HomeASN LookupAS44066

AS44066 DE-FIRSTCOLO firstcolo GmbH

🇩🇪

Org handle: ORG-AISG3-RIPE

firstcolo.net

RIPE NCCallocated
Announced Prefixes (BGP)
76total
59 IPv417 IPv6
IPv4 Addresses
Allocated (RIR)160,256
Announced (BGP)166,400
IPv6 Addresses
Allocated (RIR)1.5×10³⁰
Announced (BGP)1.7×10³⁰
Prefix Limit (IPv4)
200
Prefix Limit (IPv6)
100
Country
🇩🇪 DE
RIR
RIPE NCC
Status
allocated
Allocated
2007-11-13

Routing hygiene

Score 23/100 · Low risk
RPKI ROA coverage
73.7%
2 prefixes RPKI invalid
IRR route objects
96.1%
2 prefixes registered for another origin
Hijack signals
1
1 announced against others' ROAs, 0 own announced by others
Upstreams
10
diversity 62/100
  • 26% of announced prefixes (20 of 76) have no valid ROA, 2 of them RPKI invalid
  • Announces 1 prefix that RPKI assigns to another network (possible hijack or misconfiguration)

Based on 76 announced prefixes, updated daily (2026-10-24). How the score works · RPKI explained

Announced Prefixes

(BGP)76
|
Prefix
RPKI
IRR
Last Seen
5.10.251.0/24MOAS
 Valid
RIPE
2026-10-26
5.132.158.0/24
 Valid
RIPE
2026-10-26
5.154.181.0/24
 Valid
RIPE
2026-10-26
31.172.80.0/20
 Valid
RIPE
2026-10-26
31.172.85.0/24
 Valid-2026-10-26
37.114.96.0/19
 Valid
RIPE
2026-10-26
38.19.198.0/24MOAS
 Valid
ARINOther IRR
2026-10-26
62.223.44.0/22
 Valid
RIPE
2026-10-26
79.133.32.0/19
 Valid
RIPE
2026-10-26
80.91.79.0/24MOAS
 Valid
RIPE
2026-10-26
1-10 of 76
1 / 8

Allocated Prefixes

(RIR)51
Prefix
Country
RIR
Status
5.10.251.0/24🇬🇧 GBRIPEassigned
5.132.158.0/24🇩🇪 DERIPEassigned
5.154.181.0/24🇪🇪 EERIPENCCallocated
31.172.80.0/20🇩🇪 DERIPENCCallocated
37.114.96.0/19🇩🇪 DERIPENCCallocated
62.223.44.0/22🇩🇪 DERIPEassigned
79.133.32.0/19🇩🇪 DERIPENCCallocated
80.91.79.0/24🇳🇱 NLRIPEassigned
80.173.138.0/23🇩🇪 DERIPENCCallocated
82.211.0.0/18🇩🇪 DERIPENCCallocated
1-10 of 51
1 / 6

All 76 announced prefixes of AS44066 →

Downstream Customers(5)

ASNName
AS18001🇱🇰DIALOG-AS - Dialog Axiata PLC.
AS44051🇪🇸FORNEX-AS Fornex Hosting S.L.
AS131314🇭🇰CBC-AS-AP - CBC Tech International Limited
AS199476🇩🇪SYNDICAT Niels Dettenbach
AS218443🇩🇪ASTECO Alexis Steppat trading as asteco e.K.

BGP Neighbours

(seen in AS paths)

Upstreams (10)

Networks AS44066 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS42708GLESYS AB49
  • AS174Cogent Communications11
  • AS2914NTT America6
  • AS15958CETIN Doo CETIN . Belgrade6
  • AS6939Hurricane Electric4
  • AS1299TWELVE99 Arelion Sweden AB2
  • AS3257GTT BACKBONE GTT Communications1
  • AS3320DTAG Deutsche Telekom1
  • AS6204ZET NET INTERKVM HOST1
  • AS33891CORE BACKBONE Core Backbone1

Downstreams (18)

Networks whose own prefixes AS44066 passes on: usually its customers.

Other adjacent networks (6)

Adjacent to AS44066 in the transit part of AS paths: peers, providers or customers.

  • AS6424EDGOO NETWORKS UNIPESSOAL LDA6
  • AS24482SG.GS5
  • AS1103SURFNET NL SURF B.V4
  • AS28917Fiord Networks, UAB1
  • AS34177CELESTE SAS1
  • AS37468Angola Cables Angola Cables1

Transfer History

Registry transfers of AS44066 between organisations.

1
  • AS44066M&A ·
    First Colo GmbH
    RIPE NCC
    →
    diva-e Datacenters GmbH
    RIPE NCC
ASPA
No ASPA0 upstreams, 5 downstreams
Listed as Upstream Provider by
5 ASNs
View full ASPA details →
Abuse Contact
+31205354444
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/44066

Returns ASN details, announced prefixes, and BGP routing data.

curl -s "https://api.ipctl.io/v1/asn/44066" | jq