Autonomous System details

AS12213

Centersquare · centersquaredc.com

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AS12213 – Centersquare

Field	Value
Country	United States
Website	centersquaredc.com
Hosted domains	1,548
IPv4 addresses	41,472
IPv6 addresses	4,642,275,147,320,176,030,871,715,840
ASN type	Hosting
Registry	arin
Allocated	8 years ago on Oct 20, 2017
Updated	8 months ago on Jul 22, 2025

Netblock	Company	Num of IPs
131.226.192.0/21	Amentum Services, Inc.	2,048
131.226.200.0/21	Centersquare	2,048
131.226.208.0/21	Centersquare	2,048
131.226.216.0/21	Cisco Systems, Inc. - SFO	2,048
131.226.232.0/21	ACCENTURE LLP	2,048
149.137.192.0/21	Centersquare	2,048
149.137.200.0/21	Centersquare	2,048
208.67.48.0/21	En Masse Entertainment Inc.	2,048
24.170.128.0/22	Centersquare	1,024
24.170.132.0/22	Trapeze Software ULC	1,024
24.170.136.0/22	Denver PC Tech, LLC	1,024
24.170.140.0/22	Mazzzing Inc.	1,024
24.170.144.0/22	Micro Support Group Inc	1,024
24.170.148.0/22	Altametrics LLC - BAN (10098)	1,024
91.132.68.0/22	Cyxtera Technology UK Limited	1,024
131.226.224.0/22	Diamond Resorts Centralized Services Company	1,024
131.226.240.0/22	Centersquare	1,024
131.226.244.0/22	Experian Information Solutions	1,024
131.226.248.0/22	ORANGE COUNTY COMPUTER INC	1,024
131.226.252.0/22	ADIM Technologies	1,024
149.137.216.0/22	Cyxtera Technology UK Limited	1,024
149.137.220.0/22	Cetrom Information Technology, Inc.	1,024
149.137.224.0/22	Kisp Inc.	1,024
149.137.228.0/22	Centersquare	1,024
149.137.232.0/22	Fort Austin Consulting Group LLC	1,024
149.137.236.0/22	FINTECH	1,024
149.137.240.0/22	Centersquare	1,024
149.137.244.0/22	Cato Digital Inc	1,024
149.137.248.0/22	Cyxtera Technology UK Limited	1,024
149.137.252.0/22	MedRisk, LLC	1,024
193.93.84.0/22	Bell Microsystems Ltd	1,024
24.170.154.0/23	Centersquare	512
74.80.242.0/24	Moboware Inc.	256
74.80.248.0/24	Moboware Inc.	256
151.242.102.0/24	Adaptive Computing	256
185.143.78.0/24	Merkle EOOD	256

Netblock	Company
2604:7ac0::/40	Centersquare
2604:7ac0:100::/40	Centersquare
2604:7ac0:200::/40	Centersquare
2604:7ac0:300::/40	Centersquare
2604:7ac0:400::/40	Centersquare
2604:7ac0:500::/40	Centersquare
2604:7ac0:600::/40	Centersquare
2604:7ac0:700::/40	Centersquare
2604:7ac0:800::/40	Centersquare
2604:7ac0:d00::/40	Centersquare
2604:7ac0:e00::/40	Centersquare
2604:7ac0:f00::/40	Centersquare
2604:7ac0:1000::/40	Centersquare
2604:7ac0:1100::/40	Centersquare
2a09:bf80::/40	Cyxtera Technology UK Limited

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WHOIS Details

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                                                ASHandle:       AS12213
                                                OrgID:          AS12213
                                                ASName:         AS12213
                                                ASNumber:       AS12213
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,548 domain names hosted across 177 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
131.226.255.203	██████████	925
131.226.235.201	██████████	64
131.226.248.152	██████████	54
149.137.240.62	██████████	41
131.226.203.44	██████████	35
131.226.206.62	██████████	30
149.137.255.7	██████████	15
131.226.202.20	██████████	15
131.226.206.180	██████████	13
149.137.255.19	██████████	13

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Hosted Domains API & Database

Peers

There are 53 peers for this ASN.

Peers	Name
AS10493	Grand Central Networks Inc.
AS11775	Semina Tempus, LLC
AS1239	Cogent Communications, LLC
AS13690	American Medical Response, Inc.
AS137409	GSL Networks Pty LTD
AS1379	SINCH INTERCONNECT LLC
AS14016	Capcon Networks
AS14132	Blue Matrix I LLC
AS15248	Metaswitch Networks Corp.
AS16910	Farm Credit Financial Partners, Inc.
AS174	Cogent Communications, LLC
AS18584	Ankura Consulting Group LLC
AS18679	internet4associations
AS19151	BroadbandONE, LLC
AS197594	Redstor Limited
AS199524	G-Core Labs S.A.
AS20201	Caryco Tech
AS205826	CONTENTHOST LIMITED
AS21701	Merative US L.P.
AS23280	Venn Technology Corp
AS25091	IP-Max SA
AS25997	O'Melveny & Myers LLP
AS26584	VERTAFORE, INC
AS26842	MFXCHANGE US, INC
AS2734	CoreSite
AS29802	HIVELOCITY, Inc.
AS29971	iControl Systems USA LLC
AS30031	Mimecast North America Inc
AS32590	Valve Corporation
AS3356	Level 3 Parent, LLC
AS3549	Level 3 Parent, LLC
AS3573	Accenture LLP
AS393548	AbriaCloud Technologies
AS394880	e-Emphasys Technologies Inc
AS396002	TeleVoIPs
AS396104	Karma Automotive, LLC
AS396163	My Digital Shield, Inc.
AS396252	CYBERANNEX CORPORATION
AS396333	Cywest Communications, Inc.
AS398014	Centersquare
AS398172	Sirius XM Connected Vehicle Services Inc.
AS398863	White Cap Construction Supply
AS399321	Defend Edge
AS401208	Ephron, Inc.
AS401577	StrataCare Solutions LLC
AS40261	Merced Systems, Inc.
AS40372	Schweser
AS49544	i3D.net B.V
AS53736	Nutanix
AS54766	Hilton Resorts Corporation
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC
AS7018	AT&T Enterprises, LLC

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ASN API & Database

Upstreams

There are 5 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS3356	Level 3 Parent, LLC
AS6461	Zayo Bandwidth
AS6939	Hurricane Electric LLC
AS7018	AT&T Enterprises, LLC

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Downstreams

There are 38 downstreams for this ASN.

Downstreams	Name
AS10493	Grand Central Networks Inc.
AS11775	Semina Tempus, LLC
AS13690	American Medical Response, Inc.
AS1379	SINCH INTERCONNECT LLC
AS14132	Blue Matrix I LLC
AS15248	Metaswitch Networks Corp.
AS16910	Farm Credit Financial Partners, Inc.
AS18584	Ankura Consulting Group LLC
AS18679	internet4associations
AS197594	Redstor Limited
AS20201	Caryco Tech
AS205826	CONTENTHOST LIMITED
AS21701	Merative US L.P.
AS23280	Venn Technology Corp
AS25997	O'Melveny & Myers LLP
AS26584	VERTAFORE, INC
AS26842	MFXCHANGE US, INC
AS29802	HIVELOCITY, Inc.
AS29971	iControl Systems USA LLC
AS30031	Mimecast North America Inc
AS3573	Accenture LLP
AS393548	AbriaCloud Technologies
AS394880	e-Emphasys Technologies Inc
AS396002	TeleVoIPs
AS396104	Karma Automotive, LLC
AS396163	My Digital Shield, Inc.
AS396252	CYBERANNEX CORPORATION
AS396333	Cywest Communications, Inc.
AS398014	Centersquare
AS398172	Sirius XM Connected Vehicle Services Inc.
AS398863	White Cap Construction Supply
AS399321	Defend Edge
AS401208	Ephron, Inc.
AS401577	StrataCare Solutions LLC
AS40261	Merced Systems, Inc.
AS40372	Schweser
AS53736	Nutanix
AS54766	Hilton Resorts Corporation

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
149.137.217.1	AS12213 Centersquare	`1.97ms` from London, GB
91.132.69.110	AS12213 Centersquare	`1.72ms` from London, GB
24.170.154.1	AS12213 Centersquare	`1.98ms` from London, GB
24.170.150.42	AS12213 Centersquare	`1.59ms` from Los Angeles, US
149.137.244.37	AS12213 Centersquare	`1.39ms` from Los Angeles, US
74.80.248.117	AS12213 Centersquare	`1.63ms` from Los Angeles, US
149.137.238.92	AS12213 Centersquare	`6.46ms` from Miami, US
131.226.208.196	AS12213 Centersquare	`0.85ms` from Secaucus, US
131.226.209.140	AS12213 Centersquare	`0.75ms` from Secaucus, US
149.137.225.141	AS12213 Centersquare	`1.20ms` from Toronto, CA
131.226.205.225	AS12213 Centersquare	`1.24ms` from Ashburn, US
131.226.246.89	AS12213 Centersquare	`1.15ms` from Boston, US
24.170.133.50	AS12213 Centersquare	`0.45ms` from Chicago, US
131.226.194.225	AS12213 Centersquare	`1.22ms` from Dallas, US
2a09:bf80:1::9	AS12213 Centersquare	`1.96ms` from London, GB
149.137.227.1	AS12213 Centersquare	`1.35ms` from Toronto, CA
149.137.205.3	AS12213 Centersquare	`1.29ms` from Ashburn, US
131.226.227.246	AS12213 Centersquare	`1.86ms` from Phoenix, US
2604:7ac0:200::92	AS12213 Centersquare	`0.74ms` from San Jose, US
149.137.204.46	AS12213 Centersquare	`1.23ms` from Ashburn, US
131.226.235.135	AS12213 Centersquare	`0.41ms` from Chicago, US
149.137.220.110	AS12213 Centersquare	`0.64ms` from Denver, US
131.226.253.50	AS12213 Centersquare	`1.42ms` from Los Angeles, US
74.80.242.123	AS12213 Centersquare	`1.85ms` from Los Angeles, US
24.170.134.137	AS12213 Centersquare	`1.28ms` from Chicago, 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
202.108.65.53	AS4808 China Unicom Beijing Province Network	`3.09ms` from Beijing, CN
181.88.74.5	AS7303 Telecom Argentina S.A.	`0.24ms` from Cordoba, AR
61.95.141.21	AS9498 BHARTI Airtel Ltd.	`1.35ms` from Delhi, IN
63.181.21.213	AS16509 Amazon.com, Inc.	`0.14ms` from Frankfurt am Main, DE
110.76.186.101	AS58519 Cloud Computing Corporation	`0.74ms` from Hohhot, CN
114.5.202.197	AS4761 INDOSAT Internet Network Provider	`7.08ms` from Jakarta, ID
95.154.211.133	AS20860 IOMART CLOUD SERVICES LIMITED	`0.32ms` from Maidenhead, GB
97.133.218.165	AS6167 Verizon Business	`13.12ms` from Morris Plains, US
98.232.158.245	AS7922 Comcast Cable Communications, LLC	`7.37ms` from Portland, US
128.187.208.85	AS6510 Brigham Young University	`2.33ms` from Salt Lake City, US
95.34.33.21	AS2119 Telenor Norge AS	`10.52ms` from Sandefjord, NO
148.245.70.5	AS6503 Axtel, S.A.B. de C.V.	`5.33ms` from Santiago de Queretaro, MX
177.190.207.149	AS262731 CTINET SOLUCOES EM CONECTIVIDADE E INFORMATICA LTD	`0.24ms` from Sao Paulo, BR
15.134.164.165	AS16509 Amazon.com, Inc.	`0.11ms` from Sydney, AU
35.244.73.181	AS396982 Google LLC	`0.11ms` from Sydney, AU
35.194.100.69	AS396982 Google LLC	`0.15ms` from Tokyo, JP
35.236.246.181	AS396982 Google LLC	`0.13ms` from Ashburn, US
128.1.129.5	AS21859 Zenlayer Inc	`0.35ms` from Buenos Aires, AR
67.175.195.21	AS7922 Comcast Cable Communications, LLC	`5.29ms` from Chicago, US
204.210.185.229	AS10796 Charter Communications Inc	`17.64ms` from Columbus, US
84.119.67.133	AS3209 Vodafone GmbH	`7.81ms` from Duesseldorf, DE
91.23.149.85	AS3320 Deutsche Telekom AG	`2.29ms` from Duesseldorf, DE
85.224.151.133	AS8434 Telenor Sverige AB	`2.63ms` from Goeteborg, SE
219.76.199.229	AS4515 PCCW IMS Ltd (PCCW Business Internet Access)	`2.58ms` from Hong Kong, HK
109.144.33.37	AS2856 British Telecommunications PLC	`1.02ms` from London, GB

Traceroute

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

traceroute -a -n -q1 -f2 131.226.202.193

traceroute to 131.226.202.193 (131.226.202.193): 64 hops max, 52 byte packets

2 [AS6461] 209.249.133.41 2.081 ms

3 *

4 [AS6461] 64.125.25.129 0.894 ms

5 [AS12213] 131.226.202.193 1.552 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On March 5th 2026

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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 AS12213 at robtex.

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