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 2025.08.25 -

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)	0.213585	76357	2.74	0.195836	76498	2.99	109%	graph
com.googletagmanager.www  (https)	0.031391	1561	0.38	0.028771	1561	0.43	111%	graph
com.govdelivery.public  (https)  [v4R] 1/0.177418s  [v6R] 1/0.168255s	0.244928	7656	0.24	0.230187	7656	0.25	106%	graph
com.instagram.www  (https)	0.239290	422592	13.49	0.381623	423087	8.47	63%	graph
com.linkedin.www  (https)	0.195187	139031	5.44	0.168433	139031	6.31	116%	graph
com.unpkg  (https)	0.059054	23212	3.00	0.052544	23212	3.41	113%	graph
com.x  (https)	0.156905	276093	13.50	0.003318	0	0	n/a	graph
com.youtube.www  (https)	0.185274	667117	27.51	0.141651	669520	36.23	132%	graph
gov.dhs  (https)  [v4R] 1/0.031501s  [v6R] 1/0.045783s	0.148871	105919	5.46	0.083712	105944	9.74	178%	graph
gov.dhs.www  (https)	0.050993	105919	16.16	0.041094	105943	19.71	122%	graph
gov.disasterassistance  (https)  [v4R] 1/0.061528s  [v6R] 1/0.059267s	0.111488	112923	7.76	0.100797	112923	8.62	111%	graph
gov.fema  (https)  [v4R] 1/0.058098s  [v6R] 1/0.100140s	0.100964	119217	9.10	0.134881	119217	6.79	75%	graph
gov.fema.msc  (https)  [v4R] 1/0.066361s	0.195050	36654	1.43	0.007639	0	0	n/a	graph
gov.fema.www  (https)	0.037548	119217	24.58	0.039617	119217	23.32	95%	graph
gov.floodsmart  (https)  [v4R] 1/0.118957s  [v6R] 1/0.095479s	0.250514	94867	2.90	0.267444	94867	2.71	94%	graph
gov.floodsmart.agents  (https)	0.138857	63161	3.49	0.127483	63161	3.79	109%	graph
• gov.floodsmart.www  (https)	0.109337	94867	6.64	0.142445	94867	5.10	77%	graph
gov.ready  (https)  [v4R] 1/0.075407s  [v6R] 1/0.144814s	0.108529	54157	3.83	0.183804	54157	2.26	59%	graph
gov.usa  (https)  [v4R] 1/0.032155s  [v6R] 1/0.023518s	0.053140	48047	6.92	0.045366	48047	8.15	118%	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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