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85,622 autonomous systems with routed address space. Sort, search and page through everything.
| AS | Holder | IPv4 ↓ | IPv6 /48 | Prefixes |
|---|---|---|---|---|
| AS2501JP | UTnet - The University of Tokyo | 200.7K | 65.5K | 6 |
| AS34878DE | KIT Karlsruhe Institute of Technology | 200.7K | 589.8K | 7 |
| AS16202DE | TC-PRIMACOM Tele Columbus AG | 200.7K | 196.9K | 32 |
| AS13767US | DATABANK-DFW - DataBank Holdings, Ltd. | 200.4K | 138.3K | 260 |
| AS3225KW | Gulfnet-Kuwait GULFNET COMMUNICATIONS CO. WLL | 200.4K | 65.5K | 180 |
| AS33845CH | SWISSGOV Swiss Federation represented by FOITT | 200.4K | 65.5K | 13 |
| AS9354JP | TDNC - Community Network Center Inc. | 200.4K | 65.5K | 38 |
| AS4686JP | BEKKOAME - BEKKOAME INTERNET INC. | 200.4K | 65.5K | 66 |
| AS21949CA | BEANFIELD - Beanfield Technologies Inc. | 200.2K | 131.1K | 76 |
| AS5690CA | VIANET INC 5690 - Vianet Inc. | 200.2K | 1M | 81 |
| AS11259AO | Angola Telecom - Angola Telecom | 200.2K | 65.5K | 70 |
| AS200656FI | NOKIA-EMEA Nokia Solutions and Networks Oy | 200.2K | 65.6K | 22 |
| AS23793JP | AIST - National Institute of Advanced Industrial Science and Technology | 199.9K | — | 18 |
| AS54804US | CSMIII-BUNKIELA - CableSouth Media III LLC | 199.7K | 65.5K | 74 |
| AS14551US | UUNET-SA - Verizon Business | 199.4K | — | 9 |
| AS4185US | ATTIS-ASN4185 - AT&T Enterprises, LLC | 199.4K | 21 | 20 |
| AS64226US | MDURESOURCES - MDU Resources Group, Inc. | 199.2K | — | 17 |
| AS22652CA | FIBRENOIRE-INTERNET - Videotron Ltee | 198.9K | 131.6K | 166 |
| AS31363RU | MOSCOW-AS JSC "ER-Telecom Holding" | 198.7K | 1K | 104 |
| AS13541US | SIEMENS-DISW-WIV-B-ORW - Siemens Industry Software Inc. | 198.7K | 256 | 8 |
| AS8796US | FD-298-8796 - FASTNET DATA INC | 198.7K | 23 | 357 |
| AS46US | RUTGERS - Rutgers, The State University | 198.7K | 4 | 10 |
| AS20343US | PEPPERDINE - Pepperdine University | 198.7K | — | 15 |
| AS777EU | UNSPECIFIED - IDDQD-AS | 198.7K | — | 10 |
| AS12683RU | STATEL-AS PJSC Rostelecom | 198.7K | — | 10 |
| AS36291US | SANOFI - Sanofi | 198.4K | — | 9 |
| AS159US | OSUNET-AS - Ohio State University | 198.4K | 1 | 8 |
| AS24186IN | RAILTEL-AS-IN - RailTel Corporation of India Ltd | 198.4K | 65.8K | 618 |
| AS19855US | MASERGY - Masergy Communications, Inc. | 198.4K | 196.6K | 103 |
| AS11719US | EATON-CORPORATION - Eaton Corporation | 198.1K | — | 9 |
| AS18268JP | JANIS - Naganoken Kyodou Densan Co.Ltd. | 198.1K | 65.5K | 10 |
| AS395959US | XEROX-ELL - XEROX CORPORATION | 197.9K | — | 7 |
| AS2553US | FSU-AS - Florida State University | 197.9K | 1 | 8 |
| AS11442US | NCSU - North Carolina State University | 197.6K | 65.5K | 5 |
| AS8903ES | AS8903 LYNTIA NETWORKS S.A. | 197.6K | 720.9K | 117 |
| AS25933BR | AS25933 - Vogel Solucoes em Telecom e Informatica S/A | 197.4K | 131.1K | 101 |
| AS26US | CORNELL - Cornell University | 197.4K | 16 | 7 |
| AS40831US | PHS - Mass General Brigham Incorporated | 197.1K | — | 5 |
| AS1945EU | FR-LyRES - Renater | 197.1K | — | 5 |
| AS290US | SHOWNET-AS - Interop Show Network | 197.1K | 65.5K | 5 |
| AS11279US | GEORGE-MASON-UNIV - George Mason University | 197.1K | 256 | 17 |
| AS4800ID | LINTASARTA-AS-AP - PT Aplikanusa Lintasarta | 196.9K | 65.5K | 729 |
| AS23859AU | UNSW-AS-AP - University of New South Wales | 196.9K | — | 4 |
| AS1657US | LOUISVILLE - University of Louisville | 196.9K | 1 | 15 |
| AS17435NZ | VNGSL-AS-NZ - Vodafone Next Generation Services Limited | 196.6K | 65.5K | 4 |
| AS17324US | ALNET - Yeshiva University | 196.6K | 12.3K | 14 |
| AS1124EU | UVA-NL - IDDQD-AS | 196.6K | — | 4 |
| AS141468AU | PMC-AS-AP - Department of the Prime Minister and Cabinet | 196.6K | — | 14 |
| AS1128NL | TUDELFT-NL SURF B.V. | 196.6K | — | 3 |
| AS7514JP | MEX - Computer Engineering & Consulting, Ltd. | 196.1K | 65.5K | 23 |