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Interesting ASNs

What you’re seeing: one ASNSnapshot “truth row” per ASN (the current report card for that ASN).
Totals: long-term aggregates (all-time) from ASNTrafficTotal and ASNRiskTotal.
Rollup window: the ETL run window that produced this row (from ASNRollupRun, linked by etl_run_uuid).

AS5610 — O2 Czech Republic, a.s.

Risk LOW Unique IPs 944 Hits 1555
Reporting key
AS5610 · O2 Czech Republic, a.s.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
1555 hits · 332 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
16 variants · sample xDSL services
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2023-12-19 02:00 · 2026-03-13 02:00
Top geo (best-effort)
Unique peers (all-time)
944 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-18 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS16019 — Vodafone Czech Republic a.s.

Risk LOW Unique IPs 816 Hits 1497
Reporting key
AS16019 · Vodafone Czech Republic a.s.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
1497 hits · 270 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
62 variants · sample Zrnko
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2023-10-29 02:00 · 2026-03-13 02:00
Top geo (best-effort)
Unique peers (all-time)
816 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-18 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS28725 — CETIN a.s.

Risk LOW Unique IPs 78 Hits 178
Reporting key
AS28725 · CETIN a.s.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
178 hits · 30 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
8 variants · sample Turbonet s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2023-11-06 02:00 · 2026-03-12 02:00
Top geo (best-effort)
Unique peers (all-time)
78 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-18 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS13036 — T-Mobile Czech Republic a.s.

Risk LOW Unique IPs 543 Hits 912
Reporting key
AS13036 · T-Mobile Czech Republic a.s.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
912 hits · 190 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
22 variants · sample TMCZ mobile
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2023-08-12 03:00 · 2026-03-10 02:00
Top geo (best-effort)
Unique peers (all-time)
543 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-18 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS205863 — Stepan Pokorny

Risk LOW Unique IPs 3 Hits 3
Reporting key
AS205863 · Stepan Pokorny
Builder window (ETL): — → — · v1
Traffic totals (all-time)
3 hits · 1 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
First / Last seen (all-time)
2026-01-23 02:00 · 2026-03-08 02:00
Top geo (best-effort)
Unique peers (all-time)
3 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-13 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS49985 — IP4ISP z.s.p.o

Risk LOW Unique IPs 12 Hits 14
Reporting key
AS49985 · IP4ISP z.s.p.o
Builder window (ETL): — → — · v1
Traffic totals (all-time)
14 hits · 3 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
5 variants · sample Nej.cz s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2025-08-26 03:00 · 2026-03-06 02:00
Top geo (best-effort)
Unique peers (all-time)
12 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-13 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS20723 — AVONET, s.r.o.

Risk LOW Unique IPs 20 Hits 27
Reporting key
AS20723 · AVONET, s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
27 hits · 9 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
2 variants · sample CZ.MGI
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-20 02:00 · 2026-03-04 02:00
Top geo (best-effort)
Unique peers (all-time)
20 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-13 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS21430 — WIA spol. s.r.o.

Risk LOW Unique IPs 16 Hits 20
Reporting key
AS21430 · WIA spol. s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
20 hits · 4 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
7 variants · sample WIA s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2025-10-02 03:00 · 2026-03-04 02:00
Top geo (best-effort)
Unique peers (all-time)
16 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-13 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS6740 — CEZNET s.r.o.

Risk LOW Unique IPs 12 Hits 14
Reporting key
AS6740 · CEZNET s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
14 hits · 1 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
2 variants · sample Internext 2000
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-20 02:00 · 2026-02-28 02:00
Top geo (best-effort)
Unique peers (all-time)
12 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS2852 — CESNET z.s.p.o.

Risk LOW Unique IPs 24 Hits 273
Reporting key
AS2852 · CESNET z.s.p.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
273 hits · 50 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
10 variants · sample Zapadoceska univerzita v Plzni
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2024-12-11 02:00 · 2026-02-26 02:00
Top geo (best-effort)
Unique peers (all-time)
24 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS47114 — SychrovNET s.r.o

Risk LOW Unique IPs 12 Hits 12
Reporting key
AS47114 · SychrovNET s.r.o
Builder window (ETL): — → — · v1
Traffic totals (all-time)
12 hits · 7 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
First / Last seen (all-time)
2026-01-24 02:00 · 2026-02-26 02:00
Top geo (best-effort)
Unique peers (all-time)
12 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS198813 — SychrovNET s.r.o

Risk LOW Unique IPs 10 Hits 11
Reporting key
AS198813 · SychrovNET s.r.o
Builder window (ETL): — → — · v1
Traffic totals (all-time)
11 hits · 5 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample SychrovNET s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-24 02:00 · 2026-02-26 02:00
Top geo (best-effort)
Unique peers (all-time)
10 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS25424 — INTERNEXT 2000

Risk LOW Unique IPs 7 Hits 10
Reporting key
AS25424 · INTERNEXT 2000
Builder window (ETL): — → — · v1
Traffic totals (all-time)
10 hits · 3 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
4 variants · sample ISP Services
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-26 02:00 · 2026-02-25 02:00
Top geo (best-effort)
Unique peers (all-time)
7 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS8251 — FreeTel, s.r.o.

Risk LOW Unique IPs 34 Hits 68
Reporting key
AS8251 · FreeTel, s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
68 hits · 16 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
8 variants · sample UnArtel s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2024-10-06 03:00 · 2026-02-24 02:00
Top geo (best-effort)
Unique peers (all-time)
34 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-03-03 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS42908 — ORIGINAL AS CZ-NORDICTELECOMREGIONAL

Risk LOW Unique IPs 36 Hits 46
Reporting key
AS42908 · ORIGINAL AS CZ-NORDICTELECOMREGIONAL
Builder window (ETL): — → — · v1
Traffic totals (all-time)
46 hits · 15 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
3 variants · sample O2 Czech Republic
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2024-05-10 03:00 · 2026-02-20 02:00
Top geo (best-effort)
Unique peers (all-time)
36 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS203550 — i2net cz s.r.o.

Risk LOW Unique IPs 5 Hits 5
Reporting key
AS203550 · i2net cz s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
5 hits · 2 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
2 variants · sample I2NET.CZ
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-26 02:00 · 2026-02-19 02:00
Top geo (best-effort)
Unique peers (all-time)
5 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS207187 — TKR Jasek, s.r.o.

Risk LOW Unique IPs 20 Hits 25
Reporting key
AS207187 · TKR Jasek, s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
25 hits · 7 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
3 variants · sample TKRJASEK RpR ETTH
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-22 02:00 · 2026-02-16 02:00
Top geo (best-effort)
Unique peers (all-time)
20 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS51420 — cyrilek.net z.s.

Risk LOW Unique IPs 5 Hits 6
Reporting key
AS51420 · cyrilek.net z.s.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
6 hits · 1 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample cyrilek.net .z.s
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-20 02:00 · 2026-02-15 02:00
Top geo (best-effort)
Unique peers (all-time)
5 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS34955 — Martin Vicenik

Risk LOW Unique IPs 4 Hits 5
Reporting key
AS34955 · Martin Vicenik
Builder window (ETL): — → — · v1
Traffic totals (all-time)
5 hits · 2 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample VicenikRoute
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-02-07 02:00 · 2026-02-15 02:00
Top geo (best-effort)
Unique peers (all-time)
4 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS201608 — HovNet-SERVIS s.r.o.

Risk LOW Unique IPs 2 Hits 2
Reporting key
AS201608 · HovNet-SERVIS s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
2 hits · 0 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample HovNet IP1
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-27 02:00 · 2026-02-15 02:00
Top geo (best-effort)
Unique peers (all-time)
2 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS59479 — GEMNET s.r.o.

Risk LOW Unique IPs 4 Hits 4
Reporting key
AS59479 · GEMNET s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
4 hits · 2 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample GEMNET s.r.o.
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-29 02:00 · 2026-02-14 02:00
Top geo (best-effort)
Unique peers (all-time)
4 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS34596 — HVfree.net servis. s.r.o.

Risk LOW Unique IPs 1 Hits 1
Reporting key
AS34596 · HVfree.net servis. s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
1 hits · 1 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample HVfree.net servis. s.r.o
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-02-13 02:00 · 2026-02-14 02:00
Top geo (best-effort)
Unique peers (all-time)
1 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS204943 — NTV cable s.r.o.

Risk LOW Unique IPs 1 Hits 1
Reporting key
AS204943 · NTV cable s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
1 hits · 0 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
First / Last seen (all-time)
2026-02-11 02:00 · 2026-02-12 02:00
Top geo (best-effort)
Unique peers (all-time)
1 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS211137 — ISP Services spol. s.r.o.,

Risk LOW Unique IPs 2 Hits 6
Reporting key
AS211137 · ISP Services spol. s.r.o.,
Builder window (ETL): — → — · v1
Traffic totals (all-time)
6 hits · 1 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample ISP Services spol. s.r.o.
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-22 02:00 · 2026-02-08 02:00
Top geo (best-effort)
Unique peers (all-time)
2 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS198977 — UnArtel s.r.o.

Risk LOW Unique IPs 3 Hits 4
Reporting key
AS198977 · UnArtel s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
4 hits · 0 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
2 variants · sample UnArtel Spytihnev
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-20 02:00 · 2026-01-26 02:00
Top geo (best-effort)
Unique peers (all-time)
3 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS207850 — HovNet-SERVIS s.r.o.

Risk LOW Unique IPs 1 Hits 1
Reporting key
AS207850 · HovNet-SERVIS s.r.o.
Builder window (ETL): — → — · v1
Traffic totals (all-time)
1 hits · 0 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
First / Last seen (all-time)
2026-01-25 02:00 · 2026-01-26 02:00
Top geo (best-effort)
Unique peers (all-time)
1 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.

AS47868 — AS SUPRO-NET

Risk LOW Unique IPs 1 Hits 2
Reporting key
AS47868 · AS SUPRO-NET
Builder window (ETL): — → — · v1
Traffic totals (all-time)
2 hits · 0 errors
URLs 0 · Bytes 0
Risk (all-time)
Score · Level low
Snapshot distribution (counts by bucket): Low 1 · Med 0 · High 0 · Unknown 0
Org variants (trace)
1 variants · sample Supro
Raw organization strings observed for this ASN, grouped by conservative canonicalization.
First / Last seen (all-time)
2026-01-22 02:00 · 2026-01-23 02:00
Top geo (best-effort)
Unique peers (all-time)
1 unique IPs
Count of distinct observed IPs associated with this ASN (from totals / snapshot).
Row freshness
Updated 2026-02-27 · v1
This is the current ASNSnapshot truth row for the ASN; it may change when a new rollup run completes.