Routing security
AS142571 CBPB-AS-AP - Citizens Bank PLC, Bangladesh
Unclassified APNIC
Announcements
What this network originates
Every prefix observed with AS142571 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 103.169.181.0/24 | RPKI valid | IRR | 51 |
| 103.172.190.0/24 | RPKI valid | IRR | 51 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS142571 may originate these prefixes, up to the maximum length shown.
| Prefix | Max length | Trust anchor |
|---|---|---|
| 103.169.181.0/24 | /24 | APNIC |
| 103.172.190.0/24 | /24 | APNIC |
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 |
|---|---|---|---|
| AS23688 | Link3 Technologies Ltd. | Declared | Observed |
| AS38017 | Route object of Square InformatiX Ltd | 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 AS142571 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 |
|---|---|---|---|---|---|
| 103.169.181.0/24 | APNIC | Citizens Bank PLC, Bangladesh | MAINT-CBPB-BD | 2021-08-09 | Announced |
| 103.172.190.0/24 | APNIC | Citizens Bank PLC, Bangladesh | MAINT-CBPB-BD | 2021-09-05 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS142571 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-58682 | APNIC | Lists AS142571 as a direct member |
AS-58715 | APNIC | Lists AS142571 as a direct member |
AS-63529-AS-IMPORT-AS6939 | APNIC | Lists AS142571 as a direct member |
AS-DTLIIG-139901 | APNIC | Lists AS142571 as a direct member |
AS-FGL | APNIC | Lists AS142571 as a direct member |
AS-KDDCUSTOMER2 | RADB | Lists AS142571 as a direct member |
AS-LINK3-BD | APNIC | Lists AS142571 as a direct member |
AS-PACENET | APNIC | Lists AS142571 as a direct member |
AS-RETN-ACTUAL-V4 | RIPE | Lists AS142571 as a direct member |
AS-SET-BSCCL | APNIC | Lists AS142571 as a direct member |
AS-SET-SIL | APNIC | Lists AS142571 as a direct member |
AS-TRANSROUTE-SPEC | RIPE | Lists AS142571 as a direct member |
AS132884:AS-CUSTOMERS | APNIC | Lists AS142571 as a direct member |
AS137967:AS-CUSTOMERS | APNIC | Lists AS142571 as a direct member |
AS149765:AS-CORONETIIG-BD | APNIC | Lists AS142571 as a direct member |
AS150748:AS-GMAX | APNIC | Lists AS142571 as a direct member |
AS17494:AS-CUSTOMERS | APNIC | Lists AS142571 as a direct member |
AS58717:AS-ISP-BD | APNIC | Lists AS142571 as a direct member |
AS58717:AS-SUMMITCOMMUNICATIONS-BD | APNIC | Lists AS142571 as a direct member |
RPKI from rpki-client, validated 2026-11-11 13:05 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-11-11. Cross-check on bgp.he.net.