Autonomous System details

AS12213

Centersquare · centersquaredc.com

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AS12213 – Centersquare

Field	Value
Country	United States
Website	centersquaredc.com
Hosted domains	1,570
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	6 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 1,570 domain names hosted across 183 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	██████████	29
131.226.205.10	██████████	17
131.226.202.20	██████████	15
149.137.255.7	██████████	15
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
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
AS33609	Winston Brands, 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
AS49544	i3D.net B.V
AS53736	Nutanix
AS54766	Hilton Resorts Corporation
AS62224	Bullhorn, International Limited
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 40 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
AS33609	Winston Brands, 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
AS62224	Bullhorn, International Limited

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
24.170.129.133	AS12213 Centersquare	`0.59ms` from Atlanta, US
24.170.132.47	AS12213 Centersquare	`0.95ms` from Chicago, US
149.137.194.30	AS12213 Centersquare	`0.92ms` from Dallas, US
91.132.71.251	AS12213 Centersquare	`1.80ms` from London, GB
91.132.69.20	AS12213 Centersquare	`1.76ms` from London, GB
149.137.217.3	AS12213 Centersquare	`1.91ms` from London, GB
149.137.226.1	AS12213 Centersquare	`1.32ms` from Toronto, CA
24.170.140.4	AS12213 Centersquare	`1.29ms` from Toronto, CA
131.226.194.140	AS12213 Centersquare	`1.18ms` from Dallas, US
149.137.248.254	AS12213 Centersquare	`1.72ms` from London, GB
131.226.225.104	AS12213 Centersquare	`0.53ms` from Phoenix, US
149.137.228.60	AS12213 Centersquare	`0.89ms` from Seattle, US
131.226.243.28	AS12213 Centersquare	`0.59ms` from Atlanta, US
149.137.240.86	AS12213 Centersquare	`9.70ms` from Chicago, US
2604:7ac0:d00::5	AS12213 Centersquare	`0.91ms` from Denver, US
149.137.251.254	AS12213 Centersquare	`1.82ms` from London, GB
131.226.205.8	AS12213 Centersquare	`0.80ms` from Ashburn, US
131.226.240.69	AS12213 Centersquare	`0.67ms` from Atlanta, US
24.170.150.36	AS12213 Centersquare	`1.59ms` from Los Angeles, US
149.137.244.37	AS12213 Centersquare	`1.42ms` from Los Angeles, US
131.226.254.129	AS12213 Centersquare	`1.62ms` from Los Angeles, US
131.226.216.228	AS12213 Centersquare	`0.57ms` from San Jose, US
131.226.210.60	AS12213 Centersquare	`0.69ms` from Secaucus, US
2604:7ac0:e00::82	AS12213 Centersquare	`1.41ms` from Toronto, CA
149.137.202.1	AS12213 Centersquare	`1.18ms` from Ashburn, 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
86.93.104.165	AS1136 KPN B.V.	`1.09ms` from Amsterdam, NL
184.191.223.5	AS22773 Cox Communications Inc.	`2.88ms` from Atlanta, US
177.92.139.85	AS263124 ZAP TELECOMUNICAÇÕES LTDA - EPP	`17.13ms` from Brasilia, BR
52.162.0.149	AS8075 Microsoft Corporation	`0.60ms` from Chicago, US
91.74.101.37	AS15802 Emirates Integrated Telecommunications Company PJSC	`2.96ms` from Dubai, AE
58.249.137.149	AS17622 China Unicom Guangzhou network	`5.91ms` from Guangzhou, CN
39.171.211.117	AS56041 China Mobile communications corporation	`4.49ms` from Hangzhou, CN
88.238.76.181	AS9121 Turk Telekomunikasyon Anonim Sirketi	`2.22ms` from Istanbul, TR
176.132.122.213	AS5410 Bouygues Telecom SA	`7.98ms` from Marseille, FR
202.150.55.101	AS18126 Chubu Telecommunications Company, Inc.	`4.25ms` from Osaka, JP
202.143.206.197	AS23786 San-in Cable Vision CO.,LTD	`8.80ms` from Osaka, JP
88.91.91.133	AS2119 Telenor Norge AS	`10.49ms` from Oslo, NO
24.45.155.229	AS6128 Cablevision Systems Corp.	`4.58ms` from Piscataway, US
148.245.70.5	AS6503 Axtel, S.A.B. de C.V.	`5.30ms` from Santiago de Queretaro, MX
119.65.92.117	AS17858 LG POWERCOMM	`2.36ms` from Seoul, KR
152.42.206.133	AS14061 DigitalOcean, LLC	`0.20ms` from Singapore, SG
178.183.96.101	AS12912 T-Mobile Polska S.A.	`11.76ms` from Warsaw, PL
95.59.195.149	AS9198 JSC Kazakhtelecom	`2.16ms` from Almaty, KZ
200.61.239.133	AS27727 Consultronic S.A.E.C.A.	`13.87ms` from Asuncion, PY
202.108.65.53	AS4808 China Unicom Beijing Province Network	`3.20ms` from Beijing, CN
44.231.101.37	AS16509 Amazon.com, Inc.	`0.17ms` from Boardman, US
102.216.1.149	AS329062 Baremetal Computer Traders	`0.87ms` from Cape Town, ZA
68.50.57.133	AS7922 Comcast Cable Communications, LLC	`10.18ms` from Chicago, US
143.14.11.5	AS58212 dataforest GmbH	`0.58ms` from Frankfurt am Main, DE
47.90.96.245	AS45102 Alibaba (US) Technology Co., Ltd.	`0.65ms` from Hong Kong, HK

Traceroute

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

traceroute -a -n -q1 -f5 149.137.231.244

traceroute to 149.137.231.244 (149.137.231.244): 64 hops max, 52 byte packets

5 [AS3356] 8.242.3.93 2.726 ms

6 [AS3356] 4.69.160.73 177.23 ms

7 [AS12213] 149.137.231.244 176.034 ms

Measurement taken from

IPinfo ProbeNet in Belo Horizonte, BR

On January 18th 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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