| 2600::/12 | WHOIS (ARIN) | American Registry for Internet Numbers | US |
| 2604:a380::/26 | ARIN available | β | ZZ |
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| 2604:c700::/26 | ARIN available | β | ZZ |
| 2604:cfc0::/26 | ARIN available | β | ZZ |
| 2604:d300::/26 | ARIN available | β | ZZ |
| 2604:d540::/26 | ARIN available | β | ZZ |
| 2604:d780::/26 | ARIN available | β | ZZ |
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| 2604:e0c0::/26 | ARIN available | β | ZZ |
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| 2604:e600::/26 | ARIN available | β | ZZ |
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| 2604:ec00::/26 | ARIN available | β | ZZ |
| 2604:ef80::/26 | ARIN available | β | ZZ |
| 2604:f0c0::/26 | ARIN available | β | ZZ |
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| 2604:fe40::/26 | ARIN available | β | ZZ |
| 2604:1c40::/27 | ARIN available | β | ZZ |
| 2604:2ac0::/27 | ARIN available | β | ZZ |
| 2604:2e20::/27 | ARIN available | β | ZZ |
| 2604:2e60::/27 | ARIN available | β | ZZ |
| 2604:2ea0::/27 | ARIN available | β | ZZ |
| 2604:5a0::/27 | ARIN available | β | ZZ |
| 2604:18c0::/27 | ARIN available | β | ZZ |
| 2604:29c0::/27 | ARIN available | β | ZZ |
| 2604:80::/27 | ARIN available | β | ZZ |
| 2604:420::/27 | ARIN available | β | ZZ |
| 2604:540::/27 | ARIN available | β | ZZ |
| 2604:1000::/27 | ARIN available | β | ZZ |
| 2604:1040::/27 | ARIN available | β | ZZ |
| 2604:1980::/27 | ARIN available | β | ZZ |
| 2604:2080::/27 | ARIN available | β | ZZ |
| 2604:2200::/27 | ARIN available | β | ZZ |
| 2604:2300::/27 | ARIN available | β | ZZ |
| 2604:2640::/27 | ARIN available | β | ZZ |
| 2604:c40::/27 | ARIN available | β | ZZ |
| 2604:cc0::/27 | ARIN available | β | ZZ |
| 2604:e0::/27 | ARIN available | β | ZZ |
| 2604:e40::/27 | ARIN available | β | ZZ |
| 2604:ec0::/27 | ARIN available | β | ZZ |
| 2604:f00::/27 | ARIN available | β | ZZ |
| 2604:2d80::/28 | WHOIS (ARIN) | Mediacom Communications Corp | US |
| 2604:2e80::/28 | WHOIS (ARIN) | Mediacom Communications Corporation | US |
| 2604:3d00::/28 | BGP route | AS6327 Shaw Communications | β |
| 2604:3d00::/28 | WHOIS (ARIN) | Shaw Communications | CA |
| 2604:4b40::/28 | WHOIS (ARIN) | Valley Fiber Ltd. | CA |
| 2604:7a00::/28 | BGP route | AS11232 Midcontinent Communications | β |
| 2604:7a00::/28 | WHOIS (ARIN) | Midcontinent Communications | US |
| 2604:9e00::/28 | WHOIS (ARIN) | Webair Internet Development Company Inc. | US |
| 2604:9f00::/28 | BGP route | AS27364 Armstrong | β |
| 2604:9f00::/28 | WHOIS (ARIN) | Armstrong | US |
| 2604:9f80::/28 | BGP route | AS32953 Mid-Hudson Cablevision, Inc. | β |
| 2604:9f80::/28 | WHOIS (ARIN) | Mid-Hudson Cablevision, Inc. | US |
| 2604:3380::/28 | BGP route | AS46437 Fourway Computer Products, Inc. | β |
| 2604:3380::/28 | WHOIS (ARIN) | Fourway Computer Products, Inc. | US |
| 2604:3540::/28 | BGP route | AS7029 Windstream Communications LLC | β |
| 2604:3540::/28 | WHOIS (ARIN) | RESIDENTIAL NETWORKING SOLUTIONS LLC | US |
| 2604:4600::/28 | BGP route | AS19531 Nodes Direct | β |
| 2604:4600::/28 | WHOIS (ARIN) | Nodes Direct | US |
| 2604:7600::/28 | WHOIS (ARIN) | Cal.net, Inc. | US |
| 2604:e280::/28 | BGP route | AS62646 WireStar, Inc. | β |
| 2604:e280::/28 | WHOIS (ARIN) | WireStar, Inc. | US |
| 2604:f580::/28 | WHOIS (ARIN) | Sumofiber | US |
| 2604:e280::/29 | BGP route | AS62646 WireStar, Inc. | β |
| 2604:e288::/29 | BGP route | AS62646 WireStar, Inc. | β |
| 2604:8180::/31 | WHOIS (ARIN) | VIVID-HOSTING LLC | US |
| 2604:d800::/31 | WHOIS (ARIN) | DartPoints Operating Company, LLC | US |
| 2604::/32 | WHOIS (ARIN) | Digilink | US |
| 2604:1c0::/32 | WHOIS (ARIN) | WTC Communications, Inc. | US |
| 2604:1e0::/32 | WHOIS (ARIN) | Greenlight | US |
| 2604:2a0::/32 | BGP route | AS398170 WPA Fiber Network LLC | β |
| 2604:2a0::/32 | WHOIS (ARIN) | WPA Fiber Network LLC | US |
| 2604:2c0::/32 | WHOIS (ARIN) | DLS Internet Services, Inc | US |
| 2604:2e0::/32 | WHOIS (ARIN) | XLC INC. | US |
| 2604:3a0::/32 | BGP route | AS401478 Wabash Mutual Telephone Company | β |
| 2604:3a0::/32 | WHOIS (ARIN) | Wabash Mutual Telephone Company | US |
| 2604:3c0::/32 | WHOIS (ARIN) | ROAMABILITY LLC | US |
| 2604:3e0::/32 | WHOIS (ARIN) | Cubit Computer Ltd. Liability Co. | US |
| 2604:4e0::/32 | BGP route | AS16716 Lake Livingston Communications Inc. | β |
| 2604:7a0::/32 | BGP route | AS399928 PAULDING PUTNAM ELECTRIC TRUST, INC. | β |
| 2604:8a0::/32 | BGP route | AS13377 Rogue Broadband | β |
| 2604:8c0::/32 | BGP route | AS209 CenturyLink Communications, LLC | β |
| 2604:8e0::/32 | BGP route | AS398860 OPTIDATA CLOUD | β |
| 2604:9a0::/32 | BGP route | AS22096 Tigris Data Inc. | β |
| 2604:9c0::/32 | BGP route | AS395777 ATHENS UTILITIES BOARD | β |
| 2604:10::/32 | WHOIS (ARIN) | New Lisbon Telephone Co., INC | US |
| 2604:30::/32 | WHOIS (ARIN) | Thrive Broadband, LLC | US |
| 2604:50::/32 | WHOIS (ARIN) | Xiber | US |
| 2604:70::/32 | WHOIS (ARIN) | MM Internet, Inc. | US |
| 2604:100::/32 | WHOIS (ARIN) | Frankfort Plant Board | US |
| 2604:120::/32 | BGP route | AS11527 NovaBroadband LLC | β |
| 2604:120::/32 | WHOIS (ARIN) | Private Customer | US |
| 2604:140::/32 | WHOIS (ARIN) | CCS Group | BM |
| 2604:160::/32 | WHOIS (ARIN) | BRAVO TELECOM | CA |
| 2604:180::/32 | WHOIS (ARIN) | RAMNODE | US |
| 2604:200::/32 | BGP route | AS33132 Zayo Bandwidth | β |
| 2604:200::/32 | WHOIS (ARIN) | Zayo Bandwidth | US |
| 2604:220::/32 | BGP route | AS397921 Megawatt Communications LLC | β |
| 2604:220::/32 | WHOIS (ARIN) | TNWEB LLC | US |
| 2604:240::/32 | WHOIS (ARIN) | FASTVPS HOSTING COMPANY | US |
| 2604:260::/32 | BGP route | AS14703 MARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC. | β |
| 2604:260::/32 | WHOIS (ARIN) | MARQUETTE-ADAMS TELEPHONE COOPERATIVE, INC. | US |
| 2604:280::/32 | BGP route | AS6653 Vero Broadband | β |
| 2604:280::/32 | WHOIS (ARIN) | Vero Broadband | US |
| 2604:300::/32 | BGP route | AS21947 Blackfoot Telephone Cooperative, Inc. | β |
| 2604:300::/32 | WHOIS (ARIN) | Blackfoot Telephone Cooperative, Inc. | US |
| 2604:320::/32 | BGP route | AS30155 The Lake Louise Ski Area Ltd. | β |
| 2604:320::/32 | WHOIS (ARIN) | The Lake Louise Ski Area Ltd. | CA |
| 2604:340::/32 | BGP route | AS32281 CCT LLC | β |
| 2604:340::/32 | WHOIS (ARIN) | WIGGINS TELEPHONE ASSOCIATION | US |
| 2604:360::/32 | WHOIS (ARIN) | Southern Illinois University - School of Medicine | US |
| 2604:380::/32 | WHOIS (ARIN) | Regional Educational Media Center 4 | US |
| 2604:400::/32 | WHOIS (ARIN) | Think On, Inc. | CA |
| 2604:440::/32 | BGP route | AS20259 Copper Valley Long Distance, LLC | β |
| 2604:440::/32 | WHOIS (ARIN) | Copper Valley Long Distance, LLC | US |
| 2604:460::/32 | BGP route | AS7029 Windstream Communications LLC | β |
| 2604:460::/32 | WHOIS (ARIN) | Dryden Fiber | US |
| 2604:480::/32 | BGP route | AS40098 Community Antenna Service, Inc. | β |
| 2604:500::/32 | BGP route | AS22464 Northeast Louisiana Telephone Company, Inc. | β |
| 2604:520::/32 | BGP route | AS53873 Bexar Datacenter | β |
| 2604:580::/32 | BGP route | AS34 University of Delaware | β |
| 2604:680::/32 | BGP route | AS40281 QWK.net Hosting, L.L.C. | β |
| 2604:700::/32 | BGP route | AS10384 Tennessee Valley Authority | β |
| 2604:820::/32 | BGP route | AS393947 Firm Farm | β |
| 2604:900::/32 | BGP route | AS14477 FirstLight Networks, LLC | β |
| 2604:960::/32 | BGP route | AS401602 Keystone REN, LLC | β |
| 2604:a00::/32 | BGP route | AS19318 Interserver, Inc | β |
| 2604:aa0::/32 | BGP route | AS395367 Lightwave Broadband LLC | β |
| 2604:ac0::/32 | BGP route | AS40090 RGC Wireless | β |
| 2604:b0::/32 | BGP route | AS401636 Zoho Canada Corporation | β |
| 2604:b0::/32 | WHOIS (ARIN) | Zoho Canada Corporation | CA |
| 2604:b40::/32 | BGP route | AS395846 Direct Communications Rockland, Inc | β |
| 2604:be0::/32 | BGP route | AS401661 EMBNEX, LLC | β |
| 2604:c00::/32 | BGP route | AS32875 Wowrack.com | β |
| 2604:c60::/32 | BGP route | AS401674 Harriman Utility Board | β |
| 2604:c80::/32 | BGP route | AS13807 Rightfiber | β |
| 2604:ca0::/32 | BGP route | AS401682 Dialwave, Inc. | β |
| 2604:ce0::/32 | BGP route | AS401643 Dragonfly Internet | β |
| 2604:d00::/32 | BGP route | AS40523 OACYS TECHNOLOGY | β |
| 2604:d0::/32 | WHOIS (ARIN) | 1022135 Ontario Incorporated | CA |