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AS numbers

AS31122 Viatel Ireland

AS31122 is operated by Viatel Ireland and registered with RIPE NCC (IE) since 2004-03-03.

It announces 45 IPv4 and 6 IPv6 prefixes, 98% of them RPKI valid.

RIPE RIS sees 45 upstream and peer networks and 23 downstream networks next to it.

PeeringDB lists it as an NSP network at 5 internet exchanges and 14 facilities. Its peering policy is open.

NameViatel Ireland
Registry (RIR)RIPE NCC
CountryIreland (IE)
Delegated on2004-03-03
Network typeNSP, Europe
Peering policyOpen
IRR as-setAS-DIGIWEB
Prefixes (IPv4 / IPv6)45 / 6
RPKI valid98% (50 / 51)
Upstreams and peers45
Downstream networks23
Websiteviatel.com

Routing health

  • AS31122 announces 45 IPv4 and 6 IPv6 prefixes.
  • 50 of 51 announced prefixes are RPKI valid.
  • 1 announced prefixes are not covered by a ROA of AS31122 (they may have none, or another network’s).
  • 45 upstreams and peers, 23 downstream networks seen.

For every check with the fix (IRR route objects, the RPKI state of each route, reverse DNS and the registration), run the full network report.

Announced prefixes 51

  • 37.77.58.0/23
  • 45.88.184.0/23
  • 45.88.246.0/23
  • 45.89.32.0/22
  • 45.93.150.0/23
  • 45.94.112.0/22
  • 45.131.248.0/22
  • 45.139.254.0/23
  • 45.146.184.0/23
  • 45.153.200.0/22
  • 45.157.128.0/22
  • 46.183.104.0/23
  • 78.137.128.0/18
  • 78.143.128.0/18
  • 80.93.16.0/20
  • 83.147.128.0/18
  • 84.203.0.0/16
  • 89.16.64.0/19
  • 89.184.32.0/22
  • 89.184.40.0/21
  • 89.184.48.0/21
  • 89.184.56.0/23
  • 89.234.64.0/18
  • 91.142.96.0/20
  • 92.51.192.0/20
  • 92.51.216.0/21
  • 92.51.240.0/21
  • 93.92.8.0/21
  • 94.247.48.0/21
  • 109.106.96.0/20
  • 109.106.112.0/21
  • 109.106.124.0/22
  • 149.24.120.0/24
  • 176.52.216.0/22
  • 176.52.220.0/23
  • 185.47.144.0/22
  • 185.53.32.0/24
  • 185.53.35.0/24
  • 185.182.72.0/22
  • 185.205.228.0/22
  • 185.233.176.0/22
  • 185.242.236.0/23
  • 212.126.32.0/19
  • 212.126.60.0/22
  • 217.78.0.0/20
  • 2a0a:e780::/29
  • 2a00:15b8:400::/40
  • 2a00:15b8::/32
  • 2a01:8aa0::/32
  • 2a01:258::/32
  • 2a02:220::/32

Upstreams and peers 45

The networks RIPE RIS sees next to AS31122 in BGP paths, the most visible first.

Peering

Peering policy: Open. Suggested max-prefix limits: 400 IPv4, 50 IPv6. PeeringDB record

Internet exchanges 5
ExchangePortsSpeedRoute server
INEX Cork: Peering LAN120GYes
INEX LAN1: INEX LAN11100GYes
INEX LAN2120GYes
LINX LON1: Main150GYes
LONAP: LON0120GYes
Facilities 14
FacilityCityCountry
CIXCork CityIE
Digital Realty Dublin DUB1-2DublinIE
Digital Realty Dublin DUB10DublinIE
Digital Realty Dublin DUB13-14DublinIE
Eircom Dublin (Citywest)DublinIE
Equinix DB1 - Dublin, CityWestDublinIE
Equinix DB2 - Dublin, KilcarberyDublinIE
Equinix DB3 - Dublin, BallycoolinDublinIE
Equinix LD4 - London, SloughSloughGB
Equinix LD5 - London, SloughSloughGB
Equinix LD6 - London, SloughSloughGB
Keppel Data Centres | Keppel DC Dublin 1DublinIE
Telehouse - London (Docklands North)LondonGB
VDC2 Viatel ParkwestDublinIE

More about AS31122

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-14 11:49 UTC. The country is where the AS number was registered, not necessarily where the network operates.