H04L 45/745
Address table lookup
Official title: Address table lookup; Address filtering
H04L45/745 (Address table lookup) appears on 4,678 US grants and 4,744 published applications in this corpus.
Search patents in H04L- Granted patents
- 4,678
- Published applications
- 4,744
- Assignees
- 830
- Inventors
- 7,278
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 4 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 3 | 0 |
| 1998 | 8 | 0 |
| 1999 | 15 | 0 |
| 2000 | 18 | 0 |
| 2001 | 20 | 10 |
| 2002 | 19 | 35 |
| 2003 | 39 | 53 |
| 2004 | 38 | 73 |
| 2005 | 38 | 65 |
| 2006 | 55 | 52 |
| 2007 | 55 | 49 |
| 2008 | 65 | 65 |
| 2009 | 66 | 39 |
| 2010 | 72 | 61 |
| 2011 | 69 | 67 |
| 2012 | 72 | 74 |
| 2013 | 75 | 147 |
| 2014 | 139 | 231 |
| 2015 | 184 | 341 |
| 2016 | 273 | 338 |
| 2017 | 327 | 354 |
| 2018 | 373 | 319 |
| 2019 | 383 | 365 |
| 2020 | 432 | 374 |
| 2021 | 388 | 359 |
| 2022 | 336 | 337 |
| 2023 | 349 | 287 |
| 2024 | 314 | 286 |
| 2025 | 253 | 218 |
| 2026 | 166 | 145 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System and method for facilitating dynamic command management in a network interface controller (NIC)6 Oct 2026US 12,754,857 B2Hewlett Packard Enterprise Development LP
- Bit index explicit replication (BIER) with anycast6 Oct 2026US 12,756,651 B2Hewlett Packard Enterprise Development LP
- Advertising non-VPN routes with a route distinguisher and a route target6 Oct 2026US 12,756,664 B2Hewlett Packard Enterprise Development LP
- BGP peering status-aware hitless reboot29 Sep 2026US 12,750,305 B2Arista Networks, Inc.
- Traffic filtering based on destination address and incoming interface of a network device15 Sep 2026US 12,739,196 B1Hewlett Packard Enterprise Development LP
- Security table entry generation method and apparatus, network device, and storage medium8 Oct 2026US 2026/0312956 A1New H3C Technologies Co., Ltd.
- Virtual router function sharding for scalable multi-tenant routing1 Oct 2026US 2026/0303524 A1Cisco Technology, Inc.
- Network ip projection and integration system, method, and product1 Oct 2026US 2026/0303526 A1noBGP, Inc.
- Topology reconfiguration method and device for onoc1 Oct 2026US 2026/0303527 A1Beijing University of Posts and Telecommunications
- Domain name system filtering at edge network device1 Oct 2026US 2026/0303563 A1Sophos Limited
Most cited
By later US patents
- Method and apparatus for virtual switching805US 5,550,816 AStorage Technology Corporation · 1996
- Network routing table using content addressable memory504US 6,181,698 B22001
- Memory device search system and method466US 6,389,507 B1Gigabus, Inc. · 2002
- Address lookup in packet data communications link, using hashing and content-addressable memory423US 5,414,704 ADigital Equipment Corporation · 1995
- Systems and methods for processing packets410US 7,215,637 B1Juniper Networks, Inc. · 2007