Downstream networks
AS1221 ASN-TELSTRA Telstra Limited
Mobile APNIC
Transit
Downstream networks
Networks for which AS1221 was observed as the last hop before the origin, meaning it appears to provide them transit.
| AS | Network | Type | Families | Paths seen |
|---|---|---|---|---|
| AS135887 | Belong (Telstra Limited) | Unclassified | IPv4 IPv6 | 28,139 |
| AS20940 | Akamai International B.V. | Hosting | IPv4 IPv6 | 5,577 |
| AS7545 | TPG Telecom Limited | Residential | IPv4 | 4,631 |
| AS4764 | Aussie Broadband | Residential | IPv4 IPv6 | 4,565 |
| AS16509 | Amazon.com, Inc. | Hosting | IPv4 IPv6 | 4,268 |
| AS45763 | Opticomm Co Pty Ltd | Residential | IPv4 IPv6 | 3,598 |
| AS10235 | National Australia Bank Limited | Unclassified | IPv4 | 1,767 |
| AS9893 | Cenitex | Unclassified | IPv4 | 1,440 |
| AS18055 | Department of Human Services | Unclassified | IPv4 IPv6 | 912 |
| AS37978 | Networking Tasmania | Unclassified | IPv4 | 840 |
| AS132029 | Telstra Limited | Unclassified | IPv4 IPv6 | 838 |
| AS139049 | GIGACOMM PTY LTD | Unclassified | IPv4 IPv6 | 800 |
| AS31898 | Oracle Corporation | Hosting | IPv4 IPv6 | 717 |
| AS54113 | Fastly, Inc. | Hosting | IPv4 IPv6 | 679 |
| AS4637 | Telstra Global | Unclassified | IPv4 | 659 |
| AS3360 | DXC US Latin America Corporation | Unclassified | IPv4 IPv6 | 645 |
| AS24313 | NSW Department of Education | Unclassified | IPv4 | 601 |
| AS20473 | The Constant Company, LLC | Hosting | IPv4 IPv6 | 598 |
| AS13335 | Cloudflare, Inc. | Hosting | IPv4 IPv6 | 579 |
| AS23943 | Hyperspike Pty Ltd, | Unclassified | IPv4 | 578 |
| AS9880 | NextGen.Net Pty Ltd, North Sydney | Unclassified | IPv4 | 540 |
| AS21859 | Zenlayer Inc | Hosting | IPv4 IPv6 | 462 |
| AS55478 | Level 15, 100 arthur Street | Unclassified | IPv4 | 455 |
| AS136988 | LEASEWEB AUSTRALIA PTY LIMITED | Unclassified | IPv4 IPv6 | 450 |
| AS56105 | Department of Education and Training - Victoria | Education | IPv4 | 424 |
| AS135879 | Hyundai Motor Company Australia Pty Ltd | Unclassified | IPv4 | 420 |
| AS15830 | Equinix (EMEA) Acquisition Enterprises B.V. | Hosting | IPv4 | 392 |
| AS17559 | Spectrums Core Network | Residential | IPv4 | 385 |
| AS9342 | Australian Broadcasting Corporation | Unclassified | IPv4 | 378 |
| AS4608 | Asia Pacific Network Information Centre | Unclassified | IPv4 IPv6 | 374 |
| AS56294 | VMvault Pty Ltd | Residential | IPv4 | 369 |
| AS38903 | Australian Unity Limited | Unclassified | IPv4 | 366 |
| AS138186 | Tasmanian Networks Pty Ltd | Unclassified | IPv4 | 365 |
| AS137470 | Iluka Resources Limited | Unclassified | IPv4 | 355 |
| AS38813 | Emantra Pty Ltd | Unclassified | IPv4 | 353 |
| AS38858 | Somerville | Unclassified | IPv4 | 301 |
| AS18191 | OPTUS CUSTOMER NETWORK | Unclassified | IPv4 | 300 |
| AS30103 | Zoom Video Communications, Inc | Unclassified | IPv4 IPv6 | 290 |
| AS109 | CISCO SYSTEMS, INC. | Unclassified | IPv4 IPv6 | 279 |
| AS55542 | Roads and Maritime Services | Unclassified | IPv4 | 279 |
| AS24007 | Seven Network ASN | Unclassified | IPv4 | 250 |
| AS38066 | Department of Environment and Climate Change | Hosting | IPv4 | 248 |
| AS9507 | NextHop Pty Ltd | Unclassified | IPv4 IPv6 | 241 |
| AS132484 | MUFG PENSION & MARKET SERVICES HOLDINGS LIMITED | Unclassified | IPv4 | 240 |
| AS399361 | Alcoa USA Corp. | Unclassified | IPv4 | 240 |
| AS13445 | Cisco Webex LLC | Hosting | IPv4 IPv6 | 230 |
| AS133934 | AUS IT SERVICES PTY LTD | Unclassified | IPv4 IPv6 | 223 |
| AS55256 | Netskope Inc | Hosting | IPv4 | 205 |
| AS36351 | IBM Cloud | Hosting | IPv4 | 204 |
| AS49915 | Megaport (UK) Limited | Unclassified | IPv4 IPv6 | 202 |
Derived from routing tables collected at 2026-10-31 10:00 UTC by route-views2,rrc00, as seen from 76 BGP vantage points across 74.50M route entries. These are observations from those vantage points, not a complete or authoritative view of the internet.