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 2025.09.15 -

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] 1/0.117203s  [v6R] 1/0.124196s	0.331687	74689	1.72	0.299579	74842	1.91	111%	graph
com.googletagmanager.www  (https)	0.030541	1561	0.40	0.038033	1561	0.31	79%	graph
com.govdelivery.public  (https)  [v4R] 1/0.160975s  [v6R] 1/0.151094s	0.218806	7656	0.27	0.207011	7656	0.28	105%	graph
com.instagram.www  (https)	0.279446	434060	11.87	0.322837	434150	10.29	87%	graph
com.linkedin.www  (https)	0.219425	138971	4.84	0.153884	138894	6.93	143%	graph
com.unpkg  (https)	0.051631	23212	3.47	0.053984	23212	3.34	96%	graph
com.x  (https)	0.141254	219475	11.88	0.003361	0	0	n/a	graph
com.youtube.www  (https)	0.214768	656229	23.40	0.181290	662498	27.93	119%	graph
gov.dhs  (https)  [v4R] 1/0.072404s  [v6R] 1/0.035938s	0.125918	101707	6.21	0.075075	101729	10.35	167%	graph
gov.dhs.www  (https)	0.054215	101707	14.37	0.048787	101729	16.17	113%	graph
gov.disasterassistance  (https)  [v4R] 1/0.292005s  [v6R] 1/0.067081s	0.418789	112923	2.06	0.106538	112923	8.13	394%	graph
gov.fema  (https)  [v4R] 1/0.078686s  [v6R] 1/0.043940s	0.129728	119799	7.09	0.071329	119799	12.87	182%	graph
gov.fema.msc  (https)  [v4R] 1/0.065748s	0.139606	36654	2.01	0.007500	0	0	n/a	graph
gov.fema.www  (https)	0.044919	119799	20.77	0.028829	119799	32.64	157%	graph
gov.floodsmart  (https)  [v4R] 1/0.578214s  [v6R] 1/0.095416s	0.783370	94886	0.92	0.270608	94886	2.68	290%	graph
gov.floodsmart.agents  (https)	0.287603	66455	1.77	0.094819	66455	5.39	305%	graph
• gov.floodsmart.www  (https)	0.096861	94886	7.54	0.122140	94886	5.93	79%	graph
gov.ready  (https)  [v4R] 1/0.055759s  [v6R] 1/0.042773s	0.156541	52707	2.58	0.073318	52707	5.51	214%	graph
gov.usa  (https)  [v4R] 1/0.028436s  [v6R] 1/0.028159s	0.055149	47992	6.66	0.056809	47992	6.54	98%	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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