AS199803 ComSource s.r.o.
IPv4 addresses
1,536
IPv6 /48 networks
65,536
RPKI
3 valid0 no ROA
Peers and downstreams
34
Holder
- AS name
- ComSource
- Description
- ComSource s.r.o.
- Organisation
- ComSource s.r.o.
- Abuse contact
- hostmaster@comsource.cz
- Assigned
- 2014-01-20
- Registered
- 2014-01-21
- Record last changed
- 2022-07-27 10:45 UTC
| AS5610 | O2 Czech Republic, a.s. O2-CZECH-REPUBLIC |
| AS8778 | Slovanet a.s. SLOVANET |
| AS25234 | ACTIVE 24, s.r.o. ACTIVE24-AS |
| AS29405 | VNET a.s. VNET-AS |
| AS35236 | UVT Internet s.r.o. AS35236 |
| AS35592 | Coolhousing s.r.o. COOLHOUSING-AS |
| AS39790 | Web4U s.r.o. WEB4U |
| AS51013 | WebSupport s.r.o. WEBSUPPORT-SRO-SK-AS |
| AS205233 | KBC GLOBAL SERVICES NV AS_KBCGROUP_CSOBCZ |
| AS206142 | Internet TV, Inc. InternetTV |
| AS206591 | Alza.cz a.s. ALZACZ-AS |
| AS1764 | Next Layer Telekommunikationsdienstleistungs- und Beratungs GmbH NEXTLAYER-AS |
| AS4455 | IX Reach Ltd BSO |
| AS6204 | TMRC GROUP SRL ZET-NET |
| AS6663 | Euroweb Romania S.R.L. TTI-NET |
| AS6881 | NIX.CZ z.s.p.o. NIXCZ |
| AS8218 | Zayo Infrastructure France SA NEO-ASN |
| AS14840 | BR.Digital Telecom AS14840 |
| AS21215 | UNITED GROUP NETWORK INFRASTRUCTURE d.o.o. Beograd UGNI |
| AS22356 | Durand do Brasil Ltda AS22356 |
| AS24482 | SG.GS SGGS-AS-AP |
| AS29504 | Freenet Liberec, z.s. LBCFREE |
| AS36236 | NetActuate, Inc NETACTUATE |
| AS39120 | Convergenze S.p.A. CONVERGENZE-AS |
| AS40994 | Hohl IT e.U. Alwyzon |
| AS44306 | OMONIA d.o.o. Omonia |
| AS47200 | NIX.CZ z.s.p.o. NIXCZ-RS |
| AS49544 | i3D.net B.V i3Dnet |
| AS51184 | Fonira Telekom GmbH FONIRA |
| AS198150 | SIACOM JSC SIACOM-AS |
| AS202297 | Skylon Solutions Limited SKYLON |
| AS212483 | LEVEL EIGHTY-SIX COMMUNICATIONS LTD level86 |
| AS263444 | Open X Tecnologia Ltda AS263444 |
| AS264409 | Huge Solucoes Corporativas Ltda AS264409 |
Upstream graph
Upstreams and their upstreams, from BGP pathsNetwork health
Grade B · 85/100| pass | Prefixes covered by valid ROAs 3 of 3 announced prefixes are RPKI valid. |
25/25 |
| pass | No RPKI invalid announcements None of the announcements is RPKI invalid. |
10/10 |
| pass | Announces IPv6 1 IPv6 prefix. |
15/15 |
| pass | More than one upstream 3 upstreams seen in BGP. |
10/10 |
| pass | Working abuse contact hostmaster@comsource.cz is published. |
15/15 |
| fail | Publishes a geofeed No geofeed found. Without one, location databases have to guess. |
0/10 |
| pass | No prefixes smaller than /24 or /48 All prefixes are /24 (IPv4) or /48 (IPv6) or larger. |
10/10 |
| fail | Registry record maintained Last changed 2022-07-27. |
0/5 |
Routing changes
Last 30 days| 2026-10-05 16:39 UTC | New neighbour | AS5610 | downstream |
| 2026-10-05 16:39 UTC | Relationship changed | AS8218 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS6663 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS6204 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS47200 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS4455 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS44306 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS39120 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS264409 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS263444 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS22356 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS21215 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS1764 | upstream to peer |
| 2026-10-05 16:39 UTC | Relationship changed | AS14840 | upstream to peer |
WHOIS
aut-num: AS199803 as-name: ComSource org: ORG-CS265-RIPE admin-c: AK19798-RIPE tech-c: AK19798-RIPE status: ASSIGNED mnt-by: RIPE-NCC-END-MNT mnt-by: mnt-comsource created: 2014-01-21T11:22:52Z last-modified: 2022-07-27T10:45:44Z source: RIPE % 27 routing policy lines (import/export) not shown