Routing security
AS133450 CU-AS-AP - University Of Chittagong
Unclassified APNIC
Announcements
What this network originates
Every prefix observed with AS133450 as its origin, checked against RPKI and the IRR. Problems sort first.
| Prefix | RPKI | IRR | Vantage points |
|---|---|---|---|
| 103.94.128.0/24 | RPKI valid | IRR | 54 |
| 103.94.129.0/24 | RPKI valid | IRR | 54 |
| 103.94.130.0/24 | RPKI valid | IRR | 54 |
| 103.94.131.0/24 | RPKI valid | IRR | 54 |
RPKI · ROAs
Route origin authorisations
Signed statements by address holders that AS133450 may originate these prefixes, up to the maximum length shown.
| Prefix | Max length | Trust anchor |
|---|---|---|
| 103.94.128.0/22 | /22 | APNIC |
| 103.94.128.0/23 | /23 | APNIC |
| 103.94.128.0/24 | /24 | APNIC |
| 103.94.129.0/24 | /24 | APNIC |
| 103.94.130.0/23 | /23 | APNIC |
| 103.94.130.0/24 | /24 | APNIC |
| 103.94.131.0/24 | /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 |
|---|---|---|---|
| AS63961 | Bangladesh Research and Education Network (BdREN) | 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 AS133450 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 |
|---|---|---|---|---|---|
| 103.94.128.0/22 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Not announced |
| 103.94.128.0/23 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Not announced |
| 103.94.130.0/23 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Not announced |
| 103.229.97.0/24 | RADB | Rack Central Proxy Route | MAINT-AS45177 | 2023-11-13 | Not announced |
| 2401:3fc0::/32 | APNIC | IPv6 Prefix for University of Chittagong | MAINT-CU-BD | 2017-06-08 | Not announced |
| 103.94.128.0/24 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Announced |
| 103.94.129.0/24 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Announced |
| 103.94.130.0/24 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Announced |
| 103.94.131.0/24 | APNIC | University Of Chittagong | MAINT-CU-BD | 2017-06-08 | Announced |
IRR
AS-sets
The as-set is what upstreams expand to build this network's customer filter. Sets that list AS133450 directly show who expects to carry it.
| AS-set | Where | Relationship |
|---|---|---|
AS-AAMRA-ATL-BD | APNIC | Lists AS133450 as a direct member |
AS-BDREN-UGC-BD | APNIC | Lists AS133450 as a direct member |
AS-CTBC-TOOLS-8 | RADB | Lists AS133450 as a direct member |
AS-KDDCUSTOMER2 | RADB | Lists AS133450 as a direct member |
AS-LAYER2-TRANSIT | RADB | Lists AS133450 as a direct member |
AS-RETN-ACTUAL-V4 | RIPE | Lists AS133450 as a direct member |
AS-SET-BSCCL | APNIC | Lists AS133450 as a direct member |
AS132608:AS-MANGOISP-BD | APNIC | Lists AS133450 as a direct member |
AS149765:AS-CORONETIIG-BD | APNIC | Lists AS133450 as a direct member |
AS150748:AS-GMAX | APNIC | Lists AS133450 as a direct member |
AS17494:AS-CUSTOMERS | APNIC | Lists AS133450 as a direct member |
AS20965:AS-FROM-TEIN-TO-GEANT | RIPE | Lists AS133450 as a direct member |
AS63830:AS-AKL-IX | RADB | Lists AS133450 as a direct member |
RPKI from rpki-client, validated 2026-11-09 13:06 UTC. IRR from ARIN, RADB, RIPE, ALTDB, APNIC, LACNIC, NTTCOM, AFRINIC, collected 2026-11-09. Cross-check on bgp.he.net.