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AS40994 Hohl IT e.U.

Austria Alwyzon RIPE 24 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
6,144
IPv6 /48 networks
65,536
RPKI
25 valid0 no ROA
Peers and downstreams
445

Holder

AS name
Alwyzon
Description
Alwyzon, a trading name of Hohl IT e.U.
Organisation
Hohl IT e.U.
Registered in
Vienna, Austria
Abuse contact
abuse@alwyzon.net
Assigned
2020-10-05
Registered
2020-10-06
Record last changed
2025-11-13 11:57 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths
AS6057 Administracion Nacional de Telecomunicaciones AS6057 · UY Administracion Nacion… AS14840 BR.Digital Telecom AS14840 · BR BR.Digital Telecom AS3356 Level 3 Parent, LLC AS3356 · US Level 3 Parent, LLC AS6461 Zayo Bandwidth AS6461 · US Zayo Bandwidth AS35280 F5 Networks SARL AS35280 · FR F5 Networks SARL AS25091 IP-Max SA AS25091 · CH IP-Max SA AS36236 NetActuate, Inc AS36236 · US NetActuate, Inc AS24482 SG.GS AS24482 · SG SG.GS AS6939 Hurricane Electric LLC AS6939 · US Hurricane Electric LLC AS174 AS174 AS174 AS174 AS1299 Arelion Sweden AB AS1299 · SE Arelion Sweden AB AS3257 GTT Communications Inc. AS3257 · US GTT Communications In… AS2914 NTT America, Inc. AS2914 · US NTT America, Inc. AS6762 TELECOM ITALIA SPARKLE S.p.A. AS6762 · IT TELECOM ITALIA SPARKL… AS40994 Hohl IT e.U. AS40994 · AT Hohl IT e.U.

Network health

Grade A · 100/100
pass Prefixes covered by valid ROAs
25 of 25 announced prefixes are RPKI valid.		 25/25
pass No RPKI invalid announcements
None of the announcements is RPKI invalid.		 10/10
pass Announces IPv6
1 IPv6 prefix.		 15/15
pass More than one upstream
6 upstreams seen in BGP.		 10/10
pass Working abuse contact
abuse@alwyzon.net is published.		 15/15
pass Publishes a geofeed
A geofeed (RFC 8805) tells where the address space is used.		 10/10
pass No prefixes smaller than /24 or /48
All prefixes are /24 (IPv4) or /48 (IPv6) or larger.		 10/10
pass Registry record maintained
Last changed 2025-11-13.		 5/5
Built from the announced prefixes, RPKI, the registry record and geofeeds. Checks without data are not counted. Also in the API.
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AS40994 health AS40994 RPKI
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Routing changes

Last 30 days
2026-10-04 08:36 UTCNeighbour gone AS219240 peer
2026-10-04 08:36 UTCNeighbour gone AS206963 peer
2026-10-04 08:36 UTCNeighbour gone AS34655 peer
2026-10-04 08:36 UTCNeighbour gone AS15702 peer
2026-10-04 08:36 UTCNew neighbour AS51154 peer
2026-10-04 08:36 UTCNew neighbour AS50144 peer
2026-10-04 08:36 UTCNew neighbour AS41075 peer
2026-10-04 08:36 UTCNew neighbour AS219062 peer
2026-10-04 08:36 UTCNew neighbour AS216369 peer
2026-10-04 08:36 UTCNew neighbour AS214308 peer
2026-10-04 08:36 UTCNew neighbour AS20751 peer
2026-10-04 08:36 UTCNew neighbour AS206375 peer
2026-10-04 08:36 UTCNew neighbour AS218897 peer
2026-10-04 08:36 UTCRelationship changed AS9002 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS8218 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS6663 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS5405 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS50629 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS48362 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS47147 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS4455 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS33891 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS286 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS22356 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS21320 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS1853 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS1764 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS15958 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS15576 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS14840 upstream to peer
2026-10-04 08:36 UTCRelationship changed AS13030 upstream to peer
2026-10-04 08:36 UTCPrefix gone 132.243.245.0/24
2026-10-04 08:36 UTCNew prefix 9.247.60.0/24
2026-10-04 08:36 UTCNew prefix 163.245.58.0/24

WHOIS

aut-num:        AS40994
as-name:        Alwyzon
member-of:      AS-ALWYZON
member-of:      AS40994:AS-ALWYZON
descr:          Alwyzon, a trading name of Hohl IT e.U.
org:            ORG-MH145-RIPE
remarks:        =======================================================
remarks:        BGP Communities (Origin)
remarks:        =======================================================
remarks:        40994:0 CUSTOMERS
remarks:        40994:1 PEERS
remarks:        40994:64040 ORIGIN-AT
remarks:        40994:64203 ORIGIN-CZ
remarks:        40994:64276 ORIGIN-DE
remarks:        40994:64348 ORIGIN-HU
remarks:        40994:64528 ORIGIN-NL
remarks:        40994:64703 ORIGIN-SK
remarks:        =======================================================
remarks:        BGP Communities (Outbound)
remarks:        =======================================================
remarks:        for <PEER/IX> = 174, 1121, 1299, 6762, 9002, etc:
remarks:        65530:<PEER/IX> PREPEND-0X-<PEER/IX>
remarks:        65531:<PEER/IX> PREPEND-1X-<PEER/IX>
remarks:        65532:<PEER/IX> PREPEND-2X-<PEER/IX>
remarks:        65534:<PEER/IX> NO-EXPORT-<PEER/IX>
remarks:        65534:0 NO-EXPORT-ANY
remarks:        65535:666 BLACKHOLE
remarks:        =======================================================
remarks:        Transit
remarks:        =======================================================
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        =======================================================
admin-c:        ATC54-RIPE
tech-c:         ATC54-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         alwyzon-mnt
created:        2020-10-06T12:24:09Z
last-modified:  2025-11-13T11:57:34Z
source:         RIPE
% 10 routing policy lines (import/export) not shown