bgpreport

Network · data from 2026-11-12

AS6881 NIX.CZ, z.s.p.o.

Registry name: NIXCZ NIX.CZ z.s.p.o., CZ · PeeringDB

5IPv4 routes 80.0% RPKI valid · 40.0% with a route object
6IPv6 routes 16.7% RPKI valid · 33.3% with a route object
6RPKI invalid 1 origin · 5 maxLength
0No ROA 7 with no route object for this origin
8Low visibility seen by under 10% of full-table peers
2Route objects not announced registered with origin AS6881, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS6881, 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.
2a02:39::/32 Invalid: origin RIR databaseRIPE 11 2%low visibility 6
91.207.231.0/24 Invalid: maxLength Nonecovered by 91.207.230.0/23 11 2%low visibility 6
2a02:38::4/128 Invalid: maxLength Nonecovered by 2a02:38::/32 1 0%low visibility 1
2a02:38:bbbb::10/128 Invalid: maxLength Nonecovered by 2a02:38::/32 1 0%low visibility 1
2a02:38:ffff::2/128 Invalid: maxLength Nonecovered by 2a02:38::/32 1 0%low visibility 1
2a02:38:ffff::4/128 Invalid: maxLength Nonecovered by 2a02:38::/32 1 0%low visibility 1
93.190.135.253/32 Valid Nonecovered by 93.190.128.0/21 1 0%low visibility 1
195.47.235.100/32 Valid Nonecovered by 195.47.235.0/24 1 0%low visibility 1
93.190.128.0/21 Valid RIR databaseRIPE 673 100% 66
195.47.235.0/24 Valid RIR databaseRIPE 673 100% 66
2a02:38::/32 Valid RIR databaseRIPE 635 100% 69

AS-SET

PeeringDB's irr_as_set for AS6881: RIPE::AS6881:AS-NIX. 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 (AS6881 isn't in the set, or no route object for AS6881 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 objectsAS6881 in itNot covered
RIPE::AS6881:AS-NIX RIPE 7138 Yes 6

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 15 are in fix.csv.

  • ROA: origin1
  • ROA: maxLength5
  • Route object: none7
  • Route object: not announced2
ChangePrefix or setDetailFull-table peers
ROA: origin2a02:39::/32ROAs covering it name AS59747, not AS6881. If AS6881 should announce it, add a ROA for AS6881.11 of 636
ROA: maxLength91.207.231.0/24ROA 91.207.230.0/23 AS6881 has maxLength 23; the route is a /24. Raise the maxLength, or add a ROA for 91.207.231.0/24.11 of 673
Route object: none91.207.231.0/24No route object for it. A route object for 91.207.230.0/23 with origin AS6881 covers it (filters allowing more-specifics accept it). Add a route object with origin AS6881 in the RIR database for the space.11 of 673
ROA: maxLength2a02:38::4/128ROA 2a02:38::/32 AS6881 has maxLength 32; the route is a /128. Raise the maxLength, or add a ROA for 2a02:38::4/128.1 of 636
Route object: none2a02:38::4/128No route object for it. A route object for 2a02:38::/32 with origin AS6881 covers it (too long for filters allowing more-specifics up to /48). Add a route object with origin AS6881 in the RIR database for the space.1 of 636
ROA: maxLength2a02:38:bbbb::10/128ROA 2a02:38::/32 AS6881 has maxLength 32; the route is a /128. Raise the maxLength, or add a ROA for 2a02:38:bbbb::10/128.1 of 636
Route object: none2a02:38:bbbb::10/128No route object for it. A route object for 2a02:38::/32 with origin AS6881 covers it (too long for filters allowing more-specifics up to /48). Add a route object with origin AS6881 in the RIR database for the space.1 of 636
ROA: maxLength2a02:38:ffff::2/128ROA 2a02:38::/32 AS6881 has maxLength 32; the route is a /128. Raise the maxLength, or add a ROA for 2a02:38:ffff::2/128.1 of 636
Route object: none2a02:38:ffff::2/128No route object for it. A route object for 2a02:38::/32 with origin AS6881 covers it (too long for filters allowing more-specifics up to /48). Add a route object with origin AS6881 in the RIR database for the space.1 of 636
ROA: maxLength2a02:38:ffff::4/128ROA 2a02:38::/32 AS6881 has maxLength 32; the route is a /128. Raise the maxLength, or add a ROA for 2a02:38:ffff::4/128.1 of 636
Route object: none2a02:38:ffff::4/128No route object for it. A route object for 2a02:38::/32 with origin AS6881 covers it (too long for filters allowing more-specifics up to /48). Add a route object with origin AS6881 in the RIR database for the space.1 of 636
Route object: none93.190.135.253/32No route object for it. A route object for 93.190.128.0/21 with origin AS6881 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS6881 in the RIR database for the space.1 of 673
Route object: none195.47.235.100/32No route object for it. A route object for 195.47.235.0/24 with origin AS6881 covers it (too long for filters allowing more-specifics up to /24). Add a route object with origin AS6881 in the RIR database for the space.1 of 673

Route objects not announced

Route objects with origin AS6881 whose prefix no peer sees AS6881 announce. Many are kept on purpose (backup routes, space announced only in some places).

91.207.230.0/23RIPEValid
91.207.234.0/23RIPEValid

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.