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	21,248
IPv6 addresses	163,719,988,047,130,770,613,758,590,976
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
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
45.67.142.0/24	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
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
198.11.119.0/24	Rue La La Inc	256
206.197.231.0/24	Accord Software, Inc.	256

Netblock	Company
2607:5840::/32	Talon Voice, LLC
2a0c:3ac1::/32	Wired ISP Inc.
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
154.12.2.114	██████████	95
154.3.237.116	██████████	93
154.3.237.18	██████████	75
154.12.2.90	██████████	53
38.242.12.200	██████████	29
74.118.70.134	██████████	28
154.39.2.162	██████████	25
154.12.2.218	██████████	17
154.3.45.242	██████████	15
154.3.236.114	██████████	14

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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

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

IP Address	ASN	Details
154.12.6.170	AS64249 Charles River Operation	`0.36ms` from Boston, US
207.32.154.113	AS64249 Charles River Operation	`0.36ms` from Boston, US
74.118.68.1	AS64249 Charles River Operation	`0.83ms` from Boston, US
144.86.187.39	AS64249 Charles River Operation	`0.41ms` from Boston, US
207.32.147.191	AS64249 Charles River Operation	`0.37ms` from Boston, US
66.150.198.122	AS64249 Charles River Operation	`0.38ms` from Boston, US
63.251.142.1	AS64249 Charles River Operation	`0.89ms` from Boston, US
67.22.61.153	AS64249 Charles River Operation	`0.36ms` from Boston, US
154.39.0.99	AS64249 Charles River Operation	`0.42ms` from Boston, US
207.32.130.162	AS64249 Charles River Operation	`0.37ms` from Boston, US
2602:fe6d:3::1	AS64249 Charles River Operation	`0.55ms` from Boston, US
44.32.53.1	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.156.236	AS64249 Charles River Operation	`0.37ms` from Boston, US
154.12.2.155	AS64249 Charles River Operation	`0.35ms` from Boston, US
207.32.144.138	AS64249 Charles River Operation	`0.36ms` from Boston, US
2001:4830:c903:1011:f::b001	AS64249 Charles River Operation	`3.02ms` from Boston, US
207.32.136.31	AS64249 Charles River Operation	`0.36ms` from Boston, US
207.32.139.223	AS64249 Charles River Operation	`0.37ms` from Boston, US
207.32.155.112	AS64249 Charles River Operation	`0.36ms` from Boston, US
94.154.179.180	AS64249 Charles River Operation	`0.37ms` from Boston, US
63.246.128.26	AS64249 Charles River Operation	`0.36ms` from Boston, US
207.32.150.161	AS64249 Charles River Operation	`0.36ms` from Boston, US
5.182.199.187	AS64249 Charles River Operation	`0.37ms` from Boston, US
2001:4830:c210:285::49	AS64249 Charles River Operation	`2.72ms` from Boston, US
79.98.181.125	AS64249 Charles River Operation	`0.36ms` from Boston, 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
130.85.139.25	AS11131 University of Maryland Baltimore County (UMBC)	`2.84ms` from Ashburn, US
73.119.112.25	AS7922 Comcast Cable Communications, LLC	`13.05ms` from Boston, US
85.216.137.41	AS6830 Liberty Global Europe Holding B.V.	`13.76ms` from Bratislava, SK
50.233.52.249	AS7922 Comcast Cable Communications, LLC	`1.36ms` from Chicago, US
70.228.105.41	AS7018 AT&T Enterprises, LLC	`2.43ms` from Dallas, US
200.199.36.169	AS7738 V tal	`13.66ms` from Fortaleza, BR
206.176.247.185	AS22667 Vista Broadband Networks, Inc.	`4.11ms` from Fremont, US
218.104.177.105	AS17816 China Unicom IP network China169 Guangdong province	`2.76ms` from Guangzhou, CN
113.4.104.73	AS4837 CHINA UNICOM China169 Backbone	`5.91ms` from Harbin, CN
196.211.241.121	AS3741 Dimension Data	`1.38ms` from Johannesburg, ZA
102.222.231.89	AS37638 Orioncom SPRL	`0.85ms` from Kinshasa, CD
77.68.8.121	AS8560 IONOS SE	`0.77ms` from London, GB
12.227.160.25	AS7018 AT&T Enterprises, LLC	`1.36ms` from Los Angeles, US
67.239.69.9	AS2379 CenturyLink Communications, LLC	`4.90ms` from Miami, US
87.255.253.9	AS38917 INTERCOMTEL Limited Company	`5.76ms` from Moscow, RU
103.179.39.73	AS134009 NETCOM ENTERPRISES PVT LTD	`0.59ms` from Mumbai, IN
176.210.84.169	AS12389 PJSC Rostelecom	`8.67ms` from Novosibirsk, RU
73.92.149.25	AS7922 Comcast Cable Communications, LLC	`7.39ms` from San Jose, US
186.67.82.169	AS27651 ENTEL CHILE S.A.	`0.61ms` from Santiago, CL
37.78.177.137	AS12389 PJSC Rostelecom	`14.08ms` from Tbilisi, GE
78.60.75.41	AS8764 Telia Lietuva, AB	`2.95ms` from Vilnius, LT
82.177.10.105	AS20804 Exatel S.A.	`0.53ms` from Warsaw, PL
188.200.236.25	AS1136 KPN B.V.	`10.74ms` from Amsterdam, NL
73.200.235.121	AS7922 Comcast Cable Communications, LLC	`5.50ms` from Ashburn, US
13.82.103.121	AS8075 Microsoft Corporation	`0.44ms` from Ashburn, US

Traceroute

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

traceroute -a -n -q1 -f4 207.32.156.182

traceroute to 207.32.156.182 (207.32.156.182): 64 hops max, 52 byte packets

4 [AS6939] 184.104.198.109 0.781 ms

5 *

6 *

7 *

8 [AS6939] 184.104.194.207 39.871 ms

9 *

10 *

11 *

12 *

13 [AS64249] 154.9.154.50 39.712 ms

14 [AS64249] 207.32.156.182 38.48 ms

Measurement taken from

IPinfo ProbeNet in Denver, US

On February 16th 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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