BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#1001	AS20910 Baltcom SIA	Active	20	280,064
#1002	AS393249 University of British Columbia	Active	41	279,808
#1003	AS17222 Latin American and Caribbean IP address Regional Registry	Active	81	279,808
#1004	AS398823 PEG TECH INC	Active	84	279,808
#1005	AS13693 Vexus Fiber	Active	406	279,552
#1006	AS22884 TOTAL PLAY TELECOMUNICACIONES SA DE CV	Active	1073	279,296
#1007	AS35228 Telefonica UK Limited	Active	88	278,784
#1008	AS427	Active	12	274,944
#1009	AS27759 ACCESS HAITI S.A.	Active	163	274,688
#1010	AS22351 INTELSAT GLOBAL SERVICE CORPORATION	Active	77	274,688
#1011	AS32613 iWeb Technologies Inc.	Active	54	273,920
#1012	AS51375 STC BAHRAIN B.S.C CLOSED	Active	390	273,920
#1013	AS23352 Server Central Network	Active	98	273,920
#1014	AS8570 PJSC Rostelecom	Active	21	272,640
#1015	AS5180	Active	58	272,128
#1016	AS9770 LG HelloVision Corp.	Active	308	271,872
#1017	AS9981 Saero Network Service LTD	Active	93	271,616
#1018	AS12708 TalkTalk Communications Limited	Active	11	271,360
#1019	AS409	Active	13	270,848
#1020	AS122 UPMC	Active	9	270,848
#1021	AS11975 The College of William and Mary	Active	8	270,592
#1022	AS5390 Euronet Communications B.V.	Active	4	270,336
#1023	AS37671 3S INF	Active	57	269,568
#1024	AS2576 U. S. Department of Transportation	Active	20	269,312
#1025	AS137872 China Mobile Hong Kong Company Limited	Active	131	269,056
#1026	AS15914 British Airways plc	Active	30	269,056
#1027	AS15108 Allo Communications LLC	Active	49	269,056
#1028	AS8569 METRO Digital GmbH	Active	40	268,800
#1029	AS10273 Florida Power & Light Company	Active	27	268,544
#1030	AS44477 STARK INDUSTRIES SOLUTIONS LTD	Active	1000	268,032
#1031	AS4673 NTT DATA CORPORATION	Active	28	267,776
#1032	AS1843 National Aeronautics and Space Administration	Active	14	267,264
#1033	AS38809 Vocus Advanced Services	Active	67	266,496
#1034	AS17864 SK Broadband Co Ltd	Active	29	266,496
#1035	AS10995 PNC Bank N.A.	Active	20	266,496
#1036	AS17561 LARUS Limited	Active	568	266,240
#1037	AS5277	Active	13	265,984
#1038	AS4663 ELIMNET, INC.	Active	52	265,472
#1039	AS30449 State of Arizona	Active	17	265,216
#1040	AS51604 JSC "ER-Telecom Holding"	Active	153	265,216
#1041	AS47610 RWTH Aachen University	Active	12	265,216
#1042	AS9159 Credit Agricole S.A.	Active	9	265,216
#1043	AS28725 CETIN a.s.	Active	7	264,960
#1044	AS10384 Tennessee Valley Authority	Active	14	264,192
#1045	AS37501	Active	11	264,192
#1046	AS9587 26th Floor 333/3 Moo 14 Chai Building	Active	75	263,936
#1047	AS6102 CBS inc.	Active	18	263,936
#1048	AS29208 Quantcom, a.s.	Active	34	263,936
#1049	AS12390 KCOM GROUP LIMITED	Active	24	263,424
#1050	AS19902 Department of Administrative Services	Active	5	263,424
#1051	AS8111 Dalhousie University	Active	8	263,168
#1052	AS131285 CHINATELECOM Hubei province Shengji 5G network	Active	8	263,168
#1053	AS14298 Environmental Protection Agency	Active	5	262,912
#1054	AS7506 GMO Internet,Inc	Active	29	262,912
#1055	AS9488 Seoul National University	Active	20	262,656
#1056	AS14041 University Corporation for Atmospheric Research	Active	6	262,656
#1057	AS36384 Google LLC	Active	3	262,656
#1058	AS299 University of California, Irvine	Active	5	262,400
#1059	AS16989 The University of Tennessee, Memphis	Active	7	262,400
#1060	AS822 St. Joseph's Health Care, London	Active	7	262,400
#1061	AS150436 Byteplus Pte. Ltd.	Active	134	262,400
#1062	AS54253 Oracle Corporation	Active	270	262,400
#1063	AS55 University of Pennsylvania	Active	5	262,400
#1064	AS197425	Active	5	262,400
#1065	AS11577 Vermont Department of Information and Innovation	Active	7	262,400
#1066	AS291 ESnet	Active	1	262,144
#1067	AS292 ESnet	Active	1	262,144
#1068	AS20311 Valero Corporate Services	Active	34	262,144
#1069	AS38700 SMILESERV	Active	6	262,144
#1070	AS8698 NATIONWIDE BUILDING SOCIETY	Active	163	262,144
#1071	AS53166 UNESP	Active	6	262,144
#1072	AS18756 Level 3 Parent, LLC	Active	25	260,864
#1073	AS29357 NATIONAL MOBILE TELECOMMUNICATIONS COMPANY K.S.C.P.	Active	188	260,864
#1074	AS27357 Rackspace Hosting	Active	35	260,096
#1075	AS11272 C Spire Fiber	Active	34	259,328
#1076	AS10879 Unitedhealthcare	Active	91	259,072
#1077	AS19 Leidos, Inc.	Active	25	257,536
#1078	AS46261 QuickPacket, LLC	Active	331	256,512
#1079	AS49278 IKT-KAPASITETER	Active	23	256,512
#1080	AS32244 Liquid Web, L.L.C	Active	47	256,000
#1081	AS8069 Microsoft AS8069	Active	693	255,488
#1082	AS18419 DaDa Broadband LTD.	Active	52	255,232
#1083	AS43205 Bulsatcom EOOD	Active	14	254,976
#1084	AS42863 MEO - SERVICOS DE COMUNICACOES E MULTIMEDIA S.A.	Active	9	254,976
#1085	AS12605 LIWEST Kabelmedien GmbH	Active	9	254,976
#1086	AS6360 University of Hawaii	Active	8	254,720
#1087	AS29580 A1 Bulgaria EAD	Active	581	254,464
#1088	AS9293 NTT Com Asia Limited	Active	126	254,208
#1089	AS1299 Arelion Sweden AB	Active	102	253,696
#1090	AS36924 GVA	Active	33	253,696
#1091	AS6039	Active	67	253,440
#1092	AS204170 Awaser Oman LLC	Active	542	253,184
#1093	AS15964 CAMTEL	Active	159	251,648
#1094	AS10103 HK Broadband Network Ltd.	Active	330	250,880
#1095	AS42894 Ministerie van Verkeer en Waterstaat/Rijkswaterstaat	Active	50	250,624
#1096	AS25515 PJSC Rostelecom	Active	20	249,856
#1097	AS9351 ZTV CO.,LTD	Active	30	249,856
#1098	AS21127 Joint Stock Company TransTeleCom	Active	48	248,320
#1099	AS13428 Surf Air Wireless, LLC	Active	203	248,064
#1100	AS12768 JSC "ER-Telecom Holding"	Active	120	247,808

Showing 1001 to 1100 of total 89259 entries

BGP Database

Comprehensive IP Data Repository

89,259

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Real-time

Advanced

Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

280,064

279,808

279,808

279,808

279,552

279,296

278,784

274,944

274,688

274,688

273,920

273,920

273,920

272,640

272,128

271,872

271,616

271,360

270,848

270,848

270,592

270,336

269,568

269,312

269,056

269,056

269,056

268,800

268,544

268,032

267,776

267,264

266,496

266,496

266,496

266,240

265,984

265,472

265,216

265,216

265,216

265,216

264,960

264,192

264,192

263,936

263,936

263,936

263,424

263,424

263,168

263,168

262,912

262,912

262,656

262,656

262,656

262,400

262,400

262,400

262,400

262,400

262,400

262,400

262,400

262,144

262,144