H04L 61/2503
Translation of internet protocol [ip] addresses
Official title: Translation of Internet protocol [IP] addresses
H04L61/2503 (Translation of internet protocol [ip] addresses) appears on 5,193 US grants and 5,620 published applications in this corpus.
Search patents in H04L- Granted patents
- 5,193
- Published applications
- 5,620
- Assignees
- 1,304
- Inventors
- 9,012
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 18 | 0 |
| 2001 | 16 | 12 |
| 2002 | 19 | 110 |
| 2003 | 23 | 130 |
| 2004 | 47 | 125 |
| 2005 | 50 | 148 |
| 2006 | 114 | 189 |
| 2007 | 90 | 158 |
| 2008 | 113 | 169 |
| 2009 | 122 | 196 |
| 2010 | 173 | 198 |
| 2011 | 177 | 202 |
| 2012 | 201 | 232 |
| 2013 | 238 | 259 |
| 2014 | 271 | 326 |
| 2015 | 282 | 267 |
| 2016 | 269 | 331 |
| 2017 | 334 | 309 |
| 2018 | 339 | 278 |
| 2019 | 318 | 348 |
| 2020 | 375 | 306 |
| 2021 | 382 | 329 |
| 2022 | 321 | 263 |
| 2023 | 305 | 256 |
| 2024 | 258 | 226 |
| 2025 | 225 | 166 |
| 2026 | 101 | 87 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04L 61/2514Between local and global ip addresses2,166
- H04L 61/256Nat traversal1,873
- H04L 61/2521Translation architectures other than single nat servers905
- H04L 61/2592Using tunnelling or encapsulation710
- H04L 61/2517Using port numbers659
- H04L 61/255Maintenance or indexing of mapping tables499
- H04L 61/251Between different ip versions426
- H04L 61/2557Translation policies or rules287
Recent patents
- Systems and methods for synchronizing device clocks6 Oct 2026US 12,756,491 B2Bose Corporation
- Reference signal transmitting method and apparatus6 Oct 2026US 12,756,519 B2Zte Corporation
- Distributed network address translation for efficient cloud service access6 Oct 2026US 12,756,681 B2VMware, Inc.
- Domain name system based VPN management29 Sep 2026US 12,750,344 B2ThreatSTOP, Inc.
- Security threat monitoring for network-accessible devices29 Sep 2026US 12,750,384 B2Sophos Limited
- Relay device, relay method, and non-transitory computer-readable storage medium storing program8 Oct 2026US 2026/0313047 A1NTT, Inc.
- Optimizing retrieval of an external ip address of user equipment in a communication system1 Oct 2026US 2026/0303562 A1Centre of Excellence in Wireless Technology
- Enhanced visibility of devices behind cellular routers1 Oct 2026US 2026/0303565 A1
- System and Method for Improving Content Fetching by Selecting Tunnel Devices1 Oct 2026US 2026/0303681 A1Bright Data Ltd.
- Protocol relay device, protocol relay system, protocol relay method, and protocol relay program1 Oct 2026US 2026/0304500 A1Nippon Telegraph and Telephone Corporation
Most cited
By later US patents
- Global hosting system1,155US 6,108,703 AMassachusetts Institute of Technology · 2000
- Security system for network address translation systems670US 5,793,763 ACisco Technology, Inc. · 1998
- Firewall providing enhanced network security and user transparency578US 5,898,830 ANetwork Engineering Software, Inc. · 1999
- Replica routing563US 6,052,718 ASightpath, Inc · 2000
- Content delivery network using edge-of-network servers for providing content delivery to a set of participating content providers545US 6,553,413 B1Massachusetts Institute of Technology · 2003