BGP-DB - Global BGP and IP Data Repository

Top ASNs by IPv4 Space

Rank	ASN	Status	Prefixes	IPv4 Space
#301	AS17421 Mobile Business Group	Active	178	1,667,584
#302	AS5972	Active	1413	1,666,304
#303	AS30036 Mediacom Communications Corp	Active	2634	1,647,104
#304	AS17813 Mahanagar Telephone Nigam Limited	Active	71	1,646,336
#305	AS3371	Active	29	1,644,544
#306	AS10010 TOKAI Communications Corporation	Active	187	1,639,936
#307	AS56047 China Mobile communications corporation	Active	1716	1,637,888
#308	AS22561 CenturyLink Communications, LLC	Active	346	1,635,328
#309	AS9595 NTT-ME Corporation	Active	46	1,628,416
#310	AS12252 America Movil Peru S.A.C.	Active	714	1,627,904
#311	AS2510 FUJITSU LIMITED	Active	100	1,627,392
#312	AS37075 Airtel Uganda	Active	78	1,624,576
#313	AS9009 M247 Europe SRL	Active	4103	1,619,200
#314	AS9141	Active	76	1,612,288
#315	AS5603 Telekom Slovenije, d.d.	Active	79	1,607,168
#316	AS38841 kbro CO. Ltd.	Active	407	1,599,488
#317	AS20978 TT Mobil Iletisim Hizmetleri A.S	Active	423	1,599,232
#318	AS14522 Satnet	Active	232	1,596,160
#319	AS109 CISCO SYSTEMS, INC.	Active	91	1,590,784
#320	AS38091 LG HelloVision Corp.	Active	121	1,590,528
#321	AS27947 Telconet S.A	Active	330	1,589,760
#322	AS1680 Cellcom Fixed Line Communication L.P	Active	71	1,588,992
#323	AS22085 Latin American and Caribbean IP address Regional Registry	Active	10	1,586,688
#324	AS27064	Active	877	1,585,152
#325	AS51207 Free Mobile SAS	Active	4	1,583,104
#326	AS37287	Active	49	1,577,472
#327	AS5483 Magyar Telekom plc.	Active	110	1,559,040
#328	AS6400 Compañía Dominicana de Teléfonos S. A.	Active	109	1,554,944
#329	AS55990 Huawei Cloud Service data center	Active	340	1,540,864
#330	AS15830 Equinix (EMEA) Acquisition Enterprises B.V.	Active	985	1,536,512
#331	AS22284 Bureau of Land Management Joint Pipeline Office	Active	204	1,521,664
#332	AS8220 COLT Technology Services Group Limited	Active	161	1,520,640
#333	AS10695 Wal-Mart Stores, Inc.	Active	55	1,516,544
#334	AS3479 Board of Regents of the University System of Georgia	Active	24	1,516,032
#335	AS36937 Liquid Telecom SA	Active	23	1,512,192
#336	AS2519 ARTERIA Networks Corporation	Active	206	1,494,784
#337	AS56048	Active	367	1,493,504
#338	AS6181 Cincinnati Bell Telephone Company LLC	Active	105	1,484,800
#339	AS24547 Hebei Mobile Communication Company Limited	Active	885	1,484,032
#340	AS270 National Aeronautics and Space Administration	Active	161	1,479,424
#341	AS37705 TOPNET / tunisia	Active	121	1,464,576
#342	AS24608 WIND TRE S.P.A.	Active	16	1,451,008
#343	AS13335 Cloudflare, Inc.	Active	2373	1,437,184
#344	AS3491 PCCW Global, Inc.	Active	468	1,431,296
#345	AS9506 Singtel Fibre Broadband	Active	69	1,429,760
#346	AS210 Utah Education Network	Active	30	1,429,248
#347	AS30986 Scancom	Active	183	1,422,848
#348	AS17622 China Unicom Guangzhou network	Active	414	1,413,376
#349	AS6535 Telmex Servicios Empresariales S.A.	Active	70	1,411,328
#350	AS18126 Chubu Telecommunications Company, Inc.	Active	73	1,410,048
#351	AS2686 AT&T EMEA	Active	113	1,408,256
#352	AS8764 Telia Lietuva, AB	Active	829	1,386,752
#353	AS10474 African Network Information Center	Active	17	1,381,376
#354	AS6619 SamsungSDS Inc.	Active	114	1,371,904
#355	AS766 Entidad Publica Empresarial Red.es	Active	30	1,371,136
#356	AS6503 Axtel, S.A.B. de C.V.	Active	741	1,367,296
#357	AS12912 T-Mobile Polska S.A.	Active	47	1,357,568
#358	AS55430 Starhub Ltd	Active	129	1,356,800
#359	AS11492 CABLE ONE, INC.	Active	4772	1,338,624
#360	AS134548 DXTL Tseung Kwan O Service	Active	314	1,328,384
#361	AS20473 The Constant Company, LLC	Active	1530	1,325,056
#362	AS5391 Hrvatski Telekom d.d.	Active	48	1,312,768
#363	AS36972	Active	46	1,312,000
#364	AS15897 Vodafone Telekomunikasyon A.S.	Active	545	1,307,904
#365	AS9908 HK Cable TV Ltd	Active	102	1,284,608
#366	AS7482 Asia Pacific On-line Service Inc.	Active	76	1,284,352
#367	AS4685 Asahi Net	Active	62	1,277,952
#368	AS17621 China Unicom Shanghai network	Active	326	1,271,552
#369	AS9416 Hoshin Multimedia Center Inc.	Active	36	1,271,040
#370	AS42961 Mobile Telecommunications Company	Active	189	1,270,784
#371	AS12083 WideOpenWest Finance LLC	Active	715	1,266,720
#372	AS72 Schlumberger Limited	Active	142	1,265,408
#373	AS46887 Lightower Fiber Networks I, LLC	Active	786	1,264,896
#374	AS28840 PJSC "TATTELECOM"	Active	316	1,263,872
#375	AS4721 JCOM Co., Ltd.	Active	162	1,263,616
#376	AS12091 African Network Information Center	Active	104	1,263,104
#377	AS1241 Nova Telecommunications & Media Single Member S.A	Active	70	1,257,216
#378	AS26496 GoDaddy.com, LLC	Active	180	1,246,464
#379	AS47377 Orange Belgium SA	Active	52	1,237,760
#380	AS24139 Huashu media&Network Limited	Active	50	1,236,992
#381	AS5006 Inteliquent, inc.	Active	77	1,235,200
#382	AS27747 Telecentro S.A.	Active	196	1,234,688
#383	AS5619 TIETOEVRY NORWAY AS	Active	19	1,230,848
#384	AS29256 Syrian Telecommunication Private Closed Joint Stock Company	Active	436	1,222,656
#385	AS8866 Vivacom Bulgaria EAD	Active	893	1,220,096
#386	AS7575 Australian Academic and Research Network (AARNet)	Active	168	1,216,000
#387	AS18809 Cable Onda	Active	455	1,214,464
#388	AS29695 Altibox AS	Active	67	1,211,136
#389	AS11172 Alestra, S. de R.L. de C.V.	Active	873	1,210,880
#390	AS16019 Vodafone Czech Republic a.s.	Active	46	1,210,368
#391	AS12741 Netia SA	Active	122	1,210,368
#392	AS12353 Vodafone Portugal - Communicacoes Pessoais S.A.	Active	28	1,207,040
#393	AS63949 Akamai Connected Cloud	Active	329	1,200,896
#394	AS6866 Cyprus Telecommunications Authority	Active	144	1,184,000
#395	AS4010 Headquarters, USAISC	Active	39	1,176,832
#396	AS58593 Shanghai Blue Cloud Technology Co.,Ltd	Active	37	1,165,312
#397	AS8346 SONATEL DAKAR	Active	195	1,162,496
#398	AS9534 Binariang Berhad	Active	74	1,152,000
#399	AS17709 Asia Pacific Telecom	Active	72	1,150,208
#400	AS17638 ASN for TIANJIN Provincial Net of CT	Active	525	1,147,904

Showing 301 to 400 of total 89826 entries

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Top ASNs by IPv4 Space

Rank

ASN

Country

Status

Prefixes

IPv4 Space

1,667,584

1,666,304

1,647,104

1,646,336

1,644,544

1,639,936

1,637,888

1,635,328

1,628,416

1,627,904

1,627,392

1,624,576

1,619,200

1,612,288

1,607,168

1,599,488

1,599,232

1,596,160

1,590,784

1,590,528

1,589,760

1,588,992

1,586,688

1,585,152

1,583,104

1,577,472

1,559,040

1,554,944

1,540,864

1,536,512

1,521,664

1,520,640

1,516,544

1,516,032

1,512,192

1,494,784

1,493,504

1,484,800

1,484,032

1,479,424

1,464,576

1,451,008

1,437,184

1,431,296

1,429,760

1,429,248

1,422,848

1,413,376

1,411,328

1,410,048

1,408,256

1,386,752

1,381,376

1,371,904

1,371,136

1,367,296

1,357,568

1,356,800

1,338,624

1,328,384

1,325,056

1,312,768

1,312,000

1,307,904

1,284,608

1,284,352

1,277,952