AS21056 Vianova S.p.A

Italy ASN-WELCOMEITALIA RIPE 42 IPv4 prefixes 1 IPv6 prefix
IPv4 addresses
90,624
IPv6 /48 networks
65,536
RPKI
41 valid2 no ROA
Peers and downstreams
161

Holder

AS name
ASN-WELCOMEITALIA
Description
Vianova S.p.A
Organisation
Vianova S.p.A
Abuse contact
ipnoc@welcomeitalia.it
Assigned
2001-08-07
Registered
2002-05-02
Record last changed
2025-12-22 13:39 UTC

Upstream graph

Upstreams and their upstreams, from BGP paths

Network health

Grade B · 89/100
partly Prefixes covered by valid ROAs
41 of 43 announced prefixes are RPKI valid, 2 have no ROA.
24/25
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
7 upstreams seen in BGP.
10/10
pass Working abuse contact
ipnoc@welcomeitalia.it is published.
15/15
fail Publishes a geofeed
No geofeed found. Without one, location databases have to guess.
0/10
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 2025-12-22.
5/5

Routing changes

Last 30 days
2026-10-04 14:07 UTCNeighbour gone AS213241 peer
2026-10-04 14:07 UTCNeighbour gone AS205103 upstream
2026-10-04 14:07 UTCNeighbour gone AS198249 peer
2026-10-04 14:07 UTCNeighbour gone AS56662 peer
2026-10-04 14:07 UTCNeighbour gone AS52320 peer
2026-10-04 14:07 UTCNeighbour gone AS39249 upstream
2026-10-04 14:07 UTCNeighbour gone AS37282 upstream
2026-10-04 14:07 UTCNeighbour gone AS31027 peer
2026-10-04 14:07 UTCNeighbour gone AS24889 upstream
2026-10-04 14:07 UTCNeighbour gone AS22356 upstream
2026-10-04 14:07 UTCNeighbour gone AS7195 upstream
2026-10-04 14:07 UTCNeighbour gone AS6758 upstream
2026-10-04 14:07 UTCNeighbour gone AS4601 upstream
2026-10-04 14:07 UTCNew neighbour AS8888 peer
2026-10-04 14:07 UTCRelationship changed AS47147 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS264479 peer
2026-10-04 14:07 UTCRelationship changed AS9044 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS9002 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS8966 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS8758 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS8298 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS8220 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS8218 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS7713 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS6797 peer
2026-10-04 14:07 UTCRelationship changed AS6777 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS6695 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS6663 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS6461 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS6204 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS6057 peer
2026-10-04 14:07 UTCRelationship changed AS60171 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS5405 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS50673 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS49559 peer
2026-10-04 14:07 UTCRelationship changed AS48362 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS4455 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS4230 peer
2026-10-04 14:07 UTCRelationship changed AS39351 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS37497 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS37468 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS3741 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS37100 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS35280 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS34927 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS34177 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS34019 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS33891 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS29691 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS29632 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS29208 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS29075 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS24961 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS215638 peer
2026-10-04 14:07 UTCRelationship changed AS212024 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS20766 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS20764 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS20562 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS20485 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS1836 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS1764 upstream to peer
2026-10-04 14:07 UTCNew neighbour AS17557 peer
2026-10-04 14:07 UTCRelationship changed AS15958 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS15802 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS15576 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS14840 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS137409 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS12577 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS1103 upstream to peer
2026-10-04 14:07 UTCRelationship changed AS1031 upstream to peer

WHOIS

aut-num:        AS21056
as-name:        ASN-WELCOMEITALIA
org:            ORG-WIS2-RIPE
remarks:        ==============================================================================================================================
remarks:        Peering informations:
remarks:        ==============================================================================================================================
remarks:        Operational issues:ipnoc [at] welcomeitalia [dot] it
remarks:        Spam and abuse issues:ipnoc [at] welcomeitalia [dot] it
remarks:        IPv4 network: Welcome Italia filters out inbound prefixes longer than /24
remarks:        IPv6 network: Welcome Italia filters out inbound prefixes longer than /48
remarks:        
remarks:        Peering requests peering [at] welcomeitalia [dot] it
remarks:        Others information http://as21056.peeringdb.com/
remarks:        
remarks:        ==============================================================================================================================
remarks:        ==============================================================================================================================
remarks:        IPv4 Transit:
remarks:        ==============================================================================================================================
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        IPv6 Transit:
remarks:        ==============================================================================================================================
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        Italian Exchange Point IPv4:
remarks:        ==============================================================================================================================
remarks:        ==============================================================================================================================
remarks:        IXP Speed and IP address by Town
remarks:        ==============================================================================================================================
remarks:        MIX -- 60 Gbps -- 217.29.66.43 -- Milan (IT)
remarks:        NAMEX -- 50 Gbps -- 193.201.28.41 -- Rome (IT)
remarks:        TIX -- 1 Gbps -- 193.42.140.23 -- Florence (IT)
remarks:        VSIX -- 1 Gbps -- 95.140.128.70 -- Padova (IT)
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        European Exchange Point IPv4:
remarks:        ==============================================================================================================================
remarks:        ==============================================================================================================================
remarks:        IXP Speed and IP address by Town
remarks:        ==============================================================================================================================
remarks:        DE-CIX -- 20 Gbps -- 80.81.196.141 -- Frankfurt (DE)
remarks:        DE-CIX -- 10 Gbps -- 185.1.47.117 -- Marseille (FR)
remarks:        AMS-IX -- 10 Gbps -- 80.249.214.79 -- Amsterdam (ND)
remarks:        LINX -- 10 Gbps -- 195.66.231.180 -- London (UK)
remarks:        FRANCE-IX -- 10 Gbps -- 37.49.238.160 -- Paris (FR)
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        Private Network Interconnect
remarks:        ==============================================================================================================================
remarks:        Google AS15169 -- 100 Gbps -- Milan (IT)
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        Customers IPv4:
remarks:        ==============================================================================================================================
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        Customers IPv6:
remarks:        ==============================================================================================================================
remarks:        
remarks:        
remarks:        ==============================================================================================================================
remarks:        Communities used to tag inbound routes
remarks:        ==============================================================================================================================
remarks:        
remarks:        21056:65000 Routes received from Customers
remarks:        21056:65020 Routes received from peers at MIX IXP
remarks:        21056:65025 Routes received from peers at MIX IXP RS
remarks:        21056:65030 Routes received from peers at TIX IXP
remarks:        21056:65040 Routes received from peers at NAMEX IXP
remarks:        21056:65045 Routes received from peers at NAMEX IXP RS
remarks:        21056:65050 Routes received from peers at VSIX IXP
remarks:        21056:65055 Routes received from peers at VSIX IXP RS
remarks:        21056:65060 Routes received from peers at DECIX IXP
remarks:        21056:65065 Routes received from peers at DECIX IXP RS
remarks:        21056:65070 Routes received from peers at AMSIX IXP
remarks:        21056:65075 Routes received from peers at AMSIX IXP RS
remarks:        21056:65066 Routes received from peers at DECIX-MARSEILLE IXP
remarks:        21056:65067 Routes received from peers at DECIX-MARSEILLE RS
remarks:        21056:65080 Routes received from peers at LINX IXP
remarks:        21056:65085 Routes received from peers at LINX IXP RS
remarks:        21056:65090 Routes received from peers at FRANCE-IX IXP
remarks:        21056:65095 Routes received from peers at FRANCE-IX IXP RS
remarks:        21056:65100 Routes received from Google PNI (AS15169)
remarks:        21056:3356 Routes received from Level3 (AS3356)
remarks:        21056:1299 Routes received from Telia Sonera (AS1299)
remarks:        21056:6939 Routes received from Hurricane Electric (AS6939)
remarks:        21056:12874 Routes received from Fastweb (AS12874)
remarks:        21056:3269 Routes received from Telecom Italia (AS3269)
remarks:        21056:6762 Routes received from Sparkle (AS6762)
remarks:        21056:3257 Routes received from GTT (AS3257)
remarks:        
remarks:        ==============================================================================================================================
remarks:        Communities used to control routing announcements
remarks:        ==============================================================================================================================
remarks:        21056:6511x When advertising to Sparkle (AS6762)
remarks:        21056:6513x When advertising to Telecom Italia (AS3269)
remarks:        21056:6516x When advertising to GTT (AS3257)
remarks:        21056:6517x When advertising to Telia Sonera (AS1299)
remarks:        21056:6518x When advertising to Level3 (AS3356)
remarks:        21056:6519x When advertising to Fastweb (AS12874)
remarks:        21056:6520x When advertising to MIX members
remarks:        21056:6521x When advertising to TIX members
remarks:        21056:6522x When advertising to NAMEX members
remarks:        21056:6523x When advertising to VSIX members
remarks:        21056:6524x When advertising to DECIX members
remarks:        21056:6525x When advertising to AMSIX members
remarks:        21056:6526x When advertising to LINX members
remarks:        21056:6527x When advertising to FRANCE-IX members
remarks:        21056:6528x When advertising to Google PNI
remarks:        
remarks:        ...x=0 - do not announce
remarks:        ...x=1,2,3,4 - prepend 1,2,3,4 times
remarks:        ...x=9 - set community no-export
remarks:        21056:65310 Do not announce to upstreams
remarks:        21056:65320 Do not announce to peers at any IXP
remarks:        21056:666 Black Hole Community
admin-c:        AB18571-RIPE
tech-c:         WIIN1-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         WELCOME-ITALIA-MNT
created:        2002-05-02T15:36:10Z
last-modified:  2025-12-22T13:39:46Z
source:         RIPE
% 56 routing policy lines (import/export) not shown