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Channel

Anesthesia and ICU

@DrHussamICU

On this record: Topic · Growth · Engagement · What this channel posts · Reactions · Posts · Polls · Citations · Telegram's recommendations · Cite this entry

26,785subscribers

-804 since we began measuring on 7 August 2026

Risers and fallers across the register · movement among entries of 10,000–31,623.

Register entry

Telegram ID-1001927023129
TypeChannel
Username@DrHussamICU
Descriptionقناة تعليميه (مجانية) خاصة بالمواد الوزاريه(التقويميه) لقسم تقنيات التخدير المواد: التخدير مرحله ثانيه التخدير مرحله ثالثه التخدير مرحله رابعه العنايه المركزه مرحله ثالثه العنايه المركزه مرحله رابعه شروحات وتعليمات للمنهج الموحد لكافة المواد د.حسام كريم
CreatedBetween 1 April 2023 and 31 October 2023 — estimated from Telegram’s id allocation, not measured. How this range is calculated.
First recorded7 August 2026
Last confirmed live6 November 2026
Measurements held56
Confirmed unchanged2 times, most recently 6 November 2026
On Telegramt.me/DrHussamICU

Topic

Education — a classification, not a measurement. An on-box language model (Qwen3.6-35B-A3B-FP8, prompt version 1) read this channel’s own recent posts on 10 September 2026 and assigned it the closest of 31 fixed categories, at 99% confidence. This is a model’s judgement about what the channel is likely to be about, not a fact this register measured the way a subscriber count or a view count is measured — it can be revised on a later pass, and it carries no weight anywhere else on this page. How this classification works, and the other topics.

Growth

26,75027,58927,169.57 August 2026 — 27,589 subscribers8 August 2026 — 27,577 subscribers9 August 2026 — 27,569 subscribers10 August 2026 — 27,556 subscribers11 August 2026 — 27,546 subscribers12 August 2026 — 27,536 subscribers13 August 2026 — 27,535 subscribers14 August 2026 — 27,518 subscribers16 August 2026 — 27,499 subscribers17 August 2026 — 27,479 subscribers18 August 2026 — 27,473 subscribers19 August 2026 — 27,570 subscribers20 August 2026 — 27,562 subscribers21 August 2026 — 27,563 subscribers23 August 2026 — 27,545 subscribers25 August 2026 — 27,536 subscribers25 August 2026 — 27,532 subscribers26 August 2026 — 27,529 subscribers27 August 2026 — 27,524 subscribers28 August 2026 — 27,529 subscribers29 August 2026 — 27,524 subscribers30 August 2026 — 27,522 subscribers31 August 2026 — 27,528 subscribers1 September 2026 — 27,534 subscribers2 September 2026 — 27,551 subscribers3 September 2026 — 27,550 subscribers5 September 2026 — 27,472 subscribers9 September 2026 — 27,423 subscribers11 September 2026 — 27,412 subscribers13 September 2026 — 27,432 subscribers15 September 2026 — 27,353 subscribers17 September 2026 — 27,306 subscribers25 September 2026 — 27,137 subscribers4 October 2026 — 27,024 subscribers8 October 2026 — 26,950 subscribers13 October 2026 — 26,889 subscribers14 October 2026 — 26,846 subscribers15 October 2026 — 26,837 subscribers16 October 2026 — 26,816 subscribers17 October 2026 — 26,809 subscribers18 October 2026 — 26,799 subscribers19 October 2026 — 26,783 subscribers20 October 2026 — 26,779 subscribers21 October 2026 — 26,769 subscribers22 October 2026 — 26,763 subscribers23 October 2026 — 26,750 subscribers24 October 2026 — 26,851 subscribers25 October 2026 — 26,846 subscribers27 October 2026 — 26,822 subscribers28 October 2026 — 26,807 subscribers29 October 2026 — 26,809 subscribers30 October 2026 — 26,807 subscribers31 October 2026 — 26,799 subscribers1 November 2026 — 26,796 subscribers4 November 2026 — 26,788 subscribers5 November 2026 — 26,785 subscribers26,7857 August 20265 November 2026
56 measurements spanning 90 days, net -804. Dots are measurements; the straight line between them is drawn to join them, not to claim we know the path taken in between — snapshots are recorded only when a count changes, so gaps mean “no change observed”, never “interpolated”. The vertical axis spans 26,624–27,715 and does not start at zero.
Measurement log — every subscribers count we have recorded, most recent 20 of 56
Measured (UTC)SubscribersChange
5 Nov 2026, 17:5826,785-3
4 Nov 2026, 15:3926,788-8
1 Nov 2026, 14:4826,796-3
31 Oct 2026, 12:0826,799-8
30 Oct 2026, 11:3626,807-2
29 Oct 2026, 10:4526,809+2
28 Oct 2026, 08:5826,807-15
27 Oct 2026, 08:4726,822-24
25 Oct 2026, 03:5926,846-5
24 Oct 2026, 06:1926,851+101
23 Oct 2026, 08:1626,750-13
22 Oct 2026, 07:3626,763-6
21 Oct 2026, 04:3026,769-10
20 Oct 2026, 05:4726,779-4
19 Oct 2026, 07:5626,783-16
18 Oct 2026, 10:5726,799-10
17 Oct 2026, 13:4526,809-7
16 Oct 2026, 13:4126,816-21
15 Oct 2026, 15:0626,837-9
14 Oct 2026, 18:0726,846first reading

Engagement

41 posts held, back to 18 May 2026 — the reader has not yet reached the start of this channel’s public history, so older posts may sit further back, unread. Read across 142 pages of Telegram’s post history, 20 posts per page.

ERR · 30 days
30.8%
avg views ÷ 26,785 subscribers
Avg views / post
8,250
12 posts measured
Reaction rate
—
this channel exposes no reaction counts
Posts in window
12
of 41 held

ERR is average views per post over the last 30 days divided by subscribers, the definition TGStat uses, so this figure is comparable with the one you will see elsewhere. It falls structurally as a channel grows: a high ERR on a small channel and a low one on a large channel describe reach mathematics, not quality. We publish the figure and the sample it came from and pass no verdict on it.

ER is defined industry-wide as (forwards + reactions + comments) ÷ views — note the denominator is views, not subscribers. Telegram’s public web preview carries views and reactions but not forward or comment counts, so the reaction rate above is the reactions term only and is therefore a floor: the true ER for this channel is higher by an amount we have not measured and will not estimate.

What these figures were computed from
WindowRolling 30 days · latest post in window 23 October 2026
Posts held41 (18 May 2026 – 23 October 2026)
Views total98,970
Reactions total—
Forwards / commentsnot exposed by the public surface — not measured, not estimated
Readings taken7 Nov 2026, 16:59 UTC

Views are a single reading per post, taken at the time above. A post published in the last day or two is still accumulating views, which pulls the 30-day average down slightly. That is a property of the standard definition rather than a fault in it, so we keep the definition rather than “correcting” the number into something nobody can reproduce.

Precision. Telegram publishes view counts on its public widget in short form — 8.12K, 3.7M — so any reading at or above 1,000 reaches us rounded to three significant figures, and only counts below 1,000 are exact. Averages and rates derived from them are shown to the same precision rather than to the unit: a figure like 3,701,250 would assert digits nobody measured.

Reaction counts are published per emoji and rounded the same way, so a total below 1,000 is exact and a larger one is a sum that may carry a rounded component from each emoji above 1,000. Because it is a sum, it does not look rounded — read a large reaction total as three significant figures per contributing emoji rather than as the figure it prints.

What this channel posts

Photos
55
Videos
1
Links
193

Lifetime counters from Telegram’s own channel header, read 7 November 2026 — not the date at the top of this page, which is when the subscriber count was last read. Below Telegram’s rounding threshold, so these counts are exact.

Reaction mix

917 reactions across 14 posts, in 4 distinct kinds. The most used accounts for 65.6% of them.

Every reaction kind recorded on the sample, most used first
ReactionCountShareShare, drawn
❤60265.6%
👏13214.4%
👍9210.0%
😱919.92%

No sentiment is inferred, and none should be read in. This table is ordered by count and by nothing else. Emoji do not carry stable meaning across languages or communities — 🙏 is thanks in one channel and mourning in another — so we publish which ones were pressed and how often, and pass no judgement on what an audience meant by them.

Precision. Telegram publishes reaction counts per emoji and short-forms each one — 4.34K, 1.2M — so any single kind at or above 1,000 reaches us at three significant figures, and only counts below 1,000 are exact. The shares above are ratios of those figures and carry the same error. This is also why the total here can differ slightly from a reaction total printed elsewhere on the page: both are sums of the same rounded parts, taken over samples with different edges.

Coverage. Reactions were read on 14 of the 41 sampled posts in this sample. Summed by Telegram’s own count on each post — not by adding up the per-emoji breakdown above — those same posts carry 917 reactions in total: the kind of figure the paragraph above means by “a reaction total printed elsewhere on the page”.

Measured over the 41 most recent posts we hold, published 18 May 2026 to 23 October 2026, using the newest reading held for each. Telegram Stars are excluded: they are a payment, not a reaction, and they have their own section.

Recent posts

Telegram’s own ‘edited’ marker: 0 of 12 posts held from the last 30 days (0%) carried it when this register last read them. The marker says a post was changed after publishing, not what it said before — this register holds the earlier wording only where an edit fell between two of its own reads (see the edit ledger and how it is measured).

23 Oct 2026, 13:25 UTC≈6,370 viewsread 7 November 2026

وهاي قناتي اليوتيوب شارح المناهج الوزاريه لكل المراحل اسس تخدير ثاني (الكورس الاول والثاني) تخدير مرحله ثالثه(الكورس الاول والثاني) تخدير مرحله رابعه (الكورس الثاني) عنايه مركزة الثالثه (الكورس الثاني) عنايه مركزة الرابعه(الكورس الثاني)

23 Oct 2026, 13:23 UTC≈6,520 viewsread 7 November 2026

https://youtube.com/@husamkareem-79?si=XpehFrFRHMLFb8Mb

23 Oct 2026, 13:20 UTC≈8,110 viewsread 7 November 2026

المرحله الرابعه 👆🏼👆🏼👆🏼👆🏼

23 Oct 2026, 13:20 UTC≈7,650 viewsread 7 November 2026

المرحله الثالثه 👆🏼👆🏼👆🏼👆🏼

23 Oct 2026, 13:16 UTC≈7,480 viewsread 7 November 2026

المرحله الثانيه 👆🏼👆🏼👆🏼👆🏼

23 Oct 2026, 11:47 UTC≈14,700 viewsread 7 November 2026

السلام عليكم طلبتنا الاحبه تنويه بخصوص مناهجكم هذا العام هي نفسها للعام الماضي عدا مادة العنايه المركزة للمرحله الثالثه صار تبديل بين الكورسات وراح انزل المناهج المعتمده للكورسين الاول والثاني…بالتوفيق للجميع

Showing the 12 most recent of 41 posts we hold for @DrHussamICU. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.

Polls

The 6 most recent of 14 polls we hold for this entry, as Telegram rendered them when we read the post. A poll’s figures keep moving after that, so each one is dated.

18 May 2026, 20:51 UTCAnonymous Quiz6,410 voters approx.

Which of the following perform poorly in the diagnosis of ventilator-associated pneumonia,

  1. Portable chest x-rays52%
  2. CT scan10%
  3. Lung ultrasound13%
  4. All of them22%
  5. None of them3%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

18 May 2026, 20:49 UTCAnonymous Quiz5,840 voters approx.

The methods of oral decontamination to prevent VAP is

  1. chlorhexidine or topical antibiotics85%
  2. daily tube suction3%
  3. open system suction4%
  4. Sodium bicarbonate wash6%
  5. normal saline wash2%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

18 May 2026, 20:47 UTCAnonymous Quiz5,900 voters approx.

the most common cause of VAP IS

  1. Viral infection3%
  2. gram-negative aerobic bacilli and Staphylococcus aureus91%
  3. Tuberculosis3%
  4. Ameboic infection2%
  5. fungal infection1%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

18 May 2026, 20:44 UTCAnonymous Quiz5,710 voters approx.

Popular regimens For VAP include

  1. Piperacillin/tazobactam, cefepime,14%
  2. carbapenem (e.g., meropenem),4%
  3. plus vancomycin (for methicillin resistant Staph aureus).39%
  4. ALL the above41%
  5. NONE of them2%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

18 May 2026, 20:37 UTCAnonymous Quiz5,540 voters approx.

Indications for pleural effusion Drainage ONE IS FALSE

  1. Effusions that are large (≥ half the hemithorax) or localized.12%
  2. Purulent pleural aspirate.7%
  3. Presence of organisms on gram stain, or positive culture.25%
  4. Pleural fluid pH <7.2.12%
  5. Pleural fluid glucose <100 mg/dL45%

Shares as published, totalling 101%. No per-option vote count is published by Telegram, so none is shown.

18 May 2026, 20:34 UTCAnonymous Quiz5,410 voters approx.

CSF findings IN Bacterial meningitis ONE IS FALSE

  1. Elevated opening pressure7%
  2. Low glucose (<40 mg/dL) -10%
  3. WBC >1000 cells/µL (neutrophil predominance)27%
  4. RBCs suggest Bacterial meningitis48%
  5. Elevated protein8%

Shares as published. No per-option vote count is published by Telegram, so none is shown.

Percentages only — there are no per-option vote counts here, because Telegram publishes none. The public post preview gives each option’s share and a single voter total, and nothing else. Multiplying one by the other would produce a per-option tally that looks measured and is not: the shares are rounded to whole numbers before we ever see them. We print what was published and leave the column that does not exist empty.

The shares need not add up to 100. Rounding alone puts many polls at 99 or 101. A poll that allows more than one answer per voter runs well past 100 by design, and several here do. The bars are drawn against a fixed 100% track at each option’s own percentage rather than normalised to the total, so a poll that exceeds it shows that it does instead of being quietly rescaled.

Read from the 41 most recent posts we hold, published 18 May 2026 to 23 October 2026. Telegram labels each poll by kind — an anonymous poll, a quiz, a closed set of final results — and that label is reproduced rather than paraphrased.

Forward network

Republished by

Channels on the register that have forwarded this channel's posts into their own feed.

Built only from forwarded posts we have actually read, on both sides. Coverage is early and deliberately incomplete: a missing link means we have not read the post that would prove it, never that the relationship does not exist. Counts are distinct forwarded posts observed, so they only ever go up as we read more.

Mentions

Named by 5 registered channels — every channel on the register whose own posts have named this one, by its current username or any other username it currently holds, merged from two separately captured readings of the same fact so a namer caught by only one of them is not missed and a namer both caught is not counted twice. A username this channel has since dropped is not matched — that handle may belong to someone else now, and crediting today’s namer to yesterday’s owner would misattribute it.

A mention is a weaker signal than a forward and is counted separately for that reason — naming a channel is not republishing it, and a handle in a post body is easy to place deliberately. The post counts beside each row below are distinct posts in which the handle appeared, from posts we have read on both sides — the “Named by N registered channels” figure above is a different count, of distinct NAMING CHANNELS rather than posts, and is not the sum of the rows under it.

Channels Telegram recommends alongside this one

Telegram’s own answer, not this register’s. When this register asks Telegram’s API what is similar to this channel, this is the list it returns, in the exact order Telegram returns it — never re-sorted by subscribers or by anything else this register measures. The relationship, and the order, are Telegram’s; we record them and date them, and make no claim of our own about which of these channels actually resemble this one.

منصة اصرار التعليمية
@esrarplatform · 5,045
#1
اكاديمية التخدير الطبية
@ama90rcu · 19,404
#2
تخدير + عناية مرحلة رابعة وزاري
@ans_m2003m · 3,958
#3
يوميات مخدر 💉💊
@taqder12 · 3,600
#4
نبض التخدير❤️
@NabdAnesthesia · 18,794
#5
Nerds of Anesthesia
@nerdsofanesthesia · 1,464
#6
كلشي تخدير.... م4
@ANESTHESIA4THSTAGE · 343
#7
مملكـة التخديــر Kingdom Anesthesia
@ans_un · 5,664
#8
قسم تقنيات التخدير /كلية مدينة العلم الجامعة
@N9Ly644O3AM0MTli · 946
#9
SALEEM LAFTAH
@SALEEMLAFTAH · 1,107
#10
تخدير وفارما - خالد العايد
@Anes_drugs98 · 36,568
#11
منصة الاوائل التعليمية
@Anesthesia_2001A1 · 6,700
#12
خريج التخدير🎓💉
@the_anesthesia_student · 580
#13
Successful Anesthesiologist ️
@Alianesthetic · 3,996
#14
تقنيات التخدير
@Anesthetic2021 · 10,104
#15
تلخيصات تخديريون
@Izz_o0o · 1,928
#16
اسئلة التخدير والعناية المركزة العامة
@senior_4ane · 1,785
#17
كلشي عناية.... م4
@ICU4THSTAGE · 544
#18
Anesthesia zone💉🩺
@anesthesia2222 · 1,945
#19
محاضرات تخدير || القناة العامة
@turathpdf · 870
#20
دفعة 2024-2023
@ane_sta · 840
#21
مجموعة المحاضرات ⭕️⭕️
@fbsoe21 · 99 (as read 11 September 2026)
#22
Anesthetists..
@anesthetist55 · 1,318
#23
شرح وزاري تخدير
@Alialhadz · 3,709
#24
ملفات التخدير
@l20l40 · 1,071
#25
EASY ANESTHESIA
@profesor_for_help · 783
#26
𝗺𝗲𝗱𝗶𝗰𝗮𝗹 𝗽𝗿𝗼▮ ميديكال برو
@Anesthesiology2001 · 6,174
#27
قسم تقنيات التخدير المرحله الرابعة
@TAKHDER4 · 464
#28
تخدير عناية وزاري المرحلة الرابعة
@ANS_ICU3 · 2,965
#29
القناه العامه
@Ooooxv · 494
#30
Anesthopedia
@Anesthopedia · 2,693
#31
الكلية التقنية الطبية
@college_of_medical_technology · 4,159
#32
منصة التخدير والعناية المركزة
@Anesthesia20042004 · 2,022
#33
فريق محاربي الألم
@pain_fighters · 4,095
#34
ترجمة تخدير PDF
@ali33ali98 · 865 (as read 11 September 2026)
#35
التَخـديريون 💉
@Ane_2T · 631
#36
المخدرون 💉✨
@anstcovvt · 748
#37
NA academy
@na_academy1 · 6,258
#38
ذاكرة مخدر🧠📝
@memory_of_An · 6,185
#39
أكـاديمية الأوائـل(قسم التخدير)
@anes_az97 · 2,687
#40
رحلة بلا ألم – المرحلة الثالثة
@hade_falah · 1,449
#41
تقنيات التخدير كلية المنارة المرحلة الرابعه
@anesthesia_32 · 841
#42
تخدير/PDF
@hhhh0965 · 473
#43
تخديريون 💉
@Anesthesia_2001 · 10,919
#44
التخديــــــــر Anesthesia
@anesLec23_24 · 1,793
#45
طالبة التخدير 🩺🎶
@Dr_ha_ad · 1,191
#46
الجنرال💙🔥رضا راضي
@Aljeneral0 · 534 (as read 11 September 2026)
#47
قناة التخدير
@morrtt2003 · 910 (as read 11 September 2026)
#48
تنسيقية الأقسام الطبية –2026
@MedicalIraq26 · 3,351
#49
گبسولة ANT - ICU
@kabsulai · 1,611
#50
تخديريون دفعة 25
@ansibrahem · 611 (as read 11 September 2026)
#51
أكاديمية المواهب الطبية/تخدير الخريجين / المواد الوزارية
@almwahip · 5,635
#52
مُمَهِدو التَخدير || Anesthetists graders
@ans_graders · 4,720
#53
Nazih
@nazihhalamadrid · 430
#54
اللجنة التنسيقية الرسمية
@kotans1 · 3,533
#55
graduates 🎓
@ant_fir · 473
#56
وزاري التخدير | NERDGENIC
@NerdgenicANS1 · 6,599
#57
تبليغات قسم التخدير 4th
@iANS24 · 1,433
#58
الامتحان التقويمي قسم التخدير
@anesthesiazgfdggf · 849
#59
مرحله رابعه تخدير وزاري
@anesthesia4444 · 983
#60
Anesthesia || كيتامين 🩺💉
@lolo99726e8 · 1,668
#61
طلبة المنارة
@almanara23 · 13,538
#62
جامعة مدينة العلم
@M2004AU · 1,430
#63
موسوعة التخدير
@anesthetic_homee · 9,004
#64
Dr M.Magdy Anesthesia Courses
@DrMagdyAnesthesiaCourseGifts · 3,508
#65
أبطال التخدير
@anesthesiaiq1 · 923
#66
بروبوفول - Propofol
@PropofolATU · 3,460
#67
ذوكائين للتخدير |ذوالفقار الزيرجاوي
@thocaine1995 · 1,499
#68
قناة ظافر لنشر العلم 📖✏️
@dafer89143 · 747
#69
ANESTHESIA BOOKS
@anesthesia110 · 4,707
#70
كتب تخدير وعناية
@sq_ans2 · 1,782
#71
مؤتمر العراق للتخدير - IAC
@IraqAnsConference1 · 2,619 (as read 11 September 2026)
#72
القناة العامة للتخدير المرحلة الرابعة
@U30UUU · 1,629
#73
Anesthesia books translated
@abd09540 · 2,631
#74
التقنيات الطبيه والصحيه دفعة ٢٥/٢٤/٢٣
@ANSlaith · 1,178
#75
عناية مركزة 💉💠💠
@anasanesthesia0 · 1,572
#76
تعليمات طلبة الاقسام التقنية في كربلاء
@anesmfm · 1,110
#77
تخديريون
@na_ra1904 · 2,131
#78
تجمع طلبة قسم التخدير
@bdf00bdf · 1,241
#79
Anesthetists💉
@mustafa_fadel28 · 1,970
#80
|| نهضة مُخَدِرٌ ||
@anesthesia_icu2000 · 1,786
#81
لـ طالب تخدير🧑‍⚕️💉
@Anesthesia_studeent · 496
#82
الجامعات الحكومية والأهلية
@Medical_cours1 · 753,960
#83
الامتحان التقويمي
@Drnaeemyasir · 54,705
#84
The Medical Family - العائلة الطبية
@MydoctorA96 · 189,527
#85
الامتحان التقويمي الوزاري
@Iraqistudents24 · 338
#86
واحد تعليم
@one_teacch · 7,398
#87
سنتر جامعة الكتاب
@al_kiatab · 11,971
#88

Read from Telegram’s recommendation API, most recently 11 September 2026. Telegram holds a list like this for a small and growing share of the register — how this is measured, and why most channel pages show nothing here.

Appears in Telegram’s recommendations for other channels

The reverse of the list above, and a different kind of signal. This does not require this channel to have ever been asked about directly — each row below is a channel we DID ask Telegram about, whose Telegram-generated list happened to include this one. A channel can appear here with an empty list above it, because being named by someone else’s query is independent of having been queried itself.

اكاديمية التخدير الطبية
@ama90rcu · 19,404
Telegram ranks this channel #46 of 83 here — alongside 82 others — read 1 October 2026
تخدير وفارما - خالد العايد
@Anes_drugs98 · 36,568
Telegram ranks this channel #52 of 88 here — alongside 87 others — read 1 September 2026
نبض التخدير❤️
@NabdAnesthesia · 18,794
Telegram ranks this channel #55 of 91 here — alongside 90 others — read 4 October 2026
الامتحان التقويمي
@Drnaeemyasir · 54,705
Telegram ranks this channel #84 of 91 here — alongside 90 others — read 23 August 2026

This channel appears in 4 seed channels' Telegram-generated recommendation lists in total. Each is Telegram’s list for THAT channel, not this one — see how this is measured.

Cite this entry

A live page changes as we take new readings, so a citation should name the measurement it is based on, not just the URL. The line below cites the subscriber count as measured 5 November 2026 — this entry's latest reading, not the date you are reading this.

“Anesthesia and ICU” (@DrHussamICU), 26,785 subscribers as measured 5 November 2026. Telegram Register, tgregister.com/channel/DrHussamICU.

Full measurement history, CC BY 4.0. Every reading this register holds for this entry, not just the latest one, as a dated, downloadable record: CSV · JSON. Free to use with attribution to tgregister.com. Each file carries its own generation timestamp, which is the figure to cite for exactly when the data was retrieved.