← Back to Search
General Information
Name:
Charles River Operation
Domain:
endoffice.com
Country:
US
Type:
hosting
Registry:
ARIN
Prefix Counts
IPv4 Count:
22,784
IPv6 Count:
84,801,310,542,687,778,088,939,421,696
IPv4 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status | Size |
|---|---|---|---|---|---|---|
| 5.182.51.0/24 | US | SMARTHOST | SMARTHOST | RIPE_NCC | ASSIGNED PA | 256 |
| 5.182.199.0/24 | US | US-FXCAPITAL-20190408 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 38.124.1.0/24 | US | NET-38-124-1-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.146.52.0/24 | US | NET-38-146-52-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.146.55.0/24 | US | NET-38-146-55-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.146.57.0/24 | US | NET-38-146-57-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.242.7.0/24 | US | NET-38-242-7-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.242.12.0/24 | US | NET-38-242-12-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.242.18.0/24 | US | NET-38-242-18-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 38.242.24.0/24 | US | NET-38-242-24-0-1 | Charles River Operation | ARIN | reallocation | 256 |
| 44.32.53.0/24 | US | AMPRNET | Amateur Radio Digital Communications | ARIN | allocation | 256 |
| 44.104.110.0/24 | US | AMPRNET | Amateur Radio Digital Communications | ARIN | allocation | 256 |
| 45.10.23.0/24 | US | SMARTHOST-NET8 | SMARTHOST-NET8 | RIPE_NCC | SUB-ALLOCATED PA | 256 |
| 45.67.142.0/24 | US | US-FXCAPITAL-20190218 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 45.67.143.0/24 | US | US-FXCAPITAL-20190218 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 45.67.144.0/24 | US | US-FXCAPITAL-20190218 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 45.91.248.0/24 | US | SMARTHOST | SMARTHOST | RIPE_NCC | SUB-ALLOCATED PA | 256 |
| 63.246.128.0/24 | US | US-FXCAPITAL-20021024 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 63.246.156.0/24 | US | Vivid-LA-NET | Vivid-LA-NET | RIPE_NCC | ASSIGNED PA | 256 |
| 63.246.157.0/24 | GB | US-FXCAPITAL-20021024 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 63.251.142.0/24 | US | INAP-BSN-ENDOFFICE-63-251-142-0 | Private Customer | ARIN | reassignment | 256 |
| 66.150.192.0/24 | US | INAP-BSN-ENDOFFICE-66-150-192-0 | Endoffice | ARIN | reassignment | 256 |
| 66.150.196.0/24 | US | ENDOFFICE-MSR-1 | Charles River Operation | ARIN | reassignment | 256 |
| 66.150.198.0/24 | US | INAP-BSN-ENDOFFICE-66-150-198-0 | Private Customer | ARIN | reassignment | 256 |
| 67.22.61.0/24 | US | CL-970 | Cloudip LLC | ARIN | allocation | 256 |
| 67.22.62.0/24 | US | LTE-WIRELESS | Verizon Business | ARIN | reassignment | 256 |
| 69.25.200.0/24 | US | PNAP-BSN-ENDO-001 | Charles River Operation | ARIN | reassignment | 256 |
| 74.118.68.0/24 | US | TSL-350 | Taozen Services LLC | ARIN | allocation | 256 |
| 74.118.69.0/24 | US | TSL-350 | Taozen Services LLC | ARIN | allocation | 256 |
| 74.118.70.0/24 | US | TSL-350 | Taozen Services LLC | ARIN | allocation | 256 |
| 74.118.71.0/24 | US | TSL-350 | Taozen Services LLC | ARIN | allocation | 256 |
| 79.98.181.0/24 | US | LA-VIViD-Net | LA-VIViD-Net | RIPE_NCC | SUB-ALLOCATED PA | 256 |
| 83.143.107.0/24 | US | SMARTHOST-LEASE | SMARTHOST-LEASE | RIPE_NCC | ASSIGNED PA | 256 |
| 92.249.28.0/24 | US | US-FXCAPITAL-20181121 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 94.154.168.0/23 | US | US-FXCAPITAL-20181122 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 512 |
| 94.154.176.0/24 | US | US-FXCAPITAL-20181122 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 94.154.179.0/24 | US | US-FXCAPITAL-20181122 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 102.129.141.0/24 | US | SmartHost | SmartHost | AFRINIC | ASSIGNED PA | 256 |
| 144.86.187.0/24 | US | TSL-350 | Taozen Services LLC | ARIN | allocation | 256 |
| 147.189.137.0/24 | US | SMARTHOST-147-189-137-0 | SMARTHOST, LLC | RIPE_NCC | LEGACY | 256 |
| 154.3.45.0/24 | US | NET-154-3-45-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 154.3.129.0/24 | US | CHARLES-RIVER-CGNT-NET-3 | Charles River Operation | ARIN | reallocation | 256 |
| 154.3.222.0/24 | US | NET-154-3-222-0-1 | Charles River Operation | ARIN | reassignment | 256 |
| 154.3.236.0/24 | US | COGENT-154-3-16 | Psinet, Inc. | ARIN | allocation | 256 |
| 154.3.237.0/24 | US | COGENT-154-3-16 | Psinet, Inc. | ARIN | allocation | 256 |
| 154.9.0.0/24 | US | PSINET-B2-9 | Performance Systems International | ARIN | allocation | 256 |
| 154.9.154.0/24 | US | PSINET-B2-9 | Performance Systems International | ARIN | allocation | 256 |
| 154.12.2.0/24 | US | COGENT-154-12-16 | Psinet, Inc. | ARIN | allocation | 256 |
| 154.12.6.0/24 | US | COGENT-154-12-16 | Psinet, Inc. | ARIN | allocation | 256 |
| 154.13.0.0/24 | US | CHARLESRIVER-CGNT-NET-4 | Charles River Operation | ARIN | reallocation | 256 |
| 154.39.0.0/24 | US | COGENT-154-39-16 | Psinet, Inc. | ARIN | allocation | 256 |
| 154.39.2.0/24 | US | CHARLES-RIVER-CGNT-NET-2 | Charles River Operation | ARIN | reallocation | 256 |
| 192.203.175.0/24 | US | MACROSS | Macross Information Systems | ARIN | allocation | 256 |
| 193.148.94.0/24 | US | US-FXCAPITAL-20181024 | Wired ISP Inc. | RIPE_NCC | ALLOCATED PA | 256 |
| 198.11.119.0/24 | US | RUELALA-INC | Rue La La INC | ARIN | allocation | 256 |
| 206.197.231.0/24 | US | ACCORD-NET | Accord Software, Inc. | ARIN | allocation | 256 |
| 207.32.128.0/19 | US | PNL-71 | 20 Point Networks LLC | ARIN | allocation | 8,192 |
IPv6 Prefixes
| CIDR | Country | Network Name | Organization | Registry | Status |
|---|---|---|---|---|---|
| 2001:4830:c210::/48 | US | TWDX-NET6BLK-ARIN-1 | Towardex Technologies International, Inc. | ARIN | allocation |
| 2001:4830:c900::/40 | US | TWDX6-2001-4830-C900--1 | Charles River Operation | ARIN | reallocation |
| 2602:fabc::/40 | US | SEMTELCO-IP6-PHX-01 | SEMTELCO, INC | ARIN | allocation |
| 2602:fe6d::/36 | US | ENDOFFICE-BOSTON | Charles River Operation | ARIN | allocation |
| 2606:6680:13::/48 | US | SMARTHOST | Smarthost LLC | ARIN | allocation |
| 2607:5840::/32 | US | TALON-NET6-1 | Talon Voice, LLC | ARIN | allocation |
