Autonomous system
AS57777 MASSAR
Hosting RIPE
Summary
Massar's Network
transit personal ipv6
The AS handle MASSAR is held by Jeroen Massar.
What it's used for
- The space carries personal and network administration traffic, evidenced by the netname
CH-MASSAR-20210624and reverse DNS entries such assubnet.zrh.ch.massars.netandip127.res.xx.massars.net. - The AS announces 256 IPv4 addresses and 1 IPv6 prefix while maintaining 902 observed neighbours, a ratio that indicates a transit or peering role rather than a large access network.
- Traffic from this AS consists of personal network operations and secure internet technologies, as described on the holder's personal website.
Notable
- The registrant
Jeroen Massar; Massar's Network Administrationagrees with the AS holder. - The address inventory is small, consisting of a single /24 IPv4 block and a single /29 IPv6 prefix.
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 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.194.133 |
| SwissIX | Zurich, Switzerland | 91.206.53.35 |
Transit providers
15 upstream, 0 downstream and 22 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 2026-10-11, 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
AS57777- Registry name
- MASSAR
- Registrant
- JRM1-MNT
- Abuse contact
- abuse@massars.net
- Registered
- 2021-06-24
- Last changed
- 2025-04-15
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 100% valid · 2 valid, 0 with no ROA
- ROAs
- 2 authorising AS57777
- ASPA
- 2 declared providers
- IRR
- 100% registered · 2 of 2 announcements
- Route objects
- 2 naming AS57777
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: 432 networks and 1,768 prefixes, as published 2026-10-12. 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