Autonomous system
AS12553 GRAWEHR
Unclassified RIPE
Summary
Grawehr
business transit
A network registered to one named person, peering with 47 others from a single /24.
What it's used for
- Independent connectivity. 256 IPv4 addresses in one
/24, one IPv6/47, and 47 observed BGP neighbours.
Notable
- The registry holder is not a company but an individual: Andreas Grawehr.
- The one IPv4 block,
193.105.5.0/24, is netnameGRAWEHR-net1— a surname in capitals with a lower-casenet1bolted on. - The IPv6 announcement is a
/47, an odd size in a range where/48s are the norm. - Forty-seven neighbours against 256 addresses.
Interesting
- Forty-seven adjacencies is peering-network territory, and reaching it from a single
/24registered to a person is unusual enough to be the whole story. Somebody turned up at the Swiss exchanges and said yes to everyone with an open peering policy, which costs port fees and patience rather than address space. GRAWEHR-net1is a netname written by the person it belongs to. Company records get typed by whoever handles the paperwork and come out uniformly shouted; this one has a considered capital for the name and none for the number, because it was written by hand once and meant something to its author.- A
/47rather than a/48means two adjacent/48s announced together. It is the smallest possible gesture toward wanting more than the default.
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 1 exchange in 1 country, largest first.
| Exchange | Location | Their address |
|---|---|---|
| SwissIX | Zurich, Switzerland | 91.206.52.51 |
Transit providers
9 upstream, 0 downstream and 15 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 2026-10-15, 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 · 256 addresses IPv6 1 prefixes
| Country | Name | Prefixes |
|---|---|---|
| CH | Switzerland | 2 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS12553- Registry name
- GRAWEHR
- Registrant
- AS12553-MNT
- Abuse contact
- abuse@grawehr.net
- Registered
- 2010-01-05
- Last changed
- 2025-07-13
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 2 valid, 0 with no ROA
- ROAs
- 2 authorising AS12553
- ASPA
- no ASPA record
- IRR
- 100% registered · 2 of 2 announcements
- Route objects
- 4 naming AS12553
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 1,781 prefixes, as published 2026-10-16. 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