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 2026.08.22 -

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)	0.327921	426570	9.95	0.229556	426835	14.22	143%	graph
com.googletagmanager.www  (https)	0.040075	1561	0.30	0.041778	1561	0.29	98%	graph
com.govdelivery.public  (https)  [v4R] 1/0.048389s  [v6R] 1/0.084248s	0.077989	7681	0.76	0.219434	7681	0.27	35%	graph
com.instagram.www  (https)	0.322567	402113	9.53	0.283535	402160	10.84	114%	graph
com.linkedin.www  (https)	0.221275	140466	4.85	0.199632	140465	5.39	111%	graph
com.unpkg  (https)	0.366348	41605	0.87	0.083593	41605	3.82	441%	graph
com.x  (https)	0.103262	35222	2.61	0.003030	0	0	n/a	graph
com.youtube.www  (https)	0.176542	867839	37.62	0.178931	866378	37.13	99%	graph
gov.dhs  (https)  [v4R] 1/0.041937s  [v6R] 1/0.042046s	0.090282	92401	7.83	0.090882	92414	7.83	100%	graph
gov.disasterassistance  (https)  [v4R] 1/0.067411s  [v6R] 1/0.040421s	0.112603	121733	8.29	0.079578	121733	11.76	142%	graph
gov.fema  (https)  [v4R] 1/0.053390s  [v6R] 1/0.078673s	0.087626	149697	13.13	0.121044	149697	9.44	72%	graph
gov.fema.msc  (https)  [v4R] 1/0.072598s	0.150877	36662	1.86	0.006251	0	0	n/a	graph
gov.fema.www  (https)	0.039330	149697	29.28	0.116367	149697	9.85	34%	graph
gov.floodsmart  (https)  [v4R] 1/0.049270s  [v6R] 1/0.121903s	0.165879	94648	4.38	0.328218	94648	2.20	50%	graph
gov.floodsmart.agents  (https)	0.117759	71815	4.68	0.097484	71815	5.65	121%	graph
• gov.floodsmart.www  (https)	0.091179	94648	7.94	0.136092	94648	5.31	67%	graph
gov.ready  (https)  [v4R] 1/0.055095s  [v6R] 1/0.086402s	0.107672	56067	4.00	0.179055	56067	2.39	60%	graph
gov.usa  (https)  [v4R] 1/0.023162s  [v6R] 1/0.026582s	0.048929	47217	7.50	0.051326	47217	7.06	94%	graph
IPv6 operational: 100% of linked subdomains (3/3), 89% of all linked domains (16/18)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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