asn.dev

Autonomous system

AS21473 PFALZKOM Pfalzkom GmbH

Unclassified APNIC

IPv4 addresses 45.06K 31 prefixes
IPv6 prefixes 27 counted as prefixes, not addresses
Countries 1 mostly DE
Exchanges 5 recorded by PCH
Upstreams 25 31 downstream
Flagged prefixes 0 none

Summary

Pfalzkom

Germany · AI-generated

isp residential business germany

PFALZKOM is the autonomous system for Pfalzkom GmbH, a German telecommunications provider based in Mannheim.

What it's used for

  • The address space carries customer access traffic, evidenced by reverse DNS entries like 212-65-23-254.cust.pfalzkom.net and netnames such as DE-MANET-981027 and DE-PFALZKOM-20000406.
  • With 45312 IPv4 addresses announced across 31 prefixes and 157 observed neighbours, the ratio indicates a regional access network providing connectivity to end-users and businesses rather than a pure transit provider.

Notable

  • Registrants largely align with the announcer, including Pfalzkom Network Operations and PFALZKOM GmbH, though some prefixes are registered to third parties like Grosskraftwerk Mannheim AG and Tegro Kabelbau GmbH, suggesting leased space or historical acquisitions.
  • The inventory includes a mix of large /19 blocks and smaller /22 and /24 prefixes, reflecting a diverse customer base ranging from enterprise clients to residential subscribers.

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

Full topology · Graph

Internet exchanges

Recorded at 5 exchanges in 2 countries, largest first.

ExchangeLocationTheir address
DE-CIX FrankfurtFrankfurt, Germany80.81.192.3
The Frys Internet ExchangeFrysian, Netherlands2001:7f8:10f::53e1:200
DE-CIX DusseldorfDüsseldorf, Germany185.1.171.106
DE-CIX MunichMunich, Germany185.1.208.244
ERA-IX AmsterdamAmsterdam, Netherlands185.1.240.71

Transit providers

25 upstream, 31 downstream and 89 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS5405Inter.link GmbH422
AS1299Arelion Sweden AB361
AS3356Level 3 Parent, LLC325
AS6939Hurricane Electric LLC275
AS34549meerfarbig GmbH & Co. KG93
AS3320Deutsche Telekom AG81
AS2914NTT America, Inc.55
AS34309Link11 GmbH49

All 25 upstreams →

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-16, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 31 prefixes · 45.06K addresses IPv6 27 prefixes

CountryNamePrefixes
DEGermany58

Registry

Allocation record

APNIC · via Atlas (registry + RDAP)
Registry
APNIC
Handle
AS21473
Registry name
PFALZKOM
Registrant
MANET-RIPE-MNT
Abuse contact
abuse@pfalzkom.de
Registered
2002-09-18
Last changed
2023-02-13
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
51% valid · 21 valid, 20 with no ROA
ROAs
21 authorising AS21473
ASPA
7 declared providers
IRR
98% registered · 40 of 41 announcements
Route objects
53 naming AS21473

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 1,783 prefixes, as published 2026-10-17. 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

Cross-check