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Channel

Библиотека разведчика | Osint | Книги | Курсы

@books_osint

Has discussion group

On this record: Topic · Growth · Engagement · Citations · Telegram's recommendations · Cite this entry

25,806subscribers

+116 since we began measuring on 6 August 2026

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

Register entry

Telegram ID-1001313331626
TypeChannel
Username@books_osint
Created22 September 2020measured — cross-checked against a third-party dataset (ext.tg_channel)
First recorded14 August 2026
Last confirmed live17 September 2026
Measurements held31
Confirmed unchanged1 time, most recently 17 September 2026
On Telegramt.me/books_osint

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 79% 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 why it has no browse page of its own yet.

Growth

25,68725,81825,752.56 August 2026 — 25,690 subscribers7 August 2026 — 25,687 subscribers8 August 2026 — 25,702 subscribers10 August 2026 — 25,705 subscribers11 August 2026 — 25,722 subscribers12 August 2026 — 25,733 subscribers13 August 2026 — 25,739 subscribers14 August 2026 — 25,745 subscribers14 August 2026 — 25,745 subscribers16 August 2026 — 25,750 subscribers18 August 2026 — 25,744 subscribers19 August 2026 — 25,740 subscribers20 August 2026 — 25,736 subscribers21 August 2026 — 25,740 subscribers25 August 2026 — 25,765 subscribers25 August 2026 — 25,772 subscribers26 August 2026 — 25,775 subscribers27 August 2026 — 25,790 subscribers29 August 2026 — 25,789 subscribers30 August 2026 — 25,783 subscribers30 August 2026 — 25,784 subscribers31 August 2026 — 25,781 subscribers1 September 2026 — 25,780 subscribers2 September 2026 — 25,777 subscribers4 September 2026 — 25,787 subscribers6 September 2026 — 25,786 subscribers9 September 2026 — 25,807 subscribers12 September 2026 — 25,803 subscribers13 September 2026 — 25,808 subscribers15 September 2026 — 25,818 subscribers17 September 2026 — 25,806 subscribers25,8066 August 202617 September 2026
31 measurements spanning 42 days, net +116. 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 25,667–25,838 and does not start at zero.
Measurement log — every subscribers count we have recorded, most recent 20 of 31
Measured (UTC)SubscribersChange
17 Sept 2026, 11:0225,806-12
15 Sept 2026, 13:4125,818+10
13 Sept 2026, 22:3925,808+5
12 Sept 2026, 05:0125,803-4
9 Sept 2026, 18:5525,807+21
6 Sept 2026, 12:4225,786-1
4 Sept 2026, 06:4125,787+10
2 Sept 2026, 16:5725,777-3
1 Sept 2026, 18:3525,780-1
31 Aug 2026, 21:3625,781-3
30 Aug 2026, 21:5625,784+1
30 Aug 2026, 00:5425,783-6
29 Aug 2026, 00:1325,789-1
27 Aug 2026, 22:1425,790+15
26 Aug 2026, 20:1225,775+3
25 Aug 2026, 21:3525,772+7
25 Aug 2026, 01:0925,765+25
21 Aug 2026, 23:4925,740+4
20 Aug 2026, 16:5625,736-4
19 Aug 2026, 13:3625,740first reading

Engagement

No public post preview. We read this entry on 14 August 2026 and Telegram serves no public post stream for it — the channel has previews switched off, or it is a group or bot with no readable feed. Views, reactions and engagement rates cannot be measured from the outside for an entry in this state, so we publish none. Subscriber counts above are unaffected.

Forward network

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 7 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.

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.

Интернет-Розыск
@irozysk · 46,000
Telegram ranks this channel #6 of 79 here — alongside 78 others — read 27 August 2026
Social Engineering
@Social_engineering · 125,008
Telegram ranks this channel #24 of 82 here — alongside 81 others — read 13 August 2026
CYBER HUNTER - Кибербезопасность
@cyberbezopasno · 53,341
Telegram ranks this channel #37 of 50 here — alongside 49 others — read 26 August 2026
Этичный Хакер
@hack_less · 229,400
Telegram ranks this channel #48 of 81 here — alongside 80 others — read 12 August 2026
Russian OSINT
@Russian_OSINT · 47,701
Telegram ranks this channel #59 of 82 here — alongside 81 others — read 26 August 2026
Open Source
@open_source_friend · 52,224
Telegram ranks this channel #66 of 87 here — alongside 86 others — read 24 August 2026

This channel appears in 6 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 17 September 2026 — this entry's latest reading, not the date you are reading this.

“Библиотека разведчика | Osint | Книги | Курсы” (@books_osint), 25,806 subscribers as measured 17 September 2026. Telegram Register, tgregister.com/channel/books_osint.

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.