Home ASN LookupAS205406

AS205406 Access2IT Access2.IT Group B.V.

🇳🇱

Org handle: ORG-AGB11-RIPE

Access2.IT Group B.V.

RIPE NCCallocatedASPA Published

Announced Prefixes (BGP)

19total

11 IPv48 IPv6

IPv4 Addresses

Allocated (RIR)1,536

Announced (BGP)2,816

IPv6 Addresses

Allocated (RIR)4.8×10²⁴

Announced (BGP)9.6×10²⁴

Prefix Limit (IPv4)

Prefix Limit (IPv6)

Country

🇳🇱 NL

RIR

RIPE NCC

Status

allocated

Allocated

2017-09-04

Routing hygiene

Score 14/100 · Low risk

RPKI ROA coverage

100%

no RPKI invalid prefixes

IRR route objects

84.2%

3 prefixes registered for another origin

Hijack signals

0 announced against others' ROAs, 1 own announced by others

Upstreams

diversity 10/100

Routes concentrated on one upstream (95% of routes)
1 prefix of this ASN announced by another network against its ROAs
16% of announced prefixes (3 of 19) have no IRR route object for this ASN

Based on 19 announced prefixes, updated daily (2026-10-26). How the score works · RPKI explained

Announced Prefixes

(BGP)19

Prefix	RPKI	IRR	Last Seen
45.151.156.0/24	Valid	-	2026-10-26
45.151.157.0/24	Valid	RIPE	2026-10-26
45.151.158.0/24	Valid	RIPE	2026-10-26
45.154.238.0/24	Valid	RIPE	2026-10-26
185.208.209.0/24	Valid	RIPE	2026-10-26
185.208.210.0/24	Valid	RIPE	2026-10-26
185.227.82.0/24	Valid	RIPE	2026-10-26
185.228.83.0/24	Valid	RIPE	2026-10-26
185.243.112.0/24	Valid	RIPE	2026-10-26
185.243.113.0/24	Valid	RIPE	2026-10-26

1-10 of 19

1 / 2

Allocated Prefixes

(RIR)10

Prefix	Country	RIR	Status
45.154.238.0/24	🇳🇱 NL	RIPE	assigned
185.208.210.0/24	🇳🇱 NL	RIPE	assigned
185.228.83.0/24	🇳🇱 NL	RIPE	assigned
185.243.112.0/24	🇳🇱 NL	RIPE	assigned
185.243.113.0/24	🇳🇱 NL	RIPE	assigned
194.146.48.0/24	🇬🇧 GB	RIPE	assigned
2a0b:3c40:7::/48	🇳🇱 NL	RIPE	assigned
2a0b:3c40:11::/48	🇳🇱 NL	RIPE	assigned
2a0b:3c40:15::/48	🇳🇱 NL	RIPE	assigned
2a0b:3c40:16::/48	🇳🇱 NL	RIPE	assigned

All 19 announced prefixes of AS205406 →

Upstream Providers(1)

ASN	Name
AS208258	🇳🇱Access2IT Access2.IT Group B.V.

Downstream Customers(1)

ASN	Name
AS208258	🇳🇱Access2IT Access2.IT Group B.V.

BGP Neighbours

(seen in AS paths)

Upstreams (2)

Networks AS205406 hands its own prefixes to: transit providers, or peers at an exchange.

AS208258Access2IT Access2.IT Group B.V18
AS398465Rackdog1

Transfer History

Registry transfers of AS205406 between organisations.

AS205406Transfer · 2018-11-02
Hostio Solutions B.V.
RIPE NCC
→
Access2.IT Group B.V.
RIPE NCC

Date	Resource	From	To	Type
2018-11-02	AS205406	Hostio Solutions B.V. RIPE NCC	Access2.IT Group B.V. RIPE NCC	Transfer

ASPA

Published1 upstream, 1 downstream

Authorized Upstream Providers

AS208258

Expires 2026-10-27

Listed as Upstream Provider by

1 ASN

View full ASPA details →

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
How to run an ASPA checkVerify the upstream providers listed above
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/205406

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

curl -s "https://api.ipctl.io/v1/asn/205406" | jq