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 2026.03.21 -

gov.digitalpreservation. | Library of Congress	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6
com.apple.itunes  [v4R] 2/0.213350s  [v6R] 2/0.147419s	0.253252	130174	3.93	0.202264	130174	4.92	125%	graph
com.facebook.www  [v4R] 2/0.131937s  [v6R] 1/0.005385s	0.402257	465931	8.84	0.275749	462166	12.82	145%	graph
com.flickr.www  [v4R] 1/0.021125s  [v6R] 1/0.007469s	0.060115	54479	6.93	0.073913	54479	5.69	82%	graph
com.pinterest.www  [v4R] 1/0.007874s	0.183088	796521	33.21	0.003032	0	0	n/a	graph
com.twitter	0.034196	15	0.00	0.002566	0	0	n/a	graph
com.youtube.www  [v4R] 1/0.027347s  [v6R] 1/0.054370s	0.226076	683705	23.08	0.236489	688276	22.25	96%	graph
gov.digitalpreservation.www  [v4R] 1/0.051470s  [v6R] 1/0.057482s	0.105754	19516	1.42	0.116951	19516	1.28	91%	graph
• gov.digitalpreservation.www  (https)	0.074220	19516	2.01	0.163035	19516	0.91	45%	graph
gov.digitizationguidelines.www  [v4R] 1/0.046914s  [v6R] 1/0.037335s	0.144373	14177	0.75	0.134492	14177	0.81	107%	graph
gov.loc  (https)  [v4R] 1/0.064609s  [v6R] 1/0.071023s	0.125149	172032	10.50	0.132416	172032	9.94	95%	graph
gov.loc.ask  (https)	0.128912	46437	2.77	0.011754	0	0	n/a	graph
gov.loc.blogs  [v4R] 1/0.040996s  [v6R] 1/0.042657s	0.088048	53453	4.63	0.092336	53453	4.43	96%	graph
gov.loc.catalog  (https)	0.069199	29272	3.24	0.082598	29272	2.72	84%	graph
gov.loc.labs  (https)	0.088713	132582	11.49	0.210926	132581	4.82	42%	graph
gov.loc.www  (https)	0.053072	172032	24.76	0.049201	172032	26.79	108%	graph
gov.usa.www  [v4R] 1/0.041996s  [v6R] 1/0.009760s	0.095866	47231	3.79	0.074589	47231	4.87	128%	graph
network.dpoe  [v4R] 2/0.353782s	0.568022	120590	1.62	0.039984	0	0	n/a	graph
org.archive.web  (https)	0.432018	154395	2.73	0.058797	0	0	n/a	graph
org.ndsr-program  (https)	0.055890	92202	12.79	0.032615	0	0	n/a	graph
IPv6 operational: 100% of linked subdomains (2/2), 68% of all linked domains (13/19)	v4[s]	v4[B]	v4[Mbps]	v6[s]	v6[B]	v6[Mbps]	6/4[Mbps]	v4|v6

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