MGI

AS20723 · CZ.MGI autonomous system, Czech Republic AVONET, s.r.o. Internet Service Provider ZLin CZ · CZ · RIPENCC

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4

Upstream providers

2

Downstream customers

16k

v4 addresses

8

v6 /32s

Provider History

Active Possible trial (<90d) Historical

Current Providers

Addr family: All IPv4 IPv6

Provider	First Seen	Last Seen	Peers	AF
AS30058 AS30058	2025-05-31 1y	2026-06-09	123 peers AS209 AS260 AS917 AS1000 AS2152 AS3257 AS3320 AS3491 AS3549 AS3701 AS5392 AS5413 AS5580 AS6424 AS6730 AS6762 AS6830 AS7018 AS7594 AS8660 AS9268 AS12956 AS13830 AS14041 AS14630 AS14907 AS20514 AS20811 AS20932 AS24516 AS28329 AS31554 AS32590 AS33874 AS34927 AS35710 AS37239 AS37468 AS37497 AS37697 AS38008 AS38016 AS41095 AS41811 AS42541 AS45352 AS46997 AS47147 AS48112 AS49544 AS51185 AS52468 AS52873 AS56457 AS56987 AS57050 AS61832 AS63956 AS64475 AS134823 AS151704 AS197580 AS198385 AS199524 AS216285 AS262462 AS263009 AS263541 AS264409 AS265721 AS266213 AS271253 AS327983 AS328964	v4 v6
ISPAlliance AS47232	2024-09-01 1y 9mo	2026-06-09	110 peers AS209 AS151704	v4 v6
GTT-BACKBONE AS3257	2026-05-07 1mo	2026-06-09	99 peers AS209 AS260 AS701 AS999 AS1000 AS1031 AS2518 AS2914 AS3130 AS3257 AS3320 AS3333 AS3491 AS3549 AS3741 AS4128 AS4641 AS4775 AS5392 AS5580 AS6057 AS6082 AS6453 AS6461 AS6730 AS6762 AS6830 AS6908 AS7018 AS7594 AS8220 AS8582 AS9268 AS12956 AS13781 AS14537 AS14630 AS14907 AS15562 AS15605 AS15692 AS16276 AS17350 AS17660 AS19151 AS19529 AS19653 AS20080 AS24516 AS25152 AS28329 AS28624 AS31554 AS32590 AS34927 AS35280 AS35710 AS37497 AS38008 AS41811 AS46450 AS46997 AS47147 AS49544 AS49605 AS51185 AS51873 AS52468 AS52873 AS56457 AS56987 AS57187 AS57866 AS61568 AS63956 AS132884 AS134823 AS142289 AS151704 AS197580 AS199524 AS212317 AS216285 AS262462 AS263009 AS263152 AS263541 AS264409 AS264845 AS266213 AS267613 AS271253 AS327983 AS328840 AS328964	v4 v6
VODAFONE-CZ-AS AS16019	2025-01-25 1y 4mo	2026-06-09	25 peers AS1299 AS17350 AS199524	v4 v6

Customers (2)

Addr family: All IPv4 IPv6

Customer	Country	First Seen	Last Seen	IPs	Peers	Confidence	AF
DurnetCZ AS204405	CZ	2024-09-01 1y 9mo	2026-06-09	—	53 peers AS209 AS260 AS701 AS1000 AS1299 AS2518 AS2914 AS3320 AS3333 AS3491 AS4128 AS5580 AS6057 AS6453 AS6461 AS6730 AS6762 AS6830 AS7018 AS8582 AS12956 AS13781 AS15562 AS15605 AS15692 AS16276 AS17350 AS19529 AS25152 AS32590 AS35280 AS35710 AS38008 AS46997 AS47147 AS51873 AS52468 AS52873 AS56457 AS56987 AS57866 AS151704 AS199524 AS216285 AS262462 AS263009 AS264409 AS264845 AS267613 AS271253 AS328840 AS328964		v4 v6
CESNET2 AS2852	CZ	2025-11-23 6mo	2026-06-09	—	79 peers AS209 AS260 AS999 AS1000 AS1031 AS2914 AS3130 AS3257 AS3320 AS3491 AS3549 AS3741 AS4128 AS4641 AS4775 AS5392 AS5580 AS6082 AS6453 AS6730 AS6762 AS6830 AS6908 AS7018 AS7594 AS8220 AS8582 AS9268 AS12956 AS14537 AS14630 AS14907 AS15562 AS15692 AS16276 AS17350 AS17660 AS19151 AS19653 AS20080 AS24516 AS28329 AS28624 AS31554 AS32590 AS34927 AS35280 AS37497 AS38008 AS41811 AS46450 AS46997 AS49544 AS49605 AS51185 AS52468 AS52873 AS56457 AS57187 AS61568 AS63956 AS132884 AS134823 AS142289 AS151704 AS197580 AS199524 AS212317 AS216285 AS262462 AS263152 AS263541 AS264409 AS266213 AS271253 AS327983 AS328840		v4 v6

Network Size

IPv4 and IPv6 prefixes originated over time

7

v4 prefixes

16k

v4 addresses

1

v6 prefixes

8

v6 /32s

Peering Links Over Time

Count of unclassified adjacencies per snapshot date

Event Log

All New Transit Lost Transit Possible Trial Renewal Approaching

2026-06-04

New Transit

MGI AS20723 → added provider VODAFONE-CZ-AS AS16019

Confidence: 90%

⇄

2026-06-03

Lost Transit

MGI AS20723 → lost provider AS174 AS174

Confidence: 85% Duration: 639d

⇄

2026-05-08

New Transit

MGI AS20723 → added provider GTT-BACKBONE AS3257

Confidence: 90%

⇄

2026-05-07

Lost Transit

MGI AS20723 → lost provider ISPAlliance AS47232

Confidence: 85% Duration: 612d

⇄

2026-05-07

Lost Transit

MGI AS20723 → lost provider VODAFONE-CZ-AS AS16019

Confidence: 85% Duration: 466d

⇄

2025-11-24

New Transit

CESNET2 AS2852 → added provider MGI AS20723

Confidence: 90%

⇄

2025-06-01

New Transit

MGI AS20723 → added provider AS30058 AS30058

Confidence: 90%

⇄

2025-01-26

New Transit

MGI AS20723 → added provider VODAFONE-CZ-AS AS16019

Confidence: 90%

⇄

2024-09-02

New Transit

DurnetCZ AS204405 → added provider MGI AS20723

Confidence: 90%

⇄

2024-09-02

New Transit

MGI AS20723 → added provider ISPAlliance AS47232

Confidence: 90%

⇄

2024-09-02

New Transit

MGI AS20723 → added provider AS174 AS174

Confidence: 90%

⇄

Renewal Calendar

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

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