| 2610::/23 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 2610:20::/34 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20::/34 | ARIN assigned | — | US |
| 2610:20:c000::/34 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:c000::/34 | ARIN assigned | — | US |
| 2610:20:4000::/35 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:4000::/35 | ARIN assigned | — | US |
| 2610:20:8000::/35 | WHOIS (ARIN) | National Oceanic and Atmospheric Administration | US |
| 2610:20:8000::/35 | ARIN assigned | — | US |
| 2610:20:a000::/35 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:a000::/35 | ARIN assigned | — | US |
| 2610:20:6000::/36 | WHOIS (ARIN) | National Institute of Standards and Technology | US |
| 2610:20:6000::/36 | ARIN assigned | — | US |
| 2610:20:7000::/36 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:7000::/36 | ARIN assigned | — | US |
| 2610:20::/37 | BGP route | AS33343 U.S. Department of Commerce, HQ and ITA | — |
| 2610:20:6000::/37 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:2000::/38 | BGP route | AS7764 National Oceanic and Atmospheric Administration | — |
| 2610:20:2000::/38 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:8000::/38 | BGP route | AS6629 National Oceanic and Atmospheric Administration | — |
| 2610:20:8800::/38 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:6b00::/40 | BGP route | AS2648 National Oceanic and Atmospheric Administration | — |
| 2610:20:1000::/40 | BGP route | AS10616 National Oceanic and Atmospheric Administration | — |
| 2610:20:5100::/40 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:9200::/40 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:9300::/40 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:8c00::/44 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:8c20::/44 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:90a0::/44 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:2000::/44 | BGP route | AS7764 National Oceanic and Atmospheric Administration | — |
| 2610:20:2010::/44 | BGP route | AS7764 National Oceanic and Atmospheric Administration | — |
| 2610:20:2020::/44 | BGP route | AS7764 National Oceanic and Atmospheric Administration | — |
| 2610:20:3000::/44 | BGP route | AS3635 U.S. Department of Commerce, Bureau of Economic Analysis | — |
| 2610:20:5010::/44 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:5020::/44 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:5120::/44 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:5160::/44 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:8020::/44 | BGP route | AS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory | — |
| 2610:20:8040::/44 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:9008::/45 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:8804::/46 | BGP route | AS2648 National Oceanic and Atmospheric Administration | — |
| 2610:20:900e::/47 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:6f15::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:6f96::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:6f97::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:6fcd::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:6fce::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:6fcf::/48 | BGP route | AS49 National Institute of Standards and Technology | — |
| 2610:20:90e0::/48 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:90e2::/48 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:100::/48 | BGP route | AS33343 U.S. Department of Commerce, HQ and ITA | — |
| 2610:20:100::/48 | WHOIS (ARIN) | U.S. Dept. of Commerce | US |
| 2610:20:5011::/48 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:5012::/48 | BGP route | AS5744 United States Patent and Trademark Office | — |
| 2610:20:9120::/48 | BGP route | AS40623 Office of Oceanic and Atmospheric Research - Geophysical Fluid Dynamics Laboratory | — |
| 2610:20:9122::/48 | BGP route | AS2648 National Oceanic and Atmospheric Administration | — |
| 2610:20:9124::/48 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |
| 2610:20:9147::/48 | BGP route | AS3477 National Oceanic and Atmospheric Administration | — |