H04L 45/54
Organization of routing tables
Official title: {Organization of routing tables}
H04L45/54 (Organization of routing tables) appears on 1,748 US grants and 1,844 published applications in this corpus.
Search patents in H04L- Granted patents
- 1,748
- Published applications
- 1,844
- Assignees
- 504
- Inventors
- 3,402
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 10 | 0 |
| 2001 | 3 | 11 |
| 2002 | 13 | 49 |
| 2003 | 24 | 61 |
| 2004 | 37 | 63 |
| 2005 | 30 | 57 |
| 2006 | 50 | 62 |
| 2007 | 39 | 75 |
| 2008 | 51 | 67 |
| 2009 | 51 | 46 |
| 2010 | 96 | 57 |
| 2011 | 82 | 70 |
| 2012 | 66 | 53 |
| 2013 | 59 | 81 |
| 2014 | 86 | 103 |
| 2015 | 85 | 102 |
| 2016 | 101 | 110 |
| 2017 | 105 | 116 |
| 2018 | 111 | 89 |
| 2019 | 126 | 92 |
| 2020 | 103 | 99 |
| 2021 | 104 | 92 |
| 2022 | 89 | 79 |
| 2023 | 74 | 67 |
| 2024 | 62 | 52 |
| 2025 | 45 | 39 |
| 2026 | 41 | 52 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Systems and methods for mitigating denial of service attacks25 Aug 2026US 12,719,924 B2CenturyLink Intellectual Property LLC
- Radio system using nodes with high gain antennas25 Aug 2026US 12,720,403 B2Star Mesh LLC
- Local preference value based on cluster switchover quantity24 Sep 2026US 2026/0291848 A1Juniper Networks, Inc.
- Name-based routing through networks24 Sep 2026US 2026/0291864 A1Level 3 Communications, LLC
- Implementing Class-Based Forwarding (CBF) with Parent and Child Forwarding Equivalence Classes (FECs)10 Sep 2026US 2026/0270199 A1Arista Networks, Inc.
- Virtual Partition Lifecycle Management with Collective Operation Resource Allocation in a UALink Network27 Aug 2026US 2026/0252405 A1UnifabriX Ltd.
- Switch-Offloaded Block Collective Operations with Autonomous Memory Access in a UALink Network27 Aug 2026US 2026/0252419 A1UnifabriX Ltd.
Most cited
By later US patents
- Fully distributed routing over a user-configured on-demand virtual network for infrastructure-as-a-service (IaaS) on hybrid cloud networks458US 8,660,129 B1Cisco Technology, Inc. · 2014
- Network routing device and network routing method320US 7,764,599 B2Alaxala Networks Corporation · 2010
- Method and apparatus for fast hierarchical address lookup using controlled expansion of prefixes314US 6,011,795 AWashington University · 2000
- Cloud over IP session layer network290US 10,348,767 B1Zentera Systems, Inc. · 2019
- System, device, and method for reducing multicast forwarding states in a multicast communication system259US 6,597,703 B1Nortel Networks Limited · 2003