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Comparing AS25549 and AS21127 — change

AVANTEL-AS

AS25549
RU · RIPENCC
8
Providers
17
Customers
Explorer →

ZSTTKAS

AS21127 · Novosibirsk, Russia
RU · RIPENCC
1
Providers
8
Customers
Explorer →

Customer Count Over Time

Originated Address Space Over Time

IPv4 Addresses
IPv6 /32s

Prefix Count Over Time

IPv4 Prefixes
IPv6 Prefixes

Peering Count Over Time

AS25549 Providers

AS21127 Providers

AS25549 Recent Events

View all →
2026-04-26
Lost Transit
TRUE-ENGINEERING AS201037 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 571d
⇄
2026-04-25
Lost Transit
AS_USERGATE AS207361 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 570d
⇄
2026-04-19
New Transit
TRUE-ENGINEERING AS201037 → added provider AVANTEL-AS AS25549
Confidence: 90%
⇄
2026-04-18
Lost Transit
TVK-AS AS62331 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 563d
⇄
2026-04-17
Lost Transit
DIGITAL-CERTIFICATE AS214149 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 531d
⇄
2026-04-09
Lost Transit
TVK-AS AS62331 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 554d
⇄
2026-04-02
New Transit
AVANTEL-AS AS25549 → added provider NTK AS31200
Confidence: 90%
⇄
2026-04-01
Lost Transit
CENTERBUKETOV AS201065 → lost provider AVANTEL-AS AS25549
Confidence: 85% Duration: 546d
⇄
2026-04-01
Lost Transit
AVANTEL-AS AS25549 → lost provider TRANSTELECOM AS20485
Confidence: 85% Duration: 546d
⇄
2026-04-01
Possible Trial
RASCOM-AS AS20764 → possible trial with AVANTEL-AS AS25549
Confidence: 60%
⇄

AS21127 Recent Events

View all →
2026-04-22
Lost Transit
ASSTRATEGIYA AS8279 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 567d
⇄
2026-02-20
New Transit
ASSTRATEGIYA AS8279 → added provider ZSTTKAS AS21127
Confidence: 90%
⇄
2026-02-14
Lost Transit
ASSTRATEGIYA AS8279 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 500d
⇄
2026-01-28
Lost Transit
AVANTEL-AS AS25549 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 483d
⇄
2026-01-23
Lost Transit
TSV-AS AS42408 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 478d
⇄
2026-01-17
Lost Transit
TSV-AS AS42408 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 472d
⇄
2025-11-22
Lost Transit
ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 416d
⇄
2025-10-08
Lost Transit
TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 371d
⇄
2025-08-23
Lost Transit
ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127
Confidence: 85% Duration: 325d
⇄
2025-07-19
New Transit
ASRUSHOLOD AS58008 → added provider ZSTTKAS AS21127
Confidence: 90%
⇄