bgpreport

Network · data from 2026-11-12

AS5610 O2 Czech Republic

Registry name: O2-CZECH-REPUBLIC O2 Czech Republic, a.s., CZ · PeeringDB

67IPv4 routes 97.0% RPKI valid · 97.0% with a route object
5IPv6 routes 80.0% RPKI valid · 100.0% with a route object
0RPKI invalid 0 origin · 0 maxLength
3No ROA 2 with no route object for this origin
0Low visibility seen by under 10% of full-table peers
116Route objects not announced registered with origin AS5610, seen from no peer

Announced routes

Every prefix a peer of the route collectors sees with origin AS5610, 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.

185.143.112.0/22 No ROA RIR databaseRIPE 671 100% 67
194.165.47.0/24 No ROA RIR databaseRIPE 671 100% 67
2001:67c:dd4::/48 No ROA RIR databaseRIPE 635 100% 67
193.84.12.0/23 Valid Nonecovered by 193.84.12.0/22 671 100% 67
193.84.14.0/23 Valid Nonecovered by 193.84.12.0/22 671 100% 67
37.188.128.0/17 Valid RIR databaseRIPE 673 100% 67
80.188.0.0/16 Valid RIR databaseRIPE 673 100% 67
80.188.0.0/17 Valid RIR databaseRADB, RIPE 673 100% 67
80.188.128.0/17 Valid RIR databaseRADB, RIPE 673 100% 67
81.90.160.0/20 Valid RIR databaseRIPE 673 100% 67
81.90.168.0/21 Valid RIR databaseRIPE 673 100% 67
83.69.32.0/19 Valid RIR databaseRIPE 673 100% 67
83.208.0.0/16 Valid RIR databaseRIPE 673 100% 67
83.208.0.0/18 Valid RIR databaseRADB, RIPE 673 100% 67
83.208.64.0/18 Valid RIR databaseRIPE 673 100% 67
83.208.128.0/19 Valid RIR databaseRIPE 673 100% 67
85.70.0.0/15 Valid RIR databaseRIPE 673 100% 67
85.70.0.0/16 Valid RIR databaseRIPE 673 100% 67
85.70.0.0/17 Valid RIR databaseRADB, RIPE 673 100% 67
85.70.128.0/17 Valid RIR databaseRADB, RIPE 673 100% 67
85.71.0.0/16 Valid RIR databaseRIPE 673 100% 67
85.71.224.0/19 Valid RIR databaseRIPE 673 100% 67
85.160.0.0/15 Valid RIR databaseRIPE 673 100% 67
85.193.0.0/18 Valid RIR databaseRIPE 673 100% 67
88.83.160.0/19 Valid RIR databaseRIPE 673 100% 67
88.100.0.0/14 Valid RIR databaseRIPE 673 100% 67
88.100.0.0/15 Valid RIR databaseRIPE 673 100% 67
88.102.0.0/16 Valid RIR databaseRIPE 673 100% 67
90.176.32.0/19 Valid RIR databaseRIPE 673 100% 67
90.176.64.0/18 Valid RIR databaseRIPE 673 100% 67
90.176.128.0/17 Valid RIR databaseRIPE 673 100% 67
90.177.0.0/16 Valid RIR databaseRIPE 673 100% 67
90.178.0.0/15 Valid RIR databaseRIPE 673 100% 67
90.180.0.0/14 Valid RIR databaseRIPE 673 100% 67
90.181.0.0/16 Valid RIR databaseRIPE 673 100% 67
90.182.0.0/16 Valid RIR databaseRIPE 673 100% 67
90.183.0.0/16 Valid RIR databaseRIPE 673 100% 67
91.191.64.0/18 Valid RIR databaseRIPE 673 100% 67
92.243.192.0/19 Valid RIR databaseRIPE 673 100% 67
109.80.0.0/15 Valid RIR databaseRIPE 673 100% 67
109.81.112.0/20 Valid RIR databaseRIPE 673 100% 67
109.81.160.0/20 Valid RIR databaseRIPE 673 100% 67
160.218.0.0/16 Valid RIR databaseRIPE 673 100% 67
194.228.0.0/16 Valid RIR databaseRIPE 673 100% 67
194.228.0.0/17 Valid RIR databaseRIPE 673 100% 67
217.117.208.0/20 Valid RIR databaseRIPE 673 100% 67
217.194.160.0/20 Valid RIR databaseRIPE 673 100% 67
83.208.220.0/22 Valid RIR databaseRIPE 671 100% 67
88.83.175.0/24 Valid RIR databaseRIPE 671 100% 67
90.176.170.0/24 Valid RIR databaseRIPE 671 100% 67
90.182.108.0/24 Valid RIR databaseRIPE 671 100% 67
91.193.132.0/22 Valid RIR databaseRIPE 671 100% 67
91.213.10.0/24 Valid RIR databaseRIPE 671 100% 67
91.232.82.0/24 Valid RIR databaseRIPE 671 100% 67
185.61.228.0/22 Valid RIR databaseRIPE 671 100% 67
193.17.13.0/24 Valid RIR databaseRIPE 671 100% 67
193.84.12.0/22 Valid RIR databaseRIPE 671 100% 67
194.228.72.0/22 Valid RIR databaseRIPE 671 100% 67
5.23.39.0/24 Valid RIR databaseRIPE 670 100% 67
80.188.40.0/24 Valid RIR databaseRIPE 670 100% 67
80.188.222.0/24 Valid RIR databaseRIPE 670 100% 67
81.90.168.0/24 Valid RIR databaseRIPE 670 100% 67
81.90.170.0/24 Valid RIR databaseRIPE 670 100% 67
81.90.173.0/24 Valid RIR databaseRIPE 670 100% 67
161.195.144.0/24 Valid RIR databaseARIN 670 100% 67
194.50.248.0/23 Valid RIR databaseRIPE 670 100% 67
194.228.128.0/17 Valid RIR databaseRIPE 670 100% 67
195.5.186.0/24 Valid RIR databaseRIPE 670 100% 67
2001:41d8::/32 Valid RIR databaseRIPE 635 100% 67
2a00:1028::/32 Valid RIR databaseRIPE 635 100% 67
2a00:1028::/29 Valid RIR databaseRIPE 634 100% 67
2a02:9b8::/31 Valid RIR databaseRIPE 634 100% 67

AS-SET

PeeringDB's irr_as_set for AS5610: RIPE::AS-CTIOL. 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 (AS5610 isn't in the set, or no route object for AS5610 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 objectsAS5610 in itNot covered
RIPE::AS-CTIOL RIPElists itself further down 228271,908 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 121 are in fix.csv.

  • ROA: none3
  • Route object: none2
  • Route object: not announced116
ChangePrefix or setDetailFull-table peers
ROA: none185.143.112.0/22No ROA covers it. Add a ROA for AS5610, maxLength 22.671 of 673
ROA: none194.165.47.0/24No ROA covers it. Add a ROA for AS5610, maxLength 24.671 of 673
ROA: none2001:67c:dd4::/48No ROA covers it. Add a ROA for AS5610, maxLength 48.635 of 636
Route object: none193.84.12.0/23No route object for it. A route object for 193.84.12.0/22 with origin AS5610 covers it (filters allowing more-specifics accept it). Add a route object with origin AS5610 in the RIR database for the space.671 of 673
Route object: none193.84.14.0/23No route object for it. A route object for 193.84.12.0/22 with origin AS5610 covers it (filters allowing more-specifics accept it). Add a route object with origin AS5610 in the RIR database for the space.671 of 673

Route objects not announced

Route objects with origin AS5610 whose prefix no peer sees AS5610 announce. Many are kept on purpose (backup routes, space announced only in some places).

37.188.128.0/21RIPEValid
37.188.136.0/21RIPEValid
37.188.144.0/20RIPEValid
37.188.144.0/21RIPEValid
37.188.152.0/21RIPEValid
37.188.160.0/20RIPEValid
37.188.160.0/21RIPEValid
37.188.168.0/21RIPEValid
37.188.176.0/20RIPEValid
37.188.176.0/21RIPEValid
37.188.184.0/21RIPEValid
37.188.192.0/23RIPEValid
37.188.194.0/23RIPEValid
37.188.224.0/21RIPEValid
37.188.232.0/21RIPEValid
37.188.240.0/20RIPEValid
37.188.240.0/21RIPEValid
37.188.248.0/21RIPEValid
80.188.51.0/24RIPEInvalid: maxLength
80.188.53.0/24RIPEInvalid: maxLength
80.188.120.0/24RIPEValid
80.188.131.0/24RIPEValid
80.188.165.0/24RIPEValid
80.188.170.0/24RIPEValid
80.188.200.0/24RIPEValid
80.188.202.0/24RIPEValid
80.188.225.0/24RIPEValid
85.71.240.0/20RIPEInvalid: maxLength
88.102.0.0/15RIPEValid
88.103.192.0/18RIPEInvalid: maxLength
88.103.218.0/24RIPEValid
90.181.128.0/17RIPEInvalid: maxLength
90.181.227.0/24RIPEInvalid: maxLength
90.181.228.0/24RIPEInvalid: maxLength
90.182.0.0/15RIPEInvalid: maxLength
90.182.87.0/24RIPEInvalid: maxLength
90.182.109.0/24RIPEValid
90.182.110.0/24RIPEValid
90.182.134.0/24RIPEValid
90.182.138.0/24RIPEInvalid: maxLength
90.182.146.0/24RIPEValid
90.182.161.0/24RIPEValid
90.182.220.0/24RIPEInvalid: maxLength
90.182.221.0/24RIPEValid
90.183.38.0/24RIPEInvalid: maxLength
90.183.57.0/24RIPEValid
90.183.108.0/24RIPEValid
90.183.151.0/24RIPEInvalid: maxLength
91.191.64.0/19RIPEInvalid: maxLength
109.80.208.0/22RIPEInvalid: maxLength
109.80.212.0/22RIPEInvalid: maxLength
109.81.208.0/24RIPEValid
109.81.209.0/24RIPEValid
109.81.210.0/24RIPEValid
109.81.211.0/24RIPEValid
109.81.212.0/24RIPEValid
109.81.213.0/24RIPEValid
109.81.214.0/24RIPEValid
109.81.215.0/24RIPEValid
109.81.224.0/19RIPEInvalid: maxLength
160.218.96.0/21RIPEInvalid: maxLength
160.218.104.0/21RIPEInvalid: maxLength
160.218.176.0/21RIPEInvalid: maxLength
160.218.184.0/21RIPEInvalid: maxLength
160.218.212.0/22RIPEInvalid: maxLength
160.218.244.0/22RIPEInvalid: maxLength
171.25.176.0/24RIPENo ROA
193.245.32.0/21RIPENo ROA
193.245.32.0/24RIPENo ROA
193.245.33.0/24RIPENo ROA
193.245.34.0/24RIPENo ROA
193.245.35.0/24RIPENo ROA
193.245.36.0/24RIPENo ROA
193.245.37.0/24RIPENo ROA
193.245.38.0/24RIPENo ROA
193.245.39.0/24RIPENo ROA
194.228.8.0/23RIPEInvalid: maxLength
194.228.10.0/24RIPEInvalid: maxLength
194.228.11.0/24RIPEValid
194.228.12.0/24RIPEInvalid: maxLength
194.228.13.0/24RIPEValid
194.228.14.0/23RIPEInvalid: maxLength
194.228.16.0/22RIPEInvalid: maxLength
194.228.20.0/24RIPEValid
194.228.22.0/23RIPEInvalid: maxLength
194.228.24.0/21RIPEInvalid: maxLength
194.228.32.0/24RIPEValid
194.228.33.0/24RIPEInvalid: maxLength
194.228.34.0/23RIPEInvalid: maxLength
194.228.36.0/22RIPEInvalid: maxLength
194.228.40.0/21RIPEInvalid: maxLength
194.228.52.0/22RIPEInvalid: maxLength
194.228.56.0/23RIPEInvalid: maxLength
194.228.58.0/24RIPEInvalid: maxLength
194.228.59.0/24RIPEValid
194.228.60.0/22RIPEInvalid: maxLength
194.228.64.0/22RIPEInvalid: maxLength
194.228.65.0/24RIPEInvalid: maxLength
194.228.68.0/24RIPEValid
194.228.69.0/24RIPEInvalid: maxLength
194.228.70.0/23RIPEInvalid: maxLength
194.228.76.0/24RIPEValid
194.228.77.0/24RIPEInvalid: maxLength
194.228.78.0/24RIPEInvalid: maxLength
194.228.79.0/24RIPEValid
194.228.80.0/20RIPEInvalid: maxLength
194.228.96.0/19RIPEInvalid: maxLength
194.228.135.0/24RIPEInvalid: maxLength
194.228.163.0/24RIPEInvalid: maxLength
194.228.168.0/21RIPEInvalid: maxLength
194.228.176.0/20RIPEInvalid: maxLength
194.228.192.0/18RIPEInvalid: maxLength
194.228.199.0/24RIPEInvalid: maxLength
2a02:9b8::/32RIPEInvalid: maxLength
2a02:9b9::/32RIPEInvalid: maxLength
2a0d:7a00:4201:b000::/52RIPENo ROA

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.