Autonomous system
AS12731 IPHH IPHH Internet Port Hamburg GmbH
Unclassified ARIN NSP
Summary
IPHH Internet Port Hamburg
hosting transit business
150 neighbours, and reverse DNS that names the VLAN and the physical port on the core router.
What it's used for
- Hosting, colocation and transit in Hamburg. 19,456 addresses in fourteen IPv4 prefixes, five IPv6 prefixes, and 150 observed BGP neighbours.
Notable
- The operator's own allocations run
DE-IPHH-20000119,DE-IPHH-20020321on four blocks,DE-IPHH-20130829andDE-IPHH-20140414. - Four customer blocks appear under their own names: HDWE Verwaltungs- und Planungs-GmbH, SupplyOn GmbH, ePages GmbH and one netname
T1-MAIN. - The IPv6 prefixes span four separate aggregates, including
2001:868::/29. - One sampled address answered, as
vlan225-ge1-0.cr1.hamburg1.iphh.net.
Interesting
- That single hostname carries four facts: VLAN 225, on GigabitEthernet port 1/0, of core router 1, in the Hamburg 1 site. Network engineers name interfaces this way so a traceroute reads as a map of the building, and the same property makes the topology legible to anyone who runs one from outside.
- 150 neighbours against 19,456 addresses is an exchange-point participant rather than an access network. A colocation business in a city with a busy exchange sells reach: the value is the number of networks a customer becomes one hop from, and that number is exactly what the neighbour count measures.
- The IPv6 holdings come from four different aggregates, one of them a
/29. That mix is the registry history of an operator that has been asking for address space since the early days of the protocol and has been given a different size each time policy changed.
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 7 exchanges in 2 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.192.27 |
| AMS-IX Amsterdam | Amsterdam, Netherlands | 80.249.208.226 |
| DE-CIX Hamburg | Hamburg, Germany | 185.1.210.4 |
| Megaport Frankfurt IX | Frankfurt, Germany | 62.69.146.4 |
| Megaport Dusseldorf IX | Düsseldorf, Germany | 194.146.118.78 |
| Megaport Hamburg IX | Hamburg, Germany | 193.42.155.30 |
| Megaport Berlin IX | Berlin, Germany | 194.9.117.49 |
Transit providers
27 upstream, 12 downstream and 68 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 14 prefixes · 19.46K addresses IPv6 5 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 19 |
Registry
Allocation record
- Registry
- ARIN
- Handle
AS12731- Registry name
- IPHH
- Registrant
- AS12731-MNT
- Abuse contact
- abuse@iphh.net
- Registered
- 2002-09-20
- Last changed
- 2026-07-22
- Allocation
- allocated
Declared
PeeringDB profile
- Name
- Portus Data Centers / IPHH
- Also known as
- IPHH
- Network type
- NSP
- Scope
- Europe
- Traffic ratio
- Balanced
- Peering policy
- Selective
- IRR as-set
AS-IPHH- Present at
- 7 exchanges
- Facilities
- 5 facilities
- Website
- https://www.portusdatacenters.com/
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
- 81% valid · 13 valid, 3 with no ROA
- ROAs
- 12 authorising AS12731
- ASPA
- no ASPA record
- IRR
- 100% registered · 16 of 16 announcements
- Route objects
- 21 naming AS12731
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: 431 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