HomeASN LookupAS51871

AS51871 F1-CONSULT F1-CONSULT GmbH & Co. KG

🇩🇪

Org handle: ORG-FGCK5-RIPE

RIPE NCCallocated
Announced Prefixes (BGP)
14total
8 IPv46 IPv6
IPv4 Addresses
Allocated (RIR)3,072
Announced (BGP)3,584
IPv6 Addresses
Allocated (RIR)9.5×10²⁹
Announced (BGP)9.5×10²⁹
Prefix Limit (IPv4)
20
Prefix Limit (IPv6)
20
Country
🇩🇪 DE
RIR
RIPE NCC
Status
allocated
Allocated
2010-11-18

Announced Prefixes

(BGP)14
|
Prefix
RPKI
IRR
Last Seen
185.239.20.0/22
 Valid
RIPE
2026-10-11
185.239.20.0/24
 Valid
RIPE
2026-10-11
185.239.21.0/24
 Valid
RIPE
2026-10-11
193.34.28.0/22
 Valid
RIPE
2026-10-11
193.34.28.0/24
 Valid
RIPE
2026-10-11
193.34.29.0/24
 Valid
RIPE
2026-10-11
193.34.30.0/24
 Valid
RIPE
2026-10-11
193.34.31.0/24
 Valid
RIPE
2026-10-11
2001:67c:21b0::/48
 Valid
RIPE
2026-10-11
2a13:9140::/29
 Valid
RIPE
2026-10-11
1-10 of 14
1 / 2

Allocated Prefixes

(RIR)12
Prefix
Country
RIR
Status
185.239.20.0/22🇩🇪 DERIPENCCallocated
185.239.20.0/24🇩🇪 DERIPEassigned
185.239.21.0/24🇩🇪 DERIPEassigned
185.239.22.0/24🇩🇪 DERIPEassigned
185.239.23.0/24🇩🇪 DERIPEassigned
193.34.28.0/22🇩🇪 DERIPENCCassigned
2001:67c:21b0::/48🇩🇪 DERIPENCCassigned
2a13:9140::/29🇩🇪 DERIPENCCallocated
2a13:9140::/32🇩🇪 DERIPEassigned
2a13:9141::/32🇩🇪 DERIPEassigned
1-10 of 12
1 / 2

All 14 announced prefixes of AS51871 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS51871 hands its own prefixes to: transit providers, or peers at an exchange.

  • AS3491PCCWG APAC HK PCCW Global HK8
  • AS3320DTAG Deutsche Telekom6

Transfer History

Registry transfers of AS51871 between organisations.

1
  • AS51871Transfer ·
    F1-Consult e.K.
    RIPE NCC
    →
    F1-CONSULT GmbH & Co. KG
    RIPE NCC
ASPA
No ASPA
Abuse Contact
External Links
RIPE WhoisRIPEstat

Learn more

API
Open
GEThttps://api.ipctl.io/v1/asn/51871

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

curl -s "https://api.ipctl.io/v1/asn/51871" | jq