HomeASN LookupAS206075

AS206075 HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt)

🇩🇪

Org handle: ORG-HJU2-RIPE

RIPE NCCallocatedASPA Published
Announced Prefixes (BGP)
6total
4 IPv42 IPv6
IPv4 Addresses
Allocated (RIR)1,024
Announced (BGP)1,024
IPv6 Addresses
Allocated (RIR)2.3×10²⁹
Announced (BGP)1.5×10²⁹
Prefix Limit (IPv4)
10
Prefix Limit (IPv6)
10
Country
🇩🇪 DE
RIR
RIPE NCC
Status
allocated
Allocated
2017-03-29

Routing hygiene

Score 10/100 · Low risk
RPKI ROA coverage
100%
no RPKI invalid prefixes
IRR route objects
100%
no origin mismatches
Hijack signals
0
0 announced against others' ROAs, 0 own announced by others
Upstreams
1
diversity 0/100
  • Only one upstream seen in the AS paths of its routes

Based on 6 announced prefixes, updated daily (2026-10-23). How the score works · RPKI explained

Announced Prefixes

(BGP)6
|
Prefix
RPKI
IRR
Last Seen
31.41.249.0/24
 Valid
RIPE
2026-10-26
91.218.20.0/24
 Valid
RIPE
2026-10-26
188.239.191.0/24
 Valid
RIPE
2026-10-26
193.36.132.0/24
 Valid
RIPE
2026-10-26
2a07:e040::/32
 Valid
RIPE
2026-10-26
2a07:e042::/32
 Valid
RIPE
2026-10-26

Allocated Prefixes

(RIR)7
Prefix
Country
RIR
Status
31.41.249.0/24🇩🇪 DERIPENCCallocated
91.218.20.0/24🇩🇪 DERIPENCCallocated
188.239.191.0/24🇩🇪 DERIPENCCallocated
193.36.132.0/24🇩🇪 DERIPENCCallocated
2a07:e040::/32🇳🇱 NLRIPEassigned
2a07:e041::/32🇸🇪 SERIPEassigned
2a07:e042::/32🇳🇱 NLRIPEassigned

All 6 announced prefixes of AS206075 →

Upstream Providers(4)

ASNName
AS3257🇺🇸GTT-BACKBONE GTT Communications Inc.
AS3399🇸🇪OBE-NET Obenet AB
AS6939🇺🇸HURRICANE - Hurricane Electric LLC
AS212477🇳🇱ROYALE-AS RoyaleHosting BV

Downstream Customers(3)

ASNName
AS207852🇲🇾Y525-Network Yonghan Ching
AS215956🇧🇪MYIP-AS Dennis de Houx trading as All In One
AS215960🇩🇪HOLLANDER-JACOBSEN Hollander & Jacobsen UG (haftungsbeschraenkt)

BGP Neighbours

(seen in AS paths)

Upstreams (1)

Networks AS206075 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS212477ROYALE RoyaleHosting BV6

Downstreams (8)

Networks whose own prefixes AS206075 passes on: usually its customers.

  • AS40663IncogNet7
  • AS215960HOLLANDER JACOBSEN Hollander & Jacobsen UG (Haftungsbeschraenkt)7
  • AS200690YOURSUNNY Junxiao Shi2
  • AS204789BizbetaLTD BIZBETA2
  • AS212085BRUEGGUS Alexander Bruegmann2
  • AS200890REN Jianfeng Ren1
  • AS206042SH WEB Suhail Haris1
  • AS215956MYIP Dennis De Houx Trading As All In One1

Other adjacent networks (3)

Adjacent to AS206075 in the transit part of AS paths: peers, providers or customers.

  • AS3257GTT BACKBONE GTT Communications13
  • AS3399OBE NET Obenet AB9
  • AS6939Hurricane Electric1

Transfer History

Registry transfers of AS206075 between organisations.

2
  • AS206075Transfer ·
    Hollander & Jacobsen UG (haftungsbeschraenkt)
    🇩🇪 DERIPE NCC
    →
    Hollander & Jacobsen UG (haftungsbeschraenkt)
    🇩🇪 DERIPE NCC
  • AS206075Transfer ·
    Maximilian Jacobsen
    RIPE NCC
    →
    Hollander & Jacobsen UG (haftungsbeschraenkt)
    RIPE NCC
ASPA
Published4 upstreams, 3 downstreams
Authorized Upstream Providers
AS3257AS3399AS6939AS212477
Expires 2026-10-27
Listed as Upstream Provider by
3 ASNs
View full ASPA details →
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/206075

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

curl -s "https://api.ipctl.io/v1/asn/206075" | jq