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Network · data from 2026-11-12

AS208820 DEPARTEMENT DE LA SEINE-SAINT-DENIS

Registry name: DEPARTEMENT-SEINE-SAINT-DENIS DEPARTEMENT DE LA SEINE-SAINT-DENIS, FR · PeeringDB

5IPv4 routes 100.0% RPKI valid · 20.0% with a route object
0IPv6 routes
0RPKI invalid 0 origin · 0 maxLength
0No ROA 4 with no route object for this origin
0Low visibility seen by under 10% of full-table peers
0Route objects not announced registered with origin AS208820, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS208820, 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.
185.243.156.0/24 Valid Nonecovered by 185.243.156.0/22 673 100% 66
185.243.157.0/24 Valid Nonecovered by 185.243.156.0/22 673 100% 66
185.243.158.0/24 Valid Nonecovered by 185.243.156.0/22 673 100% 66
185.243.159.0/24 Valid Nonecovered by 185.243.156.0/22 673 100% 66
185.243.156.0/22 Valid RIR databaseRIPE 673 100% 66

AS-SET

AS208820's PeeringDB record names no AS-SET.

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 4 are in fix.csv.

  • Route object: none4
ChangePrefix or setDetailFull-table peers
Route object: none185.243.156.0/24No route object for it. A route object for 185.243.156.0/22 with origin AS208820 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208820 in the RIR database for the space.673 of 673
Route object: none185.243.157.0/24No route object for it. A route object for 185.243.156.0/22 with origin AS208820 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208820 in the RIR database for the space.673 of 673
Route object: none185.243.158.0/24No route object for it. A route object for 185.243.156.0/22 with origin AS208820 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208820 in the RIR database for the space.673 of 673
Route object: none185.243.159.0/24No route object for it. A route object for 185.243.156.0/22 with origin AS208820 covers it (filters allowing more-specifics accept it). Add a route object with origin AS208820 in the RIR database for the space.673 of 673

Route objects not announced

Every route object with origin AS208820 is announced.

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.