Home Prefix Lookup2a0e:b102:140::/43

2a0e:b102:140::/43 - FESR Florian Martin Esser (AS209859)

IPv6RIPEassignedAS209859FESR-AS Florian Martin Esser RPKI Valid

CIDR

2a0e:b102:140::/43

IP Version

IPv6

Addresses

38.6Y

Mask

/43

Country

🇩🇪 Germany

City

Cologne (Chorweiler, Cologne)

RIR

RIPE

Status

assigned

Allocated

Announced BGP Routes

1 of 1 route

RPKI:

IRR:

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Prefix	Origin AS	RPKI	IRR	Last Seen
2a0e:b102:140::/43	AS209859 FESR-AS Florian Martin Esser	Valid	RIPE	2026-10-12

RPKI ROAs

Prefix	Origin	Max Length	Trust Anchor
2a0e:b102:140::/43	AS209859	/48	ripe

IRR Route Objects

Origin	Registry	Maintainer	Modified
AS209859	RIPE	FESR-MNT	2020-11-22

Origin ASN

AS209859

FESR-AS Florian Martin Esser

Related Prefixes

More prefixes of AS209859

All prefixes of AS209859 →

Geolocation

Country🇩🇪GermanyDE

RegionNorth Rhine-Westphalia

CityCologne (Chorweiler, Cologne)

Coordinates51.0148, 6.8947 ↗

Abuse Contact

Learn more

RPKI and ROAs explainedWhat RPKI valid, invalid and no ROA mean
RPKI validatorCheck ROA coverage for any prefix or ASN
What is BGP?How prefixes are announced and routed
More-specific prefixesGlossary: covering and more-specific routes
IPv4 transfer marketTransfers published by all five RIRs

API

Open

GEThttps://api.ipctl.io/v1/prefix/2a0e:b102:140::/43

Returns prefix allocation, BGP routes, and more-specific subnets.

curl -s "https://api.ipctl.io/v1/prefix/2a0e:b102:140::/43" | jq

External Links

RIPEstat