AS Name
ENDOFFICE
Org Name
Charles River Operation
Registry Region
United States
Looking Glass
IPv4Prefixes

95

IPv6Prefixes

2

IPv4 NUMs

30,208

IPv6 NUMs(/64)

268,500,992

30,208 IPv4 Addresses
CIDR Description IP Num
5.182.51.0/24 SMARTHOST 256
38.124.1.0/24 Charles River Operation, LLC 256
38.146.55.0/24 Charles River Operation, LLC 256
38.242.7.0/24 Charles River Operation, LLC 256
38.242.12.0/24 Charles River Operation, LLC 256
38.242.18.0/24 Charles River Operation, LLC 256
38.242.24.0/24 Charles River Operation, LLC 256
44.3.4.0/24 Amateur Radio Digital Communications 256
45.10.23.0/24 SMARTHOST-NET8 256
45.91.248.0/24 SMARTHOST 256
45.154.246.0/24 HK-GREATWORKTOGETHER4-20190917-246 256
45.154.247.0/24 HK-GREATWORKTOGETHER4-20190917-247 256
66.111.55.0/24 GigeNET 256
69.54.248.0/24 SD Fiber Tech (C07335365) 256
69.54.249.0/24 SD Fiber Tech (C07335365) 256
69.54.250.0/24 SD Fiber Tech (C07335365) 256
69.54.251.0/24 SD Fiber Tech (C07335365) 256
69.54.252.0/24 SD Fiber Tech (C07335365) 256
69.54.253.0/24 SD Fiber Tech (C07335365) 256
69.54.254.0/24 SD Fiber Tech (C07335365) 256
69.54.255.0/24 SD Fiber Tech (C07335365) 256
69.173.176.0/24 Boston Colocation, Inc. 256
69.173.177.0/24 Boston Colocation, Inc. 256
69.173.178.0/24 Boston Colocation, Inc. 256
69.173.179.0/24 Boston Colocation, Inc. 256
69.173.180.0/24 Boston Colocation, Inc. 256
69.173.181.0/24 Boston Colocation, Inc. 256
69.173.182.0/24 Boston Colocation, Inc. 256
69.173.183.0/24 Boston Colocation, Inc. 256
69.173.184.0/24 Boston Colocation, Inc. 256
69.173.185.0/24 Boston Colocation, Inc. 256
69.173.186.0/24 Boston Colocation, Inc. 256
69.173.187.0/24 Boston Colocation, Inc. 256
69.173.188.0/24 Boston Colocation, Inc. 256
69.173.189.0/24 Boston Colocation, Inc. 256
69.173.190.0/24 Boston Colocation, Inc. 256
69.173.191.0/24 Boston Colocation, Inc. 256
72.46.4.0/22 North East Fiber, LLC 1024
72.46.12.0/22 North East Fiber, LLC 1024
72.46.64.0/23 Macross Network Services 512
72.46.66.0/24 NameStream.com, Inc (C02016365) 256
72.46.67.0/24 Boston Colocation, Inc. 256
72.46.68.0/24 Boston Colocation, Inc. 256
72.46.69.0/24 Boston Colocation, Inc. 256
72.46.70.0/24 Boston Colocation, Inc. 256
72.46.71.0/24 Boston Colocation, Inc. 256
72.46.112.0/24 Boston Colocation, Inc. 256
72.46.124.0/22 Boston Colocation, Inc. 1024
74.113.201.0/24 XNS Technology Group Inc. 256
91.212.100.0/24 Tal Mukdasi 256
91.212.107.0/24 Tal Mukdasi 256
91.212.120.0/24 Tal Mukdasi 256
91.232.255.0/24 Yazamnik Ltd 256
91.233.20.0/24 Yazamnik Ltd 256
91.233.54.0/24 Yazamnik Ltd 256
91.233.89.0/24 Yazamnik Ltd 256
93.190.244.0/24 ORG-UL195-RIPE 256
93.190.246.0/24 ORG-UL195-RIPE 256
93.190.247.0/24 US-UNLEASHTHEPOWEROFYOU-20190611 256
104.129.172.0/24 Splunk 256
104.129.173.0/24 Splunk 256
104.129.174.0/24 Splunk inc. 256
104.129.175.0/24 Splunk inc. 256
104.143.8.0/24 GigeNET 256
141.193.20.0/24 RapidSeedbox Ltd 256
154.3.45.0/24 Charles River Operation 256
154.9.0.0/24 Performance Systems International 256
154.13.0.0/24 Charles River Operation, LLC 256
156.96.50.0/23 NEWTREND 512
156.96.52.0/23 NEWTREND 512
156.96.54.0/23 NEWTREND 512
156.96.108.0/23 NEWTREND 512
156.96.110.0/23 NEWTREND 512
156.96.120.0/23 NEWTREND 512
156.96.122.0/23 NEWTREND 512
156.96.124.0/23 NEWTREND 512
156.96.126.0/23 NEWTREND 512
156.96.144.0/24 NEWTREND 256
156.96.145.0/24 NEWTREND 256
156.96.146.0/24 NEWTREND 256
156.96.158.0/23 NEWTREND 512
162.255.208.0/23 XNS Technology Group Inc. 512
162.255.212.0/23 XNS Technology Group Inc. 512
185.104.190.0/23 EndOffice 512
192.203.175.0/24 Macross Information Systems 256
193.5.125.0/24 Express English LTD 256
193.23.249.0/24 Mikhail Alekseev 256
193.23.250.0/24 Mikhail Alekseev 256
193.32.8.0/24 Yehuda Mukdasi 256
199.5.179.0/24 Visara International 256
199.5.182.0/24 Visara International 256
204.48.52.0/24 Visara International 256
204.48.62.0/24 Visara International 256
204.48.63.0/24 Visara International 256
206.197.231.0/24 Accord Software, Inc. 256
CIDR Description IP NUMs(prefix /64)
2602:fe6d::/36 Charles River Operation 268435456
2606:6680:13::/48 SmartHost LLC 65536
AS Description Country/Region IPv4 NUMs IPv6 NUMs IPv4 IPv6
AS46887 LIGHTOWER - Lightower Fiber Networks I, LLC, US United States 784,640 5,906,235,392 IPv6 IPv6
AS174 COGENT-174 - Cogent Communications, US United States 27,576,832 310,095,085,568 IPv4 IPv4 IPv6 IPv6
IP Address Domain NUMs Domains
38.124.1.34 28 colinhill.com
38.124.1.36 4 ns1.pinnacledigital.com
38.124.1.37 2 ns2.pinnacledigital.com
38.124.1.46 1 blackfrogomnicorp.com
38.124.1.50 3 harrisoundstudios.com
38.124.1.51 3 auth.vore-station.net
38.124.1.55 2 armandrock.com
38.124.1.90 4 svsensor.com
38.124.1.106 2 oazouo.com
38.124.1.107 2 oazouo.com
ASNumber:       64249
ASName:         ENDOFFICE
ASHandle:       AS64249
RegDate:        2016-04-08
Updated:        2016-04-08
Comment:        www.endoffice.com    
Ref:            https://rdap.arin.net/registry/autnum/64249


OrgName:        Charles River Operation
OrgId:          JC-328
Address:        6 Liberty Sq., Ste. 170
City:           Boston
StateProv:      MA
PostalCode:     02109
Country:        US
RegDate:        2016-04-04
Updated:        2018-05-01
Comment:        http://www.endoffice.com
Ref:            https://rdap.arin.net/registry/entity/JC-328


OrgTechHandle: COPSO-ARIN
OrgTechName:   Copson, Jay 
OrgTechPhone:  +1-978-344-2656 
OrgTechEmail:  [email protected]
OrgTechRef:    https://rdap.arin.net/registry/entity/COPSO-ARIN

OrgNOCHandle: COPSO-ARIN
OrgNOCName:   Copson, Jay 
OrgNOCPhone:  +1-978-344-2656 
OrgNOCEmail:  [email protected]
OrgNOCRef:    https://rdap.arin.net/registry/entity/COPSO-ARIN

OrgAbuseHandle: COPSO-ARIN
OrgAbuseName:   Copson, Jay 
OrgAbusePhone:  +1-978-344-2656 
OrgAbuseEmail:  [email protected]
OrgAbuseRef:    https://rdap.arin.net/registry/entity/COPSO-ARIN