Top Named Groups (past week)

Rank Named Group Fingerprints Connections
1 secp256r1 (0x0017) 5188 99.5%
2 secp384r1 (0x0018) 5075 98.9%
3 x25519 (0x001d) 2286 83.8%
4 sect239k1 (0x0008) 1555 51.9%
5 secp521r1 (0x0019) 3420 38.3%
6 GREASE (0x0a0a) 275 35.7%
7 sect233k1 (0x0006) 2166 29.8%
8 sect409r1 (0x000c) 1479 13.8%
9 sect283r1 (0x000a) 1757 11.3%
10 brainpoolP256r1 (0x001a) 1348 8.5%
11 ffdhe3072 (0x0101) 313 7.9%
12 ffdhe2048 (0x0100) 302 7.9%
13 secp256k1 (0x0016) 1489 7.8%
14 sect571r1 (0x000e) 1308 6.7%
15 sect283k1 (0x0009) 1287 6.7%
16 sect409k1 (0x000b) 1285 6.7%
17 sect571k1 (0x000d) 1285 6.7%
18 x448 (0x001e) 510 4.4%
19 brainpoolP512r1 (0x001c) 845 4.3%
20 brainpoolP384r1 (0x001b) 841 4.3%
21 sect193r1 (0x0004) 1287 3.9%
22 secp192r1 (0x0013) 809 2.7%
23 secp224k1 (0x0014) 808 2.6%
24 secp160r1 (0x0010) 725 2.5%
25 sect163r1 (0x0002) 781 2.3%
26 secp224r1 (0x0015) 779 2.3%
27 secp192k1 (0x0012) 734 2.2%
28 secp160k1 (0x000f) 689 1.9%
29 secp160r2 (0x0011) 688 1.9%
30 sect163k1 (0x0001) 680 1.9%
31 sect233r1 (0x0007) 680 1.9%
32 sect163r2 (0x0003) 679 1.9%
33 sect193r2 (0x0005) 631 1.9%
34 Unknown (0x0032) 322 1.9%
35 ffdhe8192 (0x0104) 112 0.8%
36 ffdhe4096 (0x0102) 112 0.8%
37 ffdhe6144 (0x0103) 112 0.8%
38 Unknown (0x0038) 40 0.0%
39 Unknown (0x003c) 242 0.0%
40 Unknown (0x0040) 3 0.0%
41 arbitrary_explicit_char2_curves (0xff02) 233 0.0%
42 arbitrary_explicit_prime_curves (0xff01) 233 0.0%
43 Unknown (0x002e) 47 0.0%
44 Unknown (0x0046) 8 0.0%
45 Unknown (0x0034) 15 0.0%
46 Unknown (0x00f9) 1 0.0%
47 Unknown (0x004e) 1 0.0%