AS number details

AS21524

Parsons Brinckerhoff Inc.  ·  pbworld.com

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AS21524 – Parsons Brinckerhoff Inc.

Field Value
Country United States
Website pbworld.com
Hosted domains 0
Number of IPv4 0
Number of IPv6 0
ASN type Inactive
Registry arin
Allocated 18 years ago on Sep 11, 2007
Updated 6 years ago on Feb 25, 2019

IP Ranges

There are no known IP addresses belonging to this network

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WHOIS Details


                                                ASHandle:       AS21524
                                                OrgID:          AS21524
                                                ASName:         AS21524
                                                ASNumber:       AS21524
                                                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 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.

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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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104.158.24.228 AS54198 Videotron Ltee 1.34ms from Toronto, CA
192.139.220.228 AS819 LARG*net London and Region Global Computer Network 4.65ms from Toronto, CA
61.54.48.116 AS4837 CHINA UNICOM China169 Backbone 4.81ms from Zhengzhou, CN
20.238.193.228 AS8075 Microsoft Corporation 0.24ms from Amsterdam, NL
175.6.138.180 AS63835 CT-HuNan-Changsha-IDC 0.31ms from Changsha, CN
98.27.136.68 AS10796 Charter Communications Inc 10.37ms from Flint, US
202.36.135.36 AS17542 The New Zealand Institute for Plant and Food Research 1.10ms from Hamilton, NZ

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 AS21524 at robtex.

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