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	21,760
IPv6 addresses	84,491,825,532,866,433,020,214,640,640
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	WiredISP Inc.	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
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
154.12.2.114	██████████	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
94.154.168.19	AS64249 Charles River Operation	`0.37ms` from Boston, US
66.150.198.122	AS64249 Charles River Operation	`0.39ms` from Boston, US
154.12.2.98	AS64249 Charles River Operation	`0.35ms` from Boston, US
207.32.146.158	AS64249 Charles River Operation	`0.38ms` from Boston, US
74.118.68.1	AS64249 Charles River Operation	`0.81ms` from Boston, US
154.3.45.41	AS64249 Charles River Operation	`0.23ms` from Boston, US
207.32.138.186	AS64249 Charles River Operation	`0.38ms` from Boston, US
193.148.94.132	AS64249 Charles River Operation	`0.38ms` from Boston, US
2001:4830:c903:1011:f::b001	AS64249 Charles River Operation	`2.79ms` from Boston, US
94.154.176.2	AS64249 Charles River Operation	`0.38ms` from Boston, US
67.22.62.89	AS64249 Charles River Operation	`0.37ms` from Boston, US
63.251.142.1	AS64249 Charles River Operation	`0.80ms` from Boston, US
31.132.54.137	AS64249 Charles River Operation	`1.75ms` from New York City, US
74.118.70.154	AS64249 Charles River Operation	`0.45ms` from Boston, US
45.67.142.141	AS64249 Charles River Operation	`0.38ms` from Boston, US
154.39.2.181	AS64249 Charles River Operation	`0.36ms` from Boston, US
38.242.18.225	AS64249 Charles River Operation	`0.23ms` from Boston, US
38.242.24.49	AS64249 Charles River Operation	`0.23ms` from Boston, US
207.32.130.198	AS64249 Charles River Operation	`0.38ms` from Boston, US
154.39.0.99	AS64249 Charles River Operation	`0.42ms` from Boston, US
154.9.0.1	AS64249 Charles River Operation	`0.23ms` from Boston, US
207.32.136.2	AS64249 Charles River Operation	`0.38ms` from Boston, US
2606:6680:13:1::61b5:59bf	AS64249 Charles River Operation	`0.02ms` from Boston, US
154.9.154.36	AS64249 Charles River Operation	`0.37ms` from Boston, US
45.10.23.1	AS64249 Charles River Operation	`0.24ms` 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)	`2.86ms` from Ashburn, US
52.7.235.105	AS14618 Amazon.com, Inc.	`0.50ms` from Ashburn, US
186.80.231.57	AS10620 Telmex Colombia S.A.	`5.31ms` from Bogota, CO
106.197.73.73	AS45609 Bharti Airtel Ltd. AS for GPRS Service	`0.17ms` from Chennai, IN
123.25.110.121	AS45899 VNPT Corp	`0.73ms` from Da Nang, VN
120.35.56.233	AS4134 CHINANET-BACKBONE	`2.84ms` from Fuzhou, CN
116.193.229.121	AS55381 CITY-CABLE SHUNAN Corporation	`8.54ms` from Hiroshima, JP
115.93.76.105	AS3786 LG DACOM Corporation	`1.56ms` from Incheon, KR
175.127.228.9	AS9318 SK Broadband Co Ltd	`4.90ms` from Incheon, KR
76.79.189.105	AS20001 Charter Communications Inc	`2.81ms` from Los Angeles, US
104.221.235.169	AS22552 eSited Solutions	`0.37ms` from Los Angeles, US
12.227.160.25	AS7018 AT&T Enterprises, LLC	`1.28ms` from Los Angeles, US
50.201.159.9	AS7922 Comcast Cable Communications, LLC	`0.50ms` from Los Angeles, US
20.42.224.73	AS8075 Microsoft Corporation	`0.55ms` from Melbourne, AU
185.55.175.9	AS25227 JSC Avantel	`1.22ms` from Moscow, RU
221.231.2.185	AS4134 CHINANET-BACKBONE	`5.78ms` from Nanjing, CN
45.237.185.137	AS266828 DBS NETWORK, S.A.	`4.62ms` from Panama, PA
213.41.235.105	AS13193 Keyyo SA	`0.85ms` from Paris, FR
221.166.236.121	AS4766 Korea Telecom	`4.68ms` from Seoul, KR
118.33.156.137	AS4766 Korea Telecom	`2.83ms` from Seoul, KR
188.215.28.233	AS15692 Razorblue Ltd	`4.62ms` from Sheffield, GB
217.75.129.153	AS9070 Cooolbox AD	`0.67ms` from Sofia, BG
62.68.196.233	AS56833 mieX GmbH	`19.37ms` from Vienna, AT
137.117.148.57	AS8075 Microsoft Corporation	`0.23ms` from Amsterdam, NL
79.166.176.153	AS3329 VODAFONE-PANAFON HELLENIC TELECOMMUNICATIONS COMPANY SA	`1.70ms` from Athens, GR

Traceroute

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

traceroute -a -n -q1 -f4 193.148.94.22

traceroute to 193.148.94.22 (193.148.94.22): 64 hops max, 52 byte packets

4 [AS38193] 110.93.210.226 23.469 ms

5 *

6 [] 110.93.253.110 23.603 ms

7 [] 110.93.252.222 24.255 ms

8 *

9 *

10 *

11 *

12 [AS3356] 4.31.155.202 229.382 ms

13 *

14 [AS27552] 198.160.62.203 221.459 ms

15 [AS27552] 185.134.180.86 218.979 ms

16 [AS64249] 154.9.154.50 216.402 ms

17 *

18 [AS64249] 193.148.94.22 217.265 ms

Measurement taken from

IPinfo ProbeNet in Islamabad, PK

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 AS64249 at robtex.

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