Autonomous system profile

Review registration details, announced prefixes, network relationships and historical snapshots.

AS43996

Announcement observedRIPE NCC

Booking.com BV · Booking-BV

This profile is assembled from CHA.LA's normalized registration, routing and observation snapshots.

Last active10/3/2026, 20:08:58Snapshot expired

View network topology RDAP registration

ASN: AS43996
Registration country: Netherlands
Name: Booking.com BV
Abbreviation: Booking-BV
Registration date: 10/31/2007, 15:12:12
Status: Announcement observed
RIR: RIPE NCC

Network relationships and announced prefixes

ASN / prefix	Description / organization	Geographic scope	First seen	Last active	IPv4	IPv6	Status
37.10.0.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.13.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.37.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.38.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.56.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.56.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.57.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
37.10.60.0/23BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.16.0/22BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.16.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.17.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.18.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.19.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid
5.57.22.0/24BGP · IPv4	Announced prefixBGP route observation	Not applicable · BGP prefix	9/19/2026, 16:00:00	10/3/2026, 16:00:00	✓	×	Currently valid

BGP prefixes have no geographic country; the column is marked not applicable.

Registration and sources

Organization: Booking.com BV
RIR: RIPE NCC
Registration country: Netherlands
Registration date: 10/31/2007, 15:12:12
Abuse contact: internet@booking.com

Snapshot trend

10/3/2026, 20:08:5814 v47 v637 Upstream · 13 Uncertain

ASN route snapshotThis page reads collected ASN, prefix, relationship and history data. External interfaces are used for initial collection and scheduled refreshes.Source keys: cha-la-external-routing · iana-rdap-asn-bootstrap · rir-rdap-asn