BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#1901	AS2013 PG&E	Active	5	131,840
#1902	AS5719 SUNY at Stony Brook	Active	5	131,840
#1903	AS2025 University of Toledo	Active	4	131,840
#1904	AS24014 Bond University Limited	Active	4	131,840
#1905	AS202656 Ivanov Vitaliy Sergeevich	Active	514	131,840
#1906	AS8792 Axel Springer SE	Active	7	131,840
#1907	AS19332 Marcatel Com, S.A. de C.V.	Active	20	131,840
#1908	AS10370 Northwest Airlines	Active	5	131,840
#1909	AS14822 Memorial Sloan-Kettering Cancer Center	Active	6	131,840
#1910	AS398537 Kutztown University	Active	5	131,840
#1911	AS398564 Edinboro University of Pennsylvania	Active	13	131,840
#1912	AS11834 Drexel University	Active	5	131,840
#1913	AS5707 The University of Texas Health Science Center at Houston	Active	3	131,584
#1914	AS8414 International Telecommunication Union	Active	5	131,584
#1915	AS209237 NPL Management LTD	Active	4	131,584
#1916	AS351	Active	3	131,584
#1917	AS398655 California University of Pennsylvania	Active	4	131,584
#1918	AS11279 George Mason University	Active	8	131,584
#1919	AS26753 In2net Network Inc.	Active	23	131,584
#1920	AS1580	Active	4	131,584
#1921	AS43375 EUROPEAN PARLIAMENT	Active	4	131,584
#1922	AS398573 Lock Haven University	Active	4	131,584
#1923	AS51645 JSC "ER-Telecom Holding"	Active	108	131,584
#1924	AS9342 Australian Broadcasting Corporation	Active	4	131,584
#1925	AS63319 Fairleigh Dickinson University	Active	4	131,584
#1926	AS13748 Cold Spring Harbor Laboratory	Active	5	131,584
#1927	AS398663 Shippensburg University	Active	4	131,584
#1928	AS398471 Mansfield University	Active	4	131,584
#1929	AS24771 FCA INFORMATION TECHNOLOGY, EXCELLENCE AND METHODS S.P.A.	Active	4	131,584
#1930	AS2024 Eversource Energy	Active	4	131,584
#1931	AS5739 University of California, Santa Cruz	Active	4	131,584
#1932	AS36081 State of Colorado General Government Computer	Active	4	131,584
#1933	AS1754 Deutsches Elektronen-Synchrotron DESY	Active	4	131,584
#1934	AS11078 Brown University	Active	11	131,328
#1935	AS1563	Active	3	131,328
#1936	AS43857 Fraport AG Frankfurt Airport Services Worldwide	Active	10	131,328
#1937	AS2544 King County Gov	Active	22	131,328
#1938	AS7509 Hokkaido University	Active	3	131,328
#1939	AS1832 Southern Methodist University	Active	3	131,328
#1940	AS29885 Univeristy of Chicago Hospitals & Health System	Active	4	131,328
#1941	AS365	Active	3	131,328
#1942	AS3778 Temple University	Active	3	131,328
#1943	AS61612	Active	4	131,328
#1944	AS9411 Kasetsart University, Thailand	Active	18	131,328
#1945	AS17687 National University Corporation Nagoya University	Active	3	131,328
#1946	AS14048 The University of Memphis	Active	4	131,328
#1947	AS33602 Tele-Universite	Active	5	131,328
#1948	AS5831	Active	3	131,328
#1949	AS3676 University of Iowa	Active	3	131,328
#1950	AS31886 University of Guelph	Active	4	131,328
#1951	AS4274 Assumption University	Active	108	131,328
#1952	AS30674 Baylor University	Active	10	131,328
#1953	AS135893 La Trobe University	Active	3	131,328
#1954	AS13506 US Department of the Treasury	Active	2	131,072
#1955	AS13636 NEC Corporation of America	Active	2	131,072
#1956	AS1289 Colgate University	Active	5	131,072
#1957	AS16153 Servei Catala de la Salut	Active	3	131,072
#1958	AS399697 SUNY College at Brockport	Active	3	131,072
#1959	AS1307 Renater	Active	2	131,072
#1960	AS3794 Texas A&M University	Active	2	131,072
#1961	AS19925 Sunnybrook Health Sciences Centre	Active	3	131,072
#1962	AS2904 Universidad Autonoma De Ciudad Juarez	Active	3	131,072
#1963	AS22990 University at Albany, State University of New York	Active	3	131,072
#1964	AS3452 University of Alabama at Birmingham	Active	3	131,072
#1965	AS2439 Renater	Active	2	131,072
#1966	AS42175 Equinor ASA	Active	2	131,072
#1967	AS15323 Bellevue School District #405	Active	5	131,072
#1968	AS53260 Clark University	Active	3	131,072
#1969	AS16519 University of Colorado Denver	Active	2	131,072
#1970	AS35540 OVH SAS	Active	2	131,072
#1971	AS4729 Japan Atomic Energy Agency	Active	2	131,072
#1972	AS21984 Fairfax County Public Schools	Active	5	131,072
#1973	AS8651 MUFG Securities EMEA PLC	Active	9	131,072
#1974	AS14702 Idaho National Laboratory	Active	2	131,072
#1975	AS34457 Generali Deutschland AG	Active	3	131,072
#1976	AS19899 Miami Dade College	Active	3	131,072
#1977	AS63802 Nippon Telegraph and Telephone East Corporation	Active	2	131,072
#1978	AS2500 WIDE Project	Active	4	131,072
#1979	AS21783 State of Nevada	Active	3	131,072
#1980	AS33105 Halton District School Board	Active	34	131,072
#1981	AS19530 State of North Dakota, ITD	Active	2	131,072
#1982	AS343	Active	2	131,072
#1983	AS65414	Active	2	131,072
#1984	AS11039 The George Washington University	Active	3	131,072
#1985	AS41289 Deutscher Wetterdienst	Active	2	131,072
#1986	AS4211 Maricopa County Government	Active	9	131,072
#1987	AS17120 New Brunswick Department of Education and Early Childhood Development	Active	2	131,072
#1988	AS38641 Osaka Sangyo University	Active	3	131,072
#1989	AS25021 Centre Informatique Etat de Fribourg	Active	2	131,072
#1990	AS15337 Wm. Rainey Harper College	Active	3	131,072
#1991	AS10955 WILLIAM PATERSON UNIVERSITY	Active	5	131,072
#1992	AS1701 National Aeronautics and Space Administration	Active	2	131,072
#1993	AS214692	Active	2	131,072
#1994	AS1926 Tampere University Foundation	Active	2	131,072
#1995	AS7486 News Digital Media Pty Limited	Active	6	131,072
#1996	AS59104 Soka University	Active	3	131,072
#1997	AS17701 Seinan Gakuin University	Active	3	131,072
#1998	AS35632 Societe Francaise Du Radiotelephone - SFR SA	Active	3	131,072
#1999	AS18318 LG HelloVision Corp.	Active	48	131,072
#2000	AS13303 University of Nis	Active	3	131,072

Showing 1901 to 2000 of total 88234 entries

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Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

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

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,584

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,328

131,072

131,072

131,072

131,072

131,072

131,072

131,072

131,072

131,072

131,072

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131,072