AS2734 CoreSite details

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AS2734 – CoreSite

Field	Value
Country	United States
Website	coresite.com
Hosted domains	576
Number of IPv4	48,128
Number of IPv6	133,708,404,575,197,601,351,677,771,776
ASN type	Hosting
Registry	arin
Allocated	16 years ago on Sep 01, 2009
Updated	13 years ago on Mar 02, 2012

Netblock	Company	Num of IPs
142.255.192.0/18	CoreSite	16,384
208.77.96.0/21	CoreSite	2,048
208.84.144.0/21	CoreSite	2,048
66.35.72.0/21	CoreSite	2,048
66.35.88.0/21	CoreSite	2,048
199.119.180.0/22	CoreSite	1,024
204.9.200.0/22	U.S. COLO, LLC	1,024
208.74.72.0/22	U.S. COLO, LLC	1,024
66.128.148.0/22	CoreSite	1,024
66.128.156.0/22	CoreSite	1,024
66.35.68.0/22	Managed Hosting Services	1,024
98.158.144.0/22	U.S. COLO, LLC	1,024
98.158.152.0/22	U.S. COLO, LLC	1,024
192.34.20.0/23	U.S. COLO, LLC	512
192.34.22.0/23	U.S. COLO, LLC	512
199.197.10.0/23	U.S. COLO, LLC	512
208.64.252.0/23	U.S. COLO, LLC	512
208.64.254.0/23	U.S. COLO, LLC	512
208.74.76.0/23	U.S. COLO, LLC	512
208.74.78.0/23	U.S. COLO, LLC	512
66.128.144.0/23	CoreSite	512
66.128.152.0/23	Private Customer	512
66.35.64.0/23	CoreSite	512
66.35.84.0/23	CoreSite	512
67.212.144.0/23	CoreSite	512
67.212.146.0/23	CoreSite	512
67.212.148.0/23	CoreSite	512
67.212.156.0/23	CoreSite	512
67.212.158.0/23	CoreSite	512
98.158.144.0/23	U.S. COLO, LLC	512
98.158.158.0/23	U.S. COLO, LLC	512
162.216.127.0/24	Gaggle	256
173.45.170.0/24	CoreSite	256
173.45.174.0/24	CoreSite	256
173.45.175.0/24	CoreSite	256
192.150.41.0/24	U.S. COLO, LLC	256
204.9.204.0/24	U.S. COLO, LLC	256
206.223.143.0/24	CoreSite	256
208.64.248.0/24	U.S. COLO, LLC	256
208.64.251.0/24	U.S. COLO, LLC	256
208.78.157.0/24	U.S. COLO, LLC	256
66.128.146.0/24	Private Customer	256
66.128.147.0/24	CoreSite	256
66.128.154.0/24	Private Customer	256
66.128.155.0/24	Private Customer	256
66.35.67.0/24	CoreSite	256
66.35.80.0/24	CoreSite	256
66.35.83.0/24	CoreSite	256
66.35.86.0/24	CoreSite	256
67.212.150.0/24	Private Customer	256
67.212.151.0/24	Private Customer	256
67.212.152.0/24	Private Customer	256
67.212.153.0/24	CoreSite	256
67.212.154.0/24	CoreSite	256
67.212.155.0/24	Private Customer	256
98.158.148.0/24	U.S. COLO, LLC	256
98.158.157.0/24	U.S. COLO, LLC	256

Netblock	Company
2607:2f80::/32	U.S. COLO, LLC
2604:3fc0:2000::/36	CoreSite
2604:3fc0:3000::/36	CoreSite
2605:6c00:1000::/36	CoreSite
2605:6c00:2000::/36	CoreSite
2605:6c00:3000::/36	CoreSite
2605:6c00:4000::/36	CoreSite
2605:6c00:5000::/36	CoreSite
2605:6c00:6000::/36	CoreSite
2605:6c00:7000::/36	CoreSite
2605:6c00:8000::/36	CoreSite
2605:6c00:a000::/36	CoreSite
2605:6c00:1::/48	CoreSite
2605:6c00:2::/48	CoreSite
2605:6c00:3::/48	CoreSite
2605:6c00:4::/48	CoreSite
2605:6c00::/48	CoreSite
2605:6c00:5::/48	CoreSite
2605:6c00:6::/48	CoreSite
2605:6c00:7::/48	CoreSite
2605:6c00:8::/48	CoreSite

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WHOIS Details

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                                                ASHandle:       AS2734
                                                OrgID:          AS2734
                                                ASName:         AS2734
                                                ASNumber:       AS2734
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 576 domain names hosted across 219 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
208.64.255.88	██████████	64
98.158.155.198	██████████	46
66.35.67.136	██████████	27
66.35.67.135	██████████	24
66.35.92.16	██████████	24
208.77.100.6	██████████	23
66.35.72.207	██████████	16
66.128.157.174	█████████	13
67.212.154.72	██████████	12
98.158.154.36	██████████	9

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Peers

There are 458 peers for this ASN.

Peers	Name
AS10111	Zeofast Network
AS10158	Kakao Corp
AS10242	US Internet Corp
AS10255	Sinister and Solitary
AS10302	SNAPPYDSL.NET
AS1031	PEER 1031 LLC
AS10310	Oath Holdings Inc.
AS10355	Digital Service Consultants
AS10367	Fibercast Corporation
AS10490	Georgia Institute of Technology
AS10578	Harvard University
AS10835	Visionary Communications LLC
AS11019	HAProxy Technologies, Inc.
AS11029	NetVata, LLC
AS11071	InfoWest
AS11096	FloridaNet
AS11123	Ultimate Internet Access, Inc
AS112	DNS-OARC
AS11232	Midcontinent Communications
AS11333	CyberTrails
AS11525	Hancock Rural Telephone Corp.
AS11711	TULAROSA COMMUNICATIONS, INC.
AS11722	Westelcom Internet, Inc.
AS11758	IRIS Networks
AS11796	Airstream Communications, LLC
AS12041	Afilias, Inc.
AS12131	Vertical Computers
AS12161	dao Consulting, LLC
AS12200	Rackspace Hosting
AS12213	Centersquare
AS12243	Waddell Solutions Group LLC
AS12276	San Francisco Metropolitan Internet Exchange (SFMIX)
AS12684	SES ASTRA S.A.
AS13150	CATO NETWORKS LTD
AS131958	Tama Cable Network Co.,Ltd.
AS13213	UK-2 Limited
AS13335	Cloudflare, Inc.
AS13415	FirstDigital Communications, LLC
AS134176	Cloudie Limited
AS13427	Softcom Internet Communications, Inc.
AS134521	Dialpad, Inc.
AS135069	Feenix Communications Limited
AS1351	University of Vermont
AS13536	FirstLight Fiber, Inc.
AS137182	BLUE WIRELESS PTE LTD
AS13727	NEXT DIMENSION INC
AS137409	GSL Networks Pty LTD
AS13760	Uniti Fiber Holdings Inc.
AS13767	DataBank Holdings, Ltd.
AS13768	Aptum Technologies
AS13786	Seabras 1 USA, LLC
AS13807	Great Plains Communications LLC
AS138398	Prodigi Technology Services Limited
AS138997	Eons Data Communications Limited
AS139341	ACE
AS13984	SD Data Center
AS14016	Capcon Networks
AS14041	University Corporation for Atmospheric Research
AS14061	DigitalOcean, LLC
AS140627	OneQode
AS141039	PacketHub S.A.
AS142111	Zhejiang Aiyun Network Technology Co Ltd
AS142601	TILLERED LIMITED
AS14277	GiGstreem
AS14340	Salesforce.com, Inc.
AS14361	HopOne Internet Corporation
AS14537	Continent 8 LLC
AS14585	CIFNet, Inc.
AS14593	Space Exploration Technologies Corporation
AS14615	Comporium, Inc
AS14773	Lancaster Lebanon Intermediate Unit 13
AS148968	Falcore Investments Pty Ltd
AS14907	Wikimedia Foundation Inc.
AS14928	Adams CATV, Inc
AS14978	Consolidated Smart Systems LLC
AS15042	Urban Communications, Inc.
AS15169	Google LLC
AS15188	Menlo, Inc.
AS15305	Syringa Networks, LLC
AS153371	BACK WAVES LIMITED
AS1547	INTERDNESTRKOM, Sovmestnoe Zakrytoe Aktsionernoe Obshchestvo
AS15695	Expereo International BV
AS16164	Sohonet Limited
AS16276	OVH SAS
AS16509	Amazon.com, Inc.
AS16552	Tiggee LLC
AS16832	Secom, Inc
AS16912	4 Less Communications, Inc.
AS17077	Broadcast Networks, LLC.
AS17210	Everywhere Wireless, LLC
AS17306	JAB Wireless, INC.
AS17378	TierPoint, LLC
AS17639	Converge ICT Solutions Inc.
AS18106	Viewqwest Pte Ltd
AS18119	ACSData
AS1820	WNET TELECOM USA Corp.
AS1828	Unitas Global
AS18403	FPT Telecom Company
AS18450	WebNX, Inc.
AS18615	Mainstream Fiber Networks, LLC

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Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS27552	TowardEX Technologies International, Inc.
AS2914	NTT America, Inc.
AS3257	GTT Communications Inc.
AS6939	Hurricane Electric LLC

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Downstreams

There are 18 downstreams for this ASN.

Downstreams	Name
AS10255	Sinister and Solitary
AS11333	CyberTrails
AS20304	Lepton Global Solutions, LLC.
AS22330	Catalina Marketing Corporation
AS22437	CoreSite
AS262415	OPEN PROCESSAMENTO DE DADOS LTDA
AS2914	NTT America, Inc.
AS29906	Westat, Inc.
AS30149	The Goldman Sachs Group, Inc.
AS3257	GTT Communications Inc.
AS397822	California Resources Corporation
AS398079	Eminent, Inc
AS400986	Adsystech, Inc.
AS46852	IMC Markets
AS54525	APPLIED GLOBAL TECHNOLOGIES, LLC
AS5651	GMLL CAPITAL MANAGEMENT LLC
AS62966	BrightEdge Technologies
AS6939	Hurricane Electric LLC

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Pingable IPs

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

IP Address	ASN	Details
199.119.183.45	AS2734 CoreSite	`4.53ms` from Jacksonville, US
66.128.159.100	AS2734 CoreSite	`0.25ms` from Los Angeles, US
66.128.146.212	AS2734 CoreSite	`0.33ms` from Miami, US
67.212.144.204	AS2734 CoreSite	`0.42ms` from New York City, US
192.34.21.156	AS2734 CoreSite	`0.28ms` from San Jose, US
66.128.155.84	AS2734 CoreSite	`0.15ms` from Denver, US
204.9.204.2	AS2734 CoreSite	`4.78ms` from Jacksonville, US
162.216.127.138	AS2734 CoreSite	`0.17ms` from Los Angeles, US
208.64.248.219	AS2734 CoreSite	`0.19ms` from Los Angeles, US
208.74.77.5	AS2734 CoreSite	`0.66ms` from New York City, US
66.35.91.50	AS2734 CoreSite	`4.52ms` from Jacksonville, US
199.197.11.129	AS2734 CoreSite	`0.75ms` from Los Angeles, US
67.212.159.20	AS2734 CoreSite	`0.39ms` from New York City, US
98.158.154.4	AS2734 CoreSite	`0.42ms` from Ashburn, US
66.128.152.20	AS2734 CoreSite	`1.33ms` from Boston, US
66.128.153.4	AS2734 CoreSite	`1.30ms` from Boston, US
67.212.148.100	AS2734 CoreSite	`0.41ms` from Ashburn, US
98.158.145.196	AS2734 CoreSite	`0.19ms` from Los Angeles, US
2605:6c00:7fff:121:98:158:158:143	AS2734 CoreSite	`1.03ms` from Ashburn, US
66.35.77.142	AS2734 CoreSite	`4.58ms` from Jacksonville, US
173.45.170.50	AS2734 CoreSite	`4.54ms` from Jacksonville, US
208.74.79.68	AS2734 CoreSite	`0.22ms` from Los Angeles, US
67.212.147.94	AS2734 CoreSite	`0.20ms` from Los Angeles, US
66.35.75.26	AS2734 CoreSite	`4.56ms` from Jacksonville, US
66.35.78.215	AS2734 CoreSite	`4.76ms` from Jacksonville, 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
198.181.124.206	AS40596 Soundbite Communications, Inc.	`0.81ms` from Ashburn, US
177.75.1.46	AS28178 Networld Provedor e Servicos de Internet Ltda	`9.78ms` from Belo Horizonte, BR
173.18.174.174	AS30036 Mediacom Communications Corp	`16.37ms` from Chicago, US
63.246.63.142	AS15054 Northeast Texas Broadband, LLC	`2.62ms` from Dallas, US
173.203.197.126	AS33070 Rackspace Hosting	`1.04ms` from Dallas, US
97.115.23.254	AS209 CenturyLink Communications, LLC	`0.82ms` from Hillsboro, US
193.238.87.206	AS44019 Spetsnet Ltd.	`6.27ms` from Kyiv, UA
20.207.126.206	AS8075 Microsoft Corporation	`0.15ms` from Lohogaon, IN
76.76.13.254	AS398839 Alliance Telecom	`8.28ms` from Montreal, CA
212.57.106.254	AS31363 JSC "ER-Telecom Holding"	`1.06ms` from Moscow, RU
182.164.123.30	AS17511 OPTAGE Inc.	`2.45ms` from Osaka, JP
3.214.142.30	AS14618 Amazon.com, Inc.	`0.16ms` from Reston, US
139.82.178.190	AS2715 Fundação Carlos Chagas Filho de Amparo a Pesquisa	`0.78ms` from Rio de Janeiro, BR
200.112.37.30	AS7418 TELEFÓNICA CHILE S.A.	`3.53ms` from Santiago, CL
27.238.118.126	AS4766 Korea Telecom	`6.90ms` from Seoul, KR
175.225.55.254	AS4766 Korea Telecom	`1.72ms` from Seoul, KR
211.193.45.190	AS4766 Korea Telecom	`1.60ms` from Seoul, KR
220.128.142.254	AS3462 Data Communication Business Group	`0.81ms` from Taipei, TW
188.169.80.62	AS35805 JSC "Silknet"	`4.98ms` from Tbilisi, GE
84.82.10.78	AS1136 KPN B.V.	`2.21ms` from Amsterdam, NL
89.195.238.62	AS8011 MongoDB, Inc.	`0.12ms` from Boardman, US
24.231.159.30	AS20115 Charter Communications LLC	`10.25ms` from Chicago, US
108.76.127.158	AS7018 AT&T Enterprises, LLC	`6.27ms` from Chicago, US
190.137.12.190	AS7303 Telecom Argentina S.A.	`1.85ms` from Cordoba, AR
97.154.0.238	AS6167 Verizon Business	`10.91ms` from Dallas, US

Traceroute

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

traceroute -a -n -q1 -f2 66.35.84.148

traceroute to 66.35.84.148 (66.35.84.148): 64 hops max, 52 byte packets

2 [] 206.71.12.99 0.96 ms

3 *

4 *

5 [AS2734] 66.35.84.148 1.259 ms

Measurement taken from

IPinfo ProbeNet in Atlanta, US

On August 28th 2025

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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 AS2734 at robtex.

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