BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#1801	AS64226 MDU Resources Group, Inc.	Active	14	133,376
#1802	AS41750 Mega-Line Ltd.	Active	26	133,376
#1803	AS135348 QANTAS Airways Limited	Active	10	133,120
#1804	AS38474 Department of Agriculture, Fisheries and Forestry	Active	4	133,120
#1805	AS89 Navy Network Information Center (NNIC)	Active	6	133,120
#1806	AS22527 Safeway, Inc.	Active	10	133,120
#1807	AS29842 East Tennessee State University	Active	9	133,120
#1808	AS12099 OAKWOOD HEALTHCARE INC	Active	9	133,120
#1809	AS16246 Nej.cz s.r.o.	Active	13	133,120
#1810	AS14241 Oakland Schools	Active	11	133,120
#1811	AS54885 State of Idaho	Active	15	133,120
#1812	AS27257 Webair Internet Development Company Inc.	Active	79	133,120
#1813	AS12810 A1 Hrvatska d.o.o.	Active	11	132,864
#1814	AS198864 Queen Mary and Westfield College, University of London	Active	5	132,864
#1815	AS13809 University of Arkansas for Medical Sciences	Active	5	132,864
#1816	AS54489 CoreSpace, Inc.	Active	9	132,864
#1817	AS18268 Naganoken Kyodou Densan Co.Ltd.	Active	5	132,608
#1818	AS16623 Alberta Health Services	Active	8	132,608
#1819	AS8544 Primetel PLC	Active	168	132,608
#1820	AS18564 St. John's University, New York	Active	9	132,608
#1821	AS3359 University of Alberta	Active	6	132,608
#1822	AS395965 Carrytel	Active	64	132,608
#1823	AS6200 University of Illinois Chicago	Active	6	132,352
#1824	AS22847 Bowdoin College	Active	5	132,352
#1825	AS1970 Texas A&M University	Active	8	132,352
#1826	AS6356 Northeast Regional Data Center	Active	6	132,352
#1827	AS3562 Sandia National Laboratories	Active	7	132,352
#1828	AS62044 Zscaler Switzerland GmbH	Active	362	132,352
#1829	AS21704 New York City Board of Education	Active	46	132,352
#1830	AS18191 OPTUS CUSTOMER NETWORK	Active	5	132,352
#1831	AS1251 Latin American and Caribbean IP address Regional Registry	Active	39	132,096
#1832	AS341	Active	6	132,096
#1833	AS679 Technische Universitat Wien	Active	2	132,096
#1834	AS37917 University of Tsukuba	Active	3	132,096
#1835	AS9753 Dong-A Universirty	Active	24	132,096
#1836	AS7764 U. S. Bureau of the Census	Active	9	132,096
#1837	AS2504 Kyoto University	Active	4	132,096
#1838	AS53828 NETWORK INNOVATIONS, LLC	Active	20	132,096
#1839	AS2269 Renater	Active	6	132,096
#1840	AS21293 Norsk Rikskringkasting AS	Active	3	132,096
#1841	AS29 Yale University	Active	6	132,096
#1842	AS1556	Active	5	132,096
#1843	AS131 University of California, Santa Barbara	Active	5	132,096
#1844	AS53585 The State Insurance Fund	Active	7	132,096
#1845	AS4796 Institute of Technology Bandung	Active	5	132,096
#1846	AS395400 UNIVERSITY OF GUAM	Active	6	132,096
#1847	AS20337 SUNY Institute of Technology	Active	5	131,840
#1848	AS24961 myLoc managed IT AG	Active	49	131,840
#1849	AS17944 Japan Weather Association	Active	5	131,840
#1850	AS31 California Institute of Technology	Active	5	131,840
#1851	AS2013 PG&E	Active	5	131,840
#1852	AS5719 SUNY at Stony Brook	Active	5	131,840
#1853	AS2025 University of Toledo	Active	4	131,840
#1854	AS24014 Bond University Limited	Active	4	131,840
#1855	AS8792 Axel Springer SE	Active	7	131,840
#1856	AS19332 Marcatel Com, S.A. de C.V.	Active	20	131,840
#1857	AS10370 Northwest Airlines	Active	5	131,840
#1858	AS14822 Memorial Sloan-Kettering Cancer Center	Active	6	131,840
#1859	AS398537 Kutztown University	Active	5	131,840
#1860	AS398564 Edinboro University of Pennsylvania	Active	13	131,840
#1861	AS5707 The University of Texas Health Science Center at Houston	Active	3	131,584
#1862	AS8414 International Telecommunication Union	Active	5	131,584
#1863	AS209237 NPL Management LTD	Active	4	131,584
#1864	AS351	Active	3	131,584
#1865	AS398655 California University of Pennsylvania	Active	4	131,584
#1866	AS11279 George Mason University	Active	8	131,584
#1867	AS26753 In2net Network Inc.	Active	23	131,584
#1868	AS1580	Active	4	131,584
#1869	AS43375 EUROPEAN PARLIAMENT	Active	4	131,584
#1870	AS398573 Lock Haven University	Active	4	131,584
#1871	AS51645 JSC "ER-Telecom Holding"	Active	108	131,584
#1872	AS9342 Australian Broadcasting Corporation	Active	4	131,584
#1873	AS63319 Fairleigh Dickinson University	Active	4	131,584
#1874	AS13748 Cold Spring Harbor Laboratory	Active	5	131,584
#1875	AS398663 Shippensburg University	Active	4	131,584
#1876	AS1239 Sprint	Active	2	131,584
#1877	AS398471 Mansfield University	Active	4	131,584
#1878	AS2024 Eversource Energy	Active	4	131,584
#1879	AS36081 State of Colorado General Government Computer	Active	4	131,584
#1880	AS1754 Deutsches Elektronen-Synchrotron DESY	Active	4	131,584
#1881	AS11834 Drexel University	Active	4	131,584
#1882	AS1563	Active	3	131,328
#1883	AS43857 Fraport AG Frankfurt Airport Services Worldwide	Active	10	131,328
#1884	AS2544 King County Gov	Active	22	131,328
#1885	AS7509 Hokkaido University	Active	3	131,328
#1886	AS1832 Southern Methodist University	Active	3	131,328
#1887	AS29885 Univeristy of Chicago Hospitals & Health System	Active	4	131,328
#1888	AS365	Active	3	131,328
#1889	AS3778 Temple University	Active	3	131,328
#1890	AS61612	Active	4	131,328
#1891	AS9411 Kasetsart University, Thailand	Active	18	131,328
#1892	AS17687 National University Corporation Nagoya University	Active	3	131,328
#1893	AS14048 The University of Memphis	Active	4	131,328
#1894	AS33602 Tele-Universite	Active	5	131,328
#1895	AS5831	Active	3	131,328
#1896	AS3676 University of Iowa	Active	3	131,328
#1897	AS46290 MtSAC	Active	4	131,328
#1898	AS31886 University of Guelph	Active	4	131,328
#1899	AS4274 Assumption University	Active	108	131,328
#1900	AS30674 Baylor University	Active	10	131,328

Showing 1801 to 1900 of total 89275 entries

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Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

133,376

133,376

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

132,608

132,608

132,608

132,608

132,608

132,608

132,352

132,352

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

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,840

131,584

131,584

131,584

131,584

131,584

131,584

131,584