BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#1001	AS2048 State of Louisiana Office of Technology Services	Active	93	295,680
#1002	AS11714 Network Nebraska	Active	34	295,168
#1003	AS136787 TEFINCOM S.A.	Active	1152	295,168
#1004	AS17799 asn for Liaoning Provincial Net of CT	Active	26	294,912
#1005	AS54004 Optimum WiFi	Active	213	294,912
#1006	AS4750 CS LOXINFO PUBLIC COMPANY LIMITED	Active	534	294,656
#1007	AS25180 Exponential-E Ltd.	Active	49	294,400
#1008	AS557 University of Maine System	Active	18	293,376
#1009	AS4758 National Informatics Centre	Active	163	293,120
#1010	AS31034 Aruba S.p.A.	Active	97	293,120
#1011	AS398823 PEG TECH INC	Active	87	292,608
#1012	AS18144 Energia Communications,Inc.	Active	22	291,840
#1013	AS17964 Beijing Dian-Xin-Tong Network Technologies Co., Ltd.	Active	108	291,072
#1014	AS29066 Host Europe GmbH	Active	447	289,536
#1015	AS23563 SK Broadband Co Ltd	Active	194	289,024
#1016	AS54614 CIK Telecom INC	Active	132	288,512
#1017	AS17841 NATIONAL INFORMATION RESOURCES SERVICE	Active	454	288,000
#1018	AS22689 Latin American and Caribbean IP address Regional Registry	Active	38	288,000
#1019	AS7127 Southern California Edison	Active	6	286,976
#1020	AS12929 Telia Norge AS	Active	6	286,976
#1021	AS20960 TK Telekom sp. z o.o.	Active	8	286,720
#1022	AS7602 Sai gon Postel Corporation	Active	74	286,720
#1023	AS8972 Host Europe GmbH	Active	393	285,952
#1024	AS46261 QuickPacket, LLC	Active	413	284,160
#1025	AS16342 Toya sp.z.o.o	Active	11	283,648
#1026	AS58453 Level 30, Tower 1	Active	71	282,880
#1027	AS2854 LLC Orange Business Services	Active	26	281,088
#1028	AS127 Jet Propulsion Laboratory	Active	27	280,320
#1029	AS13693 Vexus Fiber	Active	403	280,320
#1030	AS8147 Ericsson Inc.	Active	11	280,064
#1031	AS35141 A1 Bulgaria EAD	Active	401	279,808
#1032	AS35228 Telefonica UK Limited	Active	89	279,808
#1033	AS393249 University of British Columbia	Active	41	279,808
#1034	AS12708 TalkTalk Communications Limited	Active	12	279,552
#1035	AS47794 Etihad Atheeb Telecom Company	Active	175	279,552
#1036	AS152194 CTG Server Limited	Active	709	278,784
#1037	AS36891 Icosnet	Active	35	278,784
#1038	AS10199	Active	84	278,528
#1039	AS23352 Server Central Network	Active	112	277,504
#1040	AS20021 Ntirety, Inc.	Active	34	276,480
#1041	AS32613 iWeb Technologies Inc.	Active	58	274,688
#1042	AS17222 Latin American and Caribbean IP address Regional Registry	Active	68	273,920
#1043	AS10103 HK Broadband Network Ltd.	Active	408	273,664
#1044	AS8570 PJSC Rostelecom	Active	21	272,640
#1045	AS17477 Macquarie Telecom	Active	141	271,872
#1046	AS51375 STC BAHRAIN B.S.C CLOSED	Active	381	271,616
#1047	AS5180	Active	55	271,360
#1048	AS18118 CITIC Networks Management Co.,Ltd.	Active	30	271,360
#1049	AS8796 FASTNET DATA INC	Active	539	271,104
#1050	AS122 UPMC	Active	9	270,848
#1051	AS3477 National Oceanic and Atmospheric Administration	Active	74	270,592
#1052	AS11975 The College of William and Mary	Active	8	270,592
#1053	AS27759 ACCESS HAITI S.A.	Active	154	270,592
#1054	AS37671 3S INF	Active	57	269,568
#1055	AS2576 U. S. Department of Transportation	Active	20	269,312
#1056	AS15914 British Airways plc	Active	30	269,056
#1057	AS38809 Vocus Advanced Services	Active	76	269,056
#1058	AS15108 Allo Communications LLC	Active	49	269,056
#1059	AS8569 METRO Digital GmbH	Active	40	268,800
#1060	AS51604 JSC "ER-Telecom Holding"	Active	167	268,800
#1061	AS10273 Florida Power & Light Company	Active	27	268,544
#1062	AS9981 Saero Network Service LTD	Active	80	268,288
#1063	AS4673 NTT DATA CORPORATION	Active	28	267,776
#1064	AS13213 UK-2 Limited	Active	568	267,776
#1065	AS9770 LG HelloVision Corp.	Active	307	267,776
#1066	AS11272 C Spire Fiber	Active	43	267,520
#1067	AS1843 National Aeronautics and Space Administration	Active	14	267,264
#1068	AS202766 Servicios Digitales Codinet S.L.	Active	249	267,264
#1069	AS17864 SK Broadband Co Ltd	Active	29	266,496
#1070	AS10995 PNC Bank N.A.	Active	18	265,984
#1071	AS4663 ELIMNET, INC.	Active	52	265,472
#1072	AS9159 Credit Agricole S.A.	Active	9	265,216
#1073	AS47610 RWTH Aachen University	Active	12	265,216
#1074	AS30449 State of Arizona	Active	17	265,216
#1075	AS28725 CETIN a.s.	Active	7	264,960
#1076	AS91 Rensselaer Polytechnic Institute	Active	8	264,448
#1077	AS10384 Tennessee Valley Authority	Active	14	264,192
#1078	AS37501	Active	11	264,192
#1079	AS6102 CBS inc.	Active	18	263,936
#1080	AS29208 Quantcom, a.s.	Active	34	263,936
#1081	AS9587 26th Floor 333/3 Moo 14 Chai Building	Active	75	263,936
#1082	AS19902 Department of Administrative Services	Active	6	263,680
#1083	AS12390 KCOM GROUP LIMITED	Active	25	263,680
#1084	AS36384 Google LLC	Active	5	263,424
#1085	AS1970 Texas A&M University	Active	10	263,424
#1086	AS8111 Dalhousie University	Active	8	263,168
#1087	AS131285 CHINATELECOM Hubei province Shengji 5G network	Active	8	263,168
#1088	AS27357 Rackspace Hosting	Active	47	263,168
#1089	AS14298 Environmental Protection Agency	Active	5	262,912
#1090	AS7506 GMO Internet,Inc	Active	29	262,912
#1091	AS9488 Seoul National University	Active	20	262,656
#1092	AS14041 University Corporation for Atmospheric Research	Active	6	262,656
#1093	AS55 University of Pennsylvania	Active	6	262,656
#1094	AS197425	Active	5	262,400
#1095	AS11577 Vermont Department of Information and Innovation	Active	7	262,400
#1096	AS822 St. Joseph's Health Care, London	Active	7	262,400
#1097	AS299 University of California, Irvine	Active	5	262,400
#1098	AS16989 The University of Tennessee, Memphis	Active	7	262,400
#1099	AS292 ESnet	Active	1	262,144
#1100	AS291 ESnet	Active	1	262,144

Showing 1001 to 1100 of total 88208 entries

BGP Database

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Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

295,680

295,168

295,168

294,912

294,912

294,656

294,400

293,376

293,120

293,120

292,608

291,840

291,072

289,536

289,024

288,512

288,000

288,000

286,976

286,976

286,720

286,720

285,952

284,160

283,648

282,880

281,088

280,320

280,320

280,064

279,808

279,808

279,808

279,552

279,552

278,784

278,784

278,528

277,504

276,480

274,688

273,920

273,664

272,640

271,872

271,616

271,360

271,360

271,104

270,848

270,592

270,592

270,592

269,568

269,312

269,056

269,056

269,056

268,800

268,800

268,544

268,288

267,776

267,776

267,776

267,520

267,264