Routing security
AS44975 BLIZCO-AS Martyukhin Alexandr Viktorovich
Unclassified RIPE
Announcements
What this network originates
Every prefix observed with AS44975 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 2a0e:1106:4001::/48 | RPKI valid | IRR | 32 |
| 31.148.1.0/24 | RPKI valid | IRR | 57 |
| 31.148.174.0/24 | RPKI valid | IRR | 57 |
| 31.148.204.0/24 | RPKI valid | IRR | 57 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS44975 may originate these prefixes, up to the maximum length shown.
| Prefix | Max length | Trust anchor |
|---|---|---|
| 31.148.1.0/24 | /24 | RIPENCC |
| 31.148.174.0/24 | /24 | RIPENCC |
| 31.148.204.0/24 | /24 | RIPENCC |
| 2a0e:1106:4000::/44 | /48 | RIPENCC |
ROA-based and RPKI-valid-only prefix lists for routers are on asn.ipinfo.app.
RPKI · ASPA
Declared transit providers
This network has signed an ASPA record naming its transit providers. Each is compared against the upstreams observed in routing paths.
| AS | Network | ASPA | Routing paths |
|---|---|---|---|
| AS8641 | LLC "Nauka-Svyaz" | Declared | Observed |
| AS50509 | Transroute Telecom LTD | Declared | not observed |
| AS51685 | Mikron-Media LLC | Declared | Observed |
| AS24482 | SG.GS | not declared | Observed |
| AS37721 | Virtual Technologies & Solutions | not declared | Observed |
An observed upstream that is not declared is not necessarily a leak: our upstream inference cannot tell a transit provider from a peer seen in the same position. A declared provider that is never observed is usually a backup path.
IRR
Registered route objects
Route objects naming AS44975 as origin, across RADb, the RIR registries, ALTDB and NTTCOM. Objects that are registered but not announced come first: a stale object lets anyone who can spoof this origin through an IRR-built filter.
| Prefix | Source | Description | Maintainer | Changed | Routing |
|---|---|---|---|---|---|
| 91.232.39.0/24 | RIPE | — | BLIZCO-MNT | 2026-04-23 | Not announced |
| 31.148.1.0/24 | RIPE | — | RIPE-DB-MNT | 2026-04-09 | Announced |
| 31.148.174.0/24 | RIPE | — | RIPE-DB-MNT | 2026-05-22 | Announced |
| 31.148.204.0/24 | RIPE | — | RIPE-DB-MNT | 2026-05-22 | Announced |
| 2a0e:1106:4001::/48 | RIPE | IPv6 route for BLIZCO | BLIZCO-MNT | 2026-03-02 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS44975 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-BLIZCO | RIPE | Lists AS44975 as a direct member |
AS-HURRICANE | RADB | Lists AS44975 as a direct member |
AS-HURRICANEV6 | RADB | Lists AS44975 as a direct member |
AS-PITER-IX-MSK | RIPE | Lists AS44975 as a direct member |
AS-RETN-ACTUAL-V4 | RIPE | Lists AS44975 as a direct member |
AS-RETN-ACTUAL-V6 | RIPE | Lists AS44975 as a direct member |
AS41194:AS-RASCOM | RIPE | Lists AS44975 as a direct member |
RPKI from rpki-client, validated 2026-11-06 13:02 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-11-06. Cross-check on bgp.he.net.