Advanced Science and Technology Institute
Cluster stats
| Netblocks | 4 |
| All fragments | 980 blocks across 205 clusters |
| Cluster ID | 191840833 |
| Registry | APNIC |
| Customers | find customers using this network → |
Evidence & provenance ?
| Attribution | unresolved |
| Shared handles | clustered on 8 shared RIR contact/maintainer handles |
| Registry names | 1 distinct registrant name across these blocks |
| full provenance (JSON) → · how attribution works | |
IP Ranges (4)
⬇ export CSV| CIDR | Org name | Registry | Status | Confidence |
|---|---|---|---|---|
| 103.80.140.0/22 | Advanced Science and Technology Institute | APNIC | ALLOCATED PORTABLE | ● medium |
| 202.90.128.0/19 | Advanced Science and Technology Institute | APNIC | ALLOCATED PORTABLE | ● medium |
| 203.211.56.0/22 | Advanced Science and Technology Institute | APNIC | ALLOCATED PORTABLE | ● medium |
| 2001:d18::/32 | Advanced Science and Technology Institute | APNIC | ALLOCATED PORTABLE | ● medium |
Network trust
what's this?
RPKI hygiene: A
how networks compare →
100.0%
of checked blocks have valid RPKI ROA coverage
(4 of 4)
Possible discrepancies (4)
These blocks are registered to Advanced Science and Technology Institute but cryptographically authorized for a different, unrelated network (1 distinct holder) — often M&A history, multi-homing, or outsourced/managed hosting, occasionally worth a closer look.
| 2001:d18::/32 /32 | authorized for AS9821 — University of the Philippines Visayas, Iloilo Campus |
| 202.90.128.0/19 /19 | authorized for AS9821 — University of the Philippines Visayas, Iloilo Campus |
| 103.80.140.0/22 /22 | authorized for AS9821 — University of the Philippines Visayas, Iloilo Campus |
| 203.211.56.0/22 /22 | authorized for AS9821 — University of the Philippines Visayas, Iloilo Campus |
NIC Handles
AA2050-AP
APNIC-HM
BBL1-PH
BBL1-PH
DFV1-AP
DFV1-AP
ORG-ASAT1-AP
PO5-AP