Autonomous System details

AS3643

Cogent Communications, LLC · cogentco.com

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AS3643 – Cogent Communications, LLC

Field	Value
Country	United States
Website	cogentco.com
Hosted domains	0
IPv4 addresses	0
IPv6 addresses	0
ASN type	Inactive
Registry	arin
Allocated	32 years ago on Jun 03, 1994
Updated	4 months ago on Dec 23, 2025

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details

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                                                ASHandle:       AS3643
                                                OrgID:          AS3643
                                                ASName:         AS3643
                                                ASNumber:       AS3643
                                                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 no peers for this ASN.

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Upstreams

There are no upstreams for this ASN.

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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

No IPs in this ASN replied to an ICMP ping during our most recent internet scan. Learn more.

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
76.97.227.123	AS7922 Comcast Cable Communications, LLC	`4.50ms` from Atlanta, US
73.186.28.11	AS7922 Comcast Cable Communications, LLC	`8.89ms` from Boston, US
112.44.46.91	AS9808 China Mobile Communications Group Co., Ltd.	`8.21ms` from Chengdu, CN
75.211.16.251	AS6167 Verizon Business	`15.78ms` from Chicago, US
154.208.198.203	AS17561 LARUS Limited	`0.75ms` from Hong Kong, HK
98.176.125.139	AS22773 Cox Communications Inc.	`4.67ms` from Los Angeles, US
104.42.41.171	AS8075 Microsoft Corporation	`0.57ms` from San Jose, US
191.252.40.75	AS27715 Locaweb Serviços de Internet S/A	`0.57ms` from Sao Paulo, BR
222.108.92.251	AS4766 Korea Telecom	`1.09ms` from Seoul, KR
8.214.4.187	AS45102 Alibaba (US) Technology Co., Ltd.	`0.90ms` from Singapore, SG
212.151.148.27	AS1257 Tele2 Sverige AB	`4.71ms` from Stockholm, SE
2.49.70.27	AS5384 Emirates Internet	`2.95ms` from Al Fujairah City, AE
117.247.163.251	AS9829 National Internet Backbone	`1.66ms` from Chennai, IN
75.185.110.123	AS10796 Charter Communications Inc	`12.53ms` from Columbus, US
61.154.42.171	AS4134 CHINANET BACKBONE	`5.91ms` from Fuzhou, CN
1.95.197.75	AS55990 Huawei Cloud Service data center	`1.25ms` from Guiyang, CN
14.234.184.91	AS45899 VNPT Corp	`4.63ms` from Ho Chi Minh City, VN
27.79.5.187	AS7552 Viettel Group	`9.03ms` from Ho Chi Minh City, VN
112.166.220.155	AS4766 Korea Telecom	`5.69ms` from Seoul, KR
203.57.207.251	AS24110 IVE GROUP AUSTRALIA PTY LTD	`0.22ms` from Sydney, AU
124.219.220.155	AS2527 Sony Network Communications Inc.	`2.32ms` from Tokyo, JP
46.48.62.107	AS12668 LLC KomTehCentr	`0.98ms` from Yekaterinburg, RU
188.155.230.75	AS6730 Sunrise GmbH	`2.17ms` from Zuerich, CH
37.202.110.219	AS8376 Jordan Data Communications Company LLC	`1.64ms` from Amman, JO
41.38.68.11	AS8452 TE-AS	`3.11ms` from Cairo, EG

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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 AS3643 at robtex.

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