Home ASN LookupAS57821

AS57821 NONATTACHED-AS Nonattached Network e.V.

🇩🇪

Org handle: ORG-NAN1-RIPE

RIPE NCCallocated

Announced Prefixes (BGP)

2total

1 IPv41 IPv6

IPv4 Addresses

Allocated (RIR)256

Announced (BGP)256

IPv6 Addresses

Allocated (RIR)1.2×10²⁴

Announced (BGP)1.2×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇩🇪 DE

RIR

RIPE NCC

Status

allocated

Allocated

2012-02-16

Announced Prefixes

(BGP)2

Prefix	RPKI	IRR	Last Seen
193.160.39.0/24	Valid	RIPE	2026-10-09
2001:67c:26f4::/48	Valid	RIPE	2026-10-09

Allocated Prefixes

(RIR)2

Prefix	Country	RIR	Status
193.160.39.0/24	🇩🇪 DE	RIPENCC	assigned
2001:67c:26f4::/48	🇩🇪 DE	RIPENCC	assigned

All 2 announced prefixes of AS57821 →

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS57821 hands its own prefixes to: transit providers, or peers at an exchange.

AS6939Hurricane Electric1
AS12586ASGHOSTNET GHOSTnet1

Transfer History

Registry transfers of AS57821 between organisations.

AS57821Transfer · 2021-03-01
Mr Florian Riehm
RIPE NCC
→
Nonattached Network e.V.
RIPE NCC
AS57821Transfer · 2016-05-06
Mr Dan Luedtke
RIPE NCC
→
Mr Florian Riehm
RIPE NCC

Date	Resource	From	To	Type
2021-03-01	AS57821	Mr Florian Riehm RIPE NCC	Nonattached Network e.V. RIPE NCC	Transfer
2016-05-06	AS57821	Mr Dan Luedtke RIPE NCC	Mr Florian Riehm RIPE NCC	Transfer

ASPA

No ASPA

Abuse Contact

External Links

RIPE Whois RIPEstat

Learn more

What is an ASN?Autonomous systems, ASN ranges and how they are assigned
RPKI and route origin validationWhat the RPKI badges on the prefix list mean
ASPA explainedWhy AS57821 should publish an ASPA object
IPv4 transfers in the RIPE NCC regionMonthly volume and the latest registry transfers
ASN data in AI agents and SIEMMCP server and API integrations

API

Open

GEThttps://api.ipctl.io/v1/asn/57821

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

curl -s "https://api.ipctl.io/v1/asn/57821" | jq