ZSTTKAS

AS21127 · Novosibirsk, Russia · RU · RIPENCC

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Upstream providers

Downstream customers

232k

v4 addresses

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Provider	First Seen	Last Seen	Peers	Confidence
TRANSTELECOM AS20485	2024-09-01 1y 8mo	2026-05-08	118 peers AS209 AS999 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS8582 AS12637 AS12956 AS14907 AS15562 AS16276 AS34927 AS49544 AS50300 AS52468 AS52873 AS53828 AS57821 AS132847 AS142289 AS262462 AS264409 AS266213 AS398465

Customers (7)

Customer	Country	First Seen	Last Seen	IPs	Peers
MUNIC AS30871	RU	2024-09-01 1y 8mo	2026-05-08	768	67 peers AS209 AS999 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS8582 AS12637 AS12956 AS14907 AS15562 AS16276 AS34927 AS41811 AS48112 AS49544 AS50300 AS52468 AS52873 AS53828 AS55720 AS57821 AS132847 AS142289 AS151704 AS262462 AS264409 AS266213 AS398465
INTELBI-AS AS31364	RU	2024-09-01 1y 8mo	2026-05-08	23k	67 peers AS209 AS999 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS8582 AS12637 AS12956 AS14907 AS15562 AS16276 AS34927 AS41811 AS48112 AS49544 AS50300 AS52468 AS52873 AS53828 AS55720 AS57821 AS142289 AS151704 AS262462 AS266213 AS398465
CONNECT-AS AS42323	RU	2024-09-01 1y 8mo	2026-05-08	4.1k	65 peers AS209 AS999 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS8582 AS12637 AS12956 AS14907 AS15562 AS16276 AS34927 AS49544 AS50300 AS52468 AS52873 AS53828 AS57821 AS132847 AS142289 AS262462 AS264409 AS266213 AS398465
TSV-AS AS42408	RU	2024-09-01 1y 8mo	2026-05-08	2k	67 peers AS209 AS999 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS8582 AS12637 AS12956 AS14907 AS15562 AS16276 AS34927 AS41811 AS48112 AS49544 AS50300 AS52468 AS52873 AS53828 AS57821 AS142289 AS151704 AS262462 AS266213 AS398465
NVTC-AS AS47530	RU	2024-09-01 1y 8mo	2026-05-08	—	90 peers AS209 AS260 AS513 AS701 AS999 AS1213 AS1273 AS1351 AS2500 AS2914 AS3130 AS3170 AS3257 AS3320 AS3491 AS3701 AS4128 AS4775 AS5580 AS6082 AS6424 AS6730 AS6762 AS6830 AS6894 AS7018 AS7594 AS7713 AS8582 AS12637 AS12956 AS14537 AS15562 AS16260 AS16276 AS17350 AS19151 AS24516 AS27678 AS27986 AS29680 AS31554 AS37271 AS37497 AS38008 AS45437 AS46997 AS47147 AS48112 AS49544 AS49605 AS50300 AS52468 AS52873 AS53828 AS63956 AS64112 AS136557 AS197580 AS199524 AS206271 AS216285 AS262427 AS262462 AS263009 AS264409 AS266213 AS271253 AS328206 AS328964 AS398465
OEZ-AS AS51256	RU	2024-09-01 1y 8mo	2026-05-08	256	67 peers AS209 AS260 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS12637 AS12956 AS14907 AS15562 AS16260 AS16276 AS27986 AS34927 AS48112 AS49544 AS52468 AS52873 AS53828 AS142289 AS151704 AS262462 AS266213
BA-NSK-AS AS198021	RU	2024-09-01 1y 8mo	2026-05-08	256	67 peers AS209 AS260 AS2500 AS2914 AS3257 AS3320 AS3549 AS4128 AS5392 AS5580 AS6730 AS6830 AS7018 AS12637 AS12956 AS14907 AS15562 AS16260 AS16276 AS34927 AS48112 AS49544 AS52468 AS52873 AS53828 AS142289 AS151704 AS262462 AS266213

Network Size

IPv4 and IPv6 prefixes originated over time

v4 prefixes

232k

v4 addresses

v6 prefixes

v6 /32s

Downstream Customers Over Time

Count of distinct downstream customers per snapshot date

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-04-22

Lost Transit

ASSTRATEGIYA AS8279 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 597d

⇄

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: 530d

⇄

2026-01-28

Lost Transit

AVANTEL-AS AS25549 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 513d

⇄

2026-01-23

Lost Transit

TSV-AS AS42408 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 508d

⇄

2026-01-17

Lost Transit

TSV-AS AS42408 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 502d

⇄

2025-11-22

Lost Transit

ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 446d

⇄

2025-10-08

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 401d

⇄

2025-08-23

Lost Transit

ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 355d

⇄

2025-07-19

New Transit

ASRUSHOLOD AS58008 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2025-06-17

Lost Transit

ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 288d

⇄

2025-05-15

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 255d

⇄

2025-03-18

Lost Transit

DGS-AS AS31314 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 197d

⇄

2025-01-14

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 134d

⇄

2024-12-29

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 118d

⇄

2024-12-18

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 107d

⇄

2024-12-14

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 103d

⇄

2024-12-06

New Transit

ASRUSHOLOD AS58008 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-11-30

Lost Transit

ASRUSHOLOD AS58008 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 89d

⇄

2024-11-16

Lost Transit

RUNTIME-AS AS57655 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 75d

⇄

2024-11-15

New Transit

RUNTIME-AS AS57655 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-11-12

Possible Trial

RUNTIME-AS AS57655 → possible trial with ZSTTKAS AS21127

Confidence: 60% Duration: 32d

⇄

2024-11-12

Possible Trial

TOLMACHEVO-AS AS56810 → possible trial with ZSTTKAS AS21127

Confidence: 60% Duration: 32d

⇄

2024-11-06

Lost Transit

RUNTIME-AS AS57655 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 65d

⇄

2024-11-06

Lost Transit

TOLMACHEVO-AS AS56810 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 65d

⇄

2024-11-01

New Transit

RUNTIME-AS AS57655 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-10-23

Lost Transit

RUNTIME-AS AS57655 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 51d

⇄

2024-10-03

New Transit

RUNTIME-AS AS57655 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-19

Lost Transit

RUNTIME-AS AS57655 → lost provider ZSTTKAS AS21127

Confidence: 85% Duration: 17d

⇄

2024-09-02

New Transit

BA-NSK-AS AS198021 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

ASRUSHOLOD AS58008 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

RUNTIME-AS AS57655 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

TOLMACHEVO-AS AS56810 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

OEZ-AS AS51256 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

NVTC-AS AS47530 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

TSV-AS AS42408 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

CONNECT-AS AS42323 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

INTELBI-AS AS31364 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

DGS-AS AS31314 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

MUNIC AS30871 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

AVANTEL-AS AS25549 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

2024-09-02

New Transit

ZSTTKAS AS21127 → added provider TRANSTELECOM AS20485

Confidence: 90%

⇄

2024-09-02

New Transit

ASSTRATEGIYA AS8279 → added provider ZSTTKAS AS21127

Confidence: 90%

⇄

Renewal Calendar

Active providers first seen 11–13 months ago — possible annual contract renewals

This data is available to subscribers.