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 2025.09.18 -

gov.flu. | Department of Health and Human Services	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.facebook.www  (https)  [v4R] 1/0.134095s  [v6R] 1/0.144634s	0.346081	76653	1.69	0.330774	76797	1.78	105%	graph
com.instagram.www  (https)	0.417852	437618	8.01	0.370535	437692	9.03	113%	graph
com.linkedin.www  (https)	0.207528	138971	5.12	0.216541	138971	4.91	96%	graph
com.pinterest.www  (https)	0.235204	568554	18.46	0.001208	0	0	n/a	graph
com.snapchat.www  (https)	0.029690	68735	18.08	0.001191	0	0	n/a	graph
com.twitter  (https)  [v4R] 1/0.077150s	0.203460	220704	8.29	0.002361	0	0	n/a	graph
com.youtube.www  (https)	0.183669	663615	27.67	0.143917	657508	35.08	127%	graph
gov.cdc.archive  (https)	0.050994	750	0.11	0.041397	750	0.14	122%	graph
gov.cdc.espanol  (https)  [v4R] 1/0.040682s  [v6R] 1/0.042625s	0.071793	44305	4.76	0.081523	44305	4.17	88%	graph
gov.cdc.jobs  (https)	0.360319	84689	1.79	0.058744	84689	11.14	621%	graph
gov.cdc.stacks  (https)	0.766145	41723	0.42	0.135066	41723	2.36	567%	graph
gov.cdc.tools  (https)  [v4R] 1/0.034062s  [v6R] 1/0.028739s	0.094264	163531	13.27	0.165401	163531	7.56	57%	graph
gov.cdc.www  (https)	0.036606	59519	12.61	0.027655	59519	16.82	133%	graph
• gov.flu.www  (https)  [v4R] 1/0.053604s  [v6R] 1/0.125465s	0.083409	60052	5.52	0.155378	60052	2.96	54%	graph
gov.hhs  (https)  [v4R] 1/0.020903s	0.042849	365	0.07	0.007503	0	0	n/a	graph
gov.hhs.oig  (https)	0.267413	35906	1.03	0.003403	0	0	n/a	graph
gov.hhs.www  (https)	0.102865	365	0.03	0.034152	363	0.08	298%	graph
gov.usa  (https)  [v4R] 1/0.020673s  [v6R] 1/0.021679s	0.040252	48043	9.16	0.046953	48043	7.97	87%	graph
gov.vaccines.www  (https)  [v4R] 1/0.027179s  [v6R] 1/0.028138s	0.038423	21824	4.38	0.045203	21824	3.70	84%	graph
IPv6 operational: 100% of linked subdomains (1/1), 74% of all linked domains (14/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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