asn.dev

Autonomous system

AS43996 BOOKING-BV Booking.com

Hosting RIPE

IPv4 addresses 3.33K 8 prefixes
IPv6 prefixes 26 counted as prefixes, not addresses
Countries 1 mostly NL
Exchanges 9 recorded by PCH
Upstreams 17 0 downstream
Flagged prefixes 0 none

Summary

Booking.com

Netherlands · AI-generated

business corporate web netherlands

BOOKING-BV is the autonomous system for Booking.com BV.

What it's used for

  • The address space is registered under netnames NET-BOOKING-001 and NL-BOOKINGS-20111215, with registrants listed as Booking.com Internet and Booking.com BV.
  • The AS announces 3328 IPv4 addresses across 8 prefixes and 26 IPv6 prefixes, while maintaining 47 observed neighbours.
  • As a global online travel agency, this infrastructure supports the web and mobile applications used for booking accommodation, flights, and car rentals.

Notable

  • Registrants Booking.com Internet and Booking.com BV align directly with the AS holder Booking.com BV.
  • The inventory consists of a small number of IPv4 prefixes, including a /22 and several /24s, alongside a finely subdivided IPv6 estate under the 2a01:5040::/44 block.

This description is AI-generated, best-effort context — not authoritative, and provided without any guarantee of accuracy. Source, and how to suggest an edit.

Interconnection

Peering at a glance

Full topology · Graph

Internet exchanges

Recorded at 9 exchanges in 7 countries, largest first.

ExchangeLocationTheir address
DE-CIX FrankfurtFrankfurt, Germany80.81.193.178
LINX LON1London, United Kingdom195.66.224.253
AMS-IX AmsterdamAmsterdam, Netherlands80.249.210.198
Neutral Internet ExchangeAmsterdam, Netherlands193.239.117.70
Equinix Internet Exchange SingaporeSingapore, Singapore27.111.228.223
Equinix Internet Exchange AshburnAshburn, United States206.126.237.41
Hong Kong Internet ExchangeHong Kong, China2001:7fa:0:1::ca28:a05e
Megaport Frankfurt IXFrankfurt, Germany62.69.146.66

All 9 exchanges →

Transit providers

17 upstream, 0 downstream and 26 adjacent networks observed; most-used upstreams first.

ASNetworkPaths seen
AS6461Zayo Bandwidth219
AS3356Level 3 Parent, LLC203
AS6939Hurricane Electric LLC179
AS3320Deutsche Telekom AG139
AS6762TELECOM ITALIA SPARKLE S.p.A.122
AS9002RETN Limited69
AS1836green.ch AG19
AS33891Core-Backbone GmbH17

All 17 upstreams →

Exchange presence is recorded rather than inferred: the directory collected by Packet Clearing House (https://www.pch.net/ixp/data) on 2026-10-11, licensed CC BY-NC-SA 3.0. Transit is inferred from observed BGP paths, never declared by either party.

Address space

Summary

Shape and geography

IPv4 8 prefixes · 3.33K addresses IPv6 26 prefixes

CountryNamePrefixes
NLNetherlands34

Registry

Allocation record

RIPE · via Atlas (registry + RDAP)
Registry
RIPE
Handle
AS43996
Registry name
Booking-BV
Registrant
BOOKING-MNT
Abuse contact
internet@booking.com
Registered
2007-10-31
Last changed
2019-10-07
Allocation
allocated

Routing security

RPKI and IRR

Full detail
RPKI
100% valid · 21 valid, 0 with no ROA
ROAs
80 authorising AS43996
ASPA
no ASPA record
IRR
100% registered · 21 of 21 announcements
Route objects
82 naming AS43996

Reputation

Classification and threat

Hosting Datacenter or cloud provider. Addresses are servers, not people.

Spamhaus DROP

Not on ASN-DROP The network as a whole is not listed.

No DROP prefixes None of its announced space is on the DROP prefix list.

Spamhaus DROP ("Don't Route Or Peer") lists space and networks run by, or hijacked for, spam and cybercrime operations: 432 networks and 1,768 prefixes, as published 2026-10-12. A short, high-confidence list, so a match is worth taking seriously, and absence from it says little on its own.

FBI IC3

No IC3 indicators Nothing from the FBI IC3 feed.

IC3 threat data is alpha. Absence of an indicator is not evidence of good behaviour, only of absence from this one feed.

Elsewhere

Cross-check