Top Named Groups (past week)

Rank Named Group Fingerprints Connections
1 secp256r1 (0x0017) 6668 99.6%
2 secp384r1 (0x0018) 6482 96.7%
3 x25519 (0x001d) 2321 86.1%
4 sect239k1 (0x0008) 2101 65.5%
5 secp521r1 (0x0019) 4231 49.0%
6 GREASE (0x0a0a) 311 30.2%
7 sect233k1 (0x0006) 3026 23.4%
8 sect409r1 (0x000c) 1964 8.5%
9 brainpoolP256r1 (0x001a) 1823 6.5%
10 sect283r1 (0x000a) 2097 6.4%
11 secp256k1 (0x0016) 2034 6.2%
12 sect193r1 (0x0004) 1980 5.8%
13 sect571r1 (0x000e) 1834 5.4%
14 sect283k1 (0x0009) 1807 5.3%
15 sect409k1 (0x000b) 1806 5.3%
16 sect571k1 (0x000d) 1806 5.3%
17 brainpoolP512r1 (0x001c) 1147 3.4%
18 brainpoolP384r1 (0x001b) 1145 3.4%
19 ffdhe2048 (0x0100) 216 3.4%
20 ffdhe3072 (0x0101) 216 3.4%
21 secp192r1 (0x0013) 1151 2.6%
22 secp224k1 (0x0014) 1127 2.5%
23 secp224r1 (0x0015) 1105 2.4%
24 sect163r1 (0x0002) 1142 2.4%
25 secp192k1 (0x0012) 1040 2.2%
26 secp160r1 (0x0010) 1007 2.1%
27 secp160k1 (0x000f) 996 2.0%
28 secp160r2 (0x0011) 992 2.0%
29 sect233r1 (0x0007) 988 1.9%
30 sect163k1 (0x0001) 984 1.9%
31 sect163r2 (0x0003) 983 1.9%
32 sect193r2 (0x0005) 976 1.9%
33 Unknown (0x0032) 567 1.9%
34 x448 (0x001e) 272 1.1%
35 ffdhe8192 (0x0104) 63 0.1%
36 ffdhe4096 (0x0102) 63 0.1%
37 ffdhe6144 (0x0103) 61 0.1%
38 Unknown (0x0038) 175 0.0%
39 Unknown (0x003c) 235 0.0%
40 Unknown (0xfe32) 6 0.0%
41 arbitrary_explicit_char2_curves (0xff02) 228 0.0%
42 arbitrary_explicit_prime_curves (0xff01) 228 0.0%
43 Unknown (0xfe30) 1 0.0%
44 Unknown (0x0034) 2 0.0%
45 Unassigned (0x0000) 2 0.0%
46 Unknown (0x002e) 3 0.0%
47 Unknown (0x0022) 1 0.0%