Autonomous system
AS31103 KEYWEB-AS Keyweb AG
Hosting RIPE NSP
Summary
Keyweb AG
hosting business colocation cloud
The AS handle KEYWEB-AS is held by Keyweb AG.
What it's used for
- The address space carries hosting and server infrastructure, evidenced by reverse DNS entries such as
h-87.118.68.0.keyweb.de,switch49.keyweb.de, andns2.rvsmaster2197.keyvirtual.de. - The network announces 37,376 IPv4 addresses across 45 prefixes and 1 IPv6 prefix, while maintaining 95 observed neighbours, a ratio consistent with a hosting provider connecting to multiple upstreams and peers.
Notable
- Registrants in the RDAP data consistently identify as Keyweb AG or its abuse contact, aligning with the AS holder.
- Keyweb AG operates a data center in Erfurt, Germany, specializing in high-availability cloud and server hosting for businesses.
- The inventory is finely subdivided into numerous /22 and /23 blocks, reflecting a segmented corporate estate for different service tiers or customer groups.
This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.
Interconnection
Peering at a glance
Internet exchanges
Recorded at 2 exchanges in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.192.57 |
| KleyReX Internet Exchange | Frankfurt, Germany | 193.189.82.223 |
Transit providers
15 upstream, 3 downstream and 21 adjacent networks observed; most-used upstreams first.
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-11-04, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 45 prefixes · 37.63K addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 46 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS31103- Registry name
- KEYWEB-AS
- Registrant
- KEYWEB-MNT
- Abuse contact
- abuse@keyweb.de
- Registered
- 2004-02-27
- Last changed
- 2024-11-27
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- Keyweb
- Network type
- NSP
- Scope
- Europe
- Traffic ratio
- Mostly Outbound
- Peering policy
- Open
- IRR as-set
AS-KEYWEB- Present at
- 2 exchanges
- Facilities
- 3 facilities
- Website
- https://www.keyweb.de
PeeringDB records are maintained by the network operator and are not independently verified. Treat them as a statement of intent rather than of fact. For the observed and recorded view, see peering, which lists the exchanges Packet Clearing House has a port on file for.
Routing security
RPKI and IRR
- RPKI
- 93% valid · 37 valid, 3 with no ROA
- ROAs
- 23 authorising AS31103
- ASPA
- no ASPA record
- IRR
- 100% registered · 40 of 40 announcements
- Route objects
- 158 naming AS31103
Reputation
Classification and threat
Hosting Datacenter or cloud provider. Addresses are servers, not people.
Spamhaus DROP
Not on ASN-DROP The network as a whole is not listed.
No DROP prefixes None of its announced space is on the DROP prefix list.
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 452 networks and 1,853 prefixes, as published 2026-11-05. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.
FBI IC3
No IC3 indicators Nothing from the FBI IC3 feed.
IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.
Elsewhere