Referenced Domain IPv4/IPv6 Web Statistics

Background and Methodology	IPv6 & DNSSEC SnapShots
USG IPv6 & DNSSEC Statistics	USG IPv4 Statistics
Industry IPv6 & DNSSEC Statistics	Industry IPv4 Statistics
University IPv6 & DNSSEC Statistics	University IPv4 Statistics
CFO Act Agency Summary Statistics	USG IPv6 Enabled WWW Sites

- Referenced Domain Web Statistics for 2025.09.16 -

gov.floodsmart. | Department of Homeland Security	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.106142s	0.291561	78004	2.05	0.195878	78462	3.07	150%	graph
com.googletagmanager.www  (https)	0.029377	1561	0.41	0.036759	1561	0.33	81%	graph
com.govdelivery.public  (https)  [v4R] 1/0.146585s  [v6R] 1/0.162591s	0.201995	7656	0.29	0.220715	7656	0.27	91%	graph
com.instagram.www  (https)	0.417507	434889	7.96	0.287515	434943	11.56	145%	graph
com.linkedin.www  (https)	0.185254	138894	5.73	0.152502	138898	6.97	122%	graph
com.unpkg  (https)	0.047600	23212	3.77	0.062249	23212	2.86	76%	graph
com.x  (https)	0.129271	220825	13.06	0.003427	0	0	n/a	graph
com.youtube.www  (https)	0.240566	657530	20.90	0.195364	657357	25.72	123%	graph
gov.dhs  (https)  [v4R] 1/0.064393s  [v6R] 1/0.034654s	0.129795	102977	6.09	0.073627	103000	10.76	177%	graph
gov.dhs.www  (https)	0.072652	102979	10.91	0.071791	103001	11.07	101%	graph
gov.disasterassistance  (https)  [v4R] 1/0.040037s  [v6R] 1/0.034888s	0.116243	112923	7.43	0.071426	112923	12.13	163%	graph
gov.fema  (https)  [v4R] 1/0.569631s  [v6R] 1/0.046122s	0.684568	119799	1.34	0.075816	119799	12.19	912%	graph
gov.fema.msc  (https)  [v4R] 1/0.061448s	0.170824	36654	1.64	0.004604	0	0	n/a	graph
gov.fema.www  (https)	0.049673	119799	18.65	0.034285	119799	26.88	144%	graph
gov.floodsmart  (https)  [v4R] 1/0.035452s  [v6R] 1/0.068335s	0.142050	94884	5.10	0.208772	94884	3.48	68%	graph
gov.floodsmart.agents  (https)	0.116910	66455	4.37	0.080019	66455	6.34	145%	graph
• gov.floodsmart.www  (https)	0.101554	94884	7.17	0.090295	94884	8.04	112%	graph
gov.ready  (https)  [v4R] 1/0.070406s  [v6R] 1/0.055881s	0.144933	52707	2.79	0.089255	52707	4.52	162%	graph
gov.usa  (https)  [v4R] 1/0.039958s  [v6R] 1/0.030974s	0.083426	47992	4.41	0.053652	47992	6.91	157%	graph
IPv6 operational: 100% of linked subdomains (3/3), 89% of all linked domains (17/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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