Autonomous System details

AS64249

Charles River Operation · endoffice.com

United States

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AS64249 – Charles River Operation

Field	Value
Country	United States
Website	endoffice.com
Hosted domains	1,077
IPv4 addresses	22,528
IPv6 addresses	84,491,825,532,866,433,428,400,000,000
ASN type	Hosting
Registry	arin
Allocated	10 years ago on Apr 08, 2016
Updated	10 years ago on Apr 08, 2016

Netblock	Company	Num of IPs
207.32.128.0/19	20 Point Networks LLC	8,192
52.124.20.0/23	Talon Voice, LLC	512
94.154.168.0/23	Wired ISP Inc.	512
5.182.51.0/24	SMARTHOST, LLC	256
5.182.199.0/24	Wired ISP Inc.	256
31.132.54.0/24	1 Summer Street, Boston, MA	256
38.124.1.0/24	Charles River Operation	256
38.242.12.0/24	Charles River Operation	256
38.242.18.0/24	Charles River Operation	256
38.242.24.0/24	Charles River Operation	256
44.32.53.0/24	Amateur Radio Digital Communications	256
45.10.23.0/24	Mo's Operations GmbH	256
45.58.211.0/24	Boston-Summer-Street	256
45.67.142.0/24	Wired ISP Inc.	256
45.67.143.0/24	Wired ISP Inc.	256
45.67.144.0/24	Wired ISP Inc.	256
63.246.128.0/24	Wired ISP Inc.	256
63.246.156.0/24	Wired ISP Inc.	256
63.246.157.0/24	Wired ISP Inc.	256
63.251.142.0/24	Private Customer	256
66.150.192.0/24	Endoffice	256
66.150.196.0/24	Charles River Operation	256
66.150.198.0/24	Private Customer	256
67.22.61.0/24	IPv4 Holdings LLC	256
67.22.62.0/24	Verizon Business	256
74.118.68.0/24	Taozen Services LLC	256
74.118.69.0/24	Taozen Services LLC	256
74.118.70.0/24	Taozen Services LLC	256
74.118.71.0/24	Taozen Services LLC	256
79.98.181.0/24	Wired ISP Inc.	256
79.98.182.0/24	1 Summer Street, Boston, MA 02110	256
83.143.107.0/24	Alaxona Internet Inc.	256
92.249.28.0/24	Wired ISP Inc.	256
94.154.176.0/24	Wired ISP Inc.	256
94.154.179.0/24	Wired ISP Inc.	256
144.86.187.0/24	Taozen Services LLC	256
147.189.137.0/24	SMARTHOST, LLC	256
154.3.45.0/24	Charles River Operation	256
154.3.129.0/24	Charles River Operation	256
154.3.222.0/24	Charles River Operation	256
154.3.236.0/24	Charles River Operation, LLC	256
154.3.237.0/24	Charles River Operation, LLC	256
154.9.0.0/24	Charles River Operation, LLC	256
154.9.154.0/24	Charles River Operation, LLC	256
154.12.2.0/24	Charles River Operation, LLC	256
154.12.6.0/24	Charles River Operation, LLC	256
154.13.0.0/24	Charles River Operation	256
154.39.0.0/24	Charles River Operation, LLC	256
154.39.2.0/24	Charles River Operation	256
185.67.164.0/24	ZAO Web Hosting	256
185.67.165.0/24	ZAO Web Hosting	256
185.67.166.0/24	ZAO Web Hosting	256
185.67.167.0/24	ZAO Web Hosting	256
192.203.175.0/24	Macross Information Systems	256
193.148.94.0/24	Wired ISP Inc.	256
198.145.141.0/24	TYZ Networks	256
198.145.142.0/24	TYZ Networks	256
198.145.143.0/24	TYZ Networks	256
206.197.231.0/24	Accord Software, Inc.	256

Netblock	Company
2607:5840::/32	Talon Voice, LLC
2602:fe6d::/36	Charles River Operation
2001:4830:c900::/40	Charles River Operation
2001:4830:c210::/48	TowardEX Technologies International, Inc.
2606:6680:13::/48	SmartHost LLC

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WHOIS Details

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                                                ASHandle:       AS64249
                                                OrgID:          AS64249
                                                ASName:         AS64249
                                                ASNumber:       AS64249
                                                RegDate:        0000-00-00
                                                Updated:        0000-00-00
                                                TechHandle:     AA00-AAAA
                                                Source:         AAAA

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Hosted Domains

There are 1,077 domain names hosted across 345 IP addresses on this ASN.

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IP Address	Domain	Domains on this IP
154.3.237.116	██████████	55
154.12.2.114	██████████	49
154.3.237.18	██████████	44
154.12.2.90	██████████	41
38.242.12.200	██████████	29
154.9.0.34	██████████	27
74.118.70.134	██████████	25
154.3.236.114	██████████	14
154.3.45.242	██████████	12
74.118.70.130	██████████	11

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Peers

There are 6 peers for this ASN.

Peers	Name
AS1239	Cogent Communications, LLC
AS174	Cogent Communications, LLC
AS26824	VLUZNET
AS27552	TowardEX Technologies International, Inc.
AS395584	Data Management
AS46887	Crown Castle Fiber LLC

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ASN API & Database

Upstreams

There are 4 upstreams for this ASN.

upstreams	Name
AS174	Cogent Communications, LLC
AS27552	TowardEX Technologies International, Inc.
AS395584	Data Management
AS46887	Crown Castle Fiber LLC

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Downstreams

There is 1 peer for this ASN.

Downstreams	Name
AS26824	VLUZNET

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ASN API & Database

Pingable IPs

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

IP Address	ASN	Details
154.3.129.10	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.144.178	AS64249 Charles River Operation	`0.37ms` from Boston, US
67.22.62.32	AS64249 Charles River Operation	`0.37ms` from Boston, US
45.10.23.1	AS64249 Charles River Operation	`0.23ms` from Boston, US
207.32.133.61	AS64249 Charles River Operation	`0.38ms` from Boston, US
74.118.68.1	AS64249 Charles River Operation	`0.80ms` from Boston, US
154.3.236.122	AS64249 Charles River Operation	`0.35ms` from Boston, US
94.154.179.46	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.145.169	AS64249 Charles River Operation	`0.37ms` from Boston, US
5.182.199.75	AS64249 Charles River Operation	`0.36ms` from Boston, US
207.32.147.189	AS64249 Charles River Operation	`0.37ms` from Boston, US
92.249.28.89	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.135.153	AS64249 Charles River Operation	`0.37ms` from Boston, US
2606:6680:13:1::23d7:5694	AS64249 Charles River Operation	`0.26ms` from Boston, US
45.67.142.15	AS64249 Charles River Operation	`0.37ms` from Boston, US
154.39.2.234	AS64249 Charles River Operation	`0.35ms` from Boston, US
38.242.24.1	AS64249 Charles River Operation	`0.22ms` from Boston, US
66.150.196.117	AS64249 Charles River Operation	`0.44ms` from Boston, US
154.3.237.18	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.150.150	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.148.233	AS64249 Charles River Operation	`0.37ms` from Boston, US
63.251.142.1	AS64249 Charles River Operation	`0.76ms` from Boston, US
154.3.222.66	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.146.207	AS64249 Charles River Operation	`0.38ms` from Boston, US
198.145.142.196	AS64249 Charles River Operation	`1.16ms` from Fremont, 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
174.55.172.153	AS7922 Comcast Cable Communications, LLC	`18.78ms` from Ashburn, US
190.250.192.57	AS13489 UNE EPM TELECOMUNICACIONES S.A.	`5.45ms` from Bogota, CO
177.253.181.73	AS27831 Colombia Móvil	`4.04ms` from Bogota, CO
20.161.72.201	AS8075 Microsoft Corporation	`0.19ms` from Boydton, US
96.51.231.41	AS6327 Shaw Communications	`5.50ms` from Calgary, CA
98.10.6.185	AS11351 Charter Communications Inc	`17.73ms` from Chicago, US
158.41.223.57	AS1448 United Cooperative Services	`3.89ms` from Dallas, US
206.176.247.185	AS22667 Vista Broadband Networks, Inc.	`4.11ms` from Fremont, US
45.121.194.9	AS23881 UDomain Web Hosting Company Ltd	`0.59ms` from Hong Kong, HK
47.244.134.9	AS45102 Alibaba (US) Technology Co., Ltd.	`0.75ms` from Hong Kong, HK
65.52.184.233	AS8075 Microsoft Corporation	`0.33ms` from Hong Kong, HK
182.228.229.105	AS17858 LG POWERCOMM	`1.43ms` from Incheon, KR
94.2.19.9	AS5607 Sky UK Limited	`1.94ms` from London, GB
208.85.206.25	AS23308 UTILITY TELEPHONE, INC.	`0.49ms` from Los Angeles, US
216.41.228.249	AS52 University of California, Los Angeles	`1.82ms` from Los Angeles, US
50.201.159.9	AS7922 Comcast Cable Communications, LLC	`0.56ms` from Los Angeles, US
27.110.197.25	AS9299 Philippine Long Distance Telephone Company	`0.47ms` from Manila, PH
186.97.215.41	AS27831 Colombia Móvil	`0.67ms` from Medellin, CO
45.89.182.233	AS28716 Retelit Digital Services S.p.A.	`0.30ms` from Milan, IT
79.9.251.105	AS3269 Telecom Italia S.p.A.	`2.42ms` from Milan, IT
212.15.83.169	AS147049 PacketHub S.A.	`1.61ms` from Murfreesboro, US
107.144.58.105	AS33363 Charter Communications, Inc	`10.98ms` from Orlando, US
85.207.214.153	AS25248 RADIOKOMUNIKACE a.s.	`0.39ms` from Prague, CZ
4.155.106.169	AS8075 Microsoft Corporation	`0.30ms` from Quincy, US
52.7.118.57	AS14618 Amazon.com, Inc.	`0.25ms` from Reston, 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 94.154.168.192

traceroute to 94.154.168.192 (94.154.168.192): 64 hops max, 52 byte packets

2 [AS27552] 185.134.180.157 13.403 ms

3 [AS27552] 198.160.63.128 12.413 ms

4 [AS27552] 198.160.62.203 13.264 ms

5 [AS27552] 185.134.180.86 12.526 ms

6 [AS64249] 154.9.154.50 12.438 ms

7 [AS64249] 94.154.168.192 12.683 ms

Measurement taken from

IPinfo ProbeNet in Ashburn, US

On April 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 AS64249 at robtex.

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