Home ASN LookupAS1136

AS1136 KPN KPN B.V.

🇳🇱

Org handle: ORG-KOVN1-RIPE

KPN National

RIPE NCCallocated

Announced Prefixes (BGP)

445total

429 IPv416 IPv6

IPv4 Addresses

Allocated (RIR)6.1M

Announced (BGP)7.4M

IPv6 Addresses

Allocated (RIR)1×10³¹

Announced (BGP)1×10³¹

Prefix Limit (IPv4)

10,000

Prefix Limit (IPv6)

Country

🇳🇱 NL

RIR

RIPE NCC

Status

allocated

Allocated

1993-09-01

Listed on the threat map (2026-10-11)

#5 in the Netherlands (14 flagged networks located there)

Large hosting providers appear because attackers rent their servers, not necessarily because of the operator.

Announced Prefixes

(BGP)445

Prefix	RPKI	IRR	Last Seen
31.149.0.0/16	Valid	RIPE	2026-10-11
31.160.0.0/15	Valid	RIPE	2026-10-11
37.74.0.0/16	Valid	RIPE	2026-10-11
37.251.0.0/17	Valid	RIPE	2026-10-11
46.144.0.0/15	Valid	RIPE	2026-10-11
46.227.232.0/21	Valid	RIPE	2026-10-11
46.231.40.0/21	Valid	RIPE	2026-10-11
46.243.40.0/21	Valid	RIPE	2026-10-11
62.12.0.0/19	Valid	RIPE	2026-10-11
62.21.128.0/17	Valid	RIPE	2026-10-11

1-10 of 445

1 / 45

Allocated Prefixes

(RIR)359

Prefix	Country	RIR	Status
31.149.0.0/16	🇳🇱 NL	RIPENCC	allocated
31.160.0.0/15	🇳🇱 NL	RIPENCC	allocated
37.74.0.0/16	🇳🇱 NL	RIPENCC	allocated
37.251.0.0/17	🇳🇱 NL	RIPENCC	allocated
46.144.0.0/15	🇳🇱 NL	RIPENCC	allocated
46.227.232.0/21	🇳🇱 NL	RIPENCC	allocated
46.231.40.0/21	🇳🇱 NL	RIPENCC	allocated
46.243.40.0/21	🇳🇱 NL	RIPENCC	allocated
62.12.0.0/19	🇳🇱 NL	RIPENCC	allocated
62.21.128.0/17	🇳🇱 NL	RIPENCC	allocated

1-10 of 359

1 / 36

All 445 announced prefixes of AS1136 →

BGP Neighbours

(seen in AS paths)

Upstreams (4)

Networks AS1136 hands its own prefixes to: transit providers, or peers at an exchange.

AS6830LibertyGlobal Liberty Global Europe Holding B.V426
AS2914NTT America15
AS24482SGGS AP SG.GS3
AS6204ZET NET INTERKVM HOST1

Downstreams (20)

Networks whose own prefixes AS1136 passes on: usually its customers.

AS48037SSO ICT SSC ICT Haaglanden52
AS28685ASN ROUTIT BV34
AS21286KPN Corporate Market KPN B.V28
AS8737PT KPN B.V17
AS15879KPN INTERNEDSERVICES Vancis IP B.V15
AS206516PRORAIL BV ProRail B.V8
AS42894MinVenW RWS Ministerie Van Verkeer En Waterstaat/Rijkswaterstaat6
AS12414NL SOLCON Internetdiensten B.V5
AS201644BW AS01 Brabant Water N.V4
AS8694RET Rotterdamse Electrische Tram N.V3
AS2043CIS NET KPN B.V2
AS13266PoR NET Havenbedrijf Rotterdam N.V1
AS22764Fluor Enterprises1
AS57744SMC Security Monitoring Centre B.V1
AS59599NCCW B.V1
AS60719CZGROEP Onderlinge Waarborgmaatschappij CZ Groep U.A1
AS61357Ahold Koninklijke Ahold Delhaize N.V1
AS206200Zuyderland Stichting Zuyderland Medisch Centrum1
AS212151GEM DEN HELDER Gemeente Den Helder1
AS212157LOGIUS AZ 1 Baten Lastendienst Logius1

Other adjacent networks (5)

Adjacent to AS1136 in the transit part of AS paths: peers, providers or customers.

AS37468ANGOLA CABLES9
AS3320DTAG Deutsche Telekom3
AS3333RIPE NCC Reseaux IP Europeens Network Coordination Centre (RIPE NCC)2
AS6939Hurricane Electric1
AS33891CORE BACKBONE Core Backbone1

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 AS1136 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/1136

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

curl -s "https://api.ipctl.io/v1/asn/1136" | jq