitech
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Pingable IPs

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

IP Address ASN Details
72.172.185.28 AS7151 Cologix, Inc 0.97ms from San Jose, US
2607:fce0:0:4::3 AS7151 Cologix, Inc 1.50ms from San Jose, US
209.128.112.70 AS7151 Cologix, Inc 1.28ms from San Jose, US
72.172.186.163 AS7151 Cologix, Inc 0.95ms from Santa Clara, US
72.20.121.124 AS7151 Cologix, Inc 0.95ms from Santa Clara, US
209.128.64.46 AS7151 Cologix, Inc 1.02ms from San Jose, US
209.128.116.14 AS7151 Cologix, Inc 1.60ms from Santa Clara, US
72.20.107.162 AS7151 Cologix, Inc 1.01ms from San Jose, US
209.128.111.225 AS7151 Cologix, Inc 1.11ms from Santa Clara, US
72.172.191.10 AS7151 Cologix, Inc 0.99ms from San Jose, US
209.128.67.9 AS7151 Cologix, Inc 1.54ms from San Jose, US
72.20.106.194 AS7151 Cologix, Inc 1.57ms from Santa Clara, US
209.128.65.58 AS7151 Cologix, Inc 0.86ms from San Jose, US
72.20.109.100 AS7151 Cologix, Inc 1.00ms from San Jose, US
72.20.123.54 AS7151 Cologix, Inc 0.92ms from San Jose, US
72.172.176.15 AS7151 Cologix, Inc 1.02ms from San Jose, US
209.128.88.244 AS7151 Cologix, Inc 0.86ms from San Jose, US
209.128.72.66 AS7151 Cologix, Inc 0.98ms from San Jose, US
209.128.87.14 AS7151 Cologix, Inc 1.41ms from Santa Clara, US
72.20.112.246 AS7151 Cologix, Inc 0.92ms from San Jose, US
209.128.95.14 AS7151 Cologix, Inc 1.50ms from San Jose, US
209.128.78.138 AS7151 Cologix, Inc 1.05ms from San Jose, US
72.172.189.109 AS7151 Cologix, Inc 1.23ms from San Jose, US
72.20.98.146 AS7151 Cologix, Inc 0.83ms from San Jose, US
209.128.76.100 AS7151 Cologix, Inc 1.34ms from San Jose, US

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
98.50.12.111 AS7922 Comcast Cable Communications, LLC 9.53ms from Denver, US
103.145.4.159 AS135905 VIETNAM POSTS AND TELECOMMUNICATIONS GROUP 0.79ms from Hanoi, VN
27.71.36.47 AS7552 Viettel Group 1.85ms from Hanoi, VN
99.107.118.207 AS7018 AT&T Enterprises, LLC 4.10ms from Houston, US
86.149.201.255 AS2856 British Telecommunications PLC 4.50ms from London, GB
51.48.208.159 AS16509 Amazon.com, Inc. 5.64ms from Madrid, ES
87.28.16.255 AS3269 Telecom Italia S.p.A. 2.23ms from Milan, IT
115.40.22.239 AS9845 LG HelloVision Corp. 11.47ms from Seoul, KR
47.241.53.255 AS45102 Alibaba (US) Technology Co., Ltd. 1.41ms from Singapore, SG
221.191.19.175 AS4713 NTT DOCOMO BUSINESS,Inc. 15.99ms from Tokyo, JP
37.202.85.127 AS8376 Jordan Data Communications Company LLC 5.06ms from Amman, JO
98.10.135.63 AS11351 Charter Communications Inc 18.02ms from Chicago, US
177.200.10.159 AS52775 TecleNet Solucoes Tecnologicas 6.89ms from Curitiba, BR
176.250.129.111 AS5607 Sky UK Limited 5.53ms from Erith, GB
18.192.95.31 AS16509 Amazon.com, Inc. 0.13ms from Frankfurt am Main, DE
72.130.109.15 AS20001 Charter Communications Inc 9.27ms from Honolulu, US
34.238.250.239 AS14618 Amazon.com, Inc. 0.40ms from Reston, US
59.98.190.239 AS9829 National Internet Backbone 8.63ms from Saint Thomas Mount, IN
218.173.141.239 AS3462 Data Communication Business Group 4.81ms from Taichung, TW
124.166.169.127 AS4837 CHINA UNICOM China169 Backbone 4.78ms from Taiyuan, CN
104.17.166.79 AS13335 Cloudflare, Inc. 0.11ms from Wrocław, PL
109.196.138.223 AS61431 TELECOMMUNICATION COMPANY KAMA - LINK LLC. 11.31ms from Yekaterinburg, RU
20.101.209.191 AS8075 Microsoft Corporation 0.26ms from Amsterdam, NL
203.17.31.255 AS10215 Microland Limited. IT Infra Service Provider. India 0.58ms from Bengaluru, IN
190.50.114.127 AS22927 Telefonica de Argentina 9.91ms from Buenos Aires, AR

Traceroute

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

$
traceroute -a -n -q1 -m8 72.20.108.143
traceroute to 72.20.108.143 (72.20.108.143): 8 hops max, 52 byte packets
1 [AS15169] 142.251.49.8 123.129 ms
2 *
3 *
4 *
5 [AS6461] 64.125.30.19 161.686 ms
6 *
7 *
8 *
Measurement taken from IPinfo ProbeNet in Chang-hua, 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 AS7151 at robtex.

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