Autonomous System details

AS7151

Cologix, Inc  ·  cologix.com

United States

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AS7151 – Cologix, Inc

Field Value
Country United States
Website cologix.com
Hosted domains 1,175
IPv4 addresses 28,672
IPv6 addresses 79,228,162,514,264,337,593,543,950,336
ASN type Hosting
Registry arin
Allocated 30 years ago on Sep 20, 1996
Updated 10 months ago on May 07, 2025

IP Ranges

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

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                                                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 1,175 domain names hosted across 157 IP addresses on this ASN.

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IP Address Domain Domains on this IP
72.20.123.60 ██████████ 632
72.20.110.40 ██████████ 147
72.20.107.180 ██████████ 48
72.20.123.54 ██████████ 36
72.20.110.193 ██████████ 21
209.128.123.196 ██████████ 13
209.128.78.139 ██████████ 11
72.20.110.50 ██████████ 11
72.172.189.69 ██████████ 9
72.172.186.49 ██████████ 8

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Peers

There are 4 peers for this ASN.

Peers Name
AS1239 Cogent Communications, LLC
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
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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
209.128.65.46 AS7151 Cologix, Inc 0.83ms from San Jose, US
72.20.107.162 AS7151 Cologix, Inc 0.96ms from San Jose, US
209.128.72.66 AS7151 Cologix, Inc 1.00ms from San Jose, US
72.20.112.246 AS7151 Cologix, Inc 0.77ms from San Jose, US
209.128.112.76 AS7151 Cologix, Inc 1.32ms from San Jose, US
209.128.88.244 AS7151 Cologix, Inc 0.92ms from San Jose, US
2607:fce0:0:4::3 AS7151 Cologix, Inc 1.50ms from San Jose, US
209.128.67.9 AS7151 Cologix, Inc 1.54ms from San Jose, US
209.128.64.36 AS7151 Cologix, Inc 1.02ms from San Jose, US
72.172.189.99 AS7151 Cologix, Inc 1.20ms from San Jose, US
209.128.87.14 AS7151 Cologix, Inc 1.70ms from San Jose, US
72.172.185.186 AS7151 Cologix, Inc 0.94ms from Santa Clara, US
72.20.98.146 AS7151 Cologix, Inc 0.83ms from San Jose, US
72.20.100.8 AS7151 Cologix, Inc 1.06ms from San Jose, US
72.20.121.96 AS7151 Cologix, Inc 1.15ms from San Jose, US
72.20.106.193 AS7151 Cologix, Inc 1.54ms from San Jose, US
209.128.100.206 AS7151 Cologix, Inc 1.60ms from San Jose, US
209.128.78.139 AS7151 Cologix, Inc 1.04ms from Santa Clara, US
209.128.95.14 AS7151 Cologix, Inc 1.74ms from San Jose, US
209.128.116.14 AS7151 Cologix, Inc 1.69ms from Santa Clara, US
72.20.109.100 AS7151 Cologix, Inc 0.86ms from San Jose, US
72.172.176.12 AS7151 Cologix, Inc 0.99ms from San Jose, US
209.128.76.100 AS7151 Cologix, Inc 1.40ms from San Jose, US
72.20.123.56 AS7151 Cologix, Inc 0.87ms from Santa Clara, US
72.172.186.11 AS7151 Cologix, Inc 0.93ms 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
35.81.219.111 AS16509 Amazon.com, Inc. 0.20ms from Boardman, US
98.217.190.31 AS7922 Comcast Cable Communications, LLC 6.10ms from Boston, US
154.16.145.191 AS14670 WHG Hosting Services Ltd 0.17ms from Buffalo, US
117.241.190.63 AS9829 National Internet Backbone 6.85ms from Delhi, IN
86.45.107.63 AS5466 Eircom Limited 4.98ms from Dublin, IE
185.255.80.31 AS57395 synaforce GmbH 9.34ms from Frankfurt am Main, DE
76.88.123.79 AS20001 Charter Communications Inc 4.42ms from Los Angeles, US
68.168.25.15 AS40065 CNSERVERS LLC 0.33ms from Los Angeles, US
34.1.180.191 AS19527 Google LLC 0.10ms from Melbourne, AU
188.219.109.255 AS30722 Fastweb SpA 11.03ms from Milan, IT
35.183.123.15 AS16509 Amazon.com, Inc. 0.68ms from Montreal, CA
114.221.238.143 AS4134 CHINANET-BACKBONE 1.81ms from Nanjing, CN
200.158.36.47 AS27699 TELEFÔNICA BRASIL S.A 2.25ms from Osasco, BR
125.181.51.79 AS17858 LG POWERCOMM 2.40ms from Seoul, KR
118.56.61.31 AS4766 Korea Telecom 6.58ms from Seoul, KR
1.237.187.31 AS9318 SK Broadband Co Ltd 1.57ms from Seoul, KR
219.120.166.31 AS17506 ARTERIA Networks Corporation 2.13ms from Tokyo, JP
104.45.185.207 AS8075 Microsoft Corporation 0.41ms from Ashburn, US
54.230.250.207 AS16509 Amazon.com, Inc. 0.22ms from Atlanta, US
81.165.231.79 AS6848 Telenet BV 9.88ms from Brussels, BE
97.224.27.223 AS6167 Verizon Business 15.44ms from Chicago, US
97.245.81.143 AS6167 Verizon Business 10.60ms from Dallas, US
68.49.176.143 AS7922 Comcast Cable Communications, LLC 8.15ms from Flint, US
218.9.250.239 AS4837 CHINA UNICOM China169 Backbone 3.12ms from Harbin, CN
91.189.133.143 AS35602 OMEGA-GROUP LLC 8.92ms from Kyiv, UA

Traceroute

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

$
traceroute -a -n -q1 -f2 -m6 72.20.126.139
traceroute to 72.20.126.139 (72.20.126.139): 6 hops max, 52 byte packets
2 [AS58061] 38.180.36.1 0.258 ms
4 *
5 *
6 *
Measurement taken from IPinfo ProbeNet in Almaty, KZ
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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