View

If you are scraping this block for the prefixes that a AS originates, please use the data dumps in https://bgp.tools/kb/api and cache them

	Prefix	Description
	5.57.16.0/24	Booking.com GB
	5.57.16.0/22	Booking.com
	5.57.17.0/24	Booking.com NL
	5.57.18.0/24	Booking.com
	5.57.19.0/24	Booking.com NL
	5.57.22.0/24	Booking.com GB
	37.10.0.0/24	Booking.com
	37.10.36.0/24	-
	37.10.37.0/24	-
	37.10.38.0/24	-
	37.10.56.0/23	Booking.com BV
	37.10.56.0/24	-
	37.10.57.0/24	-
	37.10.58.0/24	-
	37.10.60.0/23	Booking.com BV
	37.10.61.0/24	Booking.com
	2a01:5040::/36	Booking.com
	2a01:5040::/48	Booking.com
	2a01:5040:20::/48	Booking.com
	2a01:5040:40::/48	Booking.com
	2a01:5041:5::/48	Booking.com
	2a01:5041:9::/48	Booking.com
	2a01:5041:2005::/48	Booking.com
	2a01:5041:2009::/48	Booking.com

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Network Policy

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How are upstreams and downstreams calculated?

Upstreams

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS6762	Telecom Italia Sparkle (Seabone)	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS5511	Orange S.A.	✔	✔
	AS3320	Deutsche Telekom AG	✔	✔

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Peers

	ASN	Description	IPv4	IPv6
	AS1299	Arelion (fka. Telia Carrier)	✔	✔
	AS6939	Hurricane Electric LLC	✔	✔
	AS6461	Zayo Bandwidth	✔	✔
	AS3356	Lumen (Level 3)	✔	✔
	AS6762	Telecom Italia Sparkle (Seabone)	✔	✔
	AS9002	RETN Limited	✔	✔
	AS3320	Deutsche Telekom AG	✔	✔
	AS5511	Orange S.A.	✔	✔
	AS33891	Core-Backbone GmbH	✔	✔
	AS8283	Netwerkvereniging Coloclue	✔	✔
	AS3214	xTom GmbH	✔	✔
	AS13030	Init7 (Switzerland) Ltd.	✔	✔
	AS24940	Hetzner Online GmbH	✔	✔
	AS8218	Zayo Europe	✔	✔
	AS20562	Open Peering (Broadband Hosting B.V.)	✔	✔
	AS8708	DIGI ROMANIA S.A.	✔	✔
	AS30781	Free Pro SAS	✔	✔
	AS47147	Anexia Cloud Solutions GmbH	✔	✔
	AS6667	Elisa Oyj	✔	✔
	AS9136	WOBCOM GmbH	✔	✔
	AS37100	SEACOM Limited	✔	✔
	AS9498	Bharti Airtel Ltd.	✔	✔
	AS37468	Angola Cables	✔	✔
	AS1828	Unitas Global	✔	✔
	AS37271	Workonline Communications(Pty) Ltd	✔	✔
	AS37497	Network Platforms (PTY) LTD	✔	✘
	AS6424	EDGOO NETWORKS	✔	✔
	AS207176	OPENFIBER B.V.	✔	✔
	AS48070	DSM (GB) Limited	✔	✔
	AS42708	Glesys AB	✔	✔
	AS30844	Liquid Intelligent Technologies	✔	✔
	AS50304	Blix Solutions AS	✔	✔
	AS4651	The Communications Authority of Thailand (CAT)	✔	✔
	AS23764	China Telecom Global	✔	✔
	AS20473	The Constant Company, LLC	✔	✔
	AS44901	Belcloud LTD	✔	✘
	AS7713	PT Telkom Indonesia Tbk	✔	✘
	AS2119	Telenor Norge AS	✔	✔
	AS8966	Etisalat (ETC)	✔	✔
	AS786	Jisc Services Limited	✔	✔
	AS1836	green.ch AG	✔	✔
	AS12779	IT.Gate S.p.A.	✔	✔
	AS34177	CELESTE SAS	✔	✔
	AS8426	Claranet Limited	✔	✔
	AS22356	Durand do Brasil Ltda	✔	✔
	AS53062	ALT | GRUPO BRASIL TECPAR	✔	✘
	AS1820	WNET TELECOM USA Corp.	✔	✔
	AS3216	Vimpelcom PJSC	✔	✔
	AS57344	Telehouse EAD	✔	✘
	AS31500	Global Network Management Inc	✔	✔
	AS57304	RETN Russia	✔	✔
	AS50266	Odido Netherlands B.V.	✔	✘
	AS15169	Google LLC	✔	✔
	AS15830	Equinix, Inc.	✔	✔
	AS12731	IPHH Internet Port Hamburg GmbH	✔	✔
	AS9031	EDPNET Belgium BV	✔	✔
	AS8881	1&1 Versatel GmbH	✔	✔
	AS8529	Zain Omantel International FZ-LLC	✔	✘
	AS5413	Wavenet Limited	✔	✔
	AS35320	Eurotranstelecom Ltd	✔	✔
	AS132337	Axclusive	✔	✘
	AS8657	MEO International Backbone	✔	✘
	AS29119	AIRE NETWORKS DEL MEDITERRANEO SL UNIPERSONAL	✔	✘
	AS8551	Bezeq International Ltd.	✔	✘
	AS61423	JMP Technology Services GmbH	✔	✘
	AS4809	China Telecom Next Generation Carrier Network	✔	✘
	AS2854	LLC Orange Business Services	✔	✔
	AS9304	HGC Global Communications Limited	✘	✔
	AS8473	Bahnhof AB	✔	✘
	AS47927	WIFIWEB s.r.l.	✘	✔
	AS20764	CJSC RASCOM	✔	✔
	AS559	SWITCH	✘	✔
	AS12874	Fastweb SpA	✔	✘
	AS9009	M247 Europe SRL	✔	✘
	AS39326	Syntura Group Limited	✔	✔
	AS8447	A1 Telekom Austria AG	✔	✘
	AS12713	Ote SA (Hellenic Telecommunications Organisation)	✔	✘

aut-num:        AS43996
as-name:        Booking-BV
descr:          Booking.com
org:            ORG-BB33-RIPE
import:         from AS174 accept ANY
import:         from AS1299 accept ANY
import:         from AS5511 accept ANY
import:         from AS3320 accept ANY
import:         from AS3356 accept ANY
import:         from AS7473 accept ANY
import:         from AS6461 accept ANY
import:         from AS58453 accept ANY
import:         from AS6762 accept ANY
import:         from AS12956 accept ANY
import:         from AS701 accept ANY
import-via:     AS6777 from AS-ANY accept ANY
export:         to AS174 announce AS43996
export:         to AS1299 announce AS43996
export:         to AS3320 announce AS43996
export:         to AS3356 announce AS43996
export:         to AS6461 announce AS43996
export:         to AS7473 announce AS43996
export:         to AS58453 announce AS43996
export:         to AS6762 announce AS43996
export:         to AS12956 announce AS43996
export:         to AS5511 announce AS43996
export:         to AS701 announce AS43996
export-via:     AS6777 to AS-ANY EXCEPT AS9318 announce AS-BOOKING
admin-c:        DUMY-RIPE
tech-c:         DUMY-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
notify:         internet@booking.com
mnt-by:         BOOKING-MNT
created:        2007-10-31T15:12:12Z
last-modified:  2019-10-07T20:59:34Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************


organisation:   ORG-BB33-RIPE
org-name:       Booking.com BV
country:        NL
org-type:       LIR
address:        Dummy address for ORG-BB33-RIPE
# Email removed, Log into bgp.tools to see whois emails
abuse-c:        BOOK-RIPE
mnt-ref:        RIPE-NCC-HM-MNT
mnt-ref:        BOOKING-MNT
mnt-by:         RIPE-NCC-HM-MNT
mnt-by:         BOOKING-MNT
created:        2012-03-26T14:01:22Z
last-modified:  2023-05-26T10:15:16Z
source:         RIPE
remarks:        ****************************
remarks:        * THIS OBJECT IS MODIFIED
remarks:        * Please note that all data that is generally regarded as personal
remarks:        * data has been removed from this object.
remarks:        * To view the original object, please query the RIPE Database at:
remarks:        * http://www.ripe.net/whois
remarks:        ****************************

Last Update: 2025-12-22T03:24:39Z UTC

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Member of the following AS-SETs

-	Member
RIPE	as-manda-amsix-peers-v6
RIPE	as-manda-ecix-peers-v4
RIPE	as20717:as-decix-mrs-connected
LEVEL3	as-lumen-customers-asns
RADB	as-pacnet-downstream-ph
RADB	as-singtel
RIPE	as31122:as-all-peers
RIPE	as31319:as-ams-ix-filter
RIPE	as6695:as-decix-fra-rs-v6
RIPE	as-titanamsix
APNIC	as58453:as-asiaascust
RIPE	as8821:as-peers
RIPE	as20717:as-decix-mrs-rs
RADB	as-pacnet-downstream-hk
RADB	as-pacnet-downstream-sg
RADB	as58453:as-asiaascust
RIPE	as-manda-decix-peers-v4
RADB	as-anc-customer-proxy-register
RIPE	as-manda-linx-peers-v4
RIPE	as-manda-decix-peers-v6
RIPE	as203462:as-nvc-decix_fra_rs
RIPE	as6777:as-ams-ix-rs-v6
RADB	as-ctbc-customers64
RIPE	as-manda-ecix-peers-v6
RIPE	as6777:as-ams-ix-rs
NTTCOM	as-agoda
RADB	as-vipnetntt
APNIC	as-attap
RADB	as-hkix
RADB	as-prole
RIPE	as29075:as-peers:as-linx
RIPE	as-liquid-amsixpeers
RIPE	as29075:as-peers:as-ams-ix
RIPE	as6695:as-decix-fra-connected
RADB	as-rcn-ce-peers
RIPE	as-manda-amsix-peers-v4
APNIC	as58453:as-asiatest
RADB	as7545:as-tpgn-customers
RIPE	as-green-peers
RIPE	as-booking
RADB	as37271:as-peers
RIPE	as20717:as-decix-mrs-rs-v6
RIPE	as-manda-linx-peers-v6
RIPE	as6695:as-decix-fra-rs
RADB	as-cn2