Autonomous systems, who originates what

Every AS number in the registry data and the routes. Search by number, handle or name to see what a network announces and how much of the address space that is.

The networks with the most prefixes

• AS16509 Amazon.com
• AS9808 China Mobile Communications Group Co., Ltd.
• AS8151 Uninet S.A. de C.V.
• AS12479 Orange Spain
• AS7552 Viettel
• AS39891 ALJAWWALSTC-AS Saudi Telecom Company JSC
• AS22773 Cox Communications
• AS45609 BHARTI-MOBILITY-AS-AP - Bharti Airtel Ltd. AS for GPRS Service
• AS18403 FPT Telecom
• AS13335 Cloudflare
• AS9498 Bharti Airtel Limited
• AS56046 CMNET-Jiangsu-AP
• AS9009 M247 Global
• AS7545 TPG Telecom
• AS11492 CABLE ONE
• AS17561 LARUS Limited
• AS20115 Charter Communications
• AS20940 Akamai Technologies
• AS56041 CMNET-Zhejiang-AP - China Mobile communications corporation
• AS212238 CDNEXT Datacamp Limited
• AS7155 ViaSat
• AS11172 Alestra
• AS6327 Shaw Cablesystems
• AS140292 CHINATELECOM-JIANGSU-SUZHOU-5G-NETWORK - CHINATELECOM Jiangsu province Suzhou 5G network
• AS396982 Google Cloud
• AS6167 Verizon Business AS6167
• AS31898 Oracle Cloud Infrastructure
• AS30036 Mediacom Communications
• AS36992 ETISALAT MISR
• AS7713 Telekomunikasi Indonesia Int (TELIN)
• AS45899 VNPT
• AS10620 AS10620 - Telmex Colombia S.A.
• AS25019 Saudi Telecom Company (STC SAUDINET)
• AS36352 ColoCrossing
• AS14593 SpaceX Starlink
• AS12389 Rostelecom
• AS7029 Uniti Kinetic
• AS749 United States Department of Defense (AS749)
• AS9829 National Internet Backbone India
• AS24547 Hebei Mobile Communication Company Limited
• AS28573 Claro S.A. (NET)
• AS6079 Astound
• AS24560 AIRTELBROADBAND-AS-AP - Bharti Airtel Ltd., Telemedia Services
• AS11664 CLARO ARGENTINA
• AS31334 Vodafone Kabel Deutschland GmbH
• AS34984 Superonline
• AS13999 Mega Cable, S.A. de C.V.
• AS32098 Flō Networks
• AS29355 KCell JSC
• AS56047 CMNET-Hunan-AP - China Mobile communications corporation