Autonomous System details

AS2734

CoreSite · coresite.com

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AS2734 – CoreSite

Field	Value
Country	United States
Website	coresite.com
Hosted domains	573
IPv4 addresses	48,896
IPv6 addresses	133,708,404,575,197,601,351,677,771,776
ASN type	Hosting
Registry	arin
Allocated	17 years ago on Sep 01, 2009
Updated	14 years ago on Mar 02, 2012

Netblock	Company	Num of IPs
142.255.192.0/18	CoreSite	16,384
66.35.72.0/21	CoreSite	2,048
66.35.88.0/21	CoreSite	2,048
208.77.96.0/21	CoreSite	2,048
208.84.144.0/21	CoreSite	2,048
66.35.68.0/22	Managed Hosting Services	1,024
66.128.148.0/22	CoreSite	1,024
66.128.156.0/22	CoreSite	1,024
98.158.144.0/22	U.S. COLO, LLC	1,024
98.158.152.0/22	U.S. COLO, LLC	1,024
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
66.35.64.0/23	CoreSite	512
66.35.84.0/23	CoreSite	512
66.128.144.0/23	CoreSite	512
66.128.152.0/23	Private Customer	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
98.158.150.0/23	U.S. COLO, LLC	512
98.158.158.0/23	U.S. COLO, LLC	512
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
66.35.67.0/24	CoreSite	256
66.35.80.0/24	CoreSite	256
66.35.83.0/24	CoreSite	256
66.35.86.0/24	CoreSite	256
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
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
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
204.9.207.0/24	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

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::/48	CoreSite
2605:6c00:1::/48	CoreSite
2605:6c00:2::/48	CoreSite
2605:6c00:3::/48	CoreSite
2605:6c00:4::/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 573 domain names hosted across 216 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
208.64.255.88	██████████	59
98.158.155.198	██████████	46
66.35.67.136	██████████	34
66.35.92.16	██████████	24
66.35.67.135	███████	24
208.77.100.6	██████████	23
66.128.157.174	█████████	15
66.35.72.207	██████████	15
199.119.182.41	██████████	13
67.212.154.72	██████████	12

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Hosted Domains API & Database

Peers

There are 592 peers for this ASN.

Peers	Name
AS10111	Zeofast Network
AS10158	Kakao Corp
AS10242	US Internet Corp
AS10255	Sinister and Solitary
AS10269	Belize Telemedia Limited
AS10302	SNAPPYDSL.NET
AS1031	PEER 1031 LLC
AS10310	Yahoo Holdings Inc.
AS10355	Digital Service Consultants
AS10367	Fibercast Corporation
AS10490	Georgia Institute of Technology
AS10578	Harvard University
AS10674	Gainesville Regional Utilities
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
AS11280	SNAPPYDSL.NET
AS11320	LightEdge Solutions
AS11333	CyberTrails
AS11525	Hancock Rural Telephone Corp.
AS11686	Zayo Bandwidth
AS11711	TULAROSA COMMUNICATIONS, INC.
AS11722	Slic Network Solutions, Inc
AS11758	IRIS Networks
AS11767	Quality Technology Services, LLC
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
AS13213	THG HOSTING LIMITED
AS13335	Cloudflare, Inc.
AS13415	FirstDigital Communications, LLC
AS134176	Cloudie Limited
AS13427	Softcom Internet Communications, Inc.
AS134521	Dialpad, Inc.
AS13489	UNE EPM TELECOMUNICACIONES S.A.
AS135069	Feenix Communications Limited
AS1351	University of Vermont
AS13536	FirstLight Fiber, Inc.
AS13631	CITADEL ENTERPRISE AMERICAS LLC
AS137182	BLUE WIRELESS PTE LTD
AS13727	NEXT DIMENSION INC
AS137409	GSL Networks Pty LTD
AS13760	Uniti Fiber Holdings Inc.
AS13767	DataBank Holdings, Ltd.
AS13786	Seabras 1 USA, LLC
AS13807	Great Plains Communications LLC
AS138398	Prodigi Technology Services Limited
AS13855	The Municipal Communications Utility of the City of Cedar Falls, Iowa
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
AS14230	ARK Data Centers LLC
AS142601	TILLERED LIMITED
AS14277	GiGstreem
AS14340	Salesforce.com, Inc.
AS14361	HopOne Internet Corporation
AS14363	MTC Communications, Inc.
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	PenTeleData Inc.
AS14978	Consolidated Smart Systems LLC
AS14979	Aeronet Wireless
AS15042	Urban Communications, Inc.
AS15129	Geneseo Telephone Company
AS15164	Unite Private Networks LLC.
AS15169	Google LLC
AS15188	Menlo, Inc.
AS15280	Host Leasing Corporation
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
AS16735	ALGAR TELECOM S/A

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ASN API & Database

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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ASN API & Database

Downstreams

There are 20 downstreams for this ASN.

Downstreams	Name
AS10255	Sinister and Solitary
AS11333	CyberTrails
AS20304	Lepton Global Solutions, LLC.
AS22330	Catalina Marketing Corporation
AS22437	CoreSite
AS26551	Sargent & Lundy Engineers
AS2914	NTT America, Inc.
AS29906	Westat, Inc.
AS30149	The Goldman Sachs Group, Inc.
AS3257	GTT Communications Inc.
AS393827	BJS WHOLESALE CLUB
AS397822	California Resources Corporation
AS398079	Eminent, Inc
AS401174	State of California, Department of Technology
AS46275	AcuCall
AS4898	Opentable, Inc.
AS54525	APPLIED GLOBAL TECHNOLOGIES, LLC
AS5651	GMLL CAPITAL MANAGEMENT LLC
AS62966	BrightEdge Technologies
AS6939	Hurricane Electric LLC

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
66.35.85.129	AS2734 CoreSite	`0.72ms` from Atlanta, US
98.158.152.213	AS2734 CoreSite	`0.13ms` from Ashburn, US
67.212.154.13	AS2734 CoreSite	`0.20ms` from Denver, US
2605:6c00:0:3001::1	AS2734 CoreSite	`0.67ms` from Denver, US
204.9.204.1	AS2734 CoreSite	`5.21ms` from Jacksonville, US
192.34.20.76	AS2734 CoreSite	`0.35ms` from San Jose, US
66.128.150.251	AS2734 CoreSite	`0.39ms` from Santa Clara, US
204.9.207.1	AS2734 CoreSite	`0.73ms` from Ashburn, US
206.223.143.56	AS2734 CoreSite	`0.60ms` from Atlanta, US
66.128.153.6	AS2734 CoreSite	`1.09ms` from Boston, US
66.128.156.44	AS2734 CoreSite	`0.23ms` from Los Angeles, US
98.158.147.137	AS2734 CoreSite	`0.24ms` from Los Angeles, US
98.158.144.10	AS2734 CoreSite	`0.15ms` from Los Angeles, US
208.64.254.167	AS2734 CoreSite	`0.19ms` from Santa Clara, US
66.35.75.97	AS2734 CoreSite	`4.57ms` from Jacksonville, US
2605:6c00:7:3::2	AS2734 CoreSite	`5.41ms` from New York City, US
67.212.150.158	AS2734 CoreSite	`0.23ms` from Santa Clara, US
66.35.64.139	AS2734 CoreSite	`4.88ms` from Jacksonville, US
67.212.146.252	AS2734 CoreSite	`0.30ms` from Los Angeles, US
204.9.201.238	AS2734 CoreSite	`0.25ms` from Los Angeles, US
173.45.174.100	AS2734 CoreSite	`0.51ms` from Atlanta, US
98.158.146.132	AS2734 CoreSite	`0.27ms` from Los Angeles, US
208.74.79.94	AS2734 CoreSite	`0.24ms` from Los Angeles, US
98.158.153.4	AS2734 CoreSite	`0.11ms` from Ashburn, US
67.212.155.233	AS2734 CoreSite	`0.30ms` from Los Angeles, 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
8.140.77.254	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`3.56ms` from Beijing, CN
186.177.197.254	AS263181 Cooperativa Telefónica de Grand Bourg	`1.27ms` from Buenos Aires, AR
47.113.226.158	AS37963 Hangzhou Alibaba Advertising Co.,Ltd.	`0.14ms` from Heyuan, CN
20.68.242.14	AS8075 Microsoft Corporation	`0.32ms` from London, GB
130.251.19.254	AS137 Consortium GARR	`6.12ms` from Milan, IT
69.10.36.254	AS19318 Interserver, Inc	`0.41ms` from New York City, US
69.242.19.254	AS7922 Comcast Cable Communications, LLC	`7.71ms` from New York City, US
219.75.145.110	AS17511 OPTAGE Inc.	`0.93ms` from Osaka, JP
77.157.187.78	AS15557 Societe Francaise Du Radiotelephone - SFR SA	`3.62ms` from Paris, FR
31.168.230.110	AS8551 Bezeq International Ltd.	`0.22ms` from Petaẖ Tiqva, IL
208.99.209.238	AS18530 Isomedia, Inc.	`1.02ms` from Seattle, US
61.73.71.254	AS4766 Korea Telecom	`1.31ms` from Seoul, KR
5.29.180.30	AS12849 Hot-Net internet services Ltd.	`7.55ms` from Tel Aviv, IL
54.90.18.222	AS14618 Amazon.com, Inc.	`0.51ms` from Ashburn, US
96.70.165.238	AS7922 Comcast Cable Communications, LLC	`7.63ms` from Ashburn, US
195.251.179.254	AS5408 National Infrastructures for Research and Technology S.A.	`1.47ms` from Athens, GR
35.133.171.110	AS20115 Charter Communications LLC	`8.87ms` from Atlanta, US
222.155.244.238	AS4771 Spark New Zealand Trading Ltd.	`0.94ms` from Auckland, NZ
61.135.20.78	AS4808 China Unicom Beijing Province Network	`3.10ms` from Beijing, CN
114.250.141.14	AS4808 China Unicom Beijing Province Network	`3.82ms` from Beijing, CN
221.197.67.254	AS4837 CHINA UNICOM China169 Backbone	`5.65ms` from Beijing, CN
91.64.45.254	AS3209 Vodafone GmbH	`2.60ms` from Berlin, DE
92.224.229.174	AS6805 Telefonica Germany GmbH & Co.OHG	`2.85ms` from Berlin, DE
72.131.109.62	AS10796 Charter Communications Inc	`9.30ms` from Chicago, US
12.251.221.30	AS7018 AT&T Enterprises, LLC	`3.44ms` from Chicago, 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 66.35.64.1

traceroute to 66.35.64.1 (66.35.64.1): 64 hops max, 52 byte packets

2 [AS20278] 64.44.164.129 0.364 ms

3 [] 206.123.7.25 0.472 ms

4 [AS6939] 184.104.199.170 5.38 ms

5 [AS2734] 66.35.64.1 5.534 ms

Measurement taken from

IPinfo ProbeNet in Jacksonville, US

On March 13th 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 AS2734 at robtex.

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