Autonomous system
AS44066 DE-FIRSTCOLO firstcolo.net
Unclassified DROP-listed space RIPE
Summary
firstcolo
hosting datacenter colocation business
The AS handle DE-FIRSTCOLO is held by firstcolo GmbH.
What it's used for
- The address space carries data center and colocation infrastructure, evidenced by netnames such as
DE-ACCELERATED-20031010and registrants listingfirstcolo NOCandfirstcolo GmbH. - With 148,480 IPv4 addresses announced across 140 prefixes and 235 observed neighbours, the high neighbour count relative to the address inventory indicates a transit and peering role typical of a data center operator connecting diverse tenants.
- Traffic from this AS consists of hosted servers, cloud instances, and managed IT services for corporate clients, rather than residential subscriber traffic.
Notable
- All sampled registrants align with the announcer, consistently listing
firstcolo GmbHandfirstcolo NOCfor prefixes including82.211.0.0/18and84.200.160.0/19. - The operator was acquired by infrastructure investor Cube Infrastructure Managers and rebranded as firstcolo.
- The inventory is dominated by the
84.200.0.0/16range, subdivided into numerous /19, /20, and /21 blocks, reflecting a large, segmented corporate estate.
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 3 exchanges in 3 countries, largest first.
| Exchange | Location | Their address |
|---|---|---|
| DE-CIX Frankfurt | Frankfurt, Germany | 80.81.194.3 |
| The Frys Internet Exchange | Frysian, Netherlands | 2001:7f8:10f::ac22:93 |
| Peering.cz | Prague, Czech Republic | 185.0.20.160 |
Transit providers
29 upstream, 78 downstream and 163 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 2026-10-10, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.
Address space
Summary
IPv4 140 prefixes · 148K addresses IPv6 33 prefixes
| Country | Name | Prefixes |
|---|---|---|
| DE | Germany | 173 |
Registry
Allocation record
- Registry
- RIPE
- Handle
AS44066- Registry name
- DE-FIRSTCOLO
- Registrant
- ACCELERATED-MNT
- Abuse contact
- abuse@first-colo.net
- Registered
- 2007-11-13
- Last changed
- 2025-09-05
- Allocation
- allocated
Routing security
RPKI and IRR
- RPKI
- 74% valid · 51 valid, 18 with no ROA
- ROAs
- 62 authorising AS44066
- ASPA
- no ASPA record
- IRR
- 99% registered · 68 of 69 announcements
- Route objects
- 101 naming AS44066
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.
3 DROP matches Announced space overlapping the DROP prefix list.
| Announced | DROP entry | Record |
|---|---|---|
| 168.80.34.0/24 | 168.80.0.0/15 | SBL458208 |
| 196.16.220.0/24 | 196.16.0.0/14 | SBL364590 |
| 196.17.228.0/24 | 196.16.0.0/14 | SBL364590 |
Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 431 networks and 1,775 prefixes, as published 2026-10-11. 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