bgpreport

Network · data from 2026-11-12

AS43996 Booking.com

Registry name: Booking-BV Booking.com BV, NL · PeeringDB

16IPv4 routes 100.0% RPKI valid · 100.0% with a route object
7IPv6 routes 100.0% RPKI valid · 100.0% with a route object
0RPKI invalid 0 origin · 0 maxLength
0No ROA 0 with no route object for this origin
2Low visibility seen by under 10% of full-table peers
41Route objects not announced registered with origin AS43996, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS43996, things to look at first. Visibility = full-table peers that see it, of 673 (IPv4) and 636 (IPv6) on 75 collectors. Also as routes.csv.

37.10.13.0/24 Valid RIR databaseRIPE 672 100% 67
37.10.37.0/24 Valid RIR databaseRIPE 672 100% 67
5.57.16.0/22 Valid RIR databaseRIPE 671 100% 67
5.57.16.0/24 Valid RIR databaseRIPE 671 100% 67
5.57.17.0/24 Valid RIR databaseRIPE 671 100% 67
5.57.18.0/24 Valid RIR databaseRIPE 671 100% 67
5.57.19.0/24 Valid RIR databaseRIPE 671 100% 67
5.57.22.0/24 Valid RIR databaseRIPE 671 100% 67
37.10.60.0/23 Valid RIR databaseRIPE 671 100% 67
37.10.0.0/24 Valid RIR databaseRIPE 670 100% 67
37.10.56.0/23 Valid RIR databaseRIPE 669 99% 67
37.10.38.0/24 Valid RIR databaseRIPE 668 99% 67
37.10.56.0/24 Valid RIR databaseRIPE 668 99% 67
37.10.57.0/24 Valid RIR databaseRIPE 668 99% 67
2a01:5040::/36 Valid RIR databaseRIPE 635 100% 68
2a01:5040::/48 Valid RIR databaseRIPE 635 100% 68
2a01:5040:12::/48 Valid RIR databaseRIPE 635 100% 68
2a01:5040:20::/48 Valid RIR databaseRIPE 635 100% 68
2a01:5040:40::/48 Valid RIR databaseRIPE 635 100% 68
2a01:5041:2005::/48 Valid RIR databaseRIPE 635 100% 67
2a01:5041:2009::/48 Valid RIR databaseRIPE 635 100% 67
37.10.36.0/24 Valid RIR databaseRIPE 2 0%low visibility 3
37.10.58.0/24 Valid RIR databaseNTTCOM, RADB, RIPE 2 0%low visibility 2

AS-SET

PeeringDB's irr_as_set for AS43996: AS-BOOKING. Expanded from the day's IRR dumps the way bgpq4 does against whois.radb.net: a name with a database is read from that database only, one without from the first database in RADB's order. "Not covered" = this network's own routes that a filter built from the set would leave out (AS43996 isn't in the set, or no route object for AS43996 covers the route; more-specifics of a route object are accepted down to /24 and /48, as with bgpq4 -A -R 24 / -R 48). Customers' routes aren't counted: the collectors show each route's origin, not which network it came through.

NameDatabaseASNsSets Route objectsAS43996 in itNot covered
AS-BOOKING RIPE 21191 Yes 0

Fix list

The changes that would bring RPKI, the IRR and what's announced into line. Some are deliberate (a route object kept for a backup route, say); the network decides. All 41 are in fix.csv.

  • Route object: not announced41

Route objects not announced

Route objects with origin AS43996 whose prefix no peer sees AS43996 announce. Many are kept on purpose (backup routes, space announced only in some places).

5.57.23.0/24RIPEValid
37.10.0.0/23RIPENo ROA
37.10.4.0/22RADB, RIPEValid
37.10.4.0/24RADB, RIPEValid
37.10.5.0/24RADB, RIPEValid
37.10.6.0/24RADB, RIPEValid
37.10.7.0/24RADB, RIPEValid
37.10.8.0/24RIPEInvalid: origin
37.10.26.0/24NTTCOM, RADBValid
37.10.32.0/24RADB, RIPEValid
37.10.33.0/24RIPEValid
37.10.34.0/24RIPEValid
37.10.35.0/24RIPEValid
37.10.60.0/24RIPEValid
37.10.61.0/24RIPEValid
37.10.63.0/24RADB, RIPEValid
91.195.236.0/24RIPEValid
91.206.232.0/23RIPEValid
91.206.232.0/24RIPEValid
91.206.233.0/24RIPEValid
185.28.220.0/23RADB, RIPEValid
185.28.220.0/24NTTCOM, RADB, RIPEValid
185.28.221.0/24RADB, RIPEValid
185.28.222.0/24RIPEValid
185.28.223.0/24RIPEValid
2a01:5040:1000::/36RADB, RIPEValid
2a01:5040:1000::/48RADB, RIPEValid
2a01:5040:1020::/48RIPEValid
2a01:5040:2000::/36RIPEValid
2a01:5040:2000::/48RIPEValid
2a01:5040:2020::/48RIPEValid
2a01:5040:6000::/36RIPEValid
2a01:5040:6000::/48RIPEInvalid: maxLength
2a01:5040:a000::/48RADB, RIPEValid
2a01:5040:a100::/48RADB, RIPEValid
2a01:5041:5::/48RIPEValid
2a01:5041:9::/48RIPEValid
2a01:5041:d::/48RIPEValid
2a01:5041:13::/48RIPEValid
2a01:5041:200d::/48RIPEValid
2a01:5041:2013::/48RIPEValid

Routes: the 08:00 UTC snapshots of 2026-11-12 from 75 RIPE RIS and RouteViews collectors. RPKI: our rpki-client run before the snapshot. IRR: the day's dumps of the five RIR databases and RADB's mirrors. The LEVEL3 and IDNIC databases publish no dump and aren't read, so route objects only there count as none.