Autonomous System details

AS4911

CenturyLink Communications, LLC  ·  centurylink.com

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AS4911 – CenturyLink Communications, LLC

Field Value
Country United States
Website centurylink.com
Hosted domains 0
IPv4 addresses 16,384
IPv6 addresses 0
ASN type ISP
Registry arin
Allocated 31 years ago on May 04, 1995
Updated 7 years ago on Oct 04, 2018
Netblock Company Num of IPs
168.251.0.0/18 CenturyLink Communications, LLC 16,384

There are no known IPv6 addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS4911
                                                OrgID:          AS4911
                                                ASName:         AS4911
                                                ASNumber:       AS4911
                                                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
AS209 CenturyLink Communications, LLC
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Upstreams

There is 1 peer for this ASN.

upstreams Name
AS209 CenturyLink Communications, LLC
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Downstreams

There are no downstreams for this ASN.

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Pingable IPs

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

IP Address ASN Details
168.251.3.24 AS4911 CenturyLink Communications, LLC 13.22ms from Dallas, US
168.251.47.4 AS4911 CenturyLink Communications, LLC 13.33ms from Dallas, US

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Below is a random selection of 25 IPs that replied to an ICMP ping during our most recent internet scan.

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128.138.67.143 AS104 University of Colorado at Boulder 1.80ms from Denver, US
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66.229.42.159 AS7922 Comcast Cable Communications, LLC 5.38ms from Miami, US

Traceroute

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

$
traceroute -a -n -q1 -m5 168.251.36.50
traceroute to 168.251.36.50 (168.251.36.50): 5 hops max, 52 byte packets
1 [AS140627] 103.112.0.1 0.255 ms
2 [AS140627] 103.151.64.29 109.042 ms
3 *
4 *
5 *
Measurement taken from IPinfo ProbeNet in Agana Heights Village, GU
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 AS4911 at robtex.

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