AS number details

AS4991

Cogent Communications, LLC  ·  cogentco.com

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AS4991 – Cogent Communications, LLC

Field Value
Country United States
Website cogentco.com
Hosted domains 0
Number of IPv4 0
Number of IPv6 0
ASN type Inactive
Registry arin
Allocated 30 years ago on May 31, 1995
Updated 8 days ago on Sep 23, 2025

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS4991
                                                OrgID:          AS4991
                                                ASName:         AS4991
                                                ASNumber:       AS4991
                                                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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Useful for Cybersecurity

Peers

There is 1 peer for this ASN.

Peers Name
AS54054 Deteque
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS54054 Deteque
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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.

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221.188.76.31 AS4713 NTT Communications Corporation 15.75ms from Tokyo, JP
105.106.1.239 AS36947 Telecom Algeria 12.24ms from Tunis, TN
115.124.112.15 AS45815 ESDS Software Solution Limited. 0.94ms from Bengaluru, IN
71.184.250.31 AS701 Verizon Business 1.18ms from Boston, US
195.225.86.255 AS8423 NetcoRR 0.75ms from Bucharest, RO
84.138.58.31 AS3320 Deutsche Telekom AG 6.02ms from Frankfurt am Main, DE

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 AS4991 at robtex.

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