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If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	79.170.248.0/21	AVONET, s.r.o.
	131.117.208.0/21	AVONET, s.r.o.
	178.20.136.0/21	AVONET, s.r.o.
	185.84.232.0/22	AVONET, s.r.o.
	185.111.96.0/22	ICT NWT s.r.o.
	217.112.160.0/20	AVONET, s.r.o.
	217.115.240.0/20	AVONET, s.r.o.
	2a00:6500::/29	AVONET, s.r.o.

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS174	Cogent Communications, LLC	✔	✔
	AS47232	ISP Alliance a.s.	✔	✔
	AS30058	FDCservers.net	✔	✔
	AS16019	Vodafone Czech Republic a.s.	✘	✔

---

Peers

	ASN	Description	IPv4	IPv6
	AS47232	ISP Alliance a.s.	✔	✔
	AS30058	FDCservers.net	✔	✔
	AS174	Cogent Communications, LLC	✔	✔
	AS204405	Durnet.cz sro	✘	✔
	AS6939	Hurricane Electric LLC	✔	✘
	AS2852	CESNET z.s.p.o.	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS16019	Vodafone Czech Republic a.s.	✘	✔
	AS14840	BR.DIGITAL	✔	✘
	AS49544	i3D.net B.V	✔	✔
	AS1764	Next Layer Telecommunications	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✘
	AS4455	IX Reach Ltd	✔	✘
	AS51184	Fonira Telekom GmbH	✔	✔
	AS49121	Infinity Telecom, s.r.o.	✔	✔
	AS32590	Valve Corporation	✔	✔
	AS40994	Alwyzon (Hohl IT)	✔	✔
	AS50698	TETA s.r.o.	✔	✔
	AS6204	INTERKVM HOST SRL	✘	✔
	AS21430	WIA spol. s.r.o.	✔	✘
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS51331	SychrovNET s.r.o	✔	✘
	AS24482	SG.GS	✔	✔
	AS36236	NetActuate, Inc	✔	✔
	AS199524	Gcore S.A.	✔	✔
	AS42473	Anexia Cloud Solutions GmbH	✔	✔
	AS1239	Sprint Wireline (Cogent)	✔	✘
	AS22356	Durand do Brasil Ltda	✔	✘
	AS6663	Türk Telekom International	✔	✘

---

Downstreams

	ASN	Description	IPv4	IPv6
	AS204405	Durnet.cz sro	✘	✔
	AS2852	CESNET z.s.p.o.	✔	✔

aut-num:        AS20723
as-name:        MGI
descr:          CZ.MGI autonomous system, Czech Republic
org:            ORG-Ms3-RIPE
descr:          AVONET, s.r.o.
descr:          Internet Service Provider
descr:          ZLin
descr:          CZ
remarks:        ===== UPSTREAM PEERING =====
import:         from AS174 accept ANY
export:         to AS174 announce AS-AVONET-CZ
import:         from AS47232 accept ANY
export:         to AS47232 announce AS-AVONET-CZ
remarks:        ===== DIRECT PEEERING =====
import:         from AS39392 accept ANY
export:         to AS39392 announce AS20723
remarks:        ===== NIX.CZ PEERING =====
import:         from AS47200 accept ANY
export:         to AS47200 announce AS20723
import:         from AS25192 accept ANY
export:         to AS25192 announce AS20723
import:         from AS29134 accept ANY
export:         to AS29134 announce AS20723
import:         from AS29321 accept ANY
export:         to AS29321 announce AS20723
import:         from AS29134 accept ANY
export:         to AS29134 announce AS20723
import:         from AS29208 accept ANY
export:         to AS29208 announce AS20723
import:         from AS25192 accept ANY
export:         to AS25192 announce AS20723
import:         from AS15685 accept ANY
export:         to AS15685 announce AS20723
import:         from AS25424 accept ANY
export:         to AS25424 announce AS20723
import:         from AS29113 accept ANY
export:         to AS29113 announce AS20723
import:         from AS29086 accept ANY
export:         to AS29086 announce AS20723
import:         from AS29113 accept ANY
export:         to AS29113 announce AS20723
import:         from AS29321 accept ANY
export:         to AS29321 announce AS20723
import:         from AS21430 accept ANY
export:         to AS21430 announce AS20723
import:         from AS35592 accept ANY
export:         to AS35592 announce AS20723
import:         from AS6830 accept ANY
export:         to AS6830 announce AS20723
import:         from AS39904 accept ANY
export:         to AS39904 announce AS20723
import:         from AS42000 accept ANY
export:         to AS42000 announce AS20723
import:         from AS39817 accept ANY
export:         to AS39817 announce AS20723
import:         from AS15935 accept ANY
export:         to AS15935 announce AS20723
import:         from AS38949 accept ANY
export:         to AS38949 announce AS20723
import:         from AS2819 accept ANY
export:         to AS2819 announce AS20723
import:         from AS39906 accept ANY
export:         to AS39906 announce AS20723
import:         from AS9002 accept ANY
export:         to AS9002 announce AS20723
import:         from AS34315 accept ANY
export:         to AS34315 announce AS20723
import:         from AS12570 accept ANY
export:         to AS12570 announce AS20723
import:         from AS16246 accept ANY
export:         to AS16246 announce AS20723
import:         from AS15598 accept ANY
export:         to AS15598 announce AS20723
import:         from AS2686 accept ANY
export:         to AS2686 announce AS20723
import:         from AS8251 accept ANY
export:         to AS8251 announce AS20723
import:         from AS34692 accept ANY
export:         to AS34692 announce AS20723
import:         from AS39235 accept ANY
export:         to AS39235 announce AS20723
import:         from AS28972 accept ANY
export:         to AS28972 announce AS20723
import:         from AS24971 accept ANY
export:         to AS24971 announce AS20723
import:         from AS41711 accept ANY
export:         to AS41711 announce AS20723
import:         from AS39790 accept ANY
export:         to AS39790 announce AS20723
import:         from AS16019 accept ANY
export:         to AS16019 announce AS20723
import:         from AS43708 accept ANY
export:         to AS43708 announce AS20723
import:         from AS29208 accept ANY
export:         to AS29208 announce AS20723
import:         from AS25512 accept ANY
export:         to AS25512 announce AS20723
import:         from AS43413 accept ANY
export:         to AS43413 announce AS20723
import:         from AS42306 accept ANY
export:         to AS42306 announce AS20723
import:         from AS47232 accept ANY
export:         to AS47232 announce AS20723
import:         from AS13036 accept ANY
export:         to AS13036 announce AS20723
import:         from AS16276 accept ANY
export:         to AS16276 announce AS20723
import:         from AS34080 accept ANY
export:         to AS34080 announce AS20723
import:         from AS35361 accept ANY
export:         to AS35361 announce AS20723
import:         from AS25036 accept ANY
export:         to AS25036 announce AS20723
import:         from AS35214 accept ANY
export:         to AS35214 announce AS20723
import:         from AS35236 accept ANY
export:         to AS35236 announce AS20723
import:         from AS48926 accept ANY
export:         to AS48926 announce AS20723
import:         from AS33883 accept ANY
export:         to AS33883 announce AS20723
import:         from AS29583 accept ANY
export:         to AS29583 announce AS20723
import:         from AS28851 accept ANY
export:         to AS28851 announce AS20723
import:         from AS43541 accept ANY
export:         to AS43541 announce AS20723
import:         from AS38952 accept ANY
export:         to AS38952 announce AS20723
import:         from AS34695 accept ANY
export:         to AS34695 announce AS20723
import:         from AS5610 accept ANY
export:         to AS5610 announce AS20723
import:         from AS24806 accept ANY
export:         to AS24806 announce AS20723
import:         from AS41824 accept ANY
export:         to AS41824 announce AS20723
import:         from AS8913 accept ANY
export:         to AS8913 announce AS20723
import:         from AS30134 accept ANY
export:         to AS30134 announce AS20723
import:         from AS39791 accept ANY
export:         to AS39791 announce AS20723
import:         from AS41088 accept ANY
export:         to AS41088 announce AS20723
import:         from AS2852 accept ANY
export:         to AS2852 announce AS20723
import:         from AS43037 accept ANY
export:         to AS43037 announce AS20723
import:         from AS6939 accept ANY
export:         to AS6939 announce AS20723
import:         from AS43070 accept ANY
export:         to AS43070 announce AS20723
import:         from AS25248 accept ANY
export:         to AS25248 announce AS20723
import:         from AS50495 accept ANY
export:         to AS50495 announce AS20723
import:         from AS15614 accept ANY
export:         to AS15614 announce AS20723
import:         from AS12767 accept ANY
export:         to AS12767 announce AS20723
import:         from AS25234 accept ANY
export:         to AS25234 announce AS20723
import:         from AS112 accept ANY
export:         to AS112 announce AS20723
import:         from AS6881 accept ANY
export:         to AS6881 announce AS20723
remarks:        ===== TRANSIT PEERINGS =====
import:         from AS202874 accept { 185.150.124.0/22 }
export:         to AS202874 announce { 0.0.0.0/0 }
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         CZ-MGI-MNT
created:        1970-01-01T00:00:00Z
last-modified:  2025-07-26T05:32:57Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-Ms3-RIPE
org-name:       AVONET, s.r.o.
country:        CZ
org-type:       LIR
address:        Dummy address for ORG-Ms3-RIPE
# Email removed, Log into bgp.tools to see whois emails
mnt-ref:        CZ-MGI-MNT
mnt-ref:        RIPE-NCC-HM-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         CZ-MGI-MNT
abuse-c:        AAH71-RIPE
created:        2004-04-17T11:04:38Z
last-modified:  2020-12-16T12:54:46Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2026-02-07T03:23:40Z UTC

---

Member of the following AS-SETs

-	Member
RADB	as-hurricanev6
RADB	as-btn-customers
RIPE	as-moderntv
LEVEL3	as-level3-origins-eu
RIPE	as-mgi-nix
RIPE	as42000:as-nixcz-peerings
RIPE	as-casablanca-nix
RIPE	as-interoute
RIPE	as-43413_nt-nix
RIPE	as-supernetwork-transit
RIPE	as-gbxscust
RIPE	as8251:as-nix-peerings
RIPE	as-grapesc-cz
RIPE	as-to2-nix-peer
RIPE	as-core-backbone:as-exceptions
RIPE	as24971:as-mai-nix-peer
ALTDB	as51202:as-all
RADB	as30058:as-customers
LEVEL3	as-level3-customers-eu
RIPE	as-cecomczcust-all
RIPE	as-casablanca-transit
RIPE	as-supernetwork
RIPE	as-cecomczcust-transit
RIPE	as-cesnet-nix-peers
RIPE	as-avonet-cz