Blackfiber

Blackfiber_Communications_Corporation
Data as of 2026-09-06
Registry
This organisation
Netblocks14 · 2,052 IPv4 addresses
IPv6 2 prefixes (largest 2001:478:172::192/128)
Registered in Philippines (10) · Singapore (1) · United States (1)
Record ID236794061
RegistryAPNIC
Customerssee who runs inside this network →
Evidence & provenance ?
Attribution Registry record
Shared handles clustered on 5 shared RIR contact/maintainer handles
Registry names 2 distinct registrant names across these blocks
full provenance (JSON) → · how attribution works · report an issue

IP Ranges (14)

⬇ export CSV
CIDR Org name Registry Status Confidence
27.111.231.80/32 Blackfiber PEERINGDB ASSIGNED ● high
61.245.0.125/32 Blackfiber PEERINGDB ASSIGNED ● high
103.104.19.152/32 Blackfiber PEERINGDB ASSIGNED ● high
198.32.172.192/32 Blackfiber PEERINGDB ASSIGNED ● high
2001:478:172::192/128 Blackfiber PEERINGDB ASSIGNED ● high
2001:ded:4000::5:9322:1/128 Blackfiber PEERINGDB ASSIGNED ● high
43.247.16.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
43.247.17.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
43.247.18.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
43.247.19.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
103.225.36.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
103.225.37.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
103.225.38.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium
103.225.39.0/24 Blackfiber_Communications_Corporation APNIC ALLOCATED NON-PORTABLE ● medium

IPv6 ranges (2)

CIDR
2001:478:172::192/128
2001:ded:4000::5:9322:1/128

Footprint over time

11 weekly snapshots · JSON
14 +2 netblocks since 2026-07-05
2026-07-05 peak 14 2026-09-06

Network trust

what's this?
RPKI hygiene: B how networks compare →
85.7% of checked blocks have valid RPKI ROA coverage (12 of 14)
No discrepancies found among checked blocks.

NIC Handles

AB1404-AP AS59322 BFSC1-AP BFSC1-AP MAINT-BFSC-PH