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Top Named Groups (past week)

Named Groups

Named Groups (previously Supported Groups / Elliptic Curves) is an extension that indicates the list of cryptographic groups that can be used in the TLS key exchange.

Rank	Named Group	Fingerprints	Connections
1	secp256r1 (0x0017)	4498	99.6%
2	secp384r1 (0x0018)	4426	99.4%
3	x25519 (0x001d)	2941	89.5%
4	secp521r1 (0x0019)	3094	58.7%
5	sect233k1 (0x0006)	1498	37.8%
6	sect283r1 (0x000a)	1538	35.4%
7	x448 (0x001e)	952	26.7%
8	GREASE (0x0a0a)	294	18.9%
9	sect239k1 (0x0008)	1036	13.1%
10	ffdhe3072 (0x0101)	547	12.8%
11	ffdhe2048 (0x0100)	683	12.8%
12	secp224k1 (0x0014)	565	10.3%
13	ffdhe4096 (0x0102)	331	10.2%
14	ffdhe8192 (0x0104)	323	10.2%
15	ffdhe6144 (0x0103)	322	10.2%
16	sect409r1 (0x000c)	858	5.3%
17	secp256k1 (0x0016)	765	5.0%
18	sect193r1 (0x0004)	582	3.1%
19	sect571r1 (0x000e)	659	2.8%
20	sect409k1 (0x000b)	629	2.7%
21	sect571k1 (0x000d)	629	2.7%
22	sect283k1 (0x0009)	629	2.7%
23	secp160r1 (0x0010)	342	2.1%
24	brainpoolP256r1 (0x001a)	506	1.9%
25	brainpoolP384r1 (0x001b)	504	1.9%
26	brainpoolP512r1 (0x001c)	503	1.9%
27	sect163r1 (0x0002)	388	1.5%
28	secp192r1 (0x0013)	355	1.5%
29	secp192k1 (0x0012)	333	1.4%
30	secp224r1 (0x0015)	346	1.3%
31	secp160k1 (0x000f)	281	1.0%
32	secp160r2 (0x0011)	281	1.0%
33	sect233r1 (0x0007)	274	1.0%
34	sect193r2 (0x0005)	271	1.0%
35	sect163k1 (0x0001)	271	1.0%
36	sect163r2 (0x0003)	271	1.0%
37	Unknown (0x0032)	150	1.0%
38	Unknown (0x0028)	2	0.0%
39	Unknown (0x0038)	91	0.0%
40	Unknown (0x00f9)	3	0.0%
41	Unknown (0x0029)	14	0.0%
42	Unknown (0x003c)	19	0.0%
43	Unknown (0x0040)	1	0.0%
44	Unknown (0x0046)	2	0.0%
45	Unknown (0x0036)	2	0.0%
46	Unknown (0x0030)	2	0.0%
47	Unknown (0x0034)	1	0.0%