Network · data from 2026-11-12
AS43996 Booking.com
Registry name: Booking-BV Booking.com BV, NL · PeeringDB
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% |
| 37.10.37.0/24 | Valid | RIR databaseRIPE | 672 100% |
| 5.57.16.0/22 | Valid | RIR databaseRIPE | 671 100% |
| 5.57.16.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 5.57.17.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 5.57.18.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 5.57.19.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 5.57.22.0/24 | Valid | RIR databaseRIPE | 671 100% |
| 37.10.60.0/23 | Valid | RIR databaseRIPE | 671 100% |
| 37.10.0.0/24 | Valid | RIR databaseRIPE | 670 100% |
| 37.10.56.0/23 | Valid | RIR databaseRIPE | 669 99% |
| 37.10.38.0/24 | Valid | RIR databaseRIPE | 668 99% |
| 37.10.56.0/24 | Valid | RIR databaseRIPE | 668 99% |
| 37.10.57.0/24 | Valid | RIR databaseRIPE | 668 99% |
| 2a01:5040::/36 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5040::/48 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5040:12::/48 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5040:20::/48 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5040:40::/48 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5041:2005::/48 | Valid | RIR databaseRIPE | 635 100% |
| 2a01:5041:2009::/48 | Valid | RIR databaseRIPE | 635 100% |
| 37.10.36.0/24 | Valid | RIR databaseRIPE | 2 0%low visibility |
| 37.10.58.0/24 | Valid | RIR databaseNTTCOM, RADB, RIPE | 2 0%low visibility |
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.
| Name | Database | ASNs | Sets | AS43996 in it | Not covered |
|---|---|---|---|---|---|
| AS-BOOKING | RIPE | 2 | 1 | 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).
| 5.57.23.0/24 | RIPE | Valid |
| 37.10.0.0/23 | RIPE | No ROA |
| 37.10.4.0/22 | RADB, RIPE | Valid |
| 37.10.4.0/24 | RADB, RIPE | Valid |
| 37.10.5.0/24 | RADB, RIPE | Valid |
| 37.10.6.0/24 | RADB, RIPE | Valid |
| 37.10.7.0/24 | RADB, RIPE | Valid |
| 37.10.8.0/24 | RIPE | Invalid: origin |
| 37.10.26.0/24 | NTTCOM, RADB | Valid |
| 37.10.32.0/24 | RADB, RIPE | Valid |
| 37.10.33.0/24 | RIPE | Valid |
| 37.10.34.0/24 | RIPE | Valid |
| 37.10.35.0/24 | RIPE | Valid |
| 37.10.60.0/24 | RIPE | Valid |
| 37.10.61.0/24 | RIPE | Valid |
| 37.10.63.0/24 | RADB, RIPE | Valid |
| 91.195.236.0/24 | RIPE | Valid |
| 91.206.232.0/23 | RIPE | Valid |
| 91.206.232.0/24 | RIPE | Valid |
| 91.206.233.0/24 | RIPE | Valid |
| 185.28.220.0/23 | RADB, RIPE | Valid |
| 185.28.220.0/24 | NTTCOM, RADB, RIPE | Valid |
| 185.28.221.0/24 | RADB, RIPE | Valid |
| 185.28.222.0/24 | RIPE | Valid |
| 185.28.223.0/24 | RIPE | Valid |
| 2a01:5040:1000::/36 | RADB, RIPE | Valid |
| 2a01:5040:1000::/48 | RADB, RIPE | Valid |
| 2a01:5040:1020::/48 | RIPE | Valid |
| 2a01:5040:2000::/36 | RIPE | Valid |
| 2a01:5040:2000::/48 | RIPE | Valid |
| 2a01:5040:2020::/48 | RIPE | Valid |
| 2a01:5040:6000::/36 | RIPE | Valid |
| 2a01:5040:6000::/48 | RIPE | Invalid: maxLength |
| 2a01:5040:a000::/48 | RADB, RIPE | Valid |
| 2a01:5040:a100::/48 | RADB, RIPE | Valid |
| 2a01:5041:5::/48 | RIPE | Valid |
| 2a01:5041:9::/48 | RIPE | Valid |
| 2a01:5041:d::/48 | RIPE | Valid |
| 2a01:5041:13::/48 | RIPE | Valid |
| 2a01:5041:200d::/48 | RIPE | Valid |
| 2a01:5041:2013::/48 | RIPE | Valid |
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.