BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#1801	AS3724 State of Alaska	Active	13	134,144
#1802	AS11596 Best Buy Co., Inc.	Active	14	134,144
#1803	AS10583 Connecticut Hospital Assoc.	Active	12	134,144
#1804	AS21693 Xcel Energy Inc.	Active	14	134,144
#1805	AS9939 DYXNET of Shenzhen Communication Co., Ltd.	Active	31	134,144
#1806	AS4246 New Jersey Institute of Technology	Active	12	134,144
#1807	AS20478 General Mills, Inc.	Active	11	133,888
#1808	AS50 Oak Ridge National Laboratory	Active	10	133,632
#1809	AS3512 Emory University	Active	5	133,632
#1810	AS41701 Capgemini Finland Oy	Active	7	133,376
#1811	AS56005 Zhengzhou Fastidc Technology Co.,Ltd.	Active	10	133,376
#1812	AS64226 MDU Resources Group, Inc.	Active	14	133,376
#1813	AS135348 QANTAS Airways Limited	Active	10	133,120
#1814	AS38474 Department of Agriculture, Fisheries and Forestry	Active	4	133,120
#1815	AS89 Navy Network Information Center (NNIC)	Active	6	133,120
#1816	AS22527 Safeway, Inc.	Active	10	133,120
#1817	AS29842 East Tennessee State University	Active	9	133,120
#1818	AS12099 OAKWOOD HEALTHCARE INC	Active	9	133,120
#1819	AS16246 Nej.cz s.r.o.	Active	13	133,120
#1820	AS14241 Oakland Schools	Active	11	133,120
#1821	AS54885 State of Idaho	Active	15	133,120
#1822	AS27257 Webair Internet Development Company Inc.	Active	79	133,120
#1823	AS41750 Mega-Line Ltd.	Active	25	133,120
#1824	AS64267 Sprious LLC	Active	500	133,120
#1825	AS12810 A1 Hrvatska d.o.o.	Active	11	132,864
#1826	AS198864 Queen Mary and Westfield College, University of London	Active	5	132,864
#1827	AS26818 Columbus Public Schools	Active	7	132,864
#1828	AS13809 University of Arkansas for Medical Sciences	Active	5	132,864
#1829	AS54489 CoreSpace, Inc.	Active	9	132,864
#1830	AS47764 LLC VK	Active	92	132,864
#1831	AS18268 Naganoken Kyodou Densan Co.Ltd.	Active	5	132,608
#1832	AS16623 Alberta Health Services	Active	8	132,608
#1833	AS8544 Primetel PLC	Active	168	132,608
#1834	AS18564 St. John's University, New York	Active	9	132,608
#1835	AS3359 University of Alberta	Active	6	132,608
#1836	AS395965 Carrytel	Active	64	132,608
#1837	AS6200 University of Illinois Chicago	Active	6	132,352
#1838	AS22847 Bowdoin College	Active	5	132,352
#1839	AS1970 Texas A&M University	Active	8	132,352
#1840	AS6356 Northeast Regional Data Center	Active	6	132,352
#1841	AS3562 Sandia National Laboratories	Active	7	132,352
#1842	AS18191 OPTUS CUSTOMER NETWORK	Active	5	132,352
#1843	AS24961 myLoc managed IT AG	Active	50	132,096
#1844	AS1251 Latin American and Caribbean IP address Regional Registry	Active	39	132,096
#1845	AS341	Active	6	132,096
#1846	AS679 Technische Universitat Wien	Active	2	132,096
#1847	AS37917 University of Tsukuba	Active	3	132,096
#1848	AS9753 Dong-A Universirty	Active	24	132,096
#1849	AS7764 U. S. Bureau of the Census	Active	9	132,096
#1850	AS2504 Kyoto University	Active	4	132,096
#1851	AS53828 NETWORK INNOVATIONS, LLC	Active	20	132,096
#1852	AS2269 Renater	Active	6	132,096
#1853	AS21293 Norsk Rikskringkasting AS	Active	3	132,096
#1854	AS29 Yale University	Active	6	132,096
#1855	AS1556	Active	5	132,096
#1856	AS131 University of California, Santa Barbara	Active	5	132,096
#1857	AS53585 The State Insurance Fund	Active	7	132,096
#1858	AS4796 Institute of Technology Bandung	Active	5	132,096
#1859	AS395400 UNIVERSITY OF GUAM	Active	6	132,096
#1860	AS20337 SUNY Institute of Technology	Active	5	131,840
#1861	AS17944 Japan Weather Association	Active	5	131,840
#1862	AS31 California Institute of Technology	Active	5	131,840
#1863	AS2013 PG&E	Active	5	131,840
#1864	AS5719 SUNY at Stony Brook	Active	5	131,840
#1865	AS2025 University of Toledo	Active	4	131,840
#1866	AS24014 Bond University Limited	Active	4	131,840
#1867	AS8792 Axel Springer SE	Active	7	131,840
#1868	AS19332 Marcatel Com, S.A. de C.V.	Active	20	131,840
#1869	AS10370 Northwest Airlines	Active	5	131,840
#1870	AS14822 Memorial Sloan-Kettering Cancer Center	Active	6	131,840
#1871	AS398537 Kutztown University	Active	5	131,840
#1872	AS398564 Edinboro University of Pennsylvania	Active	13	131,840
#1873	AS5707 The University of Texas Health Science Center at Houston	Active	3	131,584
#1874	AS8414 International Telecommunication Union	Active	5	131,584
#1875	AS209237 NPL Management LTD	Active	4	131,584
#1876	AS1554	Active	14	131,584
#1877	AS351	Active	3	131,584
#1878	AS398655 California University of Pennsylvania	Active	4	131,584
#1879	AS11279 George Mason University	Active	8	131,584
#1880	AS26753 In2net Network Inc.	Active	23	131,584
#1881	AS1580	Active	4	131,584
#1882	AS43375 EUROPEAN PARLIAMENT	Active	4	131,584
#1883	AS398573 Lock Haven University	Active	4	131,584
#1884	AS51645 JSC "ER-Telecom Holding"	Active	108	131,584
#1885	AS63319 Fairleigh Dickinson University	Active	4	131,584
#1886	AS13748 Cold Spring Harbor Laboratory	Active	5	131,584
#1887	AS398663 Shippensburg University	Active	4	131,584
#1888	AS398471 Mansfield University	Active	4	131,584
#1889	AS2024 Eversource Energy	Active	4	131,584
#1890	AS36081 State of Colorado General Government Computer	Active	4	131,584
#1891	AS1754 Deutsches Elektronen-Synchrotron DESY	Active	4	131,584
#1892	AS11834 Drexel University	Active	4	131,584
#1893	AS1563	Active	3	131,328
#1894	AS43857 Fraport AG Frankfurt Airport Services Worldwide	Active	10	131,328
#1895	AS2544 King County Gov	Active	22	131,328
#1896	AS7509 Hokkaido University	Active	3	131,328
#1897	AS1832 Southern Methodist University	Active	3	131,328
#1898	AS29885 Univeristy of Chicago Hospitals & Health System	Active	4	131,328
#1899	AS365	Active	3	131,328
#1900	AS3778 Temple University	Active	3	131,328

Showing 1801 to 1900 of total 89829 entries

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Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

134,144

134,144

134,144

134,144

134,144

134,144

133,888

133,632

133,632

133,376

133,376

133,376

133,120

133,120

133,120

133,120

133,120

133,120

133,120

133,120

133,120

133,120

133,120

133,120

132,864

132,864

132,864

132,864

132,864

132,864

132,608

132,608

132,608

132,608

132,608

132,608

132,352

132,352

132,352

132,352

132,352

132,352

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

132,096

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840