BlockAlert: A window into spam activity based on IP block hierarchy.



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Start Stop Owner Domains  IPs  InQty  Last UC/BE

072.009.144.000 072.009.159.255 Tailor Made Servers   0
072.009.192.000 072.009.223.255 Telesphere Networks Ltd   0
072.009.224.000 072.009.255.255 Global Net Access, LLC   0
072.011.128.000 072.011.159.255 OC3 Networks & Web Solutions, LLC   0
072.014.064.000 072.014.127.255 ISP Alliance, INC   0
072.014.192.000 072.014.255.255 Google Inc 20100817 135600 0
072.015.144.000 072.015.159.255 Magma Communications Ltd   0
072.018.128.000 072.018.159.255 WeHostWebSites.com   0
072.018.192.000 072.018.207.255 A+Hosting, Inc   0
072.020.000.000 072.020.063.255 Staminus Communications 20100823 111601 0
072.021.000.000 072.021.031.255 Colo Solutions, Inc   0
072.021.032.000 072.021.063.255 Layered Technologies, Inc   0
072.021.064.000 072.021.079.255 Urbanmyth Communications   0
072.021.080.000 072.021.095.255 EdgeCast Networks, Inc   0
072.021.192.000 072.021.223.255 Amazon.com, Inc 13  20100806 105101 0
072.022.064.000 072.022.095.255 iPowerWeb, Inc   0
072.024.000.000 072.024.255.255 CABLE ONE   0
072.025.064.000 072.025.127.255 DSL Extreme   0
072.026.096.000 072.026.127.255 Alchemy Communications, Inc   0
072.026.192.000 072.026.223.255 MJK (JA) Limited   0
072.026.224.000 072.026.239.255 Infortech Corporation   0
072.027.000.000 072.027.223.255 Cable and Wireless Jamaica   0
072.028.000.000 072.028.063.255 Adams CATV, Inc   0
072.029.000.000 072.029.031.255 CYBERCON, INC 20100726 182101 0
072.029.064.000 072.029.095.255 HostDime.com, Inc 13  20100906 225600 0
072.029.096.000 072.029.127.255 Colo4Dallas LP   0
072.030.000.000 072.030.255.255 Inktomi Corporation   0
072.032.000.000 072.032.255.255 Rackspace.com, Ltd 10  20100908 073101 0
072.034.032.000 072.034.063.255 IH Networks 20100829 212105 0
072.034.224.000 072.034.255.255 Premier Innovations, LLC   0
072.035.064.000 072.035.095.255 Bocacom.net LLC   0
072.035.224.000 072.035.239.255 FUZION COLO   0
072.036.128.000 072.036.255.255 Layered Technologies, Inc   0
072.037.128.000 072.037.255.255 Mzima Networks, Inc   0
072.038.000.000 072.039.255.255 Cogeco Cable Inc   0
072.041.000.000 072.041.255.255 Ecommerce Corporation   0
072.043.000.000 072.043.255.255 Road Runner HoldCo LLC   0
072.045.000.000 072.045.063.255 Atlantic Broadband Finance, LLC   0
072.046.128.000 072.046.159.255 R & D Technologies, LLC   0
072.046.192.000 072.046.223.255 ETS TELEPHONE COMPANY, INC   0
072.046.224.000 072.046.255.255 TERRENAP DATA CENTERS, INC   0
072.047.000.000 072.047.191.255 Cebridge Connections   0
072.047.192.000 072.047.255.255 Media Temple, Inc 20100727 110101 0
072.048.000.000 072.048.255.255 Grande Communications Networks, Inc   0
072.051.000.000 072.051.063.255 Peer 1 Network Inc 20100905 173603 0
072.051.128.000 072.051.255.255 New Wave Communications   0
072.052.000.000 072.052.063.255 Prolexic Technologies, Inc   0
072.052.064.000 072.052.127.255 Hurricane Electric, Inc 20100826 094601 0
072.052.128.000 072.052.255.255 SourceDNS 20100903 170602 0
072.053.192.000 072.053.255.255 Motricity, Inc   0
072.055.128.000 072.055.191.255 iWeb Technologies Inc   0
072.128.000.000 072.135.255.255 Road Runner HoldCo LLC   0
072.136.000.000 072.143.255.255 Rogers Cable Communications Inc   0
072.144.000.000 072.159.255.255 BellSouth.net Inc   0
072.164.000.000 072.166.255.255 Qwest Communications Corporation 20100904 172603 0
072.167.000.000 072.167.255.255 GoDaddy.com, Inc 12  12  19  20100908 125601 0
072.172.192.000 072.172.223.255 Fidelity Communication Internati...   0
072.176.000.000 072.191.255.255 Road Runner HoldCo LLC   0
072.224.000.000 072.231.255.255 Road Runner HoldCo LLC   0
072.232.000.000 072.233.127.255 Layered Technologies, Inc 20100731 051101 0
072.234.000.000 072.235.255.255 Hawaiian Telcom Services Company...   0
072.236.000.000 072.237.255.255 Level 3 Communications, Inc   0
072.240.000.000 072.241.255.255 Buckeye Cablevision, Inc   0
072.244.000.000 072.245.255.255 Covad Communications Co   0
072.246.000.000 072.247.255.255 Akamai Technologies 20100908 101103 0
072.249.000.000 072.249.191.255 Colo4Dallas LP 20100811 130601 0
074.000.000.000 074.002.255.255 Covad Communications Co   0
074.006.000.000 074.006.255.255 Inktomi Corporation   0
074.012.000.000 074.015.255.255 Bell Canada 20100901 183602 0
074.032.000.000 074.047.255.255 Frontier Communications of Ameri...   0
074.050.000.000 074.050.031.255 Lunar Pages 12  20100831 111101 0
074.050.064.000 074.050.095.255 Hostdepartment.com   0
074.052.000.000 074.055.255.255 ThePlanet.com Internet Services... 20  20  40  20100908 152101 0
074.056.000.000 074.057.255.255 Le Groupe Videotron Ltee   0
074.063.192.000 074.063.255.255 Limestone Networks, Inc 20100816 045101 0
074.064.000.000 074.079.255.255 Road Runner HoldCo LLC   0
074.086.000.000 074.086.255.255 SoftLayer Technologies Inc 20100731 073601 0
074.087.000.000 074.087.255.255 Road Runner HoldCo LLC   0
074.092.000.000 074.095.255.255 Comcast Business Communications...   0
074.112.096.000 074.112.099.255 LOGIC TECH SYSTEMS INC   0
074.124.192.000 074.124.223.255 Corporate Colocation Inc 20100803 181101 0
074.125.000.000 074.125.255.255 Google Inc 11  50  20100906 140101 0
074.126.000.000 074.126.031.255 Internet 123, Inc   0
074.126.192.000 074.126.207.255 Apollo Hosting, Inc   0
074.127.000.000 074.127.063.255 CYBERCON, INC   0
074.128.000.000 074.143.255.255 Insight Communications   0
074.160.000.000 074.191.255.255 BellSouth.net Inc   0
074.199.000.000 074.199.127.255 WideOpenWest Finance LLC   0
074.200.202.032 074.200.202.063 CID-19668.74.200.192.0/18   0
074.200.216.000 074.200.223.255 FASTSERVERS-CF.74.200.192.0/18   0
074.200.240.000 074.200.247.255 FASTSERVERS-CF.74.200.192.0/18 20100905 100602 0
074.201.000.000 074.201.255.255 Internap Network Services Corpor... 79  20100908 140600 0
074.202.000.000 074.203.255.255 tw telecom holdings, inc   0
074.205.000.000 074.205.127.255 Rackspace.com, Ltd 20100818 230600 0
074.208.000.000 074.208.191.255 1&1 Internet Inc 21  20100906 172601 0
074.210.000.000 074.210.127.255 Rogers Cable Communications Inc   0
074.210.128.000 074.210.255.255 COGECO Cable Canada Inc   0
074.213.064.000 074.213.127.255 Puerto Rico Cable Acquisition Co...   0
074.213.128.000 074.213.159.255 Hosted Solutions Acquisition, LLC   0
074.216.000.000 074.216.255.255 Allstream Corp. Corporation Alls...   0
074.220.192.000 074.220.223.255 Bluehost Inc 20100907 054104 0
074.222.128.000 074.222.191.255 VPLS Inc. d/b/a Krypt Technologies   0
074.223.000.000 074.223.255.255 NuVox Communications, Inc   0
074.224.000.000 074.255.255.255 BellSouth.net Inc   0
075.000.000.000 075.063.255.255 AT&T Internet Services   0
075.064.000.000 075.075.191.255 Comcast Cable Communications Hol...   0
075.076.000.000 075.076.255.255 KNOLOGY, Inc   0
075.080.000.000 075.087.255.255 Road Runner HoldCo LLC   0
075.101.128.000 075.101.255.255 Amazon.com, Inc 20100829 233601 0
075.118.000.000 075.118.255.255 WideOpenWest LLC   0
075.125.000.000 075.125.255.255 ThePlanet.com Internet Services... 20100902 132103 0
075.126.000.000 075.126.255.255 SoftLayer Technologies Inc 31  20100906 145100 0
075.127.064.000 075.127.127.255 Global Net Access, LLC 20100904 122601 0
075.127.128.000 075.127.255.255 CSC HOLDINGS, Inc. - Static IP S...   0
075.128.000.000 075.143.255.255 Charter Communications   0
075.144.000.000 075.151.255.255 Comcast Business Communications... 20100803 025101 0
075.176.000.000 075.191.255.255 Road Runner HoldCo LLC   0
075.192.000.000 075.255.255.255 Cellco Partnership DBA Verizon W...   0
076.000.000.000 076.007.255.255 Embarq Corporation   0
076.011.000.000 076.011.031.255 EastLink   0
076.012.000.000 076.012.255.255 HostMySite   0
076.014.000.000 076.014.255.255 Wave Broadband, LLC 20100906 112602 0
076.015.000.000 076.015.255.255 EarthLink, Inc   0
076.016.000.000 076.031.255.255 Comcast Cable Communications, Inc   0
076.064.000.000 076.071.255.255 Bell Canada   0
076.074.128.000 076.074.255.255 Peer 1 Network Inc 20100819 040600 0
076.076.000.000 076.076.031.255 Carolina Internet   0
076.076.096.000 076.076.127.255 InterWeb Media   0
076.078.000.000 076.078.255.255 Apogee Telecom Inc   0
076.080.000.000 076.095.255.255 Road Runner HoldCo LLC   0
076.096.000.000 076.127.255.255 Comcast Cable Communications, Inc   0
076.160.000.000 076.161.255.255 Cavalier Telephone   0
076.162.000.000 076.163.255.255 Ecommerce Corporation   0
076.164.192.000 076.164.239.255 R & D Technologies, LLC   0
076.166.000.000 076.167.255.255 Road Runner HoldCo LLC   0
076.168.000.000 076.175.255.255 Road Runner HoldCo LLC   0
076.177.000.000 076.177.255.255 Road Runner HoldCo LLC   0
076.181.000.000 076.181.255.255 Road Runner HoldCo LLC   0
076.184.000.000 076.187.255.255 Road Runner HoldCo LLC   0
076.188.000.000 076.189.255.255 Road Runner HoldCo LLC   0
076.190.000.000 076.190.255.255 Road Runner HoldCo LLC   0
076.192.000.000 076.255.255.255 AT&T Internet Services   0
096.006.000.000 096.007.255.255 Akamai Technologies   0
096.010.000.000 096.011.255.255 Road Runner HoldCo LLC 20100727 093101 0
096.032.000.000 096.042.255.255 Charter Communications   0
097.074.000.000 097.074.255.255 GoDaddy.com, Inc 12  12  13  20100904 124103 0
097.080.000.000 097.095.255.255 Charter Communications   0
098.000.000.000 098.015.255.255 Road Runner HoldCo LLC   0
098.024.000.000 098.031.255.255 Road Runner HoldCo LLC   0
098.124.192.000 098.124.255.255 eNom, Incorporated 20100903 170602 0
098.126.000.000 098.126.255.255 VPLS Inc. d/b/a Krypt Technologies   0
098.129.000.000 098.129.255.255 Rackspace.com, Ltd 20100907 101103 0
098.130.000.000 098.131.255.255 Ecommerce Corporation 20100903 170602 0
098.136.000.000 098.139.255.255 Yahoo! Inc 69  20100904 085101 0
098.140.000.000 098.141.255.255 Cavalier Telephone   0
098.144.000.000 098.157.255.255 Road Runner HoldCo LLC   0
098.192.000.000 098.255.255.255 Comcast Cable Communications, Inc   0
099.000.000.000 099.095.255.255 AT&T Internet Services   0
099.128.000.000 099.191.255.255 AT&T Internet Services   0
099.224.000.000 099.255.255.255 Rogers Cable Communications Inc   0
128.006.000.000 128.006.255.255 Rutgers University   0
128.011.000.000 128.011.255.255 Computer Sciences Corporation   0
128.018.000.000 128.018.255.255 SRI International   0
128.030.000.000 128.030.255.255 Massachusetts Institute of Techn... 10  20100826 103103 0
128.083.000.000 128.083.255.255 University of Texas at Austin   0
128.114.000.000 128.114.255.255 University of California, Santa...   0
128.119.000.000 128.119.255.255 University of Massachusetts   0
128.121.000.000 128.121.031.255 NTT America Data Centers - Sterl...   0
128.121.144.000 128.121.159.255 NTT America Advanced Hosting - S...   0
128.121.240.000 128.121.255.255 NTT America Advanced Hosting - S...   0
128.151.000.000 128.151.255.255 University of Rochester   0
128.167.000.000 128.167.255.255 Computer Sciences Corporation   0
128.168.000.000 128.168.255.255 Gold Hill Computers   0
128.220.000.000 128.220.255.255 Johns Hopkins University   0
128.231.000.000 128.231.255.255 National Institutes of Health   0
128.241.048.000 128.241.063.255 Verio Web Hosting - Sterling   0
128.241.224.000 128.241.239.255 NTT America Data Centers - Sterl...   0
129.007.000.000 129.007.255.255 University of Houston   0
129.033.000.000 129.033.255.255 IBM   0
129.034.000.000 129.034.255.255 IBM Corporation   0
129.041.000.000 129.041.255.255 IBM   0
129.079.000.000 129.079.255.255 Indiana University   0
129.097.000.000 129.097.255.255 University of Waterloo   0
129.107.000.000 129.107.255.255 University of Texas at Arlington   0
129.118.000.000 129.118.255.255 Texas Tech University   0
129.250.132.000 129.250.135.255 Hosting.com   0
130.013.000.000 130.013.255.255 Qwest Broadband Services Inc   0
130.014.000.000 130.014.255.255 National Library of Medicine   0
130.015.000.000 130.015.255.255 Queens University   0
130.063.000.000 130.063.255.255 York University   0
130.094.248.000 130.094.251.255 NTT America Data Centers - San F...   0
130.119.000.000 130.119.255.255 Computer Associates International   0
130.132.000.000 130.132.255.255 Yale University   0
130.207.000.000 130.207.255.255 Georgia Institute of Technology   0
131.210.000.000 131.210.255.255 University of Wisconsin-Parkside   0
132.174.000.000 132.174.255.255 OCLC Online Computer Library Cen... 20100908 101103 0
132.220.000.000 132.220.255.255 Sobeco Group, Inc   0
133.000.000.000 133.255.255.255 Japan Network Information Center   0
134.086.000.000 134.086.255.255 Silicon Compiler Systems   0
136.145.000.000 136.145.255.255 University of Puerto Rico   0
137.030.000.000 137.030.255.255 University of New Orleans   0
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As of: 2010-09-08 19:34:54 GMT-05:00

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