NTP server stats - dreamstation.systems ======================================= we run two time servers. dreamstation.systems is a member of pool.ntp.org, serving time on UDP/123 (plain NTP) and TCP/4460 (NTS). starport.dreamstation.systems serves time on UDP/123 (plain NTP), and gets its own time from dreamstation over NTS. these are some live stats for both, regenerated every 5 minutes from each box's chronyd and a standing nftables packet counter. right now --------- dreamstation starport ------------ -------- queries/second 10.4k 4.6k 30-minute average 8.7k 5.2k 24-hour average 8.7k 5.2k 7-day average 8.6k 4.1k bandwidth serving time 775.0 KiB/s 339.3 KiB/s 24-hour average 642.7 KiB/s 387.8 KiB/s clients rate-limited 3.1% 0.3% 30-minute average 2.9% 0.4% our stratum 2 3 syncing to ntp.your.org dreamstation.systems rms clock offset 33 microsec 14 microsec averages cover only as much history as a server has: dreamstation: 7.0 days of samples starport: 2.0 days of samples queries per second, last 24 hours (UTC) --------------------------------------- dreamstation starport 05:00 |################ 8.1k |############### 4.4k 06:00 |################# 8.4k |################ 4.6k 07:00 |################# 8.5k |################ 4.6k 08:00 |################ 8.1k |################ 4.7k 09:00 |################ 8.1k |################## 5.0k 10:00 |################ 8.1k |################# 4.8k 11:00 |################# 8.5k |################# 4.7k 12:00 |################# 8.5k |################# 5.0k 13:00 |################## 8.9k |################### 5.3k 14:00 |################## 8.7k |##################### 6.0k 15:00 |################## 9.2k |##################### 5.8k 16:00 |################## 8.8k |################### 5.3k 17:00 |################## 8.8k |################### 5.4k 18:00 |################# 8.6k |################### 5.4k 19:00 |################## 8.8k |#################### 5.7k 20:00 |################## 9.0k |################### 5.4k 21:00 |################## 8.9k |#################### 5.7k 22:00 |################## 9.2k |#################### 5.7k 23:00 |################## 8.9k |################### 5.5k 00:00 |################## 8.9k |#################### 5.7k 01:00 |################## 9.0k |################### 5.5k 02:00 |################## 8.9k |#################### 5.6k 03:00 |################## 8.8k |################### 5.3k 04:00 |##################### 10.4k | - each column is scaled to its own peak. '-' = no samples that hour (the server or its sampler was not running yet). clients ------- dreamstation starport ------------ -------- unique IPs ever seen 132,955,852 20,300,209 new in last 24h 829,180 9,946,747 in chronyd's live table 4,096 4,096 dreamstation: 1 in every 27 routable IPv4 addresses starport: 1 in every 182 routable IPv4 addresses (the live table caps at 4096 clients per server. the two servers' unique-IP sets are kept separately, so the totals overlap and are not added together.) how often the live clients poll us: dreamstation starport faster than 1s (!) # 276 ## 395 1s - 8s 78 88 16s - 64s # 248 0 2min - 17min ## 406 0 slower than 17min # 204 0 too new to tell ############### 2884 ############### 3613 GeoIP, top 10 ------------- dreamstation starport ------------ -------- United States 3520 85.9% United States 3110 75.9% China 144 3.5% China 334 8.2% Mexico 57 1.4% Russia 190 4.6% Russia 42 1.0% Mexico 50 1.2% Japan 31 0.8% Italy 47 1.1% Canada 28 0.7% Canada 39 1.0% South Korea 26 0.6% Brazil 26 0.6% United Kingdom 16 0.4% Germany 20 0.5% Colombia 16 0.4% Argentina 15 0.4% Germany 16 0.4% Australia 14 0.3% ASN, top 10 ----------- dreamstation starport ------------ -------- Amazon.com, Inc. 673 16.4% Amazon.com, Inc. 378 9.2% Verizon Business 408 10.0% Comcast Cable Commu 349 8.5% Comcast Cable Commu 381 9.3% AT&T Enterprises, L 331 8.1% AT&T Enterprises, L 311 7.6% Verizon Business 252 6.2% Charter Communicati 233 5.7% SRT Communications, 231 5.6% Cox Communications 98 2.4% Charter Communicati 161 3.9% Charter Communicati 87 2.1% Chinanet 112 2.7% T-Mobile USA, Inc. 75 1.8% Charter Communicati 105 2.6% Space Exploration T 70 1.7% T-Mobile USA, Inc. 91 2.2% Chinanet 62 1.5% Cox Communications 82 2.0% upstream time sources --------------------- dreamstation: source str reach offset +/- err ------------------------------------------------------- ntp.your.org 1 377 1.42ms 5.48ms <- synced time-d-b.nist.gov 1 377 0.59ms 17.77ms not combined time-b-wwv.nist.gov 1 377 0.37ms 17.84ms not combined time-b-b.nist.gov 1 377 0.24ms 18.12ms not combined time.apple.com 1 377 -2.70ms 10.56ms combined tick.usno.navy.mil 1 377 3.51ms 26.43ms not combined tock.usno.navy.mil 1 377 3.50ms 26.24ms not combined starport: source str reach offset +/- err ------------------------------------------------------- dreamstation.systems 2 377 -0.01ms 41.33ms <- synced since each chronyd last started ------------------------------- dreamstation starport ------------ -------- started 2026-09-18 15:17Z 2026-09-20 03:47Z NTP packets answered 2,569,565,256 682,587,596 NTP packets received 2,617,108,348 711,022,668 dropped (ratelimit) 47,247,319 28,391,439 as a share 1.8% 4.0% NTS-KE handshakes 2,218 NTS not offered dropped 0 - fun numbers ----------- * since the packet counters started, these boxes have told the time 3,331,663,310 times and served 235.8 GiB of time dreamstation: 2,620,422,723 times, 185.5 GiB starport: 711,240,587 times, 50.3 GiB * a new NTP query lands on dreamstation every ~96 microseconds (on starport, every ~194 microseconds). every time dreamstation asks its GPS-fed upstream for the time (an ~11ms round trip), another ~115 queries arrive there during the trip. * if every unique client IP were a person, we'd be roughly the population of Japan (dreamstation) and the Netherlands (starport). generated 2026-09-22 04:00:59 UTC starport's figures are collected there every 5 minutes and fetched over SSH once a minute; these are 198s old.