Autonomous system
AS48387 RTBH-AS berli.net
Unclassified RIPE
Summary
berli.net
residential isp germany
RTBH-AS is operated by Christian Seitz under the brand berli.net.
What it's used for
- The address space carries residential or small-business internet access, evidenced by reverse DNS entries such as
195-88-60-128.berli.netand the netnameRTBH-NET. - The AS announces 512 IPv4 addresses in a single /23 prefix and one IPv6 /47 prefix, with only one observed routing neighbour, indicating a small access network rather than a transit provider.
- Traffic from this AS consists of end-user internet access for subscribers of the berli.net service in Germany.
Notable
- The RDAP registrant for the announced prefix is Christian Seitz, matching the AS holder and the reverse DNS domain.
- The address inventory is compact, consisting of a single contiguous IPv4 block and a single IPv6 prefix, typical of a small regional ISP.
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
No exchange port on file. Many exchanges publish no participant list, so this is not proof of absence.
Transit providers
1 upstream, 0 downstream and 2 adjacent networks observed; most-used upstreams first.
| AS | Network | Paths seen |
|---|---|---|
| AS29670 | Individual Network Berlin ("IN-Berlin") e.V. | 253 |
Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-18, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 1 prefixes · 512 addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 2 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS48387- Registry name
- RTBH-AS
- Registrant
- Christian Seitz
- Abuse contact
- abuse@berli.net
- Registered
- 2012-09-07
- Last changed
- 2019-01-10
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 5 valid, 0 with no ROA
- ROAs
- 2 authorising AS48387
- ASPA
- 1 declared providers
- IRR
- 100% registered · 5 of 5 announcements
- Route objects
- 6 naming AS48387
Reputation
Classification and threat
Unclassified Not in the curated lists. Most of the ~80,000 allocated ASNs are not.
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: 442 networks and 1,784 prefixes, as published 2026-10-19. 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