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 2026.10.23 -

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)	0.323681	421555	9.96	0.813392	419819	3.94	40%	graph
com.googletagmanager.www  (https)	0.063193	1561	0.19	0.058755	1561	0.21	109%	graph
com.govdelivery.public  (https)  [v4R] 1/0.177828s  [v6R] 1/0.471840s	0.237345	7681	0.25	0.536981	7681	0.11	44%	graph
com.instagram.www  (https)	0.540435	369647	5.22	0.385632	369693	7.33	140%	graph
com.linkedin.www  (https)	0.212437	140465	5.06	0.227894	140465	4.72	93%	graph
com.unpkg  (https)	0.239397	47575	1.52	1.324429	47575	0.27	18%	graph
com.x  (https)	0.773150	41364	0.41	0.004196	0	0	n/a	graph
com.youtube.www  (https)	0.215937	950731	33.74	0.216185	849487	30.00	89%	graph
gov.dhs  (https)  [v4R] 1/0.289141s  [v6R] 1/0.103798s	0.388460	92687	1.82	0.249306	92702	2.84	156%	graph
gov.disasterassistance  (https)  [v4R] 1/0.063692s  [v6R] 1/0.095070s	0.209324	122678	4.48	0.265134	122678	3.53	79%	graph
gov.fema  (https)  [v4R] 1/0.089333s  [v6R] 1/0.092075s	0.482820	150294	2.38	0.168883	150294	6.83	287%	graph
gov.fema.msc  (https)  [v4R] 1/0.083063s	0.207379	36662	1.35	0.004236	0	0	n/a	graph
gov.fema.www  (https)	0.188374	150294	6.10	0.142785	150294	8.08	132%	graph
gov.floodsmart  (https)  [v4R] 1/0.082543s  [v6R] 1/0.079449s	0.286441	97177	2.59	0.723717	97177	1.03	40%	graph
gov.floodsmart.agents  (https)	1.228650	66330	0.41	0.669181	66330	0.76	184%	graph
• gov.floodsmart.www  (https)	0.210803	97177	3.53	0.206022	97177	3.60	102%	graph
gov.ready  (https)  [v4R] 1/0.079896s  [v6R] 1/1.442324s	0.161152	53826	2.55	1.590876	53826	0.26	10%	graph
gov.usa  (https)  [v4R] 1/0.037624s  [v6R] 1/0.051992s	0.066661	48647	5.62	0.105094	48647	3.53	63%	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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