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AS numbers

AS31317 AnschlussWerk

AS31317 is operated by AnschlussWerk and registered with RIPE NCC (DE) since 2015-05-19.

It announces 18 IPv4 and 8 IPv6 prefixes, 100% of them RPKI valid.

RIPE RIS sees 52 upstream and peer networks and 2 downstream networks next to it.

PeeringDB lists it as a Cable/DSL/ISP network at 5 internet exchanges and 8 facilities. Its peering policy is selective.

NameAnschlussWerk
Registry (RIR)RIPE NCC
CountryGermany (DE)
Delegated on2015-05-19
Network typeCable/DSL/ISP, Regional
Peering policySelective
IRR as-setRIPE::AS-ANSCHLUSSWERK
Prefixes (IPv4 / IPv6)18 / 8
RPKI valid100% (26 / 26)
Upstreams and peers52
Downstream networks2
Websiteanschlusswerk.de

Routing health

  • AS31317 announces 18 IPv4 and 8 IPv6 prefixes.
  • All 26 announced prefixes are RPKI valid.
  • 52 upstreams and peers, 2 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 26

  • 5.154.171.0/24
  • 31.209.160.0/20
  • 31.220.112.0/21
  • 37.251.224.0/21
  • 37.251.232.0/21
  • 45.119.124.0/22
  • 46.253.64.0/20
  • 77.87.191.0/24
  • 80.224.236.0/23
  • 91.198.136.0/24
  • 185.95.112.0/22
  • 185.114.140.0/22
  • 185.156.28.0/22
  • 185.170.244.0/22
  • 185.178.56.0/22
  • 185.206.121.0/24
  • 195.192.192.0/21
  • 195.192.200.0/21
  • 2a0a:b900::/29
  • 2a05:fb80::/29
  • 2001:67c:10b0::/48
  • 2001:67c:2048::/48
  • 2001:67c:f00::/48
  • 2001:67c:ff8::/48
  • 2001:678:42c::/48
  • 2001:678:e40::/48

Upstreams and peers 52

The networks RIPE RIS sees next to AS31317 in BGP paths, the most visible first.

Peering

Peering policy: Selective. Suggested max-prefix limits: 60 IPv4, 25 IPv6. PeeringDB record

Internet exchanges 5
ExchangePortsSpeedRoute server
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN110GYes
DE-CIX Munich: DE-CIX Munich Peering LAN110GYes
Peering.cz1100GYes
SAIX: Public Peering LAN110GYes
VIX130GYes
Facilities 8
FacilityCityCountry
Digital Realty Frankfurt FRA1-27FrankfurtDE
Digital Realty VIE1/2 - ViennaViennaAT
EMC Home of Data MUC I/II - MuCon-XMunichDE
Equinix MU1/MU3 - MunichMunichDE
Equinix MU4 - Munich, DornachAschheimDE
EXA Edge DC SalzburgSalzburgAT
R-KOM DatacenterRegensburgDE
Techno-ZSalzburgAT

More about AS31317

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 15:35 UTC. The country is where the AS number was registered, not necessarily where the network operates.