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AS numbers

AS2857 Johannes Gutenberg-Universitaet Mainz

AS2857 is operated by Johannes Gutenberg-Universitaet Mainz and registered with RIPE NCC (DE) since 1993-12-27.

PeeringDB lists it as an Educational/Research network at 2 internet exchanges and 2 facilities. Its peering policy is open.

NameJohannes Gutenberg-Universitaet Mainz
Registry (RIR)RIPE NCC
CountryGermany (DE)
Delegated on1993-12-27
Network typeEducational/Research, Regional
Peering policyOpen
IRR as-setRIPE::AS-RLP-NET
Websiteuni-mainz.de

Routing health

  • Partial result: RIPEstat did not return the prefixes, neighbours, roas in time.

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.

Peering

Peering policy: Open. Suggested max-prefix limits: 50 IPv4, 20 IPv6. PeeringDB record

Internet exchanges 2
ExchangePortsSpeedRoute server
DE-CIX Frankfurt: DE-CIX Frankfurt Peering LAN220GYes
MegaIX Frankfurt1100GYes
Facilities 2
FacilityCityCountry
Digital Realty Frankfurt FRA1-27FrankfurtDE
Equinix FR7 - Frankfurt, GutleutstrasseFrankfurtDE

More about AS2857

Sources: RIR delegation data and PeeringDB (updated daily); routing from RIPEstat (RIPE NCC RIS and RPKI), refreshed daily. Routing data from 2026-11-12 19:20 UTC. The country is where the AS number was registered, not necessarily where the network operates.